109results about How to "Realize dynamic switching" patented technology

The invention discloses a reconfigurable/dual redundancy VPX3U signal processing carrier board based on Soc, under VPX control surface 1GEx1 signalization, a carrier board Soc controller can perform control command dynamic loading and logical function on-line reorganization on a high-performance reconfigurable FPGA (Field Programmable Gate Array), and board-level power and timer management and condition monitoring are completed; a reconfigurable FPGA chip is in interaction with front-end received signals through a standard FMC interface, and multi-function real-time digital signal processing is realized according to a loading program. Meanwhile, a dual-redundancy data bus interface is designed in a VPX connector, and a signal processing carrier board can be in data interaction with other board cards such as a master control switch card, an adjacent board card and the like in the system by a VPX dual redundancy data bus interface.

The invention discloses a method for technically controlling secure access to an embedded system memory. The method includes the following steps of initially designing a system of a memory secure access mechanism, wherein an MPU memory protection unit is introduced, domain attributes of different grades are distributed, and an access attribute and a system initiating progress are set; secondly, designing the secure access to the memory for switching of embedded operation system process context, wherein a domain control module is set, the system process context is set, and switching of the system process content is achieved in the domain control module. The illegal access of all address space resources are detected and limited through a processor MPU hardware mechanism, the boundary control and context switching of any task of the embedded real-time multi-task operation system for accessing resources of other tasks is achieved, distributing and designing of cache, writing buffer and MPU attributes of different storage spaces in the system are achieved, and the control over secure access to all background domains in the memory is ensured.

The invention discloses a method, device and player for decoding video. The method comprises the following steps: after preparing the decoding of data streams of the video to be decoded, according to the information of a terminal playing the data streams of the video, selecting a decoding scheme corresponding to the information from a preset decoding scheme; transferring the selected decoding scheme to decode the data streams of the video to be decoded. Through the adoption of the method disclosed by the invention, different decoding schemes can be encapsulated in the player, and the structures of different decoding types can be taken account of; when the decoding scheme needs to be replaced, buffer again and decoding preparation are not needed, and the decoding schemes can be directly switched, so that the dynamic switching is realized, users hardly sense the dynamic switching, and the use experience of the user is improved.

The invention provides a method and a system for realizing a multilingual user interface, and provides two manners for realizing the multilingual user interface at different stages, wherein one stage faces to developers and enables the development to be convenient and efficient, and the other stage faces to users and are used for reducing unnecessary searches of a system and improving the efficiency of the system. When a software system is in a development stage, the user interface dynamically reads a language character string resource file in a corresponding special form according to the langrage selected by a user, and the user interface in the corresponding language is displayed; and when the software system is in a launch stage, the user interface reads and analyzes a language array generated by the corresponding language character string resource file according to the langrage selected by a user, and the user interface in the corresponding language is displayed. The invention notonly realize the multilingual user interface, but also facilitates the multilingual user interface and greatly reduces the maintenance working load, therefore, less system resource is occupied, and the running speed of the system is increased.

The invention relates to the technical field of games, and provides a scene map generation method and device, a computer storage medium and electronic equipment. The method comprises steps of obtaining a map configuration table; loading more than two preset map basic units according to a first scene area captured by the virtual camera in the scene map, and splicing the more than two map basic units in the first scene area to obtain a first spliced map; obtaining map content data corresponding to each map basic unit in the first spliced map from a map configuration table according to the position of each map basic unit in the first spliced map in the scene map; and respectively loading the map content data corresponding to each map basic unit in the first spliced map into the correspondingmap basic unit to obtain a first target scene map for display. According to the invention, the loading duration of the target scene map can be reduced, and the system loss is saved.

