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50 results about "Subject analysis" patented technology

Subject Analysis. Subject analysis of an item influences the classification and subject headings. It also may indirectly affect some notes. Classification serves the general purpose of keeping maps of a general area and/or subject together in the collection.

Satellite overall plan confirmation system based on multidisciplinary optimization and realization method

The invention discloses a satellite overall plan confirmation system based on a multidisciplinary optimization and a realization method. The satellite overall plan confirmation system comprises a satellite total technical index extraction module, a satellite total technical index distribution module, each subsystem technical requirement formation module of a satellite, a satellite system design subject decomposition module, a design structure matrix generation module, a satellite system design subject analysis modeling module, a satellite system optimal modeling module, a model simplification module, a two-stage collaborative optimization modeling module, a collaborative optimization solving module, a satellite total technical index database, a model number base line design database, a design parameter library, a model library and a satellite overall plan parameter output module. The multidisciplinary design optimization of the satellite overall plan is realized by system index extraction, design task subject decomposition, design subject analysis modeling, design structure matrix construction, satellite overall plan multidisciplinary design optimization description, model simplification and two-stage collaborative optimization modeling and solving.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY

Undesirable image detecting method based on connotative theme analysis

The invention discloses an undesirable image detecting method based on connotative theme analysis, which is substantially used for solving the problem of wrong judgment on normal images resulting from semantic information consideration failure in the present undesirable information detecting method. The scheme is as follows: extracting a skin region of an image by a double-blending Gaussian model; generating a codebook base containing distinguishing features in the skin region by a word bag model, and representing each training image to a group of word co-occurrence vectors with weights via aword frequency-inverse identification file frequency method; forming all co-occurrence vectors to a co-occurrence matrix, performing LDA model creation on the co-occurrence matrix to obtain the themeof the image; inputting the mixed theme of the training image in a BP neural network to train an undesirable image classifier; and obtaining the theme of an image to be measured, inputting the theme to the undesirable image classifier, and judging whether the theme is an undesirable image so as to finish the undesirable image detection. As shown in the test, the invention can be used for better distinguish the undesirable images and the normal images, so that the invention can be used for filtering the erotic information in the images.
Owner:XIDIAN UNIV

Power grid equipment monitoring oriented multi-subject intelligent integrated alarm analysis method

The invention relates to a power grid equipment monitoring oriented multi-subject intelligent integrated alarm analysis method which comprises the steps that (1) alarm information is subscribed, and classified by taking an interval as a unit; and (2) when a certain interval is accessed, the following subject data is provided for selection: 1) corresponding wiring diagram data is obtained according to the accessed interval; 2) holographic telemeasuring data of a key parameter of the interval within a period before and after the generated time of the alarm information is acquired according to the interval to which the alarm information belongs; 3) the latest alarm information of the interval is obtained according to the interval to which the alarm information belongs; 4) listing information of the interval is obtained according to the interval to which the alarm information belongs; and 5) equipment electric parameter static information and equipment overhaul records of the interval are obtained according to the interval to which the alarm information belongs. The multi-subject analysis and statistical method provides a quicker and richer means for dispatching automation personnel to check and analyze the alarm information generated during power grid running and for overall monitoring on equipment.
Owner:SUZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +3

Business operation intelligent decision support system and method thereof

InactiveCN106056292AImprove parallel computing capabilitiesImplement updateResourcesIntelligent decision support systemSubject analysis
The invention relates to a business operation intelligent decision support system and a method thereof. The business operation intelligent decision support system comprises a data warehouse module, a statistical analysis module, a front-end display module and a system management module. The data warehouse module is used for organizing and normalizing source data of the existing service systems, and finally forming data required for operation analysis. The data warehouse module extracts data in service systems by adopting a method of directly extracting the data or extracting the data after processing the data acquired locally into files. The statistical analysis module is used for processing and refining the service system source data for data conditions of profit points and the service systems, so as to form statistical analysis elements oriented to different user analysis levels. The system management module is used for providing necessary management and monitoring functions, realizing management and monitoring of operation analysis systems at various levels, and guaranteeing stability of the systems. The front-end display module is used for providing flexible and diversified presentation modes for each subject analysis, and sending out early warning for abnormal analysis results.
Owner:WUHAN TEMO WELDING CONSUMABLES CO LTD

