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477results about How to "Realize automatic acquisition" patented technology

Rail transit fault diagnosis method and system based on decision-making tree

The invention relates to a rail transit fault diagnosis method and system based on a decision-making tree. The method includes the steps of firstly, determining various fault modes and various monitoring quantities of a rail transit device by analyzing a circuit and a mechanical structure model of the rail transit device; secondly, obtaining standard fault sample data according to various historical monitoring quantities of the rail transit device, then, analyzing the standard fault sample data through the decision-making tree generating algorithm, and conducting construction to obtain the decision-making tree of a fault; thirdly, collecting the various real-time monitoring quantities of the rail transit device, taking the decision-making tree as a classification model of the fault modes to conduct classification, and thereby determining the type of the fault. The system comprises a data collection device, a database unit, a data analysis unit and a knowledge base unit. The method and the device solve the technical problems that in the prior art, when the rail signal system fault is manually diagnosed, workloads are large, efficiency is low and the risks are high, and efficiency and accuracy of rail transit data analysis and fault diagnosis are improved.
Owner:BEIJING TAILEDE INFORMATION TECH

Training-corpus quality evaluation and selection method orienting to statistical-machine translation

ActiveCN102945232AEnriching Sentence Pair Quality Evaluation FeaturesRealize automatic learningSpecial data processing applicationsSentence pairMachine translation system
The invention relates to a training-corpus quality evaluation and selection method orienting to statistical-machine translation. The training-corpus quality evaluation and selection method comprises the following steps of: automatic weight acquisition: adopting small-scale corpus to train an automatic weight acquisition model so as to obtain a characteristic weight and a classification critical value; sentence-pair quality evaluation: using the weight and the classification critical value as well as the original large-scale parallel corpuses as input, carrying out classification on the large-scale parallel corpuses by using a linear model for sentence-pair quality evaluation, and generating all corpus subsets; and high-quality corpus subset selection: on the basis of all the corpus subsets, considering the influence of the cover degree, and selecting the high-quality corpuses as training data of a statistical-machine translation system. The training-corpus quality evaluation and selection method has the advantages that richer sequence-pair quality evaluation characteristic is provided, so that the automatic learning of the characteristic weight is realized, and when the scale of the subsets reaches to 30%, the performance can reach 100%, even better; and the class of any input sequence pair can be divided, and help can be provided for tasks such as selection of high-quality corpus data.
Owner:沈阳雅译网络技术有限公司

Log database system and log database synchronization method

The invention provides a log database system and a log database synchronization method. The log database system comprises a synchronous configuration unit, a log acquisition unit, a data synchronization unit and a database execution unit, wherein the synchronous configuration unit is used for acquiring to-be-synchronized data object names and configuring a synchronization name list; the log acquisition unit is used for trading, generating trading information, participating in consensus and storing the consensual trading information into a local block chain, and the trading information includes database operation logs; the data synchronization unit is used for searching the corresponding database operation logs in the local block chain according to the synchronization name list and determining data synchronization operation according to the searched database operation logs; the data execution unit is used for executing data synchronization operation on a predetermined database. The log database system has the advantages that the log database system separates the operation logs from data, safety can be ensured effectively while distributed storage is achieved through the block chain technology, and different types of databases can be configured without node reconstruction.
Owner:BEIJING ZHONGXIANG BIT TECH

Quick three-dimensional virtual scene constructing method

InactiveCN104835202ARealize dynamic constructionEfficient data scheduling and loading3D modellingFeature extractionSemi automatic
The invention provides an interactive semi-automatic three-dimensional scene constructing method. A data distributed storage strategy of the method is that scene data such as ground object models, vegetation, landform and the like is stored in a block mode through constructing scene data indexes, and relevant data is loaded by efficient data scheduling, thereby realizing dynamic construction of the scene. A land surface feature extraction method is that automatic acquisition for land surface texture, vegetation and water distribution areas in the scene is realized through performing operations of texture sampling, feature extraction and image segmentation on remote sensing images. A ground object feature extraction method is that positions and attributes of linear ground objects such as rivers, roads, bridges and the like and point-like ground objects are extracted through analyzing geographic information vector data, thereby realizing automatic acquisition for the attributes such as geometric dimensions, space positions and the like of the ground object models in the virtual scene. Therefore, the method provided by the invention can be applicable to quick scene construction with different scales and different complexity degrees, and can obviously improve the construction efficiency of the virtual scene.
Owner:ACADEMY OF ARMORED FORCES ENG PLA

