64results about How to "Reduce implementation complexity" patented technology

The invention discloses a thermal management method and device of a brake disc, computer equipment and a storage medium. The thermal management method of the brake disc comprises the steps that a whole vehicle fluid mechanics model is used for calculating convective heat transfer coefficients of all positions on the brake disc at the current vehicle braking moment; obtaining the temperature of each position on the brake disc at the current vehicle braking moment and the vehicle speed at the current vehicle braking moment; according to the convective heat transfer coefficient and the temperature of each position on the brake disc and the vehicle speed of the vehicle, the temperature variation of each position on the brake disc is calculated; predicting a temperature peak value on the brake disc at the next moment according to the temperature variation and the temperature of each position on the brake disc; and when the temperature peak value on the brake disc at the next moment does not meet the preset temperature condition, a cooling system of the vehicle is controlled to cool the brake disc till the temperature peak value on the brake disc meets the preset temperature condition. According to the method, the heat dissipation effect of the brake disc is enhanced.

The invention discloses a multi-converter carrier synchronization control method, device and system. The method comprises the following steps: triangular carrier signals with the same frequency and phase are stored in each controlled converter; when the controlled converter receives data sent by a data sender, a carrier synchronization signal is extracted from the received data; judging a phase relationship between the extracted carrier synchronization signal and a triangular carrier signal in the controlled converter; adjusting the peak value of the triangular carrier signal according to the judgment result of the phase relationship to realize phase consistency, if the phase of the triangular carrier signal is judged to be ahead of the carrier synchronization signal, controlling to adjust the peak value of the triangular carrier signal to be an increased preset value, and if the phase of the triangular carrier signal is judged to be lagged behind the carrier synchronization signal, controlling to adjust the peak value of the triangular carrier signal to be an increased preset value. And controlling the peak value of the triangular carrier signal to be adjusted to a reduced preset value. The method has the advantages of simple implementation method, low execution cost and complexity, high stability and reliability, strong anti-interference performance and the like.

The invention discloses an Msg4 repetition frequency determination method and device and a storage medium, and relates to the technical field of communication. According to the specific implementation scheme, the Msg3 repetition frequency indication sent by network equipment is received, the Msg4 repetition frequency is determined according to the Msg3 repetition frequency indication, and the Msg4 repetition frequency is determined based on the Msg3 repetition frequency indicated by the Msg3 repetition frequency indication. Therefore, the Msg4 repetition times and the Msg3 repetition times are bound, and extra signaling is not independently configured to indicate the Msg4 repetition times, so that the signaling overhead in the random access process is effectively saved, and the implementation complexity is reduced.

The invention discloses a hardware security vulnerability knowledge graph-assisted Verilog security code generation method and device, and the method comprises the steps: firstly decomposing a hardware code generation task into a plurality of subtasks according to the natural language description of the hardware code generation task inputted by a user, and extracting signals, state conversion and circuit code examples; secondly, acquiring hardware security vulnerability data, and constructing a hardware vulnerability security knowledge graph from top to bottom; and then generating Verilog codes according to natural language description, signals, state transition and circuit code examples of the subtasks. And finally, based on the hardware vulnerability security knowledge graph, performing security vulnerability detection on the Verilog code and repairing security vulnerabilities to generate a secure Verilog code. According to the method, the hardware code generation efficiency and safety are improved, meanwhile, flexibility and expansibility are achieved, and implementation complexity is reduced.

The invention discloses a panoramic image generation method and apparatus, an electronic device and a storage medium. The panoramic image generation method comprises the steps of obtaining text description information of a to-be-generated target panoramic image; and generating a target panoramic image based on a pre-trained diffusion repair model and the text description information, the diffusion repair model being obtained by performing small sample fine tuning or zero sample fine tuning on a target diffusion model based on a control network ControlNet. According to the method, the panoramic image required by the user can be conveniently generated.

