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52results about How to "Expand the scope of analysis" patented technology

Artificial intelligence-based intention analysis method and apparatus

The invention provides an artificial intelligence-based intention analysis method and apparatus. The method comprises the steps of receiving an input statement; obtaining an intention core word of the statement by utilizing a preset policy; obtaining an intention modifying word of the statement based on a syntactic structure tree according to the intention core word; and determining an intention of the statement according to the intention core word and the intention modifying word. Through the method and the apparatus, the intention analysis of query statements in the fields can be realized, the problem of limitation of the field of intention analysis in the prior art is solved, the intention analysis range is expanded, and the intention analysis efficiency is improved.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

DL-18 multi-element aluminium spectrum standard sample and its prepn

The present invention is DL-18 multiple-element aluminium spectrum standard sample and its preparation. The sample contains in pure aluminium 18 kinds of elements or partial of the elements, including Si, Fe, Cu, Mg, Mn, Ni, Zn, Ti, V, Pb, Sn, Ga, Cd, CE, CA, SB, Na and B. The addition method of its 10 kinds of elements is provided. The present invention expands the analysis range to aluminium material for meeting the need of developing new aluminium material.
Owner:SOUTHWEST ALUMINUM GRP

Argon ion polishing/scanning electron microscope analyzing and sampling method for shale samples

The invention discloses an argon ion polishing / scanning electron microscope analyzing and sampling method for shale samples including fragile shale core samples and rock debris samples. The method comprises steps of embedding, curing, cutting and polishing. By comparison with a traditional argon ion polishing / scanning electron microscope analyzing and sampling method, the analysis range of the samples is widened with the method, the shale core samples which are fragile in the cutting and sampling processes and the shale rock debris samples with smaller sizes can be analyzed, and meanwhile, the success rate of sampling is increased.
Owner:CHINA PETROLEUM & CHEM CORP

A data stream multidirectional processing system based on Flink

The invention relates to a data stream multidirectional processing system based on Flink, and relates to the technical field of real-time data processing. The invention provides a Kafka / Flink / Elasticsearch-based data stream processing system for processing multiple services by a single consumer, which can efficiently and accurately process large-scale data in real time. By utilizing high expansibility and high reliability of Kafka, data of a plurality of data sources can be accurately collected and summarized, and newly-added expansion is easy to realize;and the Kafka can perform persistence operation to persist the message to a disk, so that the probability of data loss is greatly reduced. Through the efficient combination of the flink and the Flink, the distributed type can be upgraded to a form of multi-consumption and multi-direction service data processing, the data processing capability of the flink serving as a consumer is greatly expanded, and meanwhile, the rapidity of calculation and storage is also ensured. The flink-based single consumer data stream processing system not only has excellent performance on a single node, but also can present amazing analysis efficiency ina distributed manner, so that the directional processing and analysis range of the traditional algorithm and the overall capacity of quick storage are expanded.
Owner:BEIJING INST OF COMP TECH & APPL

Planar slot array antenna mechanical and electronic comprehensive analysis method based on grid conversion

The invention discloses a planar slot array antenna mechanical and electronic comprehensive analysis method based on grid conversion and is used to solve the problems of the existing analysis method that antenna detail deformation information can not be applied, the structured grid is not matched with the electromagnetic grid, and the structural analysis is not connected with the electromagnetic analysis. The method is realized by the following steps: establishing a finite element model of structural parameters according to the structural parameters of an antenna, fining the grid of the finite element model; performing structural analysis to extract a deformed structural model; converting the tetrahedral body element of the structural model to the triangular surface unit; extracting and synthetizing the cavity model of the antenna; converting the cavity model to an electromagnetic analysis model; and performing electromagnetic analysis to obtain the electrical property of the antenna.The invention converts the structural grid of the planar slot array antenna to the electromagnetic grid, integrates the structural analysis and the electromagnetic analysis and obviously increases the analysis precision and efficiency of the antenna; and the method can be used in the analysis and design of the microwave frequency band planar slot array antenna, the reflector antenna and the filter.
Owner:XIDIAN UNIV

