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57results about How to "Cross-platform" patented technology

Distributed-type parallel computing platform system based on Web dynamic participation

The invention discloses a distributed-type parallel computing platform system based on Web dynamic participation. The distributed-type parallel computing platform system based on the Web dynamic participation comprises a computing task management host machine and a computing node, wherein the computing task management host machine comprises a computing task decomposition unit, a computing task distributing unit, a Web server unit, a computing result collection unit and a computer result summarizing processing unit, the computing node comprises a Web browser and a Java Applet node program embedded and operated in a webpage of the Web browser, and the computing task decomposition unit is used for decomposing a computing task and packaging the computing task into a computing task package. Any network idle computer accesses a service website of the Web server unit through the browser and obtains the webpage containing the Java Applet node program to be a computing mode, and the node program obtains the computing package from the computing task distributing unit through remote method invocation (RMI) and sends the computing result to the computing result collection unit. The distributed-type parallel computing platform system based on the Web dynamic participation utilizes the network idler computing resources to carry out high-performance computing, is low in cost and is flexible and convenient to implement.
Owner:HOHAI UNIV

Whiteboard synchronous display method and system based on Android side smart classroom

The invention discloses a whiteboard synchronous display method based on an Android side smart classroom, which covers the two aspects of a teacher end and student ends in the smart classroom. The teacher end and the student ends communicate with each other on the basis of the MQTT instant communication protocol through which a teacher and students can subscribe to the same topic. During the wholeclassroom activities, the teacher enables a whiteboard function in the teacher end, the teacher writes on the whiteboard and issues a message to the students who subscribe to the same topic, and thewhiteboard content is simultaneously displayed in the student ends. Whiteboard data generated during a teaching process will be reported to the backend server according to the xAPI education big datastandard. The whiteboard synchronous display method has lower requirements on hardware devices, and is particularly suitable for working in a one-to-many scenario where the number of devices is large,the computing power of the devices is low, and an network environment is unstable, can easily complete the teaching and interactive sharing of teachers and students, and uses a digital means to ensure the efficient exchange, sharing and aggregation of whiteboard content of the teachers and the students.
Owner:SOUTH CHINA UNIV OF TECH +1

Cross-platform ECM (electronic countermeasure) guide and control estimation system

InactiveCN107300646AMonitor training progress in real timeTimely evaluation of training effectsElectrical testingEducational modelsReal-time dataField training
The invention relates to a cross-platform ECM (electronic countermeasure) guide and control estimation system, and the system consists of a system configuration management module, a planning deducing stage module, a real-time monitoring stage module, a replaying estimation stage module, a data gathering and distributing module, and a data storage module. The system configuration management module comprises the configuration and management of all seats of each module/unit in a system. The data gathering and distributing module gathers various types of data returned by target field training equipment, carries out the forwarding of guide information or a control instruction outwards to training equipment, and also can provide data communication support for each module/unit of the system. The data storage module carries out the unified storage and management of training data resources and media resources. At the preparation stage of target field training, the planning deducing stage module completes the formulation and deduction optimization of a scheme. At the real-time stage, the real-time monitoring stage module completes the analysis, storage and display of the real-time data. After training, it enters a comment and appraisal stage, and the replaying estimation stage module carries out the replaying and comprehensive of the whole training process.
Owner:CHINA ELECTRONICS CORP 6TH RES INST

CFD program development method integrating web technology

The present invention provides a CFD program development method integrating a web technology, and relates to development and deployment of a CFD program and integration of a web technology. The method comprises: a CFD developer developing a core function according to an algorithm and needs, and then deploying a CFD program to a server; and a web developer developing a web front-end user interface, and docking the web front-end user interface with the CFD program in a background. After a joint debugging test of the CFD program and a web platform is completed, the CFD program is deployed and brought online, and is open for use by authorized users. Compared with the prior art, the present invention has the following advantages: 1). the CFD core function development is separated from GUI interface development, thereby allowing developers to focus on areas of their strength; 2). the web technology is introduced to develop the front-end user interface, thereby greatly accelerating GUI interface development and achieving a cross-platform feature; and 3). accessibility of the CFD program is greatly expanded, so that a user can execute and manage the CFD program through the Internet, and obtain an execution result. The present invention can make full use of development convenience brought by the web technology to rapidly develop a user-friendly interface, is practical, and is easy to be promoted.
Owner:BEIHANG UNIV

