114results about How to "Speed ​​up R&D progress" patented technology

The invention relates to a method for testing a base band chip of a satellite navigation receiver. The method comprises the following steps in turn: receiving a navigation satellite radio-frequency signal and converting the radio-frequency signal into a digital intermediate-frequency signal; acquiring the obtained digital intermediate-frequency signal and converting the digital intermediate-frequency signal into a binary file; storing the obtained binary file; playing back the stored binary file to form the digital intermediate-frequency signal and transmitting the digital intermediate-frequency signal to the tested base band chip; and performing result accuracy judgment on the output of the tested base band chip. The method reduces the expense required for constructing a plurality of test platforms, and facilitates the judgment of the accuracy of the output of the to-be-tested base band chip on finer resolution.

The invention discloses a method for researching and developing large-sized equipment based on virtual reality technology, utilizing the virtual reality technology to research the assembly process of the large-sized mechanical equipment, to optimize the design of key components of the large-sized mechanical equipment, to simulate the running conditions of the large-sized mechanical equipment under the virtual real environment and to optimize the system design of the large-sized mechanical equipment. The method can increase the speed of researching and manufacturing the large-sized equipment, reduce energy consumption, save researching and manufacturing cost and thoroughly give full play to the subjective initiative and the creativity of human beings. The method not only is suitable for teaching and scientific research, but also can be applied to the commercial fields of process manufacturing, advertisement propaganda, and the like, and has broad applicability.

The invention belongs to the field of aviation strength test numerical simulation, and particularly relates to a fastener load-deformation curve numerical simulation method comprising the steps of: abstracting a mechanical model according to an actual structure containing a fastener, forming a finite element numerical simulation model, and carrying out simulated analysis. According to the method disclosed by the invention, the numerical simulation method of a rivet load-deformation curve is established, and the fastener load-deformation curve is obtained through the numerical simulation analysis; the simple numerical simulating calculation is adopted to replace a test, and the fastener load-deformation curve satisfying the engineering requirements is obtained under the circumstance that the precision is not reduced; the simulated analysis method is simple, and the computational efficiency is high; the distribution bottleneck of precisely confirming fastener strength in an engineering structural analysis is solved, and the technical support is provided for engineers in adopting a commercial finite element software to analyze the riveted structure ultimate bearing capacity; the research and development progress of an airplane structure is accelerated, and the research and development costs of a new airplane are saved.

The invention discloses a precise servo mechanism resonance frequency testing system and a testing method. The system comprises a tested precise servo mechanism, a servo mechanism parameter tester and a data processing display terminal industrial control computer. The tested precise servo mechanism achieves a system with the mechanical system position, the speed or acceleration controlled in a closed loop control mode. The testing method is one selected from a sweep frequency method, a step method, a white noise method or a Multitone method. Multiple kinds of excitation signals can be selected, errors due to different characteristics of different mechanisms can be reduced. The powerful software function of a micro computer and the graphical environment are used for research and development on the servo system resonance frequency tester, the operation is simple and programmed, the cost performance is high, and demands of scientific research and engineering design can be better met.

The invention discloses a method for determining coolant control parameters for an electric vehicle power battery. The method comprises the steps of correcting a simulation model by using a physical thermal management rack system of the electric vehicle power battery; and determining the coolant control parameters of the electric vehicle power battery under different factors and levels by adopting the corrected simulation model and an orthogonal experiment method. The optimal coolant control parameters of the electric vehicle power battery under different factors and levels are determined by adopting the orthogonal experiment method for combination of multiple factors and multiple levels, so that the accuracy of the simulation test result is ensured, the test frequency is reduced, the test period is shortened, the research and development progress of the electric vehicle is increased, the research and development cost of the electric vehicle is reduced, the optimal coolant control parameters under the multiple factors and levels and on the premise of ensuring the target of low consumption level are ensured, and a reliable test basis is provided for good control on the temperature of the electric vehicle power battery and reduction of the consumption.

The invention discloses a universal floating point full-pipeline FFT (Fast Fourier Transform) operation IP (Internet Protocol) core, which comprises an in-situ operation unit, a base-2 pipeline type butterfly operation unit and a result processing unit, wherein the in-situ operation unit is used for segmenting and sorting input digital signals, completing in-situ operation by means of address order reversal, sequentially caching the input digital signals in a way of keeping 256 points in each group by using a ping-pang cache method, and generating data which are convenient for butterfly operation input via screening of odd and even sequences; the base-2 pipeline type butterfly operation unit comprises multiple stages of butterfly pipeline operation units; a first-stage butterfly pipeline operation unit is used for receiving data generated by the in-situ operation unit, and then each stage of butterfly pipeline operation unit is connected with a previous stage butterfly pipeline operation unit respectively to calculate FFT operation output corresponding to the input of each point; the result processing unit is connected with the base-2 pipeline type butterfly operation unit, and is used for sorting the FFT operation output calculated by using the base-2 pipeline type butterfly operation unit.