The invention discloses an auxiliary converter state diagnosis method, device and system and a medium, and the method comprises the steps: obtaining current data detected by a filter inductance input side sensor of a detected auxiliary converter to obtain an inductive current when the detected auxiliary converter is started and an output contactor of the detected auxiliary converter is not closed; acquiring an output voltage detected by an output voltage sensor in the detected auxiliary converter; carrying out fundamental wave extraction on the obtained inductive current by using a second-order generalized integrator to obtain an inductive current fundamental wave; carrying out fundamental wave extraction on the obtained output voltage by using a second-order generalized integrator and calculating a derivative to obtain a fundamental wave guide number of the output voltage; calculating the capacitance value of a capacitor in a filter circuit of the tested auxiliary converter according to the fundamental wave of the inductive current and the base wave guide number of the output voltage; and judging the fault state of the filter circuit capacitor according to the calculated capacitance value of the capacitor. The method has the advantages of simple operation, low cost, high diagnosis efficiency and precision and the like.

The invention discloses a preamble generation method, a receiving method, a system, equipment and a medium. The generation method comprises the following steps: acquiring a plurality of first short symbols and a plurality of second short symbols; the energy of the first short symbol is different from that of the second short symbol; arranging the plurality of first short symbols and the plurality of second short symbols in a staggered manner to obtain a short training sequence; a preamble is generated based on the short training sequence. The receiving method comprises the following steps: receiving lead codes, performing cross-correlation operation on adjacent first short symbols in a plurality of first short symbols in each lead code, and summing all obtained cross-correlation operation results to obtain a first value; summing the energy of all second short symbols in a plurality of second short symbols in each lead code to obtain a second value; and when the ratio of the first value to the second value is greater than a preset threshold, determining that the frame header of the signal is detected. According to the invention, the number of OFDM transmission subcarriers, the data rate signal capture success rate, and the performance and robustness of time-frequency synchronization under the condition of low signal-to-noise ratio are improved.

The invention provides a resource calling method and device. The method comprises the following steps: calling a distributed lock service through a first distributed lock component to lock a target resource; wherein the distributed lock service is a micro-service for managing a lock by using a database and a cache technology; obtaining a first target lock of the business processing application to the target resource; in the resource calling process, lock checking is carried out through the first distributed lock component, or the resource service type application is triggered to carry out lock checking through the second distributed lock component, so that the target resource is called under the condition that the business processing type application holds the first target lock. The distributed lock service is realized by comprehensively using the database, the micro-service and the cache technology, the lock operation is carried out under the condition of not introducing a third-party product, the complexity of the system in design, construction and maintenance is reduced and the reliability is improved while the business function requirements are met, and the performance can be improved by fully utilizing the cache.

The application discloses a bidirectional hill holding control method and device, a wheeled electric engineering vehicle and a storage medium, and relates to the technical field of vehicle control. The method comprises the following steps: when it is determined that the current vehicle is in a hill driving state according to first state information of the current vehicle, the slope value of the road where the current vehicle is located is determined; when it is determined that hill holding needs to be triggered according to second state information of the current vehicle, third state information of the current vehicle is acquired; the requested torque of the driving motor of the current vehicle is determined according to the third state information of the current vehicle and the slope value, and the driving motor is controlled to output the requested torque, so as to realize bidirectional hill holding. The technical scheme provided by the application can reduce the cost of identifying whether the vehicle is on a hill and the implementation complexity of bidirectional hill holding, and improves the experience of users using the wheeled electric engineering vehicle.

The present invention discloses a folding capture method of a direct sequence spread spectrum long code, the method comprising: performing partial matching correlation with a local folding code after preprocessing and mixing a high frequency spread spectrum signal, storing the correlation result in a two-dimensional register, performing group FFT operation and accumulation on the correlation result, obtaining a power spectrum with the same code phase of the correlation result, performing square sum of the I / Q path power spectrum module to obtain a maximum peak value much larger than other power spectrum amplitudes, comparing the maximum peak value with a threshold value, if it is greater than the threshold value, then the local spread spectrum code phase offset corresponding to the peak value is consistent with the code offset of the input signal, and the Doppler frequency deviation estimation value of the input signal can be obtained through the corresponding local spread spectrum code. The local code is folded, multiple code phases can be searched for in one correlation, and the correlation results are grouped for FFT, which can reduce the difficulty of operation and reduce the calculation time.

