43results about How to "Simplify the parsing process" patented technology

The invention discloses a method for sending and receiving a down channel control signal and a device thereof. At a sending terminal: control information of each receiving terminal is coded and modulated to generate CCE, and control information in the CCE does not include chosen control information; CCEs of the receiving terminal having same chosen control information are regarded as one group, the CCEs in each group are performed the serial number, and indication information used for indicating the CCE number and choosing the corresponding relation of the control information is generated; after the indication information is code and modulated, which is mapped on a subcarrier together with the CCEs of the receiving terminal, and is sent out from a control channel after the post-treatment is completed. At a receiving terminal: the CCEs are detected on the control channel and the indication information is received; when the CCE sending to a user is detected, and the chosen control information of the user can be obtained according to the analyzed number of the CCE and the corresponding relation of the CCE number and the chosen control information. The invention reduces the cost of the control signal.

The invention discloses a method for resolving a root domain name. The method comprises the following steps that: a root server stores at least NS records of a root, a TLD, and a second-level domain name server; the root server is divided into two categories, A and B, according to the way of obtaining an NS record source of a DNS zone, and implements differentiated data management rules for two types of data; the root server adds a backup service record to verify the security level of the domain name to be queried; and the root server is divided into a main root server and a mirror root server, and implements different mirroring rules. According to the method for resolving the root domain name, the root server provides stored records of the roots and N-level subdomain authoritative queries, and ensures the record retention and update of the root independent operation, thereby providing localized root mirroring rules, reducing resolution latency, and improving security and stability.

The embodiment of the invention provides a log analyzing method and a log analyzing device. The log analyzing method provided by the embodiment of the invention comprises the following steps: collecting to-be-treated logs from heterogeneous data sources; converting the collected to-be-treated logs into standard logs meeting the requirement of a log template according to the log template; inputting the converted standard logs to a corresponding workflow, dispatching and analyzing; and outputting an analysis result. The technical scheme provided by the invention is beneficial to uniform analysis, dispatching and management for the logs; meanwhile, the logs are analyzed by adopting a uniform format; the analyzing process is simplified; the heterogeneity of the logs from different log sources is weakened.

The invention provides a method and device for realizing multi-stage electronic maps. The method for realizing the map comprises the steps that a station end scene is divided into multiple regional scenes with tree-shaped hierarchical relations, a picture of reach regional scene is collected and a corresponding electronic map document is generated, wherein the electronic map documents are stored in a station end system (S101); a main station system acquires the electronic map document corresponding to each regional scene of the station end scene from each station end system and stores the electronic map document in correspondence to each station end scene (S102); and the electronic map corresponding to each regional scene in the station end scene is checked by a station end scene (S103). The multi-stage electronic maps of the station end system can be saved, and the main station system can be used to check the multi-stage electronic maps of the station end systems across network systems. Hence, functions of an electronic map module are perfected, and usability is enhanced.

The invention discloses a data buffering method and system. The data buffering method includes that: a master control device issues configuration information to a communication expansion board which determines the number of lower-level modules according to the configuration information and initializes a buffering area; the communication expansion board checks lower-level module data at intervals of preset time and refreshes the lower-level module data to the buffering area; and the master control device checks the lower-level module data, and the communication expansion board feeds buffered module data back to the master control device. According to the data buffering method and system, internal memory can be reduced, timeliness is high, data checking of the master control device for the communication expansion board and data checking of the communication expansion board for the modules are independent mutually, and communication duration is saved.

The invention discloses a data analysis method. The data analysis method comprises the following steps: determining an equipment type corresponding to equipment for sending a data packet when receiving the data packet; determining attribute information corresponding to data of each location in a data area of the data packet according to the equipment type; and analyzing the data, and storing the analyzed data according to the attribute information. The invention discloses a data analysis device and a computer readable storage medium. The method disclosed by the invention is high in data analysis efficiency.

The invention relates to a method for recovering chloromethane from byproduct hydrochloric acid and a recovery device. The desorption temperature and low-pressure conditions of the method are met at the same time, so that the chloromethane in the byproduct hydrochloric acid is thoroughly separated; the purity of the chloromethane is greater than 98 percent; the hydrochloric acid mass concentrationis 20 to 25 percent; the chloromethane content is 100 ppm or below; the desorption process is simple; the operation is easy; chemical reagents are not needed; safety and environment protection are realized. The investment of the recovery device is low; the operation is easy; green and environment-friendly effects are achieved; the chloromethane in the byproduct hydrochloric acid can be effectively separated and recovered; the device is also applicable to the separation of other methane chlorides in the byproduct hydrochloric acid. The obvious technical economic benefits are realized.