Method for Determination of Component Content in Iron Oxide Powder Using X-ray Fluorescent Tablet Method

InactiveCN102269719ASolve the problem that the content of components cannot be jointly determinedExpand the scope of analysisMaterial analysis using wave/particle radiationPreparing sample for investigationChemical compositionFluorescence
The invention discloses an X-fluorescence film-pressing method for measuring content of components in ferric oxide powder, which comprises the following steps of: A, preparing a standard sample film A; B, preparing a standard sample film B; C, preparing a sample film to be detected; and D, measuring the content of impurity components in the ferric oxide powder. By the method, a problem that the content of various components in the ferric oxide powder cannot be jointly measured is solved, the content of various components in the ferric oxide powder can be quickly and accurately measured, the method is quick and accurate, an analysis range of an X-fluorescence spectrograph is widened, and a production factory can timely master main chemical compositions of the ferric oxide powder so as to better control a production process. The method has good instructive significance for improving the grade of ferric oxide powder in a cold rolling plant. The method can be carried out by the conventional instruments and equipment, and has the characteristics of simple operation, simple implementation, and high accuracy and repeatability.
Owner:HBIS COMPANY LIMITED HANDAN BRANCH COMPANY

System and method for analysis of Martian mineral component by using double multiplexing laser spectrum

ActiveCN105372225AExpand the scope of analysisImprove the comprehensiveness of detectionRaman scatteringFluorescenceRotation control
The invention discloses a system and method for analysis of Martian mineral components by using double multiplexing laser spectrum. The system includes an optical head, a short wavelength spectrometer, a medium wave spectrometer, a long wavelength spectrometer, a calibration board bracket, a calibration board, a pointing mirror bracket, a two-dimensional pointing mirror, a two-dimensional rotation control component, a pointing mirror control cable and a load controller. Based on the system, the combined detection of atom and molecular can be achieved by combined detection of laser induced plasma spectroscopy and laser Raman spectroscopy. The invention provides a double multiplexing laser spectrum detection system and method; a same pulse laser source and three frequency multiplication modules are used to realize the multiplexing of light sources; and short, middle and long wave spectrometers in the same length and the corresponding spectrum ICCD area array detectors are used to achieve the multiplexing of beam split and spectral detection. In addition, remote micro area imaging and laser self-focusing function are achieved to share a main optical path. The invention effectively expands the scope of Martian mineral analysis, and the system is compact and convenient, reduces the fluorescence interference and improves the comprehensiveness of molecular detection.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI

Full-automatic headspace sampling device

InactiveCN107014938AGood injection repeatabilityEasy to handleComponent separationGas phaseBottle
The invention discloses a full-automatic headspace sampling device which comprises a sampling needle, a heating furnace, a sample bottle lifting mechanism, a six-way valve, a gas quantifying cup, a pressurizing control valve, a release control valve, a gas phase carrying interface, a gas chromatograph interface and a controller, wherein the sample bottle lifting mechanism is used for driving a sample bottle to move to be in a waiting position, a heating position or a sampling position; the six-way valve has six connection interfaces and can be rotated; and the controller is used for controlling the sample bottle lifting mechanism to drive the sample bottle to move to the heating position from the waiting position after sampling action is completed, used for driving the sample bottle to move to the sampling position from the heating position after heating is completed, or used for driving the sample bottle to the waiting position from the sampling position after sample feeding action is completed. The full-automatic headspace sampling device provided by the invention can completely meet daily analysis requirements of laboratories of common medicine monitoring, environment protection and the like, and is an ideal tool for directly and efficiently extracting volatile organic compounds from any non-volatile organic matters and for feeding samples to gas chromatography analysis.
Owner:BCTTECH

Mars material composition testing system and method based on active/passive combined spectrum technology

