52results about How to "Implement coding" patented technology

The multipoint dynamic flexibility / displacement measurement device includes target set on the measured object, photoelectronic camera system and computer. The target includes two light sources in regular shape and separated by certain distance. The present invention also provides the self calibrating and self coding imaging process for the multipoint dynamic flexibility / displacement measurement with the said device. The present invention has the advantages of self calibration of imaging magnification, self coding of the target and simple dynamic measurement.

The invention relates to a method for preparing inorganic / organic composite microspheres. The method comprises the following steps of: dispersing inorganic nanoparticles and polymer microspheres in a sweller and a dispersing agent; swelling at the temperature of between 40 and 60 DEG C for 30 to 120 minutes; heating a reaction system to the temperature of between 140 and 240 DEG C, and keeping the temperature until the sweller does not reflux; and after the sweller is volatilized completely, cooling the reaction system quickly, centrifuging, washing and drying to obtain the inorganic / organic composite microspheres. By the method, the problem that the nanoparticles leak from the microspheres is solved to a great extent, so that the composite microspheres have high stability. Simultaneously, the effective utilization rate of the nanoparticles is improved; the capacity of the nanoparticles in the microspheres is increased; the preparation process is simple; and the repeatability is high. The nanoparticles are distributed uniformly; moreover, the signal strength of coding can be better controlled by controlling the quantity of the nanoparticles entering the microspheres.

The invention introduces a new concept for hierarchical coding of HOA content. A method for encoding a hierarchical audio bitstream comprises rendering a HOA input signal to surround sound, encoding the surround sound for a base layer output signal, decoding the encoded surround sound to obtain a reconstructed surround sound signal, performing dimensionality reduction on the received HOA input signal, calculating a residual between the dimensionality-reduced HOA signal and the reconstructed surround sound signal, encoding the residual signal,and multiplexing structural information about the HOA input signal, the encoded residuals and the encoded surround sound into a bitstream to obtain a hierarchical audio bitstream.

The invention discloses an ultra-wideband dual-polarization chipless RFID label. The ultra-wideband dual-polarization chipless RFID label comprises an antenna radiation unit and a medium substrate. The antenna radiation unit is arranged on the upper surface of the medium substrate. The antenna radiation unit is formed by a square paster. The square paster is provided with four open groove structures including first, second, third and fourth open groove structures. The first and third open groove structures are arranged on a main diagonal of the square paster and are centrally symmetric with respect to the square paster. The second and fourth open groove structures are arranged on an auxiliary diagonal of the square paster and are centrally symmetric with respect to the square paster. The label antenna has the advantages that miniaturization is realized, the capacity is large, the polarization isolation is high, the bandwidth efficiency is high, and printing is easy.

The invention relates to a multi-specification Reed-Solomon (RS) encoding and decoding method, a device and a system. By arranging a register, a multiplier, a syndrome generating unit and other functional modules needed by realizing encoding and decoding of maximum check code element RS codes, and according to the RS code check code element specification adopted in the processes of encoding and decoding, the functional devices of the corresponding number are controlled and started, thereby realizing the encoding or decoding process of multi-specification RS codes in a hardware structure, and greatly improving the resource utilization rate in the process of realizing encoding of the multi-specification RS codes.

The related prediction method for motion vector in video coding comprises: obtaining every macro-block motion vector in reference frame and thereby the motion trajectory of every macro-block from reference to current frame; with linear averaging algorithm and linear approximation algorithm, calculating in turns the match block in the reference frame, and obtaining the motion vector for every macro-block. This invention is high efficient and accurate.

The embodiment of the invention discloses a polarization code encoding and decoding method and apparatus. The method comprises the following steps: generating a first sequence according to attribute information of an information sequence to be encoded and a preset first sequence generation algorithm; generating a second sequence according to the attribute information of the information sequence tobe encoded and a preset second sequence generation algorithm; and combining the information sequence, the first sequence and the second sequence, and performing polarization code encoding on the combined sequence. In the polarization code encoding and decoding method and apparatus disclosed by the embodiment of the invention, the first sequence and the second sequence are generated according to the attribute information of the information sequence to be encoded, the preset first sequence generation algorithm and the preset second sequence generation algorithm, therefore the polarization codeencoding of the information sequence is achieved.

