271 results about "Hardware complexity" patented technology

The embodiment of the invention discloses a battery equalization management method and device based on port multiplexing. The method comprises the following steps: calculating a state-of-charge value of each single battery according to a sampling value of an electrical basic physical quantity; calculating a difference value between the state-of-charge value of each single battery and an average state-of-charge value of the battery pack to which the single battery belongs; determining the single batteries of which the difference values exceed a preset equalization threshold value as unbalanced batteries; and formulating an equalization sequence of the unbalanced batteries, and conducting the selection switch and the multiplexing switch according to the equalization sequence, so that the unbalanced batteries are connected with a primary side port of the multi-port converter for energy adjustment. According to the embodiment of the invention, the hardware complexity and the system cost are reduced by greatly reducing the usage amount of switch components. Meanwhile, the framework also improves the equalization efficiency and flexibility of the retired battery pack.

The invention discloses a wavefront reconstruction method for improving the dynamic range of a Shack-Hartmann wavefront sensor. Belongs to the technical field of wavefront detection. According to the method, a new Shack-Hartmann wavefront detection method is needed, the effective dynamic range of a Shack-Hartmann sensor can be expanded on the premise that the hardware complexity is not remarkably increased, local mismatching accumulation can be avoided through a reasonable matching strategy, and the detection accuracy is improved. Therefore, high-precision and high-reliability wavefront reconstruction can be realized in a large-amplitude wavefront distortion scene. Comprising the following steps: S1, detecting by a Shack-Hartmann wavefront sensor to obtain a light spot distribution diagram H (x, y); s2, extracting a light spot centroid pixel-level position through a matched filtering algorithm; s3, calculating the sub-pixel-level position of the mass center of the light spot through Gaussian interpolation; s4, a mass center-subaperture matching relation is established through a Kuhn-Munkres algorithm; and S5, calculating the wavefront slope according to the corresponding relationship between the centroid and the sub-aperture, and then recovering the wavefront according to the wavefront slope.

The invention discloses an optical fiber vibration signal time identification and classification method, system and device based on a Mam-YOLOv10 neural network and a medium, and belongs to the technical field of optical fiber communication, and the method comprises the steps: obtaining OTDR signals of a plurality of targets based on an optical fiber vibration signal collection system, and carrying out the denoising of the OTDR signals; performing short-time Fourier transform on the de-noised OTDR signal to obtain a two-dimensional time-frequency diagram of the vibration signal; based on the two-dimensional time-frequency diagram, multi-scale features of the optical fiber vibration signals are extracted; and inputting the multi-scale features into a Mam-YOLOv10 neural network containing a Mama attention block to complete identification and classification of the optical fiber vibration signals. According to the method, the influence of interference fading on the pattern recognition accuracy is effectively reduced, meanwhile, the hardware complexity is reduced, the attention weight is automatically adjusted according to different fault scenes and data characteristics, and the accuracy of optical fiber fault recognition and classification is improved.

The invention discloses a chromatic aberration correction method, head-mounted display equipment and a computer readable storage medium, and the chromatic aberration correction method is applied to the head-mounted display equipment, and comprises the steps: inputting the sampling point information of each pixel in a to-be-displayed image into a pre-constructed target offset model, obtaining first position offset information of a to-be-corrected channel corresponding to each piece of pixel sampling point information; according to the first position offset information of the to-be-corrected channel corresponding to each pixel sampling point information, in combination with an interpolation method, performing interpolation to obtain second position offset information of the to-be-corrected channel corresponding to each pixel point on the to-be-displayed image; according to the second position offset information, an edge color-edge area of the screen is determined, brightness attenuation processing is conducted on the edge color-edge area, and the edge color-edge area refers to a color-edge area formed outside a calibrated target display area corresponding to the screen display frame. According to the method and the device, the transverse chromatic aberration can be corrected in real time with relatively low hardware complexity and operation load.

