14results about How to "Implement parsing" patented technology

The invention discloses an industrial control private protocol vulnerability mining method based on protocol analysis. The method comprises the steps of 1, preprocessing industrial control protocol flow data; and 2, analyzing the target protocol by using the byte change characteristics and the heuristic rule. And 3, generating a test case of the target protocol by using the analysis specification. And 4, reconstructing a protocol state machine by using the state conversion track of the flow, and guiding the protocol to reach a target state for testing. And 5, tracking the state of the detected target and monitoring and positioning the triggered vulnerability through a network. According to the method, the analysis accuracy of the private protocol specification can be effectively improved, the test case acceptance rate, the test target anomaly rate and the state coverage rate in the fuzzy test process are remarkably improved, and meanwhile, more protocol states can be efficiently tested under the condition of the same number of test cases so as to mine more potential vulnerabilities in the protocol.

This disclosure relates to a method, apparatus, device, medium, and vehicle for dynamic publishing and subscription of a DDS (Dynamic Distribution System). It is characterized by comprising: providing resources required to build a DDS entity; generating a unified interface dynamic library for the DDS entity based on the resources required by the DDS entity; during recording services, calling the unified interface dynamic library of the DDS entity by obtaining the topic name required for the recording service to achieve dynamic subscription; and / or during playback services, calling the unified interface dynamic library of the DDS entity by obtaining the topic name required for the playback service to achieve dynamic publishing. This disclosure addresses the shortcomings of dynamic publishing / subscription by providing a unified interface dynamic library without the user's awareness, achieving the same functionality using the same configuration file as dynamic publishing / subscription.

The application provides an air traffic control primary radar signal processing automatic test method and system, relates to the radar test field, and solves the technical problems of fragmentation of the prior art process, single evaluation dimension and poor traceability. The method specifically comprises: obtaining radar test data and structured test configuration; recursively analyzing the test configuration to generate an instruction set; loading data and executing signal replay according to the instructions to drive the software; synchronously collecting video data and processing results of each stage to form a multi-dimensional feature sequence; correlating and analyzing the two and extracting features to generate a holographic feature vector sequence; progressively comparing the sequence with a baseline determination model in layers to obtain a test determination result; integrating test item identifiers, video data, multi-dimensional feature sequences, holographic feature vector sequences and test determination results to record and generate a final test log report. An end-to-end automatic, multi-dimensional deep analysis and full-link evidence tracing radar automatic test method is realized.

Provided in the present text is an information processing method, device, equipment, medium and program product, relating to the computer art field. The method comprises: obtaining first information, the first information being used to represent information of a first subject, the first subject being created based on a first task; obtaining second information, the second information being provided by a first intelligent system and used to represent first response content of the first information, the first response content being obtained based on task data of the first task, the first intelligent system being determined based on an analysis result of a second intelligent system on an instruction, the instruction being used to indicate processing requirements of the first information; and displaying the second information. The problem that the first information is processed by the intelligent system specified by the user and responded to only through triggering the wake-up mode in the related art is solved, and the effect that the first information is automatically analyzed based on the intelligent system in a long-term collaboration task and responded to is achieved.

This invention discloses a PCIe switch with multiple non-transparent bridge ports, including non-transparent bridge ports and a main control module. The non-transparent bridge ports are used to parse PCIe data packets and set interrupt states according to feedback from the main control module. The main control module is communicatively connected to the non-transparent bridge ports and includes a doorbell register and / or temporary register for the non-transparent bridge ports to monitor the resource occupancy status of the non-transparent bridge ports, thereby effectively avoiding conflicts caused by multiple root unions accessing the same root union resource at the same time.

The invention provides an optical cable design intelligent drawing system and method based on fusion of multi-source acquisition data. Through combination of the large model processing layer and the core function layer, automatic analysis, association and compliance detection of the multi-source collection data are realized, the work of manually completing verification and compliance detection of the multi-source collection data in the prior art is replaced, and the manual workload is greatly reduced, so that the multi-source collection data verification and compliance detection can be realized in a complex scene, and the multi-source collection data verification and compliance detection efficiency is improved. Automatic processing can be completed based on the combination of the large model processing layer and the core function layer of the system, and the technical effect of improving the completion efficiency and precision is generated due to the reduction of the manual workload.

This application discloses a message parsing method, an electronic device, and a readable storage medium. The message parsing method includes: obtaining the remaining parsing length of the message to be parsed; if it is detected that the header length of the message to be parsed is less than the remaining parsing length, obtaining the data parsing parameters of the buffer segment where the current cursor of the message to be parsed is located; parsing the target data of the buffer segment where the current cursor is located according to the data parsing parameters, and parsing the message to be parsed by moving the current cursor within the message to be parsed to obtain the message parsing result. This application solves the technical problem of low parsing efficiency in message parsing.