The invention discloses a wireless internet access card, and relates to wireless communication technology. The wireless internet access card provided by the embodiment of the invention comprises a base band, a wireless internet access control unit arranged in the base band and used for modulating the demodulation, a radio frequency nest plate connected with the wireless internet access control unit and used for frequency band conversion, an antenna connected with the radio frequency nest plate and used for sending and receiving a wireless signal, a USB interface used for connecting a PC, a storage unit, a power amplifier unit, a code unit, a microphone interface, a recording control unit, and a recording unit. Therefore, the functions of amplifying audio signals, coding audio files, and generating, storing and managing the audio files are realized in the wireless internet access card, the wireless internet access card can record sound, processing resources in the wireless internet access card are fully utilized, and the requirement that a user performs sound recording at any time is met while the wireless internet access card is used to surf the internet.

The invention discloses a zooming panoramic camera. The zooming panoramic camera comprises a camera which has servo response and is integrally arranged on a holder mechanism. The camera comprises a panoramic image collection module, a zooming image collection module, a coding module, a storage module, a network transmission module, a control module and a panoramic image correction module. According to the zooming panoramic camera, miniaturization and integration are realized; panoramic images and zooming images can be collected in real time; through adoption of a dual-fisheye lens technique, the panoramic images can be collected only by use of one image sensor and one image coding module; the built-in coding module of the zooming panoramic camera can code the panoramic images and the zooming images; the zooming panoramic camera has a panoramic video attitude correction function, and the panoramic images will not change along with the change of the attitudes of a camera chip; through adoption of the panoramic image correction module, the position control precision of the camera can be improved; moreover, the video data streams of multiple code streams can be provided, thereby facilitating selection of a user; and the user can watch and store the video fluently.

The invention relates to a subscriber station (20; 30; 200; 300) for a bus system (1) and a method for time-optimized data transmission in a bus system (1; 2). The subscriber station (20; 30; 200; 300) comprises coding means (12; 22; 32; 120; 220; 320) for encoding and / or decoding bits of a message (N1; N2; N3; (10, 20, 30; 100, 200, 300) to a bus line (3) of the at least one bus station (3) of the bus system (1); symmetrical information (N1; N2; N3; N4; N5; N6) enables at least two bits as a bit combination (N1; N2; N3; N4; N5; N6) to a predetermined voltage level for a bit time (TB), and / or wherein said encoding means (12; 22; 32; 120; To a predetermined voltage level for a bit time (TB) at least two bits as a bit combination.

The invention discloses a multi-space fusion man-machine skill migration and parameter compensation method and system, and the method comprises the steps: obtaining a multi-space skill parameter through human demonstration, decomposing a stiffness multi-space matrix into a feature value matrix and a feature vector matrix, converting a Riemannian space matrix into a quaternion, and representing the quaternion in an axial angle form; a multi-space fusion dynamic system, a regular system module and a linear weighted regression updating module are used for achieving skill parameter migration, the skill parameters are migrated to a robot humanoid variable impedance controller, and the robot reproduction effect obtained by comparing the corresponding skill parameters with the effect demonstrated by a demonstrator under the skill parameters. And importing the difference value under multiple demonstrations and the actual operation effect of the robot into a probability model for training, establishing a rule model between the actual value and the difference value, and performing skill parameter compensation according to the difference between predicted values obtained by robot end feedback and rule model regression in an actual scene. According to the invention, multi-space man-machine skill transmission can be realized, and an accurate reproduction effect is ensured.