The invention discloses a method for detecting a channel hole. The method for detecting a channel hole comprises steps of providing a testing wafer, forming a filling layer in the channel hole, removing part of thicknesses of the stacking layer and the filling layer in order to make the surfaces of the filling layer and the stacking layer leveled in order to obtain a detection layer on the stacking layer and performing measurement of the channel hole on the detection layer. The testing wafer comprises a substrate, the stacking layer on the substrate and the channel hole in the stacking layer; and the stacking layer is obtained through silicon nitride layers and silicon oxide layers which are alternatively stacked. The method for detecting the channel hole can fast and comprehensively detect the formed channel hole, can simultaneously detect multiple holes, can detect the quality of the channel hole in different layers in a three-dimensional way, can accelerate a development progress and can reduce the loss brought by the technical abnormity.

The invention provides a medical data collecting and processing method and device. The medical data collecting and processing method comprises the following steps: S1, establishing a database by a data acquisition terminal, collecting data information, and uploading the data information to corresponding positions of a cloud server; 2, collecting and summarizing the data of the data acquisition terminal by the cloud server, performing cluster analysis on the collected data by the cloud server, and storing the data in corresponding positions of the cloud server; 3, using information of the database by a data client through a cloud server account. By adopting the medical data collecting and processing method and device, various data can be transparent, and high convenience can be brought to use, analysis, management and supervision of data.

The invention relates to a coaxial cylindrical SF6 breakdown voltage experimental device comprising a sealed case. An inner electrode and an outer electrode are fixedly arranged in the sealed case; the inner electrode is a conductive electrode rod; the outer electrode is a cylindrical conductive sleeve; the inner electrode passes through the outer electrode and is arranged along the axis of the outer electrode; and the outer electrode is grounded. SF6 gas with different gas pressures is led into the sealed case. Under all gas pressures, experiment voltages are applied to the inner electrode and are increased gradually till breakdown; corresponding breakdown voltages under all gas pressures are recorded; and thus a corresponding relationship between the SF6 gas pressure and the breakdown voltages is obtained. Therefore, the experimental device has the high detection precision; and the corresponding relationship between the SF6 gas pressure and the breakdown voltages can be obtained accurately. The important data can be provided for studying the relationship between the gap breakdown voltage and the SF6 pressure in the direct-current electric field in a slightly uneven electric field, so that the corresponding calculation method and criterion are obtained.

The invention relates to a simulation method of a frequency-modulated continuous wave laser radar. The method comprises steps of loading the customized laser radar sensor model parameters and the customized simulation environment into a computer, and performing single-point scanning on an obstacle in the simulation environment by the sensor model according to a preset scanning track to obtain theposition of the laser radar sensor model at the current moment, the distance value at the current moment and the speed value at the current moment,converting the current data obtained by single-pointscanning into three-dimensional point cloud data containing speed information, and storing the three-dimensional point cloud data,and completing one-time track scanning to obtain a frame of three-dimensional point cloud data containing speed information, packaging the current frame of data, and publishing the data.A high-simulation environment is established, simulation is carried out based on a single-point scanning model, each frame of calculation data is less, and customizable FMCW laser radar simulation data can be generated on a simple calculation platform so as to be used for effect evaluation of optical hardware and system software and practicability analysis of a later algorithm.

The purpose of the invention is to provide a tooling for testing an embedded POS payment terminal motherboard and a test method thereof. The tooling comprises a tooling test frame base, and a tooling ejector plate, a tooling liquid crystal display module, a tooling motherboard, and a pressing plate linked with a pressing rod, which are mounted on the tooling test frame base. The tooling motherboard is equipped with a CPU, a Norflash and an SDRAM, and is further equipped with a board card AD identification module, a power supply voltage detection module, a power supply module, a liquid crystal display module, a serial communication module, and a GPIO interface. The test method comprises the following steps: S1, a board card waiting for test is put in the tooling for test, wherein the tooling judges the version of the board card; S2, the tooling sequentially tests the performances of the board card; and if the tested board card passes all tests in S2 and all performances are qualified, test ends. The tooling and the test method have the advantage that the efficiency of motherboard test is improved and the work efficiency is improved.

The invention relates to a calibration method of reference extracts. Each of n batches of reference extracts comprises m components. The calibration method comprises the following steps: preparing the extracts into solutions, and separating and detecting the solutions by chromatography; injecting samples of different volumes and performing linear regression on each component to obtain a regression equation; computing a signal mass ratio of the same component in the reference extracts of different batches according to the equation to obtain a m-ary linear equation set of n lines, wherein the equation set have Cn<m> roots; and counting the roots, wherein when relative standard deviation is lower than an acceptable discrimination error R, the calibration is successful. The calibration method can be used for successfully solving the problem that a reference substance is not easily available, provides a scientific and reasonable standard setting thought for traditional Chinese medicine and natural medicine, also provides a mixed reference substance for accurately quantifying related substances in chemical medicine, and further remedies the defect of operation of defining the purity of reference substances by a normalization method.