The invention relates to the technical field of communication technologies and navigation systems, and discloses a multi-channel narrowband data link comprehensive processing module, which comprises a radio frequency transceiver module which comprises a radio frequency transceiver and is used for converting a received radio frequency signal into a baseband signal and converting the baseband signal into a radio frequency signal; the analog channelization module is connected with the radio frequency receiving and transmitting module and used for receiving the baseband signals converted by the radio frequency receiving and transmitting module, carrying out preliminary channel division on the signals and dividing the signals into a plurality of frequency band signals; and the digital channelization processing module is connected with the analog channelization module and is used for carrying out digital processing on the signal after analog channelization. By adopting a zero intermediate frequency architecture, a multi-stage channelization design, cooperative work of the FPGA and the SOC, precise clock synchronization and an anti-interference technology, the multi-channel signal processing precision and the system stability are improved, and meanwhile, the power consumption and the hardware complexity are reduced.

The invention discloses a narrow pulse generation system and method of an FPGA integrated fiber laser, and belongs to the field of all-digital fiber laser control. The narrow pulse generation system comprises a multi-phase clock generation module, a dynamic delay chain module, a pulse width search module, a signal selection module, a logic operation module, a frequency control module, a self-calibration module and an LVDS driving module which are in synergistic effect. The multi-phase clock generation module is used for realizing rough delay adjustment of nanosecond stepping; the dynamic delay chain module is used for realizing fine delay adjustment of picosecond stepping; therefore, based on the FPGA integrated design, an external delay chip and a high-frequency peripheral circuit are not needed, the hardware complexity and cost are reduced, and the anti-interference capability is high; picosecond-level stepping pulse width adjustment is realized through a two-level structure of nanosecond-level coarse adjustment and picosecond-level fine adjustment, and the limitation of a traditional FPGA (Field Programmable Gate Array) integration scheme is broken through; time delay deviation caused by environment change and hardware drift is considered, temperature compensation and TDC calibration are carried out, and the stability of pulse width is ensured.

The invention discloses a cooperative control system for an input-series output-parallel dual-active-bridge inverter, and relates to the technical field of power electronic converter control, an input voltage equalizing control IVSC loop is set for m-1 DAB sub-modules, and input voltage equalization of the DAB sub-modules is realized by adjusting phase shift angles of the sub-modules; an output voltage control OVC loop is set for the output DC bus voltage of the whole ISOP-DAB system to stabilize the DC bus voltage, a PIR controller is adopted in the OVC loop, and the resonant frequency is set to be twice of the fundamental frequency of the AC side, so that selective high gain is provided at the position, the frequency doubling fluctuation of the DC bus voltage is inhibited, and the frequency doubling fluctuation of the DC bus voltage is inhibited. According to the method and the device, the regulation quantity of the IVSC loop and the regulation quantity of the OVC loop are superposed to carry out cooperative control, so that the effective suppression of the frequency doubling fluctuation of the DC bus voltage and the automatic equalization of the power of each module are accurately realized on the premise of not increasing the hardware complexity.

The invention discloses a novel photovoltaic optimizer based on PLC communication, which comprises a hardware module, a control module, a communication module and a service module, and is characterized in that the hardware module is used for constructing a system material basis and realizing electric energy calling, signal coupling and equipment protection, and the control module is used for realizing intelligent power regulation and communication control; the power generation efficiency is improved and the communication stability is guaranteed through a multi-modal algorithm, and the communication module is used for constructing a power line carrier communication system. A special PLC framework for a direct-current low-voltage environment is adopted, a communication frequency band and an impedance matching scheme can be designed according to photovoltaic direct-current side characteristics, technical field differentiation is formed from alternating-current power grid PLC patents, through dual-mode MPPT dynamic switching, the limitation of a single algorithm in a dynamic environment can be broken through through combination of local gradient prediction and a distributed collaborative algorithm, and the real-time performance of a photovoltaic power grid is improved. In cooperation with a passive impedance compensation technology, adaptive adjustment can be performed through the magnetic ring filter and the capacitor array, an additional power supply module is not needed, and the hardware complexity is reduced.