The invention discloses an intelligent industrial robot control system which comprises an upper computer monitoring system, a demonstrator, a robot controller, a servo driver, a machine vision unit and an I / O expansion board. The upper computer monitoring system is composed of an industrial PC and cross-platform monitoring software with built-in QT development. An ARM chip is arranged in the demonstrator, and an embedded system is carried in the demonstrator. An ARM chip and an FPGA chip are arranged in the robot controller, and the robot controller is provided with a communication interface,an I / O interface and an intelligent camera interface. An ARM chip is arranged in the servo driver and is driven by pulse signals, and signals are fed back by an encoder to form closed-loop control. The machine vision unit can support a 2D / 3D intelligent industrial camera and is connected with the robot control system through the intelligent camera interface. An ARM chip is arranged in the I / O expansion board, and multiple paths of digital and analog input and output are supported. The intelligent industrial robot control system has the beneficial effects that the system adopts the ARM chips toform a modular assembly, the 2D / 3D industrial camera is supported, the cross-platform monitoring software is carried in the system, and intelligentization of the industrial robot control system is achieved.

The invention discloses a nuclear leak detector comprising a lens and a body. A light reflector, an encoding template, a vacuum chamber, an optical fiber cone, a second image sensor, a lens group, a first image sensor, a power supply module, an industrial control module, a data acquisition module and a display screen are arranged in the body successively. The lens group is located above the lightreflector. The first image sensor is located above the lens group. The vacuum chamber includes a metal housing disposed between the encoding template and the optical fiber cone, a titanium window disposed on a side of the metal housing and close to the encoding template, a fluorescent screen disposed on the other side of the metal housing and close to the optical fiber cone, and a photocathode anda micro-channel plate that are both disposed in the metal housing and distributed in the direction from the titanium window toward the fluorescent screen. The nuclear leak detector detects nuclear pollution sources efficiently by a new detection method and improves the accuracy of the location display of radioactive sources so as to meet actual nuclear pollution treatment requirements.

The invention relates to a real-time voice storage system and method based on a digital signal processor (DSP) and a universal serial bus (USB). The real-time voice storage system comprises a voice signal collection module, a voice signal processing module and a voice signal storage module and is characterized in that the voice signal collection module comprises a preprocessing circuit and a voice coding and decoding module, the voice signal processing module comprises a DSP and a storage, and the voice signal storage module comprises a USB interface chip and a USB interface circuit. The real-time voice storage method is characterized in that more than 9 voice data buffer areas are adopted to store collected voice data, USB flash disk data buffer areas with the number at least two times that of the voice data buffer areas are adopted, and data stored in the voice data buffer areas are converted to be USB flash disk data. The real-time voice storage system has the advantages of being fast in storage, low in power consumption, small in volume, convenient to use and the like. The real-time voice storage method has the advantage of being high-speed, real-time and continuous in voice collection and storage, can achieve uninterrupted voice data collection without losing voice sampling points, and ensures voice recording integrity.

The invention discloses a processing system and method for mixed entanglement of continuous variable polarization and an orbital angular momentum. The processing system comprises an HG01 mode entanglement unit used for generating and outputting an EPR entangled beam I and an EPR entangled beam II; a polarization entanglement unit for receiving the input EPR entangled beam I, constructing the polarization degree of freedom on the EPR entangled beam I to obtain a beam III and outputting the beam III; an orbital angular momentum entanglement unit for receiving the input EPR entangled beam II, constructing the orbital angular momentum degree of freedom on the EPR entangled beam II, and obtaining a beam IV and outputting the beam IV; and a Stokes parameter measuring unit for measuring and verifying the beam III and the beam IV of the mixed entanglement of the continuous variable polarization and the orbital angular momentum. The processing system provided by the invention realizes the generation and verification of the mixed entanglement of the continuous variable polarization-orbital angular momentum.

The keyboard signal processing method includes the following steps: connecting the output of the keyboard signal circuit comprising resistors of different resistance to the input of oscillator or frequency divider; and depressing the key number switches for the oscillator or the frequency divider to output corresponding periodic signal. The present invention features that key assignment coding with signal period realized with serially connected resistors of the same resistance; key assignment coding realized with frequency divier and key number switches for selecting signal output of different period; low cost only one fifth of available keyboard interface IC and simple pulse width measurement and programming with microprocessor; and only one I / O port line for multiple-place key input.