The invention discloses a method and an apparatus in a node used for wireless communication. The first receiver receives a second information block, the second information block is used for determining a first search space set and a second search space set, and a third search space set is connected; receiving a first information block, wherein the first information block is used for determining a reference time domain resource set; monitoring at least a first PDCCH alternative in the first search space set and at least a target PDCCH alternative in a target search space set in a first time unit; wherein the first PDCCH alternative and the target PDCCH alternative are monitored to be used for detecting a DCI (Downlink Control Information) format with the same information; whether the target search space set is the second search space set or the third search space set depends on whether the first time unit and the reference time domain resource set are orthogonal or not. The interference is reduced, and the flexibility of the system is improved.

The application discloses a Spike-BP on-chip learning method and system based on a Ca-LIF neuron model and a processor, wherein a trainable linear leakage parameter and a positive and negative double-channel pulse transmitter mechanism based on calcium gating are adopted; for the Ca-LIF neuron model, a linear leakage operation can be realized only by subtraction, complex leakage compensation operations can be avoided when a gradient matrix is solved, hardware implementation complexity is reduced, a large amount of calculation resources of subsequent hardware design is saved, and the performance of pulse neural network training is improved.

The invention discloses a cold station control method, device and equipment and a medium. The cold station control method comprises the following steps: acquiring digital twin data of a target cold station; determining an available control logic deployment terminal based on the target cold station digital twin data; and deploying the cold station control logic to the available control logic deployment terminal according to the cold station control logic instance and the control logic allocation priority. According to the technical scheme provided by the embodiment of the invention, the cold station control logic can be reasonably distributed, the stability of a cold station system is effectively improved, and the project implementation complexity is reduced.

The invention discloses a data transmission method and system applied to data synchronization, belongs to the technical field of data synchronization, and aims to solve the technical problems of how to solve the universality of a data transmission format, and how to reduce the dependence on a data transmission layer and the binding of a programming language. Comprising the following steps: constructing a data tuple based on field attributes, and creating a library table in a target database based on the field attributes in the data tuple; based on the structure type of the synchronous data, filling the synchronous data into the corresponding data blocks, if the storage capacity of the current data block is smaller than the size of the synchronous data, creating a new data block to carry out cross-block storage on the synchronous data, and arranging the data blocks according to the block numbers of the data blocks; and sending the data block corresponding to the synchronous data to a data storage module through the message queue, analyzing the data block through the data storage module, and storing the synchronous data obtained through analysis into a library table corresponding to the target database.

The present invention relates to the field of satellite navigation technology, and in particular to a method for detecting deception interference in a satellite navigation receiving device. A satellite navigation deception interference detection method based on signal propagation fingerprint features, characterized in that it includes the following steps: (1) establishing a baseline fingerprint feature database for each satellite; (2) calculating the current satellite fingerprint feature data; (3) calculating the Pearson correlation coefficient and making a deception judgment. The beneficial effects of the present invention are: deception interference detection is performed through the signal propagation fingerprint feature, making full use of the prior information that the position of the receiving device is fixed, without the need to modify the hardware of the receiving device, and only the software needs to be upgraded to achieve it, which greatly reduces the complexity of implementation. It can provide deception interference detection capabilities for various satellite navigation receiving devices in core civilian fields such as finance, electricity and communications.

The invention discloses a three-dimensional digital image method (3D-DIC) based on adaptive calculation of an optimal image sub-region size, and the method comprises the steps: estimating the size of an initial image sub-region and the value range of the size of the image sub-region based on a speckle evaluation method of an SSSIG (Sum of Quality of Square) threshold value of the image sub-region; performing attempt DIC calculation of time sequence matching and stereo matching based on the size of the initial image subarea to obtain an initial displacement field, and estimating a high-order displacement derivative based on a local least square fitting method; calculating an optimal image sub-region size based on a high-order displacement derivative and speckle related parameters; the initial displacement field serves as an initial value, and a final image displacement result is obtained through optimization calculation by combining the optimal image sub-area size optimization of time sequence matching and stereo matching; based on simulation image data generated by a simulation stereoscopic vision system, it is verified that the self-adaptive algorithm used in the method has higher measurement precision than a conventional three-dimensional digital image correlation method.