The invention provides a multi-unmanned system supervision and control station and method based on MAS. The multi-unmanned system supervision and control station based on the MAS includes a parallel system architecture; the parallel system architecture includes a multi-agent software and hardware supervision and control system and unmanned systems; the multi-agent software and hardware supervisionand control system includes a hardware platform and a software platform; the hardware platform includes a multi-screen workstation; and the multi-screen workstation is provided with a dynamic physiological collection component capable of detecting operator physiological data and dynamic instructions. By using the multi-unmanned system supervision and control station based on the MAS, the real-time working state, environment complexity, task complexity and comprehensive intelligence information of the unmanned system are effectively monitored; the control mode of the unmanned system is calculated according to the environment complexity, the task complexity, the fatigue of the operator, and the autonomous level of the unmanned system, so that the control mode dynamic switching of the unmanned system is realized; and the human-machine hybrid intelligence is formed by a hybrid autonomous mode that is observable, interpretable and predictable, and can be intervened. The multi-unmanned system supervision and control station based on the MAS is applied to the field of supervision and control.

The invention discloses a multi-wavelength optical fiber mode switching method and system based on a few-mode phase shift bragg grating. The system comprises a few-mode optical fiber, torsion devicesand a polarization controller. N high-order guided-mode long-period fiber bragg gratings are arranged on the few-mode fiber, N is greater than or equal to 2, and the N high-order guided-mode long-period fiber bragg gratings are cascaded to form a phase shift long-period fiber bragg grating; the number of the torsion devices is two, one torsion device is fixed, and the other torsion device can be twisted. Two ends of the few-mode fiber are respectively fixed on the two torsion devices, and the phase shift long-period fiber bragg grating is positioned between the two torsion devices; and one endof the few-mode optical fiber is connected with an input end of the polarization controller. According to the invention, the inscribed phase shift long-period fiber bragg grating is rotated by usingthe adjustable torsion devices, and the refractive index modulation of the phase shift bragg grating is changed such that the resonant coupling condition of the mode is changed, and the switching between target modes is realized at the same time under a plurality of wavelengths.

The invention provides a method for realizing database dynamic switching, which comprises the following steps of analyzing a data source configuration file to form a corresponding database connectionpool; defining a set of annotations of data source switching; analyzing the annotation, and placing the database name in a local thread copy; returning the database object corresponding to the database name in the thread copy to the Spring framework to realize dynamic switching of the database. The invention further provides a computer readable storage medium, high cohesion and low coupling can beachieved without other service control codes, and the performance is not affected. On the basis, database read-write separation can be realized through configuration.

The invention discloses a server switching method and device, equipment and a medium. The method comprises the steps of in the process of generating video stream data in a live broadcasting room, sending a synchronous detection signal to a client corresponding to the live broadcasting room so as to trigger the client to monitor video stream quality data; determining a switching value of an initialstreaming media server according to a first network quality value fed back by the client and a locally determined second network quality value; and if the switching value is less than a preset switching threshold, switching the live broadcasting room from the initial streaming media server to a backup streaming media server, and sending a switching message corresponding to the live broadcasting room to the client, wherein the switching message is used for triggering the client to switch to the backup streaming media server. The server switching method realizes the dynamic switching of a streaming media server in the interactive process, and solves a problem of real-time interaction limitation caused by the dependence of the existing audio and video interactive application software on a streaming media server provided by a certain third-party audio and video service provider.

The invention discloses a menu management method and a menu management system applied to measuring instruments, which relate to the field of the menu management of measuring instruments. The method includes the following steps: when a menu interface is called, a menu data pointer is configured as a menu corresponding to the type of the menu interface in a measurement window; according to the menu type of the currently selected menu item, a menu display buffer is updated, and a corresponding menu callback function is triggered; and the menu item in the menu display buffer is drawn and displayed in the form of a control or a pattern. The invention can eliminate the redundancy of menu data, decrease the difficulty of the change and maintenance of the menus of measuring instruments, increase the efficiency of menu management, enhance the overall performance, realize the sharing of a mode menu and a general menu and the dynamic switching of a window menu, the mode menu and the general menu, meet the requirement of a measurement mode on the extension of a plurality of windows and realize the cross-platform application of a logic menu manager.

The invention relates to the technical field of video playing, in particular to a video playing method, device and system based on HTML5, a medium and a browser. The invention aims to solve the technical problem of how to realize simple and efficient playing of media data in more coding formats on a browser supporting HTML5. In order to achieve the purpose, the video playing method comprises the following steps: acquiring media data in any coding format, splitting video data from the media data, and decoding the video data to obtain a plurality of video frames in a first image format; performing custom protocol packaging on the plurality of video frames in the first image format, and sending a plurality of packaged data packets into a data transmission channel pre-established with a front-end HTML5 component of the browser; acquiring, by the front-end HTML5 component, a plurality of data packets from the data transmission channel, and unpacking the data packets and draws a plurality of video frames on the support browser frame by frame. According to the method and the device, the browser supporting the HTML5 can realize simple and efficient playing of the media data in more coding formats.