The invention belongs to the technical field of knowledge graphs, and particularly relates to a representation learning method for a knowledge graph with a hierarchical relationship structure, which comprises the following steps: step 1, selecting a tree-shaped hierarchical relationship structure, and performing formalized description on the knowledge graph with hierarchical relationship structureinformation according to the structure; step 2, according to the content of the knowledge graph after formalization and the knowledge graph representation learning target considering the hierarchicalrelationship structure, projecting the relationship and the entity into a k-dimensional vector space, and constructing a TransHRS model to enable the model to meet the conditions of the hierarchicalrelationship structure knowledge graph; step 3, setting a loss function, and minimizing the value of the overall loss function of the model by training the TransHRS model; and step 4, iteratively updating an embedding result of the entities and the relationships in the knowledge graph. Compared with the prior art, the method has the advantages that the hierarchical relationship structure information is encoded, so that the prediction capability of the model is improved.

The invention discloses a power dividing principle-based radio frequency identification tag. The power dividing principle-based radio frequency identification tag comprises a dielectric substrate, a metal base structure on the back surface of the dielectric substrate, and a micro-strip radio frequency identification tag structure on the front surface of the dielectric substrate, wherein the micro-strip radio frequency identification tag structure is composed of two micro-strip transmission lines, two micro-strip short lines and a square ring-shaped metal micro-strip line for mainly achieving power dividing and combining functions; a first resonant structure unit, a second resonant structure unit, a third resonant structure unit and a fourth resonant structure unit which are printed onto the dielectric substrate are respectively provided with an open gap, and by controlling connection and closing of the four open gaps, a radio frequency identification tag function can be achieved. The power dividing principle-based radio frequency identification tag can be applied to various electronic instruments and communication systems and has the advantages of being simple and compact in structure, convenient to integrate, free from frequency shift and capable of easily achieving multi-bit coding by changing the number of power divisions.

The invention discloses a software slicing method based on a colored photocuring 3D printer. The method comprises the following steps: slicing a product three-dimensional model generated by software,and numbering each layer of slice after slicing; dividing each layer of image into different zones according to a rule, identifying each zone as a single color, and generating color and size data of each layer of slice according to the divided zones; and then combining slice numbers, color data and size data of each layer of slice to form a processing database, wherein the processing database comprises zone data of all slices, a storage format of any one zone in the processing database is YNXT, the Y represents numbers of the slices, N represents the quantity of the zones included in the Y layers of slices, X represents the number of a certain specific zone in the N zones of the Y layer of slices, and T represents the color of the Xth zone in the N zones of the Y layer of slices. Accordingto the software slicing method based on the colored photocuring 3D printer disclosed by the invention, the problem that colored products cannot be printed because an existing photocuring printer lacks colored slicing software is solved.

The present invention relates to an electronic control system for a motor vehicle, comprising a control device (01), an actuator (02), and at least one sensor (03, 04, 05). The control system according to the invention is characterized in that it has a sensor board (07) for reading the data detected by means of the sensor (03, 04, 05), wherein the sensor board (07) comprises a memory (08) for storing actuator-specific data and an interface (13) between the sensor board (07) and the control device (01) for transferring the data stored in the sensor board (07) to the control device (01). The present invention also relates to a method for operating this type of control system.

The invention discloses a selection method, a selection device and selection equipment for an ultra-high-definition video compression algorithm. The selection method comprises the following steps that: sending equipment acquires channel environment information of a channel; wherein the channel is used for transmitting an ultra-high-definition video; the sending device determines a target compression algorithm from a plurality of ultra-high-definition video compression algorithms according to the channel environment information so as to encode the ultra-high-definition video under the channel environment information; wherein the target compression algorithm comprises a medium compression coding algorithm or a light compression coding algorithm; and the sending device encodes the ultra-high-definition video according to the target compression algorithm to obtain code stream data. With the adoption of the method and the device, the ultrahigh-definition video can be coded by adaptively adopting different coding algorithms in different wireless channel environments, and the compressed ultrahigh-definition video data suitable for being transmitted by the current wireless channel can be obtained.