Security operation and maintenance instruction blocking device and method based on industrial control system

The invention relates to the field of industrial control system security defense, in particular to a security operation and maintenance instruction blocking device and method based on an industrial control system. The blocking method comprises the steps: an operation and maintenance terminal obtains an industrial control operation and maintenance instruction input by a user; an operation and maintenance gateway performs rule matching on the encrypted operation and maintenance instruction content and an instruction strategy locally bound to the operation and maintenance gateway; a matching result is output, and if the operation and maintenance instruction content is successfully matched with the instruction strategy, intercepting and blocking are carried out by the operation and maintenance gateway; if the matching is not successful, operation is carried out, and interception is not carried out; and the operation and maintenance gateway records a log and sends the log to an operation and maintenance terminal background for log auditing. According to the invention, the blocking of a risk instruction is realized, and the occurrence of equipment faults caused by misoperation of operation and maintenance personnel is prevented.
Owner:苗叶

Universal comprehensive detection device and method for aviation mission electronic systems

The invention provides a universal comprehensive detection device and method for aviation mission electronic systems, and belongs to the field of system detection. The device comprises a detection client module and a logic detection unit; the detection client module comprises a detection parameter editing module, a detection standard configuration module, a detection command generation module, a detection result display module and a message communication module; the logic detection unit comprises a detection command analysis module, a detection execution module and a detection result judgment module; the method comprises the steps of editing and saving detection parameters, setting a detection standard configuration file, preparing for detection, executing detection, generating a detection command, interpreting the detection command, judging the position of a detected host and performing corresponding processing, and processing a detection result. The universal comprehensive detection device and method have the following advantages that comprehensive detection is performed on hosts to be detected of subnets of all levels and of multiple models and multiple system types, the universality and the cross-platform capability are improved, and the working process of the comprehensive detection is simplified.
Owner:BEIHANG UNIV

Single-chip microcomputer developing system and apparatus based on HTML5 (hypertext markup language 5) browser frame

The invention discloses a single-chip microcomputer developing system and apparatus based on an HTML5 (hypertext markup language 5) browser frame. The system comprises a single-chip microcomputer andan HTML5 browser frame apparatus connected to each other. The single-chip microcomputer comprises a first physical connection device layer, a JavaScript interface packaging layer, a system layer and asingle-chip microcomputer application main program on the system layer. The HTML5 browser frame apparatus comprises a second physical connection device layer, a JavaScript interpreter layer, a JavaScript developing frame layer and an external device layer; the first physical connection device layer is connected with the second physical connection device layer; the single-chip microcomputer application main program creates GUI (graphical user interface) related controls to interact with a user through a GUI system interface, allows network communication through a network system interface, andreads data through a file system interface. The single-chip microcomputer developing system and apparatus based on the HTML5 browser frame has cross-platform features, reduced technical barriers, increased developing speed and a wider range of applicable population.
Owner:SHENZHEN YUDI TECH CO LTD

Method for testing intelligent television

The invention relates to a method for testing an intelligent television. In a test environment of the intelligent television, a simulation module is arranged in the intelligent television through a software programming mode and the intelligent television connected with an Ethernet network via an externally-connected network control unit, wherein the simulation module is used for carrying out simulation occupancy and control on system resources of the intelligent television and monitoring the simulation occupancy and control, and the network control unit is used for controlling and reading a transmission speed of the Ethernet network so as to implement quantitative control of the network speed of the intelligent television; and under various network speeds, the system resources of the intelligent television are correspondingly occupied by simulating various operations of a user and whether various parameters of the intelligent television are normal or not is detected. Through the method for testing the intelligent television disclosed by the invention, a real operational environment of the user can be simulated, and the defect or weak links in the design of system can be rapidly detected and the reliability level and the stability of the intelligent television can be improved through the detection of various parameters of the intelligent television in the simulated environment.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Cross-platform virtual simulation practical training system for container machine assembly