The invention discloses a carrier tracking method suitable for a multi-bit spread spectrum signal, and relates to the technical field of multi-bit spread spectrum, the carrier tracking method comprises the steps of coarse frequency offset correction, multi-bit spread spectrum, average phase estimation and delay phase correction.The carrier tracking method comprises the steps that firstly, a sliding DFT algorithm is adopted to estimate frequency offset, and a coarse frequency offset available correction signal is obtained; secondly, adaptively selecting the number of available windows according to historical data corresponding to the current signal-to-noise ratio; the method comprises the following steps: firstly obtaining a window intermediate point spread spectrum period, then extracting a carrier phase estimation value of the window intermediate point spread spectrum period, finally delaying a correlation value by the spread spectrum period to realize time sequence alignment and eliminate phase deviation, and finally obtaining information bits corresponding to each spread spectrum period by extracting and correcting a real part of the correlation value, matching a local sequence number and mapping. According to the method, the phase estimation precision under the low signal-to-noise ratio can be improved, parameter self-adaption to high and low dynamic scenes of a satellite is realized, the coherent judgment performance is improved, and the hardware complexity is reduced.

The invention discloses a lightweight self-calibration time synchronization method for a LoRa sensor network, and belongs to the technical field of wireless communication in the Internet of Things (IoT). According to the method, a time synchronization beacon is broadcasted through a gateway TDMA time slice, and low communication overhead, low hardware complexity and high-precision synchronization are realized in combination with a channel activity detection (CAD) technology of a terminal and a dynamic calibration strategy. The method comprises the following core steps: synchronizing TDMA periodic broadcast time of a gateway, and configuring the number of lead codes; a terminal detects the active state of a channel through CAD, a progressive calibration strategy is adopted, a hardware RTC clock compensation value is dynamically adjusted, and steady-state oscillation caused by fixed calibration is avoided. The method is suitable for industrial monitoring, smart cities and other low-power-consumption scenes, and solves the problems of dependence on high-precision hardware and high communication overhead in the prior art.

The invention provides a terahertz antenna structure and precoding method based on a mixed single-layer and double-layer delay line, and the method comprises the steps: firstly, analyzing the relation between the position of an antenna and the delay range of a delay line based on a single-layer delay line structure, and designing a brand new delay line deployment scheme; secondly, designing a mixed single-layer and double-layer delay line structure based on a brand new delay line deployment scheme, namely, adopting a single-layer delay line structure in the middle part of an antenna needing to provide small time delay, and adopting a double-layer delay line structure at two end parts needing to provide large time delay; then calculating the maximum time delay of the mixed single-layer and double-layer delay line structure, and quantifying the hardware complexity of the mixed single-layer and double-layer delay line structure based on the maximum time delay; and finally, designing a hybrid analog digital pre-coding scheme based on the hybrid single-layer and double-layer delay line structure. According to the invention, the hardware complexity and power consumption of the terahertz antenna structure are effectively reduced, and high spectrum efficiency is maintained.

The invention provides a cluster robot triangular lattice formation control method based on extremely simple local sensing and a cluster aggregation algorithm. By simplifying a sensing and decision-making mechanism, the method can significantly improve the self-organization capability, adaptability and low-cost deployment capability of the cluster robot, and is suitable for large-scale deployment scenes such as environment monitoring, post-disaster rescue, automatic patrol and the like. Specifically, the robot acquires position and state information of other robots in a neighborhood by using a local sensing sensor, forms a uniform equilateral triangle lattice formation through self-organization position adjustment, and keeps formation stability by using a simple interaction rule. After the tasks are completed, the robot achieves self-organizing aggregation through a cluster aggregation algorithm, and tight recovery or subsequent task allocation can be completed without global information or complex communication. According to the method, the hardware complexity and the communication requirement of the robot can be reduced, the method is flexibly adapted to a dynamic complex environment, and the method has good performance and wide applicability.