The invention discloses an NVMe SSD PCIe data packet analysis method based on an FPGA, belonging to the technical field of storage. The invention solve the problems that a traditional PCIe data packetanalysis process is complex, and too many logic resources need to be occupied. By means of the characteristics of the TLP parameters of the received NVMe data packet and the change rule of the address, the data packet analysis process is simplified, and the type and the effect of the TLP packet can be accurately judged under the condition that the TLP address is not analyzed. The FIFO cache module formed by the Block Ram in the FPGA only needs to record the TLP parameters and the number fields. Compared with a traditional data analysis method, the simplification method provided by the invention can save 57% of logic resources while ensuring the function integrity of the data analysis module without recording the address of the TLP. The invention can be applied to the technical field of storage.

The invention belongs to the technical field of industrial internet, and discloses a multi-source heterogeneous industrial protocol message analysis method, system and device and a medium, and the method comprises the steps: managing input terminal information through a provided visual interface; after receiving input of an industrial protocol message, the preprocessing module removes an invalid message, inquires an industrial protocol name and an equipment ID corresponding to equipment according to an address and a label uploaded by an input terminal, submits the industrial protocol name and the equipment ID to the protocol matching module, and outputs the message to the message analysis module; the protocol matching module obtains an analysis script from a protocol analysis script database according to the industrial protocol name and the equipment ID submitted by the preprocessing module, and queries a corresponding ID industrial equipment data structure in a relational database; and the message analysis module operates the protocol matching module in the script engine to output a script so as to analyze the input message, formats the analyzed message data according to the data structure output by the protocol matching module, and stores the analyzed message data into a non-relational database. According to the invention, the large-scale industrial equipment access efficiency is improved.

The invention discloses a system and a method for generating and analyzing a verilog circuit netlist compiler, which can greatly reduce the workload of compiling the compiler, can optimize the analysis process in a targeted manner, improves the analysis efficiency, is simple in generation process, small in workload, clear in logic structure and high in expandability, and facilitates the development of subsequent layout and wiring and the like. The system comprises a Lex translator, a Yacc compiler and a C compiler. The Lex translator is configured to analyze the Lex source program into a lexical analyzer file compiled by C; the Yacc compiler is configured to analyze the grammar description file into a syntactic analyzer file compiled by C; and the C compiler is configured to generate an analytic verilog grammar compiler from the lexical analyzer file compiled by the C and the syntactic analyzer file compiled by the C.

The invention belongs to the technical field of credit investigation data processing, and particularly relates to a new credit investigation report PDF analysis method, processing and storage medium, a server responds to a credit investigation report query instruction, and a target credit investigation PDF file is obtained; and converting the target PDF file into a word document, and then converting the word document into an html (Hypertext Markup Language) document. According to the method, the credit report file can be automatically analyzed according to the information unit, the analysis result is analyzed to different information unit files, the information unit files can be automatically loaded to the temporary data area of the database, the analysis process of the credit report is simplified through automatic analysis and automatic loading, and the analysis efficiency is improved. The analysis efficiency of the credit report is also improved; according to the method, the corresponding analysis models are called for analysis through the credit reports of different document structure types, different formats and constantly changing modules are flexibly coped with, the analysis timeliness of the credit reports is improved, and the service requirements are met.

The invention discloses a carbon nanotube surface molecularly-imprinted solid phase extraction column for carbofuran. A carbon nanotube surface molecularly-imprinted material for selectively extracting and separating carbofuran from a biological sample is used as a filler to prepare the solid phase extraction column. The matrix of the solid phase extraction column is a carbon nanotube surface molecularly-imprinted polymer for carbofuran, the carbon nanotube surface molecularly-imprinted polymer for carbofuran is prepared through a molecular imprinting polymerization reaction on the surface ofthe carbon nanotubes and elution of template molecules, the volume of the empty tube of the solid phase extraction column is 1-5 ml, the filling height is 0.5-2.0 cm, and the empty tube is made from polypropylene. The carbon nanotube surface molecularly-imprinted solid phase extraction column has the characteristics of high selectivity to the target substance, high column capacity (20 [mu]g/g), good recovery rate (80-102%), low preparation cost, easily available materials, and suitableness for mass production, and has a good application prospect.