The application discloses a kind of IEC104 protocol fast analysis device and method based on P4 programmable switch, device includes P4 programmable switch main body, protocol analysis unit, rule configuration unit, matching execution unit and unpacking unit;Hardware processing pipeline is equipped in P4 programmable switch main body, protocol analysis unit, matching execution unit, unpacking unit are sequentially arranged in the corresponding position of flow line and are connected, and rule configuration unit is connected with main body control plane in communication.This device cooperates through each unit, solves the drawbacks that existing software analysis delay is high, throughput is low, operation and maintenance are complex and traditional switch cannot be deeply analyzed, without additional deployment host, reduce cost and operation and maintenance difficulty, programmable and adapt to multiple business scenarios, meet the real-time performance, reliability requirements of new power system to communication.

This invention relates to a method for parsing a two-dimensional cube stacking diagram into a three-dimensional one, in the field of image recognition technology, comprising the following steps: S1: collecting data of the cube stacking diagram using an automated data acquisition module, forming a dataset and automatically creating a label file; S2: training a geometric target recognition module based on a BlockNet network using the dataset; S3: photographing the cube stacking diagram to be parsed, and using the trained geometric target recognition module to parse the geometric structure of the cube stacking; S4: sending the parsed geometric structure to an AR device for dynamic display.

This application discloses an optical acoustic wave measurement device, including a laser source, a frequency modulator, a circulator, a photodetector, an analog-to-digital converter, a microcontroller, a negative feedback unit, a digital-to-analog converter, an amplification and filtering unit, a collimator, and a resonant cavity. This application continuously modulates the output laser to generate a high-frequency carrier signal. The high-frequency carrier signal is used to shift the acoustic signal to be measured to a high frequency, avoiding interference from external noise during the measurement process. Finally, the acoustic signal to be measured is extracted from the carrier signal. This application uses a carrier wave to modulate the acoustic signal to be measured to an intermediate frequency, increasing measurement sensitivity and reducing interference from external noise. Simultaneously, a digital signal processing unit is used to perform signal analysis, resulting in a simple structure, strong adaptability, and strong anti-interference capability. Furthermore, the entire optical system is built using fiber optic devices, resulting in low loss and strong anti-interference capability.

The application discloses a signal analysis method, device and server. The method comprises the following steps: receiving a message signal output by a vehicle, segmenting the message signal to obtain a plurality of segmented signals. According to a set conversion relationship, vehicle data corresponding to each segmented signal of the plurality of segmented signals is obtained. According to the arrangement order of the plurality of segmented signals, the vehicle data corresponding to each segmented signal of the plurality of segmented signals is spliced to obtain state data of the vehicle. The signal analysis method, device and server provided by the application have high analysis efficiency.

The invention discloses a method for identifying a cross-page table in a document, which comprises the following steps of: detecting a table region in a document page picture, and cutting the table region to obtain a table picture; performing table structure identification on the cut table picture; setting the bottom of the first page as a first table and the top of the second page as a second table; the first page and the second page are front and back adjacent pages; and if the header of the first table and the header of the second table are completely the same, or the last line of the first table and the first line of the second table have the same table structure and the cell content of each same column belongs to the same entity category, judging that the first table and the second table are cross-page tables. According to the invention, cross-page table identification can be realized.

The application discloses a table analysis method and device, equipment and a storage medium. The method comprises the following steps: obtaining a target table to be analyzed; determining a plurality of header cells and a plurality of data cells contained in the target table; obtaining a hierarchical relationship between the header cells based on text information in the header cells; and obtaining a corresponding result between the data cells and at least one header cell based on the hierarchical relationship between the header cells. In this way, the application can analyze various tables, and has strong applicability and generalization ability.

The application discloses a message character data extraction method and device, a storage medium and an electronic device, and is applied to a data analysis chip. The data analysis chip is provided with a data transmission module, a data analysis module and a data processing module. The method comprises the following steps: a data transmission module detects a target network protocol used by a target data packet of to-be-extracted transmission information received by the data analysis chip; the data transmission module acquires a target interval set corresponding to the target network protocol from a network protocol and interval set having a corresponding relationship; a data analysis module extracts data of a character position indicated by the target interval set from the target data packet as transmission information of the target data packet on the target network protocol layer, and transmits the data of the character position to the data processing module. By adopting the technical scheme, the problems, such as low extraction efficiency of message character data in related technologies, are solved.