The invention discloses a mars material composition analyzing system and method adopting an active / passive combined spectrum technology. The system comprises an optical head, a short wave spectrometer, a medium wave spectrometer, a long wave spectrometer, an infrared AOTF spectrometer, a calibration plate, a two dimensional pointing mirror, a pointing mirror control cable, and a load controller. The system can cooperate with an active laser spectrum and a passive infrared spectrum technology to detect atoms, symmetrical molecules, and asymmetric molecules of mars. The active LIBS spectrum detection can quantitatively and qualitatively analyze atoms of a substance. The active time domain laser Raman detection can quantitatively and qualitatively analyze symmetric molecules of a substance. The passive infrared spectrum detection can quantitatively and qualitatively analyze asymmetric molecules of a substance. The active spectrum and passive spectrum are combined to synchronously detect atoms, symmetric molecules, and asymmetric molecules of substances so as to classify and recognize rocks, soil, and minerals in mars. The provided system and method enlarge the analysis range of substances in mars, and the system is compact and convenient.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI

Preparation and characterization method of precious metal ultrafine wire EBSD test sample

The invention relates to a preparation and characterization method for a precious metal ultrafine wire EBSD test sample. The comprises the steps: stretching a precious metal ultrafine wire sample andbonding the precious metal ultrafine wire sample to the top end of the inclined surface of a double-inclined sample table; placing the precious metal ultrafine wire sample in a sample bin to select asample section preparation and test area; tilting the sample table, carrying out carbon plating treatment, ion beam cutting and ion beam surface polishing treatment on the sample in the field of viewto obtain a cross section observation sample of the noble metal ultrafine wire without surface stress, and observing and obtaining a microstructure morphology image of a wire cross section observationarea through ion beam channel contrast imaging; tilting the double-tilting sample table until the angle between the observation section and the incident electron beam is 70 degrees, and performing electron back scattering diffraction detection on the section of the ultrafine wire through a CCD detector to obtain an EBSD image and a crystallography signal of the section of the sample micro-area. The EBSD and the ion beam channel contrast image are combined to provide more systematic and comprehensive data support for microcell analysis of precious metal ultrafine wires, and the comprehensive analysis range of samples can be expanded.
Owner:GUIYAN DETECTION TECH YUNNAN CO LTD

Characteristic analysis method for capacitive micromachined ultrasonic transducer

The invention provides a characteristic analysis method for a capacitive micromachined ultrasonic transducer (CMUT), which aims at performing effective analysis on displacement, acceleration, sound pressure characteristics and receiving characteristics under the circumstances of different emission signals. The characteristic analysis method for the CMUT comprises the step: firstly establishing an infinitesimal state equation SIMULINK model of the CMUT in an emission state and an infinitesimal state equation SIMULINK model of the CMUT in a receiving state, wherein the infinitesimal state equation SIMULINK model of the CMUT in the emission state comprises a CMUT vibration system module and an electrostatic force module, and the infinitesimal state equation SIMULINK model of the CMUT in the receiving state comprises a CMUT vibration system module, an electrostatic force module and a current output module; the electrostatic force module calculates an electrostatic force Fe by determining parameters, such as driving voltage V, an initial gap g0 between an upper electrode and a lower electrode, and displacement; by determining parameters, such as the electrostatic force Fe, equivalent mass, equivalent spring constant K and equivalent impedance R, the CMUT vibration system module establishes a lumped parameter system, calculates vibration displacement and vibration velocity, and outputs the displacement as feedback quantity to the electrostatic force module, thereby multiplying vibration velocity and radiation resistance to calculate sound radiation pressure.
Owner:ZHONGBEI UNIV

Multi-target material X light tube

The invention discloses a multi-target material X light tube, relating to the technical field of X-ray light tubes in an X fluorescence analyzer. The multi-target material X light tube comprises a shell, high pressure oil, a glass tube, a cathode, an anode target, an anode, electron beam, X-ray and an X-ray window, wherein the cathode and the anode are respectively arranged at both ends of the glass tube in which vacuum is formed; the anode target is arranged at an end face of the anode which is close to the cathode; the electron beam ejected by the cathode ejects on the anode target to form X-ray which passes through the X-ray window; the anode target consists of a plurality of small target faces; and at least one magnet and an automatic light spot locating device are arranged around theperiphery of the X-ray window. The invention aims at providing a multi-target material X light tube of which the target face consists of multiple target materials, with high target face use ratio, increased analysis range and improved service life of the target face.
Owner:JIANGSU SKYRAY INSTR