The present application relates to air conditioner detection technical field, propose a kind of air conditioner electrolytic capacitor health on-line detection method and system, the air conditioner electrolytic capacitor health on-line detection method includes collecting the voltage ripple signal of DC-DC step-down converter output in air conditioner, and detects the zero-crossing time of first time through direct current average voltage in a switching cycle, obtains first zero-crossing time;At the switching on starting moment or switching off moment of switching cycle, single sampling is carried out to output voltage ripple signal, and sampling voltage value is obtained;According to the running state of DC-DC step-down converter, it is judged that DC-DC step-down converter is currently in continuous conduction mode or discontinuous conduction mode;Based on the judgment result, corresponding capacitor parameter calculation model is selected, and the capacitance value and equivalent series resistance of output capacitor are calculated;The capacitance value and equivalent series resistance calculated are compared with preset threshold value, and if exceed threshold value, then trigger capacitor health state early warning.

The invention relates to a scene-oriented multispectral and infrared bimodal camouflage figure decision-making system, and belongs to the technical field of multisource information perception and intelligent decision-making. The system comprises an unmanned aerial vehicle carrying platform, a bimodal imaging unit, a data processing and communication unit and a ground calculation and decision unit. The bimodal imaging unit synchronously acquires a target area image through an infrared camera and a spectrum camera; the data processing unit preprocesses and transmits the image; the ground calculation and decision-making unit comprises a data set construction module, a bimodal target detection module, an image registration module, a self-adaptive decision-making module and a decision-making fusion module. The system calculates a homography matrix based on the flight height to realize image registration, adaptively selects a decision path according to a light intensity parameter, and outputs a detection result through intersection-to-union ratio matching and weighted fusion. Through a system-level architecture and a formulation decision-making mechanism, the accuracy and robustness of camouflage figure detection in a complex environment are improved, and the method is suitable for unmanned aerial vehicle platform deployment.

The invention provides a trusted user identity system construction method and business system, and the method comprises the steps: constructing a block chain network of trusted identity, deploying an intelligent contract of identity management on the block chain network, and defining an on-chain two-dimensional relation table of an identity management application based on an on-chain two-dimensional relation table of the block chain network; and constructing a cross-organization available user system on the block chain network. According to the method, when the two-dimensional relation table on the chain is used for performing management such as addition, modification, query and deletion on the institution certificate, the personal digital identity and the personal credible identity certificate on the chain, quick retrieval positioning and processing can be performed based on the characteristics of the two-dimensional relation table, so that the technical implementation complexity is remarkably reduced, and meanwhile, the processing efficiency is improved.

The application discloses a kind of digital warm pump parameter calculation system and method without sensing, belong to parameter calculation technical field, its method specifically includes: obtaining the electric operating parameter in current control period and the inherent characteristic parameter of pump body, constructs pump end energy balance model, and inherent characteristic parameter is mapped as the dynamic pump characteristic surface corresponding to current speed, and the first virtual flow value and the first virtual lift value are obtained by inversion, and input pre-established warm pipe network digital impedance model, calculate to obtain second virtual lift value, and generate pipe network impedance correction according to the deviation between first virtual lift value and second virtual lift value, and the output parameter of warm pipe network digital impedance model is iterated and updated, and when deviation meets preset convergence condition, the parameter without sensing corresponding to current control period is output;The application reduces the influence of relevant interference fluctuation on parameter calculation without sensing, and reduces the interference of single sampling point anomaly or local calculation deviation on output parameter.