Music similarity processing method

The present invention provides a music similarity processing method which comprises the following steps: after inputting first characteristic information of multimedia information of first music or the multimedia information of first music, extracting first characteristic information from the multimedia information of first piece of music; decomposing the first characteristic information to a plurality of information segments which start from a random starting point and have a certain length; after inputting the second characteristic information of multimedia information of second piece of music or inputting the multimedia information of second piece of music, extracting the second characteristic information from the multimedia information of second piece of music; calculating the information similarity data of a random segment of a plurality of information segments and a random segment in the second characteristic information; selecting a maximum value of similarity from the similarity data; and determining whether the maximum value of similarity exceeds the preset threshold. If the preset threshold is exceeded, high similarity between the first piece of music and the second piece of music is determined, and otherwise low similarity between the first piece of music and the second piece of music is determined.
Owner:BEIJING PAIRUIGEN SCI & TECH DEV

Method for intelligently testing intelligent substation on site

Provided is a method for intelligently testing an intelligent substation on site. The method includes the steps of simulating station level communication, establishing a relation with a tested device, obtaining a set value parameter and a communication parameter of the tested device, automatically setting a test scheme, setting process level data parameters, outputting SV / GOOSE, receiving GOOSE information, and carrying out test on the tested device. According to the method, in the testing process, output of the SV / GOOSE is changed according to automatic setting of the test scheme; configuration of the tested device is automatically changed to enable the tested device to be capable of adapting to requirements of a specific test. A dictionary file mode is adopted in the method, so a message sent by the tested device can be accurately interpreted; after the test is finished, the result is automatically obtained from the tested device, and an analysis result is automatically given. The method changes a process level process level method of a current tester, can intelligently set test parameters and obtain the results, greatly reduces manual operation and test errors of an on-site test, improves work efficiency, and is suitable for intelligently testing the intelligent substation on site.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +1

Method, system and device for recovering data

The invention discloses a method, a system and a device for recovering data and belongs to the field of communication. The method comprises the following steps that: a recovery server receives a verification message sent by a terminal to verify the legitimacy of the terminal; after the successful verification of the legitimacy of the terminal, the recovery server receives a resource request message sent by the terminal, judges if a resource needed by the terminal can be provided or not and sends the resource to the terminal if the resource needed by the terminal can be provided; and the terminal receives the resource sent by the recovery server and recovers the data of the terminal according to the resource. The system comprises the terminal and the recovery server. The terminal device comprises a transmitter module, a receiver module, and a recovery module. The recovery server comprises a receiver module, a verification module and a processing module. Through the introduction of a reliable recovery network, the method realizes that the user automatically acquires recovery resources, recovers the incomplete data of a user by using the resource, improves the experience of the user, and mobilizes the activity of the user for using the reliable network.
Owner:HUAWEI TECH CO LTD

Method, server and system for automatically obtaining address

The invention discloses a method, a server and system for automatically obtaining an address, and belongs to the technical field of communication. The method comprises the steps that when a mobile terminal requests to conduct user registration at a POI, user information sent by the mobile terminal, information of the POI, and an address used for receiving commodity are received, and corresponding relations between the user information and the information of the POI and between the user information and the address are built; when a user purchases the commodity on the internet through the mobile terminal at the POI, the user information and the information of the POI are obtained, the address corresponding to the user information and the information of the POI is searched in the corresponding relations, and the distribution process of the commodity is triggered according to the address. The server comprises a receiving module, a building module, an obtaining module and a trigger module. The system comprises the mobile terminal and the server. According to the method, server and system for automatically obtaining the address, automatic obtaining of the address for receiving the commodity for the user is achieved, shopping processes of the user are greatly simplified, and the efficiency of mobile electronic commerce is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Near-field service acquisition method and device for application