Method for searching for new mutation/SNP locus based on double-nucleotide pyrosequeneing-by-synthesis

The invention discloses a method for searching for a new mutation / SNP locus based on double-nucleotide pyrosequeneing-by-synthesis. According to the method, PCR is conducted on the genomic DNAs of a known sequence sample and a mixed sample, pyrosequeneing is conducted on obtained single-stranded PCR products according to a specific double-nucleotide adding method, each sample acquires two groups of double-nucleotide pyrosequeneing-by-synthesis information, and correction is conducted; the two groups of corrected mixed sample sequencing information are compared with the two groups of corrected known sequence sample sequencing information; if neither the two groups of mixed sample sequencing information nor the two groups of known sequence sample sequencing information are changed, it is indicated that the mixed sample sequencing information is consistent with the known sequence sample sequencing information, and no new mutation / SNP locus exists; if the mixed sample sequencing information is different from at least one of the two groups of known sequence sample sequencing information, it is indicated that the mixed sample sequencing information is not totally consistent with the known sequence sample sequencing information, and it shows that a new mutation / SNP locus exists.
Owner:SOUTHEAST UNIV

Association rule optimization algorithm of subjective interest measures on mass data sets

ActiveCN103810371ARealize the final interest rankingImprove convenienceSpecial data processing applicationsData setAlgorithm
The invention provides an association rule optimization algorithm of subjective interest measures on mass data sets. According to the algorithm, composite templates are used for simultaneous optimized analysis and is divided into an overall impression knowledge template (GI) and a relative precise knowledge template (RPC); due to the classification, the user implication expression range is extended, optimization for association rules from different focuses is facilitated; besides, template limiting and containing functions are turned to be reflected on different interest measures which are refined into four types including consistency, consequent unpredictable degree, antecedent unpredictable degree and unpredictable degree, so that the optimization is quite clear; and interest measure calculation models of the composite templates are optimized and combined, and calculation of the interest measures can adapt to a composite analysis environment reasonably.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Eye motion track characteristic extracting method, device thereof and storage medium

The invention provides an eye motion track characteristic extracting method, a device thereof and a storage medium. The method comprises the steps of acquiring Q gazing point data of a to-be-detectedinterface, wherein Q is a positive integer which is higher than 2, wherein the gazing point data are acquired according to the staying time of a human eye observation position; acquiring the Q acquired gazing point data, generating directional lines which are respectively formed by two continuous gazing points; acquiring an included angle which is formed by two continuous directional lines, comparing the acquired included angle with a preset included angle, and if the acquired included angle is not in the range of the preset included angle, extracting and marking two lines which form the included angle as a first extracted track characteristic. Through acquiring the eye motion gazing data, the data which violate a common browsing habit are analyzed; the gazing points or gazing areas whichare suspected violating the browsing habit are marked; and an image which can be used for defining an interface designing problem is generated, thereby facilitating data analysis of a displaying interface and reducing workload in artificial analysis.
Owner:CHINA CONSTRUCTION BANK

Reason analysis method for danger source based on weighted multi-population particle swarm optimization (PSO)

The invention provides a reason analysis method for a danger source based on weighted multi-population PSO. Reason analysis for the danger source is considered as a process of association rule mining. A concept of project weight is introduced in a data preprocessing stage, and a concept of the project set range is redefined. In the process of association rule mining, an association rule mining algorithm based on weighted multi-population PSO is provided, the algorithm introduces an inter-population communication mechanism on the basis of multi-population coordinated PSO, the population diversity is improved, and the defect that the algorithm tends to a local optimal solution is overcome. A concept of particle weight is introduced, so that algorithm can be used to select a rule which is more significant for users. Thus, the reason analysis accuracy and efficiency of the danger source are improved, the range of danger source reason analysis is broadened, and the complexity of danger source reason analysis is reduced.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Split gas sample injection device