The invention discloses a wallpaper switching method and a mobile terminal. The method comprises the following steps: determining an image associated with a face recognition result in a mobile terminal when recognizing a face, and taking the image as a target wallpaper image; based on the current wallpaper image when the mobile terminal recognizes the face, switching the wallpaper of the mobile terminal to the target wallpaper image when the target wallpaper image satisfies a predetermined wallpaper switching condition. By determining the image associated with the face when the face is recognized, the wallpaper of the mobile terminal is switched to the image when the predetermined switching condition is satisfied. The wallpaper image can be dynamically switched based on the change of the mobile terminal user, and then the friendliness of the human-machine interaction and the user experience are improved.

The embodiment of the invention provides a service address response method, device and system, equipment and a storage medium, and relates to the technical field of computer networks. The method comprises the steps of receiving a call request for a service address of a target service, obtaining the running state of a first registration center of a local IDC to which the target service belongs, switching the current connection to a second registration center of a remote IDC when the first registration center cannot provide the service, obtaining the service address of the target service from the second registration center, and returning the service address, thereby completing the call of the target service. The first registration center of the local IDC cannot provide the service to automatically switch to the second registration center of the remote IDC; and the service address of the target service is called from the second registration center pre-synchronized with the target servicerelated data, so that the calling of the target service is smoothly completed, the service calling stability of the business system is improved, and the multi-activity high availability of the registration center is realized.

The invention discloses a live transcoding method and system for dynamically switching video streams, and the method comprises the following steps: receiving a stream switching request, and receivinga target input signal according to the stream switching request; maintaining the transcoding process output of transcoding the original input signal; in the transcoding process, creating a target thread to decapsulate and decode the target input signal, wherein the transcoding process for transcoding the original input signal comprises an original thread for decapsulating and decoding the originalinput signal and an output thread for encoding and packaging an original data stream output by the original thread; when a target data stream output by the target thread is obtained, destroying the original thread, and cutting off an original input signal; and encoding and packaging the target data stream through an output thread, and outputting to obtain a target output stream after the target input signal is transcoded. The live transcoding method and system have the technical characteristics of no buffer, no lag, no splash screen, no black screen, continuous sound and no loss of playing data in playing switching.

The embodiment of invention discloses a method and related device for controlling a manage device. The method for controlling the manage device includes the steps that a virtual main device deployed in a cloud terminal device receives a data processing instruction; the virtual main device selects N2 physical auxiliary devices from N1 physical auxiliary devices according to a set strategy, and indicates the selected N2 physical auxiliary devices to process data based on the data processing instruction, wherein N1 and N2 are positive integers, N2 is smaller than or equal to N1, the virtual main device and the N2 physical auxiliary devices are same in type, and the N1 physical auxiliary devices are deployed in the cloud terminal device or connected with the cloud terminal device. According to the technical scheme of the embodiment, the method for controlling the manage device and the related device are beneficial to promoting use flexibility of multiple functional devices same in type when the cloud terminal device can be connected with the functional devices same in type (such as a plurality of network cards or a plurality of sound cards).

The embodiment of the invention discloses a transmission mode indication method and device, a base station, a terminal and a storage medium, and the method comprises the steps: transmitting a signal to terminal UE, so as to enable the UE to determine a transmission mode between the UE and the base station according to the signal, wherein the signaling carries indication information of a transmission configuration indication TCI state, indication information of a redundancy version RV and indication information of a demodulation reference signal DMRS port, and indication information of whetherrepeated sending times are carried or not, or, the signaling carries the indication information, and also carries the indication information of the transmission mode. According to the embodiment of the invention, the indication information is carried in the signaling and is used for indicating the specific transmission mode, so that dynamic switching between different transmission modes can be realized, and the system performance, reliability and resource utilization rate are better improved.