The invention relates to the field of wind power generation, in particular to a wind turbine generator yaw static error correction method and system based on a multi-beam laser radar. The method comprises the following steps: S1, scanning a wind field area in front of an impeller of a generator set through a multi-beam wind measurement laser radar mounted in a cabin of the wind turbine generator set to obtain parameter information of a plurality of spatial points; s2, performing fitting calculation on the parameter information system to obtain a fitting circle representing a horizontal wind vector of the wind field area, and solving the fitting circle to obtain a free flow wind direction; s3, the free flow wind direction is compared with the current cabin orientation, and a real-time static yaw error angle is obtained through calculation; generating a yaw control instruction according to a preset control strategy; s5, solving and calculating the fitting circle to obtain a transverse wind component, and correcting the yaw control instruction; according to the method, the control instruction is generated through the control strategy to drive the yaw system to perform dynamic compensation, so that the wind turbine generator can continuously maintain the optimal windward attitude, and the stability and long-term effectiveness of control are ensured.

The application discloses a service request processing method and device, electronic equipment and a storage medium. The method creates an independent counting unit for each time window, and destroys the counting unit associated with the target time window if the life cycle of the time window ends. In this way, the service requests of a preset type in each time window can be counted independently, and only the number of service requests of the preset type needs to be accumulated, without performing the complex and error-prone deduction operation in the conventional technology. On the one hand, since the data deduction operation is saved, the implementation complexity and performance overhead of the system are reduced, and the stability and reliability of the system are enhanced. On the other hand, in a high-concurrency environment, the system only needs to process the number accumulation process of the service requests of the preset type, reduces the competition for resources of the data accumulation and data deduction processes, and improves the accuracy of the counting result and the system state determination.

The application relates to a carry chain delay tuning method and device of a field programmable logic gate array, and belongs to the technical field of time-to-digital conversion. In view of the problem that the large time interval difference of each tap of the carry chain leads to poor linearity of measurement, a delay chain is constructed by cascading multiple-stage carry chain unit stages, the output of the previous stage is simultaneously guided to the first input end with a small delay and the second input end with a large delay of the next stage; calibration measurement is carried out by taking the full second delay path as an initial structure; according to the delay parameter, the input path of the time interval deviation over-limit tap is switched to the first delay path to form a mixed delay chain. The application improves the tap distribution uniformity by dynamically adjusting the path selection parameter and the multi-stage register output selection adjustment, and is mainly applied to a high-precision time-to-digital converter and a measurement test system.

The application provides a self-organizing network SC-FDE waveform time-frequency diversity processing method, device and system and a storage medium, and relates to the technical field of wireless communication. By designing the unique word sequence of even time slots as the conjugate sequence of the unique word sequence of odd time slots, while keeping the same service data content carried by the odd and even time slots, time-frequency diversity can be realized under the condition of a single antenna, and double gains of anti-interference and anti-multipath can be obtained without increasing the number of antennas. The receiving end can share the multiplier to complete the correlation degree calculation in symbol synchronization, and share the frequency domain unique word sequence to complete channel estimation, thereby greatly improving the multiplexing rate of hardware resources, reducing the system implementation complexity and cost. The receiving end frame demodulation logic adopts the mechanism of directly extracting time count information in odd time slots and automatically deriving in even time slots, thereby reducing the frequency of independent time count information in the frame structure, reducing the frame overhead, and improving the transmission efficiency.

The invention discloses a quantum circuit, a method and a system for preparing a quantum uniform superposition state and a quantum circuit for realizing a parallel function, the preparation of any circuit in the quantum uniform superposition state needs to be realized according to the constructed circuit of the parallel function, and the quantum circuit of the parallel function comprises a first function operator circuit and a second function operator circuit. The initial state of the first quantum register is subjected to # imgabs0 # transformation and then is used as the first input of the quantum circuit for realizing the parallel function; and the initial state of the second quantum register is directly used as the second input of the quantum circuit for realizing the parallel function. According to the invention, the number of three-bit quantum gates required is obviously reduced, the number of quantum bits is reduced, the calculation complexity is reduced, and the realization precision is improved.