The invention relates to a split gas sample injection device which is used for analysis of total sulfur in gas of a petrochemical enterprise, a pressure stabilizing valve is arranged on a sample injection carrier gas pipe, two communicated three-ways are arranged on a conveying pipe, the first three-way is provided with a device for regulating the split ratio, the second three-way is provided with a carrier gas flow rate regulating and pressure stabilizing device for regulating the conversion rate of an instrument, and an outlet of the second three-way is communicated with a gas analyzer. The split gas sample injection device can analyze a variety of gas samples with different sulfur contents by taking a gas sample injection device, a liquid standard sample and the instrument as parameters, thereby expanding the analysis range of the sulfur content in the gas, simplifying the operation, improving the analysis speed, saving the time for debugging the instrument, saving the cost for purchasing the liquid standard sample and the instrument and reducing the production cost.
Owner:CHINA PETROLEUM & CHEM CORP

Method for quantitative determination on methylation by two-nucleotide synthesis pyrosequencing

The invention discloses a method for quantitative determination on methylation by two-nucleotide synthesis pyrosequencing. The method comprises the steps of performing two-nucleotide synthesis pyrosequencing on a PCR product generated by converting a gene group DNA (deoxyribonucleic acid) through a hydrosulphite, and continuously recording each sequencing reaction to acquire sequencing encoding information including types of two nucleotides and a nucleotide synthesis number thereof. Basic groups C in all CG locuses in a determined target area sequence are converted into T with different degrees, and then correlation analysis is performed by using the information acquired by two-nucleotide synthesis pyrosequencing, thus realizing quantitative determination on methylation in the target area sequence. The method can greatly improve a sequencing length, widens the analysis range of traditional pyrosequencing, and is suitable for methylation analysis of single-sample PCR products and mixed-sample PCR product sequences.
Owner:SOUTHEAST UNIV

Planar slot array antenna mechanical and electronic comprehensive analysis method based on grid conversion

The invention discloses a planar slot array antenna mechanical and electronic comprehensive analysis method based on grid conversion and is used to solve the problems of the existing analysis method that antenna detail deformation information can not be applied, the structured grid is not matched with the electromagnetic grid, and the structural analysis is not connected with the electromagnetic analysis. The method is realized by the following steps: establishing a finite element model of structural parameters according to the structural parameters of an antenna, fining the grid of the finite element model; performing structural analysis to extract a deformed structural model; converting the tetrahedral body element of the structural model to the triangular surface unit; extracting and synthetizing the cavity model of the antenna; converting the cavity model to an electromagnetic analysis model; and performing electromagnetic analysis to obtain the electrical property of the antenna.The invention converts the structural grid of the planar slot array antenna to the electromagnetic grid, integrates the structural analysis and the electromagnetic analysis and obviously increases the analysis precision and efficiency of the antenna; and the method can be used in the analysis and design of the microwave frequency band planar slot array antenna, the reflector antenna and the filter.
Owner:XIDIAN UNIV

X-fluorescence film-pressing method for measuring content of components in ferric oxide powder

InactiveCN102269719BSolve the problem that the content of components cannot be jointly determinedExpand the scope of analysisMaterial analysis using wave/particle radiationPreparing sample for investigationChemical compositionFluorescence
The invention discloses an X-fluorescence film-pressing method for measuring content of components in ferric oxide powder, which comprises the following steps of: A, preparing a standard sample film A; B, preparing a standard sample film B; C, preparing a sample film to be detected; and D, measuring the content of impurity components in the ferric oxide powder. By the method, a problem that the content of various components in the ferric oxide powder cannot be jointly measured is solved, the content of various components in the ferric oxide powder can be quickly and accurately measured, the method is quick and accurate, an analysis range of an X-fluorescence spectrograph is widened, and a production factory can timely master main chemical compositions of the ferric oxide powder so as to better control a production process. The method has good instructive significance for improving the grade of ferric oxide powder in a cold rolling plant. The method can be carried out by the conventional instruments and equipment, and has the characteristics of simple operation, simple implementation, and high accuracy and repeatability.
Owner:HBIS COMPANY LIMITED HANDAN BRANCH COMPANY