The invention relates to the technical field of communication, particularly discloses a phased array transmitting and receiving circuit and a transmitting control method, and brings double advantages of system structure simplification and performance improvement through highly integrated design of three core links of baseband, frequency conversion and beam control. In the aspect of the structure, the physical size of the circuit is obviously reduced, and the hardware complexity and the manufacturing cost are reduced. In addition, in terms of performance, signal loss and delay are effectively suppressed by shortening an internal signal transmission path. Furthermore, the same signal processing unit uniformly outputs the baseband signal and the beam control signal, so that accurate and low-delay synchronization between data processing and beam pointing adjustment is realized, and the inherent time sequence error of a discrete scheme is avoided.

The invention relates to the technical field of sound source localization, and provides a sound source localization method and system based on fusion confidence. The method comprises the following steps: when a preset wake-up word is detected, starting sound source positioning processing, calculating a horizontal azimuth angle according to a detected current voice signal, and determining a sound source positioning area; calculating a matched existing user voiceprint, and confirming a current user corresponding to the current voice signal; calculating a user preference fusion coefficient corresponding to the current voice signal, calculating a fusion confidence coefficient of the current voice signal, dynamically adjusting a scanning range of a holder camera, capturing an image frame of a current user at a fixed interval in a scanning process, executing face detection, obtaining a to-be-processed face image, performing face feature extraction, and obtaining a to-be-processed face image; and carrying out visual identity collaborative confirmation, stopping rotation of the holder camera when an identity consistency condition is satisfied, and locking the current direction as a sound source positioning position. According to the invention, the hardware complexity is reduced, and the positioning precision is effectively improved.

The invention discloses an RTSP video stream AI processing method and system based on a tsn network, which realize end-to-end deterministic transmission and processing, guarantee low-delay and low-jitter transmission of a video stream from a source to an AI unit through a TSN, meet the industrial-grade real-time requirement and perform efficient edge AI processing. The problem that a traditional CPU is low in efficiency or a GPU is high in power consumption is solved, real-time analysis of the high energy efficiency ratio and high system integration are achieved, network transmission, video decoding, AI reasoning and result visualization are integrated into a single embedded platform, and hardware complexity and cost are reduced.

The invention relates to the technical field of steel wire rope state detection, in particular to a steel wire rope diameter measuring method and system based on event compensation correction. According to the technical scheme, the system comprises an imaging module, a boundary initial extraction module, a dynamic motion estimation module, a dynamic correction compensation module and a diameter calculation module. The imaging module comprises a traditional camera, an event camera, an optical component, a synchronous triggering device and a spectroscope. The traditional camera is used for collecting frame images of the steel wire rope. According to the method, on the basis of complementary advantages of an event camera and a traditional camera, systematic measurement deviation under the dynamic working condition is solved from the mechanism through an event-driven dynamic geometric compensation model, and quasi-static imaging dependence is broken through. The method does not need extra constraint or increase of frame rate, control cost and hardware complexity, avoids the problems of reduction of signal-to-noise ratio and the like, realizes high-precision stable measurement under high-speed and vibration working conditions, adapts to online monitoring of multiple industrial scenes, and is remarkable in practicability and application value.