The invention discloses a near-field service acquisition method and device for an application. The near-field service acquisition method for the application comprises the following steps that: the application calls a first terminal to detect magnetic field strength within a preset distance range, wherein the application is installed on the first terminal and used for receiving service information of a near-field service, and the magnetic field strength is generated by a second terminal; when that the magnetic field strength is greater than preset magnetic field strength is detected, the application calls the first terminal to detect identification information which is broadcast by the second terminal and used for identifying the second terminal; the application sends a request command to a server according to the identification information of the second terminal, the server inquires a preset service page of the application under a preset service scene corresponding to the identification information of the second terminal according to the request command, wherein the identification information of the second terminal and the preset service page are preconfigured in the server; and the application acquires the service information which corresponds to the preset service page. Through adoption of the near-field service acquisition method and device, the technical problem that the application cannot automatically acquire the service information under the service scene in the prior art is solved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Iron and steel enterprise molten iron tank transportation management and control system

PendingCN111815230ASolve the problem of tracking and monitoring the whole processClear and accurate graspMelt-holding vesselsCo-operative working arrangementsControl systemRadar
The invention discloses an iron and steel enterprise molten iron tank transportation management and control system, which is based on locomotive positioning and tank number identification technologies, and comprises a molten iron vehicle number identification device, a molten iron data automatic acquisition subsystem, a railway locomotive positioning and railway yard surveying and mapping device and molten iron transportation management and control software; according to the technical scheme, the problems of molten iron tank number recognition and key point alignment confirmation are solved through RFID equipment; the locomotive positioning is used for solving the problem of hot-metal bottle operation dynamic trajectory tracking; the problem of real-time acquisition of molten iron data issolved by utilizing the radar liquid level meter, the temperature measuring instrument and the wireless communication module; and full-process and full-dynamic management and control of molten iron transportation of iron and steel enterprises are realized by integrating the vehicle number identification equipment, the RFID equipment, the radar liquid level meter and the temperature measuring instrument and utilizing the molten iron tank dynamic management and control software. The molten iron tank transportation operation efficiency and safety of iron and steel enterprises are improved, all key links of molten iron transportation are managed, the real-time state of a tank car is mastered, and a molten iron dispatching plan, a shunting plan and other plans are made to control the whole transportation process in a closed-loop mode.
Owner:成都劳杰斯信息技术有限公司

Vegetation change occurrence time detection method based on time series similarity

The invention relates to a vegetation change occurrence time detection method based on time series similarity, comprising: first, establishing multi-year time-space continuous vegetation index time series data of a research area, calculating JM distance between vegetation index time series curves of each past year and the initial year pixel by pixel, year by year, and generating a time series curve for the JM distance of each past year and the original year; fitting the time series curve for the JM distance of each past pear and the original year by using a logistic model, and acquiring time parameter from logistic model parameters so as to automatically extract vegetation change time. In the method, the JM distances of vegetation index time series curves between the past years and the initial year are used to indicate time series similarity, and vegetation change time is acquired from change law of yearly time series similarity. The method is effective in detecting changes of time series curves in terms of amplitude, frequency and the like, the complex step of decomposing original spectral index time series data is avoided, and the problem that it is difficult to extract indexes directly from original spectral index time series data to provide comprehensive characterization of vegetation changes is solved.
Owner:FUZHOU UNIV

Road condition data processing method and device for internet of vehicles and computer equipment

The application relates to a road condition data processing method and device for the internet of vehicles, computer equipment and a storage medium. The method comprises: acquiring vehicle data of connected vehicular terminals in the internet of vehicles, storing the acquired vehicle data, zoning vehicles to road sections according to longitude and latitude data in the vehicle data, performing road condition analysis on each road section according to speed and direction data to obtain jamming condition of each road section, dividing each road section into multiple jamming levels according to the jamming condition, storing the jamming levels, receiving a road condition data request from a request terminal, wherein the road condition data request includes longitude and latitude parameters ofa planned path, searching the stored road condition data for road condition data of the corresponding road section under the corresponding jamming level according to the road condition request, and returning the road condition data to the request terminal. By using the method herein, corresponding road condition data can be automatically acquired and sent to the request terminal according to a request from the request terminal, and road condition data for vehicles can be acquired more efficiently.
Owner:广州斯沃德科技有限公司
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