Comprehensive assessment method based on effect of distribution type electrical connection on power distribution network

The invention discloses a comprehensive assessment method based on the effect of a distribution type electrical connection on a power distribution network. The comprehensive assessment method is characterized in that a comprehensive assessment index system of the effect of the distribution type electrical connection on the power distribution network, three-level index values under different distribution type electrical connection schemes are worked out by analyzing the power distribution network including a distribution type power source, a standard decision matrix of an assessment index is established, the weight coefficients of a one-level index, a two-level index and a three-level index are respectively obtained, accordingly, the comprehensive weight coefficient is determined, the comprehensive assessment satisfaction degrees of different distribution type electrical connection schemes are finally worked out, and the scheme with the largest comprehensive assessment satisfaction degree serves as the optimal distribution type electrical connection scheme. The comprehensive assessment method avoids the insufficient data information amount probably occurring through the single utilization of the object analysis method and also avoids the subject randomness of direct utilization the subject analysis method, and complex links of detecting and judging the matrix consistency are reduced while the judging fuzziness of people is taken into consideration.
Owner:HEFEI UNIV OF TECH

Satellite system multidisciplinary optimization method based on multi-model fusion

ActiveCN110276159AOvercoming problems such as low confidenceOptimizing Design VariablesDesign optimisation/simulationConstraint-based CADAnalytic modelSubject analysis
The invention discloses a satellite system multidisciplinary optimization method based on multi-model fusion, and belongs to the field of spacecraft system design. The implementation method comprises the following steps: establishing a satellite system key subject analysis model, and optimizing a design variable by taking the satellite system quality as an objective function; in order to improve the solving efficiency of the system scheme optimization problem, a high-precision model and a low-precision model of the geosynchronous orbit transfer subject and the satellite platform structure subject are established, and a Co-kriging agent model is used for fusing model data with different precisions;, sequence filling sampling is carried out through multi-objective optimization with the expected improvement degree and the feasibility probability being comprehensively considered, then the design space is fully explored, and the Co-kriging agent model is updated and managed, so that a scheme which meets the task requirements of the satellite system and has the minimum total mass of the satellite is efficiently obtained, the calculation cost of satellite system optimization is reduced, and the optimization efficiency is improved. The method is helpful for solving the technical problems in other related engineering fields.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +1

Software clustering-based source code function search method

ActiveCN106202206APrecise class structure informationAccurately complete the clustering functionOther databases indexingSpecial data processing applicationsSubject analysisSystem maintenance
The invention provides a software clustering-based source code function search method. The method comprises the following steps of: inputting a source code; carrying out grammar inspection on the source code and acquiring class information of the source code; and completing a search process through two modules, wherein the two modules comprise a software clustering module and a function search module, the software clustering module is used for screening an entity from acquired class information, constructing an entity index, extracting a feature, constructing a feature vector, screening information through hierarchical clustering, and storing a result, and the function search module is used for constructing an input set from the acquired class information, completing subject analysis, constructing an index and storing the index. The method provided by the invention can effectively enhance the software clustering result, and has good guiding function in the aspects of practical source code reading and system maintenance. Developers can use the method to guide the previous exploration, accelerating project understanding and enhance the development efficiency. And through further development, the method can be used for completing the multiplexing of function modules.
Owner:HARBIN ENG UNIV

Satellite constellation system multidisciplinary design optimization method based on agent model