The invention relates to the technical field of signal processing, and discloses a velocity vector sensing method and device, equipment, a storage medium and a product, and the method comprises the steps: carrying out the down-conversion and matched filtering of a pilot signal transmitted by a user side, obtaining a target discrete signal sequence, carrying out the fast Fourier transform of the target discrete signal sequence, and obtaining a target discrete signal sequence; and determining a signal frequency sequence based on a discrete Fourier transform result, determining a frequency increase rate and a Doppler offset according to the signal frequency sequence, obtaining a signal propagation delay according to the discrete Fourier transform result, and further determining a velocity vector sensing result of the user side. According to the invention, hardware complexity and power consumption are reduced through down-conversion and matched filtering processing, and the signal-to-noise ratio is improved; according to the method, fast Fourier transform and inverse fast Fourier transform are combined, a signal frequency sequence, signal propagation time delay, frequency increase rate and Doppler offset are extracted, the velocity vector of a user side is sensed comprehensively, and the limitation that only part of parameters can be sensed in the prior art is overcome.

The invention provides an interleaving method in channel coding and a communication device thereof. The degree of a variable node is considered when a to-be-interleaved code word sequence is interleaved. Based on the conception of interleaving according to degree, the energy levels of bits in a code word sequence obtained after interleaving and bit positions contained in a QAM symbol meet the condition that a column with a large column weight corresponds to the bit position of a low energy level of the QAM symbol, and a column with a small column weight corresponds to the bit position of a high energy level of the QAM symbol. And the interleaving complexity can be further simplified on the basis. According to the interleaving method, the hardware complexity of interleaving can be reduced, and meanwhile, the interleaving performance superior to that of row-column interleaving can be obtained.

The present disclosure relates to an integrated circuit for calibration of an offset voltage mismatch between comparators in an analog-to-digital converter and a method. The integrated circuit comprises a successive-approximation analog-to-digital converter comprising N+1 comparators, and N calibration circuits. The input end of any calibration circuit is connected to the output end of the successive-approximation analog-to-digital converter, and the output end of any calibration circuit is connected to the input end of a different comparator. The successive-approximation analog-to-digital converter is used for converting an input signal into a multi-bit digital code. Each calibration circuit is used for determining mismatch information on the basis of the multi-bit digital code, wherein the mismatch information is used for correcting an offset voltage of the comparator connected to the calibration circuit. According to embodiments of the present disclosure, calibration circuits are used to increase the conversion rate and improve the quantization precision of an analog-to-digital converter, and reduce hardware complexity and non-ideal effects.

The invention provides a master-slave device write operation communication method and communication system, and the method comprises the steps: a master device sends a shared address corresponding to a current write operation, so that a slave device confirms whether the current write operation is matched or not; and the master device sends a write operation command, the identifier set, the write address and the write data in sequence, so that the target slave devices whose own identifiers belong to the identifier set obtain the target data according to the identifier arrangement sequence in the identifier set and the target data length of each target slave device, and data write is completed. A plurality of slave devices share one address and are distinguished in combination with identifiers, so that address resource waste is avoided, and the upper limit of the number of deployable slave devices is improved. In the single I2C transaction, based on the identifier arrangement sequence and the target data length, write data partitioning processing is realized, the occupation and delay of a bus are reduced, and the communication efficiency is improved. The participation sequence and any combination of the slave devices can be dynamically specified, additional mechanisms such as mapping tables are not needed, and the hardware complexity and power consumption of the slave devices are prevented from being increased.

The invention provides a single-bit digital beam forming method and device, a terminal and a medium, and relates to the technical field of radar detection and wireless communication, and the method comprises the steps: constructing a target single-bit low-rank matrix recovery model of a uniform linear array comprising a plurality of sensors, and an optimization problem of the target single-bit low-rank matrix recovery model, and converting the target single-bit low-rank matrix recovery model into a processable problem, solving and determining a low-rank matrix by using a near-end block coordinate descent algorithm and a gradient descent algorithm, calculating an estimated covariance matrix of a target and an interference signal based on the matrix, performing eigendecomposition to calculate an interference subspace, and modeling a single-bit digital beam forming problem according to a base vector of the interference subspace to obtain a single-bit digital beam forming matrix. And calculating a closed-form solution based on the principle that the optimal solution is located in the orthogonal complement space of the interference subspace. According to the method, the resolution requirement of the analog-to-digital converter can be reduced by fully utilizing the single-bit quantization characteristic, and the beamforming performance of single-bit digital beamforming is close to that of high-bit digital beamforming when the hardware complexity and the power consumption are reduced.