The invention provides a configuration loading system and method for a reconfigurable processor, and the system comprises a configuration controller which is used for obtaining the length of configuration data needed by a configuration task of a PEA and a plurality of configuration addresses; acquiring a plurality of configuration packets and sending the configuration packets to the PEA controlleruntil the number of the currently acquired configuration packets is equal to the length of the configuration data; judging whether a PEACPFinish signal is received or not at present, and if so, pre-fetching configuration data of a next configuration task; a PEA controller used for analyzing the top-layer configuration information from each configuration packet, determining the corresponding PE and sending the PE; after PE_CP_Finish signals sent by all PEs of the current configuration task are received, sending PEA_CP_Finish signals; and a PE used for sending PE_CP_Finish signals after one configuration packet is executed each time. According to the invention, the configuration of the reconfigurable processor can be loaded, and the delay is less.

The invention discloses a unified modeling method of a same-tower multi-loop electric transmission line based on pole and tower structures and wire parameters. The method includes the steps of collecting required basic information in the modeling process, calculating an impedance/admittance matrix of the corresponding unit length of each pole and tower structure after ground electrode influences are eliminated, and conducting replacing operation on the impedance/admittance matrixes for the pole and tower structure for erecting a different-wire same-tower multi-loop part to obtain a corresponding impedance/admittance matrix. On the basis, positive sequence impedance and zero sequence impedance of each loop are calculated and compared with the measured value corresponding to the loop, and soil resistance is adjusted according error magnitudes till errors meet requirements. The same-tower multi-loop electric transmission system is segmented, a line model is matched for each segment with the line length of each segment, whether the segment fails in setting, the wire type of the segment and the pole and tower constitution conditions of the segment as the evaluation standards, and the line model is dynamically matched for each segment of the line when failure points and failure segments change.

The invention particularly relates to a self-service tax handling system and method based on VR virtual reality. The self-service tax handling system based on VR comprises a head display, a handle, alaser tracking lens and a background server. The head display is responsible for presenting a three-dimensional tax environment for the taxpayer, collecting retina characteristic data of the taxpayerand sending the retina characteristic data to the background server, and is used for performing identity verification on the taxpayer; The background server is responsible for being in butt joint withan existing tax core service system. The invention discloses a self-service tax handling system and method based on VR virtual reality. the authorization access of the existing tax core business system to the background server is taken as a realization basis; The system can be flexibly deployed in various places through the Internet, tax payment cost is reduced, identity verification is carried out through retina characteristic data, tax safety is guaranteed, substantial breakthrough is achieved compared with a traditional tax payment mode, and tax payment efficiency of taxpayers is greatly improved.

The invention discloses a method and system for dynamically switching scenes according to power grid characteristic events and a storage medium. The method comprises the steps of after a power grid operation characteristic event is received, analyzing an intelligent identification scene through topological change, associating an information display unit according to a characteristic event type, selecting an intelligently matched primitive graphic component automatically, generating a picture display scheme by using a configuration method, and realizing the dynamic scene switching. According tothe method, the scene can be intelligently identified according to the real-time operation state of the power grid, the information display unit and the intelligently matched primitive component areassociated with the characteristic event during operation, the technical breakthrough is realized, the requirement of dynamically displaying the associated scene during power grid operation monitoringis met, and the method has a very good application value.

The invention provides a dynamic mode conversion atomic magnetic field measuring device, which regulates and controls the polarization state of pump light in an atomic magnetometer by using a liquid crystal variable wave plate, and is mainly characterized by (1) pumping alkali metal atoms by using circular polarization laser, so that the atoms spin to generate vector polarization along the light transmission direction, and high-sensitivity scalar magnetic field measurement is realized; and (2) pumping alkali metal atoms by using linear polarization laser to enable the atoms to spin to generate tensor polarization along the light polarization direction, and simultaneously measuring the amplitude and the direction of the magnetic field component. According to the invention, on the premise that a laser light source and a detector are not added, the dynamic switching of atom magnetic detection modes is realized, and the anti-interference capability and the sensitivity of magnetic field measurement are effectively improved while the vector measurement function of the system is ensured. The device is simple in structure, convenient to operate, capable of being used for different types of atomic gas chambers, high in transportability and practical.