InactiveCN109977576AOvercoming problems such as low design confidenceOptimizing Design VariablesCharacter and pattern recognitionDesign optimisation/simulationSystems designSubject analysis
The invention discloses a satellite constellation system multidisciplinary design optimization method based on an agent model, and belongs to the field of spacecraft constellation application. The method comprises the steps of on the basis of the Walker-delta constellation configuration and a small-sized earth observation satellite structure, establishing a key subject analysis model of the satellite constellation system by comprehensively considering the design requirements of the constellation configuration and a satellite subsystem; adopting a sequence radial basis function based on a support vector machine and a discrete-continuous variable sampling method and taking the satellite constellation system mass as an objective function to optimize a preselected design variable; mapping thediscrete variables in a continuous space through a discrete-continuous variable sampling method; replacing an original analysis model with an RBF agent model; identifying an interest interval by adopting an SVM (support vector machine), and performing sequence sampling in the interval to update and manage an RBF agent model, so that a design scheme which meets the requirements of constellation configuration and a satellite subsystem and has the minimum total mass of the satellite constellation system is efficiently obtained, the calculation cost of the satellite constellation system is furtherreduced, and the optimization efficiency is improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Geo-environmental simulation and prediction platform for coupled geo-environmental elements

Provided is a geo-environmental simulation and prediction platform for coupled geo-environmental elements. The platform comprises an infrastructure layer, a data layer, a supporting layer, an application layer and a presentation layer; the application layer comprises a basic module, a data management module, a data mining module, a subject analysis module, a regional analysis module and a compressive assessment module, wherein the basic module is used for serving as basic auxiliary of the simulation and prediction of typical regions; the data management module is used for the simulation of typical regional elements; the data mining module performs ground-object recognition, change detection, trajectory analysis, hot point detection and visualized analysis; the subject analysis module conducts geopolitical pattern analysis, geopolitical conflict analysis and geopolitical relation analysis; the regional analysis module analyzes specific regions; and the comprehensive assessment module conducts terrorist attack risk evaluation, armed conflict risk evaluation and geo-environmental risk comprehensive evaluation. The geo-environmental simulation and prediction platform for the coupled geo-environmental elements provides a set of visualized and visual analysis platforms for geo-environmental researchers, decision-makers and managers, and can assist the researchers in analysis and decision-making.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

Intelligent association analysis method and system for user television and online behaviors

The invention discloses an intelligent association analysis method and system for a user television and online behaviors. The method includes the following steps: firstly, collecting data related to the user television and online behaviors of different systems; associating the data of the different systems to form a complete information link that reflects user subscription, consumption, viewing behaviors and the online behaviors; and then performing data modeling on the associated data to obtain multi-dimensional statistical data, labels and user portraits; and finally using an established mathematical model to perform customer insight and marketing services, providing subject analysis reports required for business analysis of enterprises, and providing contents and products recommended byuser services. According to the scheme of the invention, the user television and the online behaviors are intelligently associated through an association rule, data islands are broken, the complete information link of user viewing behaviors and user online behaviors can be formed, and thus the more comprehensive understanding of users can be facilitated, and the accuracy and quality of the marketing services can be improved.
Owner:江苏有线数据网络有限责任公司

Hot word analysis and statistic system and method

The invention provides a hot word analysis and statistic system and method. The hot word analysis and statistic system comprises a subject analysis module, a focus vocabulary module, a word segmenting service module, an index service module, a lexical unit statistic module, and a hot word analysis module, wherein the subject analysis module is used for determining an analysis data source, defining an analysis subject, and defining the data type of each field; the focus vocabulary module is used for forming a focus vocabulary sequence; the word segmenting service module is used for extracting data information from a corresponding field, and segmenting words in the data information according to the focus vocabulary sequence, so as to generate a lexical unit sequence; the index service module is used for recording the index position, in a corresponding field, of each lexical unit, and recording data information corresponding to the lexical unit, so as to generate a lexical unit index file; the lexical unit statistic module is used for counting the number of each lexical unit; the hot word analysis module is used for feeding back the generated hot word related information and the word frequency of each hot word to a user. The hot word analysis statistic system and method have the advantages that accurate statistics of hot words and index storage related to the hot words are realized; the type analysis requirement of the hot words can be met; the hot word statistic accuracy is improved.
Owner:迪爱斯信息技术股份有限公司
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