Multifunctional cell analysis system

The invention provides a multifunctional cell analysis system, and belongs to the field of tiny object detection and analysis equipment. The analysis system comprises a background server and a plurality of microscopes in communication connection with the background server; the microscope is provided with an upper computer, and the upper computer is used for controlling the microscope to observe ato-be-detected sample and then uploading observation data to the background server; the background server is provided with a plurality of software packages, and each software package is used for analyzing a certain specific type of to-be-tested sample; through operation on the upper computer, the use permission of the software package matched with the to-be-tested sample can be obtained; and the background server analyzes the observation data to obtain an analysis result. According to the invention, the software and hardware are separated, and the software package on the background server canbe remotely updated, so that the cell analysis range which can be completed by a local user is expanded.
Owner:湖南伊鸿健康科技有限公司

ACL template dynamic configuration method and device

The present invention provides a dynamic configuration method and device for an ACL template, which relates to the technical field of communication, including: firstly responding to an adding event for a target service, acquiring attribute information of the target service, and registering the target service according to the attribute information; , the attribute information includes the resource information of the target service and the address space information required when the target service is parsed; then determine the position information of the target service in the preset ACL template according to the address space information; The ACL template is configured to be updated to obtain a target ACL template; wherein, the target ACL rule represents an ACL rule corresponding to resource information. The invention customizes the configuration and updates the preset ACL template according to the actual requirement of the target service, improves the use efficiency of the target ACL template, and thus increases the parsing range of the target ACL template for the target service.
Owner:杭州迪普信息技术有限公司

OD matrix-based specific time multi-traffic-mode travel distribution analysis method

The invention discloses a specific time multi-traffic-mode travel distribution analysis method based on OD matrix backstepping, and belongs to the field of traffic planning. The method comprises the following steps: (1) selecting a research area and a specific time period; (2) dividing traffic zones of the research area; (3) carrying out questionnaire survey and establishing a travel database; (4) calculating an initial matrix of travel distribution of various traffic modes; (5) collecting motor vehicle traffic volume data of key road sections; (6) calculating the equivalent total traffic volume of motor vehicles on the key road section; (7) calculating a motor vehicle traffic mode equivalent total travel distribution initial matrix; (8) calculating a motor vehicle traffic mode equivalent total travel distribution matrix; and (9) calculating a travel distribution matrix of various traffic modes. According to the method, questionnaire survey and road section traffic volume data acquisition are closely combined in the aspects of traffic occurrence time, space, traffic modes and the like, and spatial distribution of various traffic modes in a specific time period can be analyzed more accurately.
Owner:SOUTHEAST UNIV

Remote education big data security early warning method and system based on cloud platform

The invention discloses a remote education big data security early warning method and system based on a cloud platform. The method comprises the following steps: obtaining first course online student information according to first course information; acquiring student learning record information according to the first course online student information; inputting the student learning record information and the preset sensitive word information into a word screening model to obtain a first screening result; obtaining a first word safety evaluation value according to the first screening result and the sensitive word safety coefficient; when the first word safety evaluation value exceeds a preset threshold value, obtaining first student information according to the first screening result; obtaining a first student learning data set through the cloud platform; obtaining a first student safety evaluation value according to the first student learning data set; and when the first student evaluation result exceeds a predetermined threshold value, obtaining safety early warning information. The technical problem that in the prior art, information security in the remote education process cannot be effectively maintained due to the fact that remote education objects cannot be directly supervised is solved.
Owner:汇正(广州)企业管理咨询有限公司

Dynamic Particle Image Particle Size Particle Shape Analyzer and Method with Scanning and Stitching

ActiveCN105181538BImprove clarityJudgment clarity in real timeParticle size analysisImaging analysisGranularity
The invention relates to a granularity and particle form analyzer and with scanning and splicing functions for a dynamic particle image and a method. An X-axis moving mechanism and a Y-axis moving mechanism are respectively mounted on a microscope stage transversely and longitudinally; a Z-axis moving mechanism is mounted on a microscope stand; a CCD camera is mounted at a third eye position of a microscope, and the data wire of the CCD camera is connected to a computer. The method comprises the following steps: controlling the microscope stage by the computer to move in three directions, namely X direction, Y direction and Z direction, and judging the definition of the image in real time; splicing the image to form a panoramic image for analysis, and realizing particle image analysis; controlling the X axis and the Y axis of the platform by the computer to move to realize multi-thread analysis of a picture, and thus carrying out independent and quick analysis on the panoramic image. According to the granularity and particle form analyzer and the method, the shortcomings caused by a manual microscope are overcome, the measurement precision is improved, the image definition is improved, the problem that the analysis site range is limited is solved, real-time automatic focusing of the image is realized, and the image is the most clearest all the time.
Owner:深圳市百利特科技有限公司

ACL template dynamic configuration method and device

The invention provides an ACL template dynamic configuration method and device, and relates to the technical field of communication, and the method comprises the steps: obtaining the attribute information of a target service in response to an adding event for the target service, and registering the target service according to the attribute information, wherein the attribute information comprises resource information of the target service and address space information required when the target service is analyzed; determining position information of the target service in a preset ACL template according to the address space information; and finally, according to the target ACL rule and the position information, performing configuration updating on a preset ACL template to obtain a target ACL template. The target ACL rule represents an ACL rule corresponding to the resource information. According to the invention, the preset ACL template is configured and updated in a user-defined manner according to the actual demand of the target service, so that the use efficiency of the target ACL template is improved, and the analysis range of the target ACL template to the target service is increased.
Owner:杭州迪普信息技术有限公司

Artificial intelligence-based intent analysis method and device

The present invention proposes an artificial intelligence-based intent analysis method and device, wherein the method includes: receiving an input sentence; using a preset strategy to obtain the intent core words of the sentence; according to the intent core words, obtaining the intent of the sentence based on a syntactic structure tree Modifiers; determine the intent of the sentence based on the core words of intent and modifiers of intent. The invention can realize the intent analysis of query sentences in various fields, solve the problem of limited intent analysis field in the prior art, expand the range of intent analysis, and improve the efficiency of intent analysis.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

A method for quantitative detection of methylation by pyrosequencing

The invention discloses a method for quantitative determination of methylation through pyrosequencing. According to the method, PCR products of the genome DNA obtained through conversion of the hydrosulphite rapidly pass through areas 'A', 'G' and 'T' in the DNA template sequence according to two specific nucleotides, while dGTP is added into a measurement DNA template sequence for being subjected to pyrosequencing through a 'C' content method, and each sequencing reaction is continuously recorded to obtain information, namely, the encoding information of synthesis number of the two nucleotides and the information of the synthesis number of dGTP are obtained, through the setting that basic groups C in all the GC sites in the determined object region sequence are converted into T at different degrees, then the information of the synthesis number of dGTP is utilized, so that the quantitative analysis on the methylation sites in the object region sequence is realized. According to the method provided by the invention, the sequencing length can be greatly improved, the analysis range of the traditional pyrosequencing is expanded, and the method is suitable for methylation quantitative analysis for sequences of single-sample PCR products and mixed-sample PCR products.
Owner:SOUTHEAST UNIV

Comprehensive electromechanical analysis method of reflector antenna based on error factor

The invention discloses a comprehensive electromechanical analysis method of a reflector antenna based on error factors, which is used for solving the problems that unsatisfactory models can not be analyzed and manufacture errors, random errors, and system errors in the analysis process can not be implemented with the traditional analysis method. The comprehensive electromechanical analysis method comprises the following steps of blending the manufacture errors into structural parameters for carrying out geometric modeling; implementing environmental load, controlling the system errors, and accomplishing structure analysis to obtain a transformed structure model; transforming the transformed structure model to an electromagnetism analyzing model by model transformation; and carrying out electromagnetic analysis to obtain the electrical performance of the reflector antenna. The comprehensive electromechanical analysis of the reflector antenna can be finally realized by the system analysis flow of the method. With the method, the manufacture errors, the system errors and the random errors are introduced into the antenna analysis process and the analysis precision and efficiency of the antenna are obviously enhanced, and the method can be used in the analysis and the design work of a microwave frequency band reflector antenna, a planar slot array antenna and a filter.
Owner:XIDIAN UNIV
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