The invention relates to an MMC converting system and a fault-tolerant control method thereof. The converting system comprises m*n MMC converting units which form an m*n-order matrix, wherein each MMC converting unit is one matrix unit in the matrix, the matrix units in the same column are connected sequentially, and the matrix units in the same line are connected sequentially; at least one full-bridge sub-module is arranged on each bridge arm in each MMC converting unit. The MMC converting system is divided into three layers for fault-tolerant control, the first-layer control is matrix unit fault-tolerant control, the second-layer control is matrix line fault-tolerant control, and the third-layer control is matrix column fault-tolerant control; by means of the fault-tolerant control on three levels including the matrix units, the matrix lines and the matrix columns, cross-redundant fault-tolerant control of the flexible converting system is realized, the industrial blank is filled up, the reliability of the high-voltage high-capacity flexible converting system is improved greatly, and industrial promotion is facilitated.

The invention provides a high-precision and interval-controllable electrode and a preparing method of high-precision and interval-controllable electrodes. The method comprises the steps that firstly, a substrate is designed and prepared, wherein high surface energy regions and lower surface energy regions are alternately arranged on the substrate; the high surface energy regions are fully paved with a solution or emulsion including conductive fillers; then, evaporation diffusion is conducted, along with the volatilization of the solvent, the freely-diffused conductive fillers are gathered and arranged on the boundary regions, adjacent to the low surface energy regions, of the high surface energy regions, the lower surface energy regions serve as dams and are used for controlling the further diffusion of liquid drops, the diffused and arranged conductive fillers are solidified through heating or photon sintering and then form interval-controllable high-precision electrodes, and the intervals of the electrodes are controlled by the width of the high surface energy regions. The high-precision and interval-controllable electrode prepared through the method has important application on the aspect of preparing high-precision electrodes of devices such as transparent conductive films, high-end sensors, transistors, storage devices and capacitors.

The invention discloses a corpus data labeling method based on swarm intelligence. A user inputs to-be-labeled data; a labeling model and a labeled data generator are initialized; the labeled data generator extracts a certain number of data from the to-be-labeled data and labeled data for labeling personnel to generate the labeled data; the labeling model is generated in a research and developmentprocess; the labeling model performs iterative training according to the labeled data, and then performs automatic labeling on the to-be-labeled data to generate automatically labeled data of the labeling model; and the labeling personnel perform labeling or confirmation on the labeled data, and store the labeled data. Meanwhile, based on the data labeling method, the invention provides a corpusdata labeling system based on the swarm intelligence. According to the labeling method and system provided by the invention, the development process and the labeling process can be combined, so that the research and development period and the labeling period can be remarkably shortened, and the accuracy of data labeling is improved.

The invention belongs to the technical field of airborne research and development, and provides a system file checking and correcting method, device and equipment and a medium. The method provided by the invention comprises the following steps: establishing a system file architecture and a logic rule based on an industrial standard; finishing system file editing according to the system file architecture and the logic rule; checking and correcting the edited system file, and outputting the system file. According to the technical scheme provided by the invention, the working cost of manually completing grammar check and logic proofreading of the system file can be saved, the consistency and correctness of the system file are greatly improved, and the quality of the system file is improved to a certain extent.

The invention provides a universalized integrated serial port communication method which comprises the following steps: (1) reading and loading configuration information: loading a main program, reading a configuration file by the main program, and loading a dynamic link library file based on the information of the configuration file; (2) configuring communication; (3) starting communication; (4)data verification; (5) generating data; (6) transmitting and receiving data; (7) interface display; (8) ending and stopping. According to the invention, one or more simulation device serial ports canbe rapidly generated according to actual needs, serial port transmission data can be set, communication between the central information processor and each device can be effectively simulated, the research and development workload can be reduced, and the research and development progress can be improved.

The invention provides a measurement method for back-illuminated wafer crystal edge scribing depth. The measurement method comprises the following steps that: adopting a preset way to scan a scribed wafer crystal edge, and obtaining the optical image of the scribed wafer crystal edge; obtaining a scattered signal channel boundary caused by the step structure right-angle side of the scribed wafer crystal edge; measuring an angle position where the boundary of each wafer crystal edge position is positioned; establishing the contour model of the scribed wafer crystal edge; through the establishedcontour model, obtaining a relationship function of scribing depth and the angle position of the boundary; and substituting the measured angle position into the relationship function to calculate thescribing depth of each crystal edge position. Under a situation that the wafer is not damaged, the wafer scribing depth of the back-illuminated wafer on the whole circumference can be effectively measured, reliable data support is provided for the regulation of the scribing technology during a research and development initial stage, a research and development progress is quickened, and product yield is improved.

The invention discloses a Triple-frequency micro-strip slot antenna. The Triple-frequency micro-strip slot antenna comprises a front dielectric plate and a rear grounding plate and is characterized inthat the dielectric plate is provided with a micro-strip line, a position, corresponding to the micro-strip of the dielectric plate, of the grounding plate is provided with a slot, and the slot comprises a non-closed annular groove, a radiation groove and a regulation groove. The Triple-frequency micro-strip slot antenna has the advantages that an extra plug-in does not need to be added, a coupling feeding mode is used, excellent-performance Triple-frequency work can be achieved, and the Triple-frequency micro-strip slot antenna is easy in integration, easy in machining, small in size, smallin space occupation, good in radiation performance and low in production cost.