1588results about How to "Realize communication" patented technology

The invention provides a processing method of network switching, a protocol conversion server and an Internet of Vision server. The processing method comprises that request data from an Internet terminal is converted into an instruction set which satisfies protocols of the Internet of Vision; the instruction set is sent to the Internet of Vision; response data which is returned by the Internet of Vision server corresponding to the instruction set is received; and the response data is sent to the Internet terminal. According to embodiments of the invention, a mobile terminal can participate in a video conference based on the Internet of Vision.

The invention discloses a tool wear monitoring system capable of realizing self-learning in a numerical control machining state. The structure of the system is that: a tool wear rule learning library stores learned tool wear rules; a data acquisition and judgment module provides a servo drive current digital signal for a data processing module to perform format conversion and store the signal as a monitoring current signal; a characteristic extraction and selection module selects signal characