116 results about "Coded element" patented technology

A method is provided for optimizing regression testing in a software development environment. The method includes analyzing source code to create a structural dependency graph that maps dependencies between code elements; identifying changes in the source code between a current version and a previous version; mapping the identified changes onto the structural dependency graph to determine affected code elements; selecting a subset of regression tests based on the affected code elements identified in the dependency graph; and executing the selected subset of regression tests to validate the changes in the source code.

An assert statement generator employs a neural transformer model with attention to generate candidate assert statements for a unit test method that tests a focal method. The neural transformer model is pre-trained with source code programs and natural language text and fine-tuned with test-assert triplets. A test-assert triplet includes a source code snippet that includes: (1) a unit test method with an assert placeholder; (2) the focal method; and (3) a corresponding assert statement. In this manner, the neural transformer model is trained to learn the semantics and statistical properties of a natural language, the syntax of a programming language, and the relationships between the code elements of the programming language and the syntax of an assert statement.

Techniques for implementing an AI threat modeling tool are disclosed. A static analysis tool is used to extract a candidate code snippet from a code repository. The candidate code snippet is identified as potentially being a security relevant code element. The static analysis tool generates additional context associated with the candidate code snippet. An LLM prompt is generated. This prompt is structured to include the candidate code snippet, the context, and a directive to assign a classification to the candidate code snippet. The classification includes a source classification, a sink classification, a sanitizer classification, or a flow step classification. The LLM operates on the prompt to generate output comprising a specific classification for the candidate code snippet. The output is formatted into a data extension file that is consumable by the static analysis tool.

The invention provides a vulnerability detection method, electronic equipment, a storage medium and a computer program product, and relates to the technical field of computers. The method comprises the following steps: acquiring a code semantic map of a to-be-detected item; performing test analysis on the to-be-detected item to obtain a vulnerability detection path of the to-be-detected item; and sending a vulnerability detection request to the large language model. And if missing element information returned by the large language model for the vulnerability detection request is received, matching nodes in the code semantic map based on the missing element information. And for each code element in the missing element information, determining a target node from the matched node based on the semantic association degree between the node matched with the code element and the vulnerability detection path, thereby sending a new vulnerability detection request to the large language model. By implementing the method and the device, the code context information can be accurately provided when the big language model is adopted for vulnerability detection, and the vulnerability detection accuracy is improved.

Disclosed in the present application are a method, apparatus and system for three-dimensional reconstruction. The method includes: acquiring a first image and a second image, wherein the first image and the second image are respectively obtained by means of different image collection devices collecting a predetermined code element image projected onto the surface of an object to be measured; acquiring a first target pixel point of each code element in the first image, and determining, in the second image, a matched pixel point for the first target pixel point of each code element in the first image; and determining the three-dimensional coordinates of the first target pixel point at least according to the predetermined pixel point coordinates of the first target pixel point in the first image and the predetermined pixel point coordinates of the matched pixel point in the second image, so as to complete three-dimensional reconstruction.

The invention relates to the technical field of material management, in particular to a cross-coding system material code automatic mapping and conversion method, which provides basic data support for dynamic mapping by acquiring historical material codes and mapping codes thereof as a training verification set and extracting structural feature vectors and code element value ranges of coding systems. A material code is subjected to sliding segmentation by utilizing a segmentation window technology, and a source coding system is determined by combining structural similarity and a code element value range, so that dynamic analysis and inverse coding processing of a complex coding structure are realized; and quality evaluation and parameter correction are carried out based on the similarity between the converted code and the mapping code, and limitation of static transcoding is avoided. According to the automatic mapping and conversion method for the material codes of the cross-coding system, the adaptive capacity and the dynamic adjustment capacity of transcoding are remarkably improved, and an effective scheme is provided for conversion and mapping of the codes in the large-scale material coding system.

The application provides a SSVEP-based brain-computer interface stimulation modulation method, system, device and medium, comprising the following steps: acquiring a preset code sequence set, a stimulation frequency set and a stimulation paradigm; the code sequence set comprises a plurality of code sequences; the code sequence comprises a plurality of code elements, and the code element corresponds to a brightness amplitude depth coefficient; the stimulation frequency set comprises a plurality of stimulation frequencies; the stimulation paradigm is used for modulating the brightness amplitude depth and the flicker frequency of visual stimulation based on the code sequence and the stimulation frequency; based on the code sequence and the stimulation frequency, a code stimulation combination of the code sequence and the stimulation frequency is generated; and based on the code stimulation combination, the visual stimulation corresponding to each stimulation block is modulated by using the stimulation paradigm. The SSVEP-based brain-computer interface stimulation modulation method, system, device and medium provided by the application not only expand the number of stimulation targets, but also improve the comfort of users when gazing at the visual stimulation.

The invention discloses a cable coding method, system and device and a storage medium, and the method comprises the steps: dividing preparation cable data according to an opposite system, and obtaining first grouping data; classifying cable data with the same data attribute in the first-time grouped data into the same group to obtain second-time grouped data; for each target cable in the second-time grouped data, determining a plurality of coding elements based on a corresponding relationship between the second-time grouped data and the coding elements; and according to a preset combination mode, combining the plurality of coding elements to generate a cable code of the target cable. And full-process automation from data input to code output is realized. Compared with a manual splicing coding mode, the problems of manual calculation errors, spelling errors and the like are thoroughly avoided, and it is ensured that the generated cable codes meet rule requirements.

The invention belongs to the technical field of digital information transmission, and particularly relates to instrument data acquisition, in particular to an instrument data acquisition system and an instrument data acquisition method.According to the instrument data acquisition system, after acquisition equipment is connected with instrument equipment, a time parameter of a first code element is obtained; the Baud rate is preliminarily determined according to the time parameter of the first code element, data acquisition is carried out according to the preliminarily determined Baud rate, an oscillogram is constructed according to the acquired data, the final Baud rate is determined in the oscillogram according to the effective area, and after the final Baud rate is determined, data interaction is carried out between the instrument equipment and the final Baud rate. Therefore, the Baud rate of the instrument equipment can be quickly and accurately determined, the acquisition equipment can conveniently adopt the Baud rate corresponding to the instrument equipment for communication, and accurate transmission of instrument data is completed.

The present application relates to a kind of based on micro-nano fiber and scattering medium substrate coding element and speckle spectrometer.The coding element includes sealed cavity, micro-nano fiber and scattering medium substrate;Including drawstring transition zone and waist zone in the body of micro-nano fiber, drawstring transition zone forms leaky mode, waist zone generates evanescent field, the body of micro-nano fiber penetrates sealed cavity, so that drawstring transition zone and waist zone are located in sealed cavity;Scattering medium substrate is fixed in sealed cavity, and the waist zone of micro-nano fiber is overlapped on scattering medium substrate, scattering medium substrate is used to receive evanescent field and is coupled leaky mode to obtain scattering pattern information;Wherein, in the direction parallel to waist zone, scattering medium substrate includes more than two scattering zones, and the light transmittance of each scattering zone is different, and the difference between maximum light transmittance and minimum light transmittance is 20%~80%.Speckle spectrometer using the coding element of the present application has the advantages of small size, low cost while high spectral resolution.

The invention discloses a dependency visualization method and device and a storage medium, and relates to the technical field of program analysis, and the method comprises the steps: obtaining and analyzing a metadata file, constructing a business element mapping relation based on the association between a code element and a use case as well as extension, then traversing all class files through a class reader, a method calling instruction list is generated based on the method calling information obtained through traversal and the business element mapping relation, and the method calling instruction list comprises a caller, a callee, a calling type and business target information; then, on the basis of the method calling instruction list, the method, the use case and the extension serve as nodes, the calling relation serves as an edge, and a graph data structure is constructed; and outputting the interactive dependency graph based on the graph data structure. According to the method, the technical effect of visually displaying the dependency relationship between the methods can be achieved.

The application provides a decoding method, an encoding method, a device, a chip and a computing device. The method comprises the following steps: a decoding device acquires a first matrix, and then decodes a first code word vector according to the first matrix to obtain a decoding result. The first matrix is a 0-1 matrix representing elements in a second matrix on a polynomial ring. The second matrix is a check matrix on a finite field 2q, and the number of rows is r and the number of columns is n. A first polynomial corresponding to the polynomial ring is a q-th irreducible polynomial on a binary field. The number of 1s in the first matrix is less than the number of 1s in the 0-1 matrix representation of the second matrix. The first code word vector comprises k information code elements and r check code elements, and n=k+r. Each code element comprises q data units, and each data unit comprises at least one bit. The scheme can effectively reduce the hardware implementation complexity and cost of RS encoding and decoding.

The application discloses a carrier Doppler frequency shift and code Doppler frequency shift simulation method and device. First, original optical carriers output by a light source module are received, and non-spur frequency shift of the original optical carriers is realized. A carrier Doppler frequency shift amount and a code Doppler frequency shift amount output by a synchronous control module are received. A periodic sawtooth wave signal frequency and a slope are updated based on the carrier Doppler frequency shift amount, and a frequency-shifted optical carrier signal is obtained. A sampling clock frequency is adjusted based on the code Doppler frequency shift amount, and a code Doppler simulation baseband code element signal is obtained. Finally, the code Doppler simulation baseband code element signal is loaded on the frequency-shifted optical carrier signal, an adjusted optical signal loaded with the optical carrier and the code Doppler frequency shift at the same time is obtained, and is output to a laser communication terminal to be measured. The problem of poor sufficiency of Doppler frequency shift simulation is solved.

The invention belongs to the field of distributed optical fiber sensing and coding and decoding, and provides a Brillouin optical time domain reflection signal decoding method and system based on rising edge assistance. The rising edge assistance-based Brillouin optical time domain reflection signal decoding method comprises the following steps: acquiring a time domain coding response signal corresponding to a coding pulse sequence injected into an optical fiber by a Brillouin optical time domain reflectometer; performing discrete Fourier transform on the time domain coding response signal to obtain a frequency domain coding response signal; according to the signal increment and the duration of the rising edge of the time domain coding response signal, reconstructing a decoding function and replacing the decoding function in the frequency domain coding response signal with the reconstructed decoding function; the decoding function is a sequence formed by a decoding weight corresponding to each code element; and performing inverse discrete Fourier transform on the frequency domain coding response signal to obtain a decoded signal. According to the method, the signal-to-noise ratio of the decoded SpBS signal can be remarkably improved, and the Brillouin frequency shift (BFS) extraction precision is enhanced.

The invention provides a test method and device, computer equipment and a readable storage medium, and the method comprises the steps: positioning a changed code element when to-be-tested software is updated, and carrying out the positioning of the changed code element based on the coverage rate of a test case under each code element and a weight value corresponding to each code element, according to the method, the test cases highly related to the updated code elements are screened from the global test case library, and the updated software is tested by using the screened test cases, so that the execution number of irrelevant test cases is reduced and the test efficiency is remarkably improved on the premise of ensuring that the updating function is fully covered; meanwhile, by introducing a code element weight mechanism, the core algorithm module and the key function module have higher priorities in the test case screening process, high-risk defects can be found preferentially, and the reliability and pertinence of test results are improved.

The invention relates to the technical field of data processing, and particularly provides a method, a system, equipment and a medium for restoring an unknown signal constellation diagram, and the method comprises the steps: carrying out the self-correlation calculation of an in-phase I-path component of a received signal, carrying out the spectrum analysis of a self-correlation result, so as to enhance a spectrum component corresponding to a symbol rate, estimating the code element rate of the signal from the frequency spectrum; based on the code element rate, analyzing energy change characteristics of I-path and orthogonal Q-path components of the received signal, and detecting and identifying a code element boundary position to obtain a code element boundary sequence; and for each code element interval divided by the code element boundary sequence, aggregating I-path and Q-path sampling values in a stable region of each code element interval to obtain constellation point coordinates corresponding to each code element, and generating a constellation diagram by all constellation points. According to the invention, clear and accurate constellation diagram recovery of various modulation signals, especially high-order QAM signals, under the condition of low signal-to-noise ratio is realized.

The invention relates to a coding and decoding method and device based on vector vortex light beam superposition, and the method comprises the following steps: S10, controlling a composite vector vortex light generation device to generate a plurality of vector vortex light beams according to a pre-constructed mapping coding scheme, and carrying out the superposition and coaxial transmission; s20, preprocessing a light intensity distribution image collected by a receiving end to form a light beam characteristic data set, inputting the light beam characteristic data set into a ResNet50-ECA model to carry out vector vortex light beam mode identification, mapping the identified mode into a corresponding binary code element according to the mapping coding scheme, reconstructing an original information sequence, and realizing decoding of information; the ResNet50-ECA model is a ResNet50 convolutional neural network model improved on the basis of an ECA mechanism. According to the invention, an improved ResNet50 convolutional neural network model based on an ECA mechanism is adopted to identify the light beam mode, and the mode identification capability can be improved.

The invention provides an information frame for network communication and an information frame analysis method and device. The information frame comprises lead code information and is used for identifying sequence code information of the information frame, the sequence code information comprises a mapping table in which a plurality of sequence codes correspond to a plurality of device addresses, each sequence code comprises a plurality of code elements, the plurality of code elements are arranged according to a preset change rule, and different sequence codes correspond to different preset change rules. The mapping table is configured to determine the relation of code elements in the sequence code according to a preset change rule when the equipment detects the lead code information, and determine the address of the equipment according to the relation of the code elements. In this way, the length of the information frame is remarkably shortened, the transmission and receiving time of the information frame is shortened, and the transmitting and receiving power is improved. The demodulation process of the information frame is simplified, the demodulation time is shortened, and the demodulation efficiency and the accuracy of the data obtained through demodulation are improved.

The invention discloses a visual characterization method for Hash mapping code peculiar smell to a 3D space, and relates to the field of software engineering. According to the method, accurate, unique and quality-associated characterization from code elements to a 3D space is realized through an algorithm link of associated code quality indexes, and the problems that traditional 2D visualization information is overloaded, 3D visualization has no quality association and calculation is complex are solved. According to the algorithm, code quality indexes serve as input, 3D space positions and visual attributes are output through calculation processing, and the real-time characterization requirements of a large-scale code library are met.

The invention relates to the field of oil-gas exploration, in particular to a sound wave communication method and system and a sound wave signal generating and receiving device. The method comprises the following steps: acquiring sending end communication data, and carrying out binary coding on the sending end communication data to obtain sending end code element data; for any sending end code element data, obtaining a sending end pseudo-random code corresponding to the sending end code element data based on a set corresponding relation; and modulating a fundamental wave signal based on the transmitting end pseudo-random code to obtain a communication signal, and transmitting a transmitting end sound wave signal based on the communication signal. According to the sound wave communication method and system, and the sound wave signal generating and receiving device provided by the invention, the technical effects of reducing the bit error rate of the sound wave signal and improving the sound wave communication quality and the communication result accuracy can be realized.

A code knowledge graph generation method and apparatus, a code generation method and apparatus, a device, and a medium, relate to the field of data processing, specifically the technical fields of intelligent search, human-computer interaction, artificial intelligence, and large language models. The specific implementation solution includes acquiring a code tree, where the code tree includes first code elements and a structural relationship among the first code elements, where the code tree is generated by performing content parsing on a source code; generating at least one first graph node according to the first code elements; generating a first graph edge between corresponding graph nodes according to the structural relationship; generating a code knowledge graph according to the at least one first graph node and the first graph edge.

The invention discloses a digital baseband communication receiving link circuit and a data receiving method, and relates to the technical field of data communication, the circuit comprises a downsampling module, a code element shaping module, a code element synchronization module, a decoding module and a CRC verification module; the down-sampling module comprises a CIC down-sampling circuit and a half-band filter down-sampling circuit; the code element shaping module comprises a delay circuit, a level comparison circuit and a level overturning circuit; the code element synchronization module comprises an interpolator circuit, an error detection circuit, a loop filter, a numerical control oscillator and a sampling decision circuit; the decoding module comprises a decoding state machine circuit and a data judgment circuit; and the CRC verification module comprises a CRC mode control circuit, a CRC (Cyclic Redundancy Check)-5 verification circuit and a CRC-16 verification circuit. According to the invention, the inter-symbol interference and the bit error rate caused by the synchronization error are reduced, so that the accuracy and the signal-to-noise ratio tolerance of the received data are improved on the whole.

The invention provides a homology detection method, device and equipment for large-scale codes, and relates to the technical field of code homology detection.The homology detection method comprises the steps that different code files contained in a large-scale code project to be detected and abstract syntax trees corresponding to the code files are obtained; for any code file, extracting a plurality of target code elements from the abstract syntax tree of the code file; a plurality of target code elements in the code file are converted into Token characters, and a converted first code is obtained; performing multi-level segmentation on the first code to obtain second codes of different levels; respectively extracting feature values of the code file and the second codes of different levels, and constructing code features of the to-be-detected large-scale code project; and comparing the code features with different code features in a configured code feature database to obtain a homology detection result of the to-be-detected large-scale code project. According to the invention, a homology detection result with relatively high accuracy can be obtained.

Embodiments of the present application provide a code generation method and device, electronic equipment and medium, relating to the technical field of artificial intelligence, and the technical solution comprises: obtaining a requirement text describing a target API interface, wherein the target API interface is an API interface in a business system to be written with code. Then the requirement text is analyzed to obtain function description information, parameter description information and interaction description information of the supported interaction of the target API interface. Then, based on the function description information, the parameter description information and the interaction description information, the implementation logic of the target API interface is determined, based on the code elements and the dependency relationship between the code elements recorded in the code context metadata of the business system, the code elements used to write the implementation logic are determined, and based on the determined code elements, the target API code of the target API interface is generated, wherein the code context metadata is generated based on the existing code of the business system. The efficiency of generating API code is improved.

The invention provides a request deduplication method, a test server and a storage medium, and relates to the technical field of data deduplication. The request deduplication method comprises the following steps: acquiring a target code element identifier called by a target request; generating a tree structure of the target request according to the target code element identifier; according to the tree structure of the target request, generating a target fingerprint identifier corresponding to the target request; and if the target fingerprint identifier is in a preset global fingerprint pool, determining that the target request is a duplicate request, and performing duplicate removal processing on the target request, the preset global fingerprint pool including preset fingerprint identifiers corresponding to a plurality of preset requests. Based on the tree structure of the target request, accurately generating a target fingerprint identifier corresponding to the target request; according to the preset global fingerprint pool and the target fingerprint identifier, duplicate removal processing is automatically, efficiently and accurately performed on the target request, and the target request is prevented from being duplicated, so that the invalid test execution frequency is reduced, the test period is shortened, and the test efficiency is improved.

The application discloses a Manchester decoding method and device and a battery management system applying the same. The Manchester decoding method comprises the following steps: obtaining a reference pulse width according to a synchronization code in Manchester coding; obtaining each first pulse width and each second pulse width according to data codes in the Manchester coding, wherein the first pulse width and the second pulse width are respectively used for representing the width between adjacent rising edges and the width between adjacent falling edges in the data codes; comparing the first pulse width and the second pulse width with the reference pulse width; and when the first pulse width or the second pulse width is greater than the reference pulse width, judging that the logic of two adjacent code elements corresponding to the first pulse width or the second pulse width is different, so as to decode the data codes. The Manchester decoding method in the application can well deal with the pulse width distortion of the signal received by the receiving end under the application condition of long-distance isolated communication, and the error code rate is small.

The invention discloses a self-adaptive decision feedback equalization circuit compatible with NRZ / PAM4 / PAM8 signals and a control method of the self-adaptive decision feedback equalization circuit. The circuit adopts a 1 / 4 rate structure and comprises an I path, a Q path, an IB path and an IQ path, each path comprises a comparator, a register, a CML to CMOS logic conversion circuit, a global clock alignment circuit, a decoding circuit, an adder circuit, an adaptive equalization coefficient generation circuit, an NRZ / PAM4 / PAM8 mode switching control circuit and a threshold voltage calibration circuit. The normal phase input end of the signal comparator is connected with an external NRZ / PAM4 / PAM8 data signal DA, the reverse input end of the signal comparator is connected with threshold voltage output by the threshold voltage calibration circuit, the output end of the signal comparator is connected with the input end of the register and is connected with the input end of the adaptive equalization coefficient generation circuit, and the control end of the signal comparator is connected with a control signal output by the mode switching circuit. And the output end of the register is connected with the input end of the CML-CMOS logic conversion circuit. The mode switching circuit and the adaptive implementation module are designed, so that the compatibility of the circuit to various code elements is realized, and the power consumption, the area and the corresponding bandwidth cost of a receiver are reduced.

The invention relates to the technical field of signal performance evaluation, in particular to a non-cooperative long code navigation signal performance evaluation method and related equipment, and the method comprises the following steps: obtaining a QPSK modulated non-cooperative long code navigation signal and a baseband code stream symbol; after the standard long code sequence is divided into equal-length signal segments, a sectional type parameter configuration correlation / integral method is used for capturing and tracking to obtain observed quantity information, and according to the standard long code sequence, the error performance of the non-cooperative signal code element sequence is evaluated, and the error rate and the position are counted; comparing the code element sequence after the baseband signal time domain waveform superposition with a local template, and evaluating time domain waveform distortion; the method comprises the following steps: quantifying non-cooperative signal channel characteristics, estimating digital distortion parameters through segmented accumulation of baseband signals, solving a response coefficient of an analog distortion filter by using a least square method, calculating an amplitude-frequency characteristic peak-to-peak value and a group delay variance, evaluating analog channel frequency response characteristics, and realizing accurate evaluation of non-cooperative long code signals.