The invention discloses a microwave-assisted terahertz frequency offset compensation method, and aims to solve the problem of signal distortion caused by frequency offset in terahertz communication. According to the method, a microwave signal is introduced as an auxiliary reference to realize real-time estimation and compensation of terahertz emission signal frequency offset. The specific process comprises the steps of injection of a microwave reference signal, spectrum analysis of a receiving end, offset extraction and frequency correction of a baseband signal. Compared with a traditional frequency offset compensation scheme, the method can effectively improve the precision and stability of system frequency synchronization, reduce the hardware complexity and enhance the anti-interference capability of a communication system, has a good application prospect, and is particularly suitable for a terahertz wireless communication system with high frequency width and high rate.

The invention discloses a temperature drift dynamic compensation system and method for a Hall current sensor. The system comprises a thermistor assembly, a power supply module, an analog-to-digital conversion module, a processor module and a compensation algorithm module. The thermistor is directly coupled to the surface of the Hall element, and an improved Kalman filtering algorithm is combined, so that dynamic compensation in a wide temperature range is realized. According to the invention, the measurement precision and stability can be significantly improved, the hardware complexity and cost are reduced, the temperature drift and nonlinearity influence of other elements is reduced, and the method is suitable for a high-precision current detection scene.

The invention provides a tuning method of a multi-band radio frequency antenna and a wireless antenna system, and relates to the technical field of wireless communication, and the method comprises the steps: determining a reference band and an interference band of a radio frequency signal based on a target working band of the radio frequency signal; determining an interference signal corresponding to the interference frequency band, and determining the signal type of the interference signal according to the interference characteristic of the interference signal; determining tuning parameters of the interference frequency band relative to the reference frequency band based on the signal type of the interference signal; and determining a search space corresponding to the tuning parameter, taking the search space corresponding to the tuning parameter as a reference center, determining an optimal value of the tuning parameter through domain search, and performing tuning processing on the radio frequency signal based on the optimal value of the tuning parameter. The same matching network is multiplexed through division of the reference frequency band and the interference frequency band, the complexity of processing hardware of the radio frequency signal is reduced, the optimal parameter adjustment direction is selected according to the signal type of the interference signal, the invalid search time is shortened, and the hardware complexity and the tuning time are reduced.

The invention provides a Softmax accelerator realized based on segmentation approximation and a design method. The Softmax accelerator comprises a maximum value module, a subtraction module, a data segmentation module, an index module, an adder tree module and a logarithm module. The input of the maximum value module is an input vector xi of Softmax, i = 1, 2, 3... n, and the maximum value xmax in the input vector is selected through a multi-path parallel comparator; the input of the subtraction module is xi and xmax, subtraction operation is completed through n parallel adders, and n output results xi-xmax are obtained; the data segmentation module segments the xi-xmax data into xi-xmax = a negative integer + a positive decimal; the index module is used for fitting an exponential function through a piecewise approximation method according to data segmentation result calculation; the input of the adder tree module is output, the input of the logarithm module is fitting a logarithmic function through a piecewise approximation method, and the output is realized. On the premise of ensuring the calculation precision, the exponential operation is simplified through the piecewise approximation method, and the division operation is optimized to reduce the hardware complexity, so that the reasoning speed of a deep learning model is improved.

The invention discloses a time domain super-resolution structured light three-dimensional imaging method based on frame interpolation. According to the invention, the frame rate limit of the camera is overtaken, and the three-dimensional imaging time resolution is improved by one order of magnitude. Object background intensity information and depth information at two continuous time points are obtained through a structured light system, depth images at a plurality of middle moments are predicted through a grating sequence frame insertion network, and then time domain super-resolution three-dimensional imaging of a moving object is achieved. According to the method, the three-dimensional imaging frame rate can be remarkably improved on the premise that the hardware complexity and the system cost are not increased, meanwhile, high spatial resolution and measurement precision are kept, and good system compatibility and scene generalization ability are achieved. The method is suitable for various dynamic three-dimensional sensing scenes such as intelligent manufacturing, biological motion monitoring, material micro-deformation detection and the like, and has wide engineering application value and popularization prospect.

The invention relates to the technical field of multi-frequency antennas, in particular to a 5G multi-frequency antenna and a signal adjusting method, and the antenna comprises a reconfigurable metasurface antenna array, an intelligent signal adjusting module and an environment perception and control module. By dynamically adjusting the electromagnetic characteristics of the metasurface unit and adopting a self-adaptive signal processing algorithm based on reinforcement learning, dynamic frequency band coverage, intelligent signal adjustment and high energy efficiency ratio can be realized, and the system can be widely applied to the field of 5G communication; the defects of multi-band coverage, signal adjusting capability, hardware complexity and energy efficiency ratio in the prior art are effectively overcome.

The invention provides a real scene-oriented light field 3D film source generation method, and aims to solve the problems of holes and artifacts caused by sparse viewpoints when a sparse camera array generates a light field 3D film source. The method comprises the following steps: acquiring a camera viewpoint image sequence and a depth image sequence through a sparse depth camera array, and performing forward mapping on a virtual viewpoint to generate a prediction image; for each virtual viewpoint, selecting prediction images of left and right adjacent camera viewpoints for filling, and obtaining a left adjacent viewpoint prediction image and a right adjacent viewpoint prediction image corresponding to each virtual viewpoint after filling; and respectively synthesizing two light field 3D film sources by using the filled image set, inputting the two light field 3D film sources into a pre-trained U-Net architecture fusion network for optimization, and outputting the light field 3D film sources. Through combination of virtual viewpoint prediction and the fusion network, the parallax continuity is improved while the hardware complexity is reduced, hole artifacts are effectively eliminated, and low-cost and high-reality light field 3D display is realized.

The invention discloses a high-parallelism polarization code encoder based on a feedforward pipeline architecture. The high-parallelism polarization code encoder comprises K encoding matrixes and K-1 core encoding modules, the coding matrixes are transversely arranged at intervals, and one core coding module is arranged between every two adjacent coding matrixes; the polar code encoding process of the high-parallelism polar code encoder is divided into K stages; each stage corresponds to one coding matrix; the coding matrix and the core coding module are continuously multiplexed, so that the construction of the whole high-parallelism polar code encoder can be completed; according to the invention, the parallel stage number of the encoder and the encoding stage number of the encoder can be autonomously selected as preset encoder parameters according to specific encoding requirements so as to adapt to different resource requirements, rate requirements and encoding code length requirements; compared with the existing encoder, the high-parallelism polar code encoder provided by the invention can effectively reduce the hardware complexity and improve the encoding speed.

The present invention discloses a waveform synchronization method and device. After the system is turned on, a dot frequency signal with the same frequency and synchronization with a low-frequency reference clock is first generated. After passing through a signal link, it is fed back in the form of a clock to perform digital phase identification with the low-speed reference clock. By adjusting the signal link delay, the feedback clock and the reference clock phase are aligned, thereby achieving the certainty of the signal link delay. By adopting this idea similar to a phase-locked loop, the problems of uncertain delay and asynchrony between channels between the DAC and FPGA interface can be solved without using an ADC to collect feedback waveforms and perform complex correction calculations, significantly reducing the hardware complexity and cost of the system, and the digital phase identification speed and calibration speed are fast. In addition, the accuracy of the delay calibration mainly depends on the setup and hold time of the D flip-flop, which can achieve very high accuracy. The present invention also discloses a synchronous waveform generating device.