The application discloses a fault detection device based on fast edge pulse frequency scanning, comprising: a digital code type generation module configured to generate a controllable square wave signal based on a preset fast edge pulse period; a delay line module configured to apply two different delay times to the controllable square wave signal to obtain two delay signals; a combination logic module configured to perform logic operation on the two delay signals to obtain a fast edge pulse signal; a signal shaping module configured to shape the fast edge pulse signal; a signal synthesis and distribution module for synthesizing the shaped signal; a collection and spectrum analysis module configured to obtain an input reference spectrum and an output spectrum; and an ADC data processing module configured to calculate a frequency response function based on the input reference spectrum and the output spectrum, and a host computer configured to obtain a fault condition of a measured system according to the spectrum result. The application effectively reduces the system hardware cost and implementation complexity while improving the frequency scanning capability.

The invention relates to the technical field of page editors, and particularly discloses a page editor platform implementation method and device and a storage medium, the page editor platform implementation method comprises the steps that a platform material library is configured, the platform material library at least comprises a component and a universal plug-in corresponding to the component, the component is used for implementing a page editing basic function, and the universal plug-in corresponds to the component; the universal plug-in is used for realizing a page editing universal function; receiving a page editing demand instruction of a user, and generating a material calling instruction according to the page editing demand instruction; calling components and universal plug-ins in the platform material library according to the material calling instruction; and executing the component and the universal plug-in according to a page editing operation instruction of a user to realize a page editing function, and obtaining a page editing set. According to the implementation method of the page editor platform, provided by the invention, the cost and complexity of component development can be reduced.

This invention discloses a point cloud data correction method and related lidar, apparatus, program, and equipment. The method includes: determining the corrected field-of-view position information based on a pre-constructed temperature-distortion model, temperature data from the lidar receiving lens, and the field-of-view position information corresponding to the original measured point cloud data; and reconstructing three-dimensional point cloud data based on the corrected field-of-view position information and the point cloud data. This method enables real-time dynamic correction of the angle value of each laser ranging point during the online operation of the lidar. It eliminates nonlinear angle measurement errors introduced by temperature changes, especially the amplification of light rays at the edge of the field of view due to thermal expansion and contraction at large field-of-view angles, from the data source. It effectively suppresses the bending, twisting, or drifting of straight objects in the point cloud image at the edge of the field of view, thereby improving the point cloud output accuracy and coordinate reliability of the wide-angle blind-spot lidar under all temperature conditions.

The application discloses a light beam pointing stabilization method and system for free space optical communication of an airborne platform, and belongs to the technical field of free space optical communication, and comprises the following steps: acquiring error spectrum dominant band information based on light beam pointing error or tracking error characteristic quantities; constructing a directional shaping compensator based on the error spectrum dominant band information, and setting a shaping risk safety constraint mechanism; under the monitoring of the shaping risk safety constraint mechanism, combining the directional shaping compensator with a basic closed-loop controller to generate an actuator control quantity; outputting the actuator control quantity to correct the light beam pointing; wherein, in the process of executing the above combination step, when the shaping risk safety constraint mechanism monitors that a safety constraint triggering condition is met, a rollback action is performed on the directional shaping compensator, and the rollback action is released after a risk index returns to within a threshold value and a preset cooling time is met.

The application discloses a data processing method, device, equipment, medium and product, the method comprises the following steps: dividing the to-be-compressed data into fixed-bit-width symbols, and generating or updating a prior dictionary according to the symbol frequency of the to-be-compressed data; selecting a set number of symbols with the highest occurrence frequency from the prior dictionary as high-frequency symbols, and configuring an escape symbol, and constructing an encoding tree based on the high-frequency symbols and the escape symbol; encoding the to-be-compressed data according to the encoding tree, if the current symbol belongs to the high-frequency symbols, output the code word of the high-frequency symbol, otherwise, first output the code word of the escape symbol, and then output the fixed-bit-width binary representation of the current symbol, to obtain the target data after compression. The above technical features can support stream data processing while ensuring lossless compression, and can reduce the calculation overhead and implementation complexity by effectively utilizing the data distribution characteristics.