The invention belongs to the field of quantum information, and particularly relates to an optical Josephson junction structure based on a photon BEC. The optical Josephson junction structure comprises a composite resonant cavity, a single atom and an optical signal, wherein the composite resonant cavity is composed of a first resonant cavity, a second resonant cavity and a rectangular cut-off waveguide; the first resonant cavity and the second resonant cavity are of the same structure, and the two resonant cavities are connected through the rectangular cut-off waveguide to form an optical double-potential-well structure; and the single atom is arranged at the central position of the rectangular cut-off waveguide. The adopted optical double-potential-well structure has good stability, the interval between two lowest energy levels of the coded quantum bit and other photon energy levels is large, the coupling degree between photons and atoms is high, the quantum bit can be coded through an atom system and a photon system in a cavity, transmission with larger capacity and higher speed is achieved, and a new solution is provided for the realization of the quantum information technology.

The invention relates to the technical field of image coding, in particular to a jpeg image coding method and system based on RISC-V SOC, and the method comprises the following steps: coding a JPEG frame header, inputting image data, and converting the image data into a YUV format; the image is divided into n * n sub-blocks, the n * n sub-blocks are independently stored according to each component of Y, Cb and Cr, and n is a positive integer; performing DCT (Discrete Cosine Transform) and DQT (Discrete Quantitative Transform) quantization on Y, Cb and Cr components of the sub-blocks in sequence to obtain a DC coefficient and an AC coefficient; the quantized AC coefficient is subjected to run length coding, and the quantized DC coefficient is subjected to differential pulse modulation coding (DPCM); and performing Huffman entropy coding, and after data compression of each sub-block is completed, compiling an EOI file end to complete JPEG coding. According to the method, JPEG image coding is realized on the basis of the RISC-V SOC; the JPEG image coding is autonomous and controllable; and during SOC debugging, the readability of the isp output image is optimized.

The invention discloses an image encoding and decoding and network transmission method and device based on an FPGA. And the FPGA is used for configuring and controlling the JPEG2000 encoding and decoding chip, the network communication chip and the like under configuration instructions of the encoding end upper computer and the decoding end upper computer respectively. And the encoding end receives the video image and converts the video image into a digital format, and the JPEG2000 encoding chip encodes the acquired video image. Coded data output by the coding chip is buffered and then sent tothe network communication chip so as to generate a network data message and send the network data message to the Ethernet. And the decoding end receives video image data on the Ethernet by reading anetwork data message of the network communication chip. And the decoding end buffers the network message data, sends the buffered network message data to a JPEG2000 decoding chip for image decoding, and then restores and displays a video image. According to the invention, the function of each part is brought into full play, and the requirements of real-time performance of video image coding and decoding and network transmission are met.

The invention relates to an API (Application Programming Interface) packaging and calling method and system, and solves the problems that in the prior art, API original manual packaging and calling need to be manually introduced and depends on configuration. The method comprises the steps of reading a first interface configuration file of an API interface, and automatically obtaining an interface name, an interface request type, a sample request parameter and a sample return parameter of the API interface; adding a timeout and interception mode corresponding to the interface request type in a local configuration file into the first interface configuration file to generate a second interface configuration file; adding the API directory information in the configuration file into an API directory file; scanning and matching a calling mode, an interface name and an interface request type of a to-be-called API in the API directory file, calling the API according to the sample request parameter after the scanning information is successfully matched, matching a return parameter of the API with a sample return parameter; if the matching is successful, taking a second interface configuration file as a new configuration file, and ending packaging calling.