InactiveCN111260982AThere will be no problems affecting the teaching process such as burning out the circuit boardFacilitate the development of assembly teaching workCosmonautic condition simulationsSimulatorsSoftware engineeringWiring diagram
The invention provides a cross-platform virtual simulation practical training system for container machine assembly. The system comprises an assessment module, wherein the assessment module is configured to display an assessment scene on terminal equipment of a user, the assessment scene comprises a virtual case, a circuit board operation area and a connecting line operation area, the virtual caseis provided with a circuit board installation position, the circuit board operation area is provided with a plurality of to-be-selected circuit board icons, and the connecting line operation area isprovided with a plurality of to-be-selected connecting line icons; according to a circuit board installation instruction of a user, a virtual circuit board corresponding to the circuit board icon selected by the user is installed to a circuit board installation position, and the virtual circuit board has a wiring port; two wiring ports are determined according to the connecting line installation instruction of the user, and the two determined wiring ports are determined by using a virtual connecting line selected by the user; and the virtual container machine assembled by the user is detected,and the completion condition of the practical training assessment of the user is determined. The invention provides a virtual container machine assembly practical training platform, which is convenient for development of container machine assembly teaching work.
Owner:ZHONGSHAN POLYTECHNIC

Method for realizing digital signing authentication by data interaction of audio-frequency port of mobile terminal

The invention relates to the technical field of information security, in particular to a method for realizing digital signing authentication by data interaction of an audio-frequency port of a mobile terminal. The method comprises the following steps of: receiving a network identity authentication request initiated by a terminal user in a client-side manner; sending authentication information to the mobile terminal of the terminal user and simultaneously sending same authentication information to a client side of the terminal user; comparing and judging whether the authentication information received by the client side is consistent to the authentication information received by the mobile terminal; if so, calling a private key stored by an external device by the audio-frequency port of the mobile terminal to carry out signing on the authentication information and sending a signing result to a service system; and receiving the signing result and verifying the signing result by the service system, and allowing the terminal user to carry out next-step service processing if the verification is successful. The method provided by the invention is based on the digital certificate technology, and has the advantages that the identity authentication problem of the mobile internet era is solved, the security coefficient is high and the benefit of all entities in the network is protected.
Owner:北京祥云天地科技有限公司

Microstructure image recognition method and device based on self-supervised neural network

The invention discloses a microstructure image recognition method and device based on a self-supervised neural network. The method comprises the following steps: pre-training a convolutional network; performing batch feature extraction on the preprocessed standard microstructure chart by using a pre-trained convolutional network to obtain a feature vector set, and storing the feature vector set into a database B with an HDF5 feature vector storage structure; using a pre-trained convolutional network to perform batch feature extraction on the preprocessed to-be-recognized microstructure chart to obtain a feature vector V; calculating the similarity between the feature vector V and all feature vectors in the database B, performing ascending sorting according to the similarity to obtain k feature vectors closest to the feature vector V, and mapping the k feature vectors to the database A to obtain corresponding k standard microstructure diagrams; and counting the specific names of the microstructures to which most of the k standard microstructure diagrams belong, and determining the specific names as the specific names of the microstructure diagrams to be recognized. According to the invention, the recognition accuracy and recognition speed of the microstructure image are improved.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL +2

A software platform for aerospace measurement, launch and control based on plug-in technology

The invention discloses a plug-in technology-based spaceflight test launch control software platform. The platform comprises a platform kernel, a configuration management module, a plug-in management module and a plug-in library. The platform kernel defines an integration mode and a communication interface of software and layout styles of a main window body and a popup window body of the software, and is used for controlling the configuration management module and the plug-in management module to work; the configuration management module provides a unified configuration management interface and realizes parameter binding of all function plug-ins under the control of the platform kernel; the plug-in management module realizes loading, registration, initialization and unloading of the plug-ins under the control of the platform kernel; and the plug-in library comprises the plug-ins for realizing various business logic functions of test launch control. According to the platform, the plug-in type development and maintenance of software functions are realized and the problems of repeated work due to function overlapping of the test launch control software, great modification of the software due to demand changes and the like are solved.
Owner:BEIJING LINJIN SPACE AIRCRAFT SYST ENG INST +1
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