The invention relates to a programmable chipless electronic tag, which comprises a peripheral conductive region and a gap pattern located on the peripheral conductive region, wherein the peripheral conductive region is a metal conductive layer deposited on an insulating substrate; the gap pattern is composed of at least one strip-shaped window; and the strip-shaped window is filled with a phase change material capable of achieving resistance conversion. When an electrical signal is applied to the phase change material at the gap to cause a phase change, the material can be changed between a high-resistance state and a low-resistance state according to a Filament theory. Therefore, some gaps can be subjected to phase change through a programming method according to the coding requirements.Thus, the existence and disappearance of the gap can be freely controlled, so as to realize the programmable, reconstructed and infinite reuse of the electronic tag, which can greatly reduce the costto use under the premise of not increasing the difficulty of the process.

The invention discloses a rational number resonant multi-wavelength encoding method of dynamic Q-switching, which includes sequentially connected pump sources, frequency selectors, 1*(n+1) wavelength division multiplexers, parameter conversion media, 1*( n+1) output coupler, n adjustable delayers and n Q-switching devices form n-way feedback parametric oscillation cavity and encoder. In the present invention, under the condition of not changing the cavity length of the oscillator, the stable oscillation of the parametric oscillator can still be realized only by selecting the frequency of the pump light output by the pump source through the frequency selector. In addition, the feedback signal light is divided into n channels of feedback according to different wavelengths, so that n wavelengths oscillate in the oscillation cavity at the same time, thereby obtaining multi-wavelength output. A Q-switching device is added to each of the n channels of feedback in the oscillator cavity. By changing the loss and resonance threshold in each cavity, various modulation waveforms in the time domain are realized, and then the rational number resonance multi-wavelength encoding of dynamic Q-switching is realized.

The invention discloses a processing system and method for hybrid entanglement of continuous variable polarization and orbital angular momentum. The processing system includes: an HG01 mode entanglement unit for generating and outputting EPR entangled beam I and EPR entangled beam II; a polarization entanglement unit, It is used to receive the input EPR entangled beam Ⅰ, construct the polarization degree of freedom on the EPR entangled beam Ⅰ, obtain the beam Ⅲ and output it; the orbital angular momentum entanglement unit is used to receive the input EPR entangled beam Ⅱ, and construct it on the EPR entangled beam Ⅱ The orbital angular momentum degree of freedom is used to obtain and output beam IV; the Stokes parameter measurement unit is used to measure and verify the beam III and beam IV that are mixed and entangled with continuous variable polarization and orbital angular momentum. The invention realizes the generation and verification of the mixed entanglement of continuous variable polarization-orbital angular momentum.

The invention provides decoding, encoding, encoding and decoding methods, devices and equipment thereof. The decoding method comprises the following steps of if an inter-frame prediction filtering permission flag bit allows a current block to adopt inter-frame prediction filtering, and / or an enhanced inter-frame prediction filtering permission flag bit allows the current block to adopt enhanced inter-frame prediction filtering, and the current block meets an inter-frame prediction filtering condition, analyzing an inter-frame prediction filtering identifier of the current block from a coding bit stream of the current block, if the inter-frame prediction filtering identifier indicates that the filtering type of the current block is inter-frame prediction filtering, performing inter-frame prediction filtering processing on the current block to obtain a target prediction value of the current block, and if the inter-frame prediction filtering identifier indicates that the filtering type of the current block is enhanced inter-frame prediction filtering, performing enhanced inter-frame prediction filtering processing on the current block to obtain a target prediction value of the current block. Thus, the encoding performance can be improved.

The embodiment of the invention discloses a polarization code encoding and decoding method and apparatus. The method comprises the following steps: generating a first sequence according to attribute information of an information sequence to be encoded and a preset first sequence generation algorithm; generating a second sequence according to the attribute information of the information sequence tobe encoded and a preset second sequence generation algorithm; and combining the information sequence, the first sequence and the second sequence, and performing polarization code encoding on the combined sequence. In the polarization code encoding and decoding method and apparatus disclosed by the embodiment of the invention, the first sequence and the second sequence are generated according to the attribute information of the information sequence to be encoded, the preset first sequence generation algorithm and the preset second sequence generation algorithm, therefore the polarization codeencoding of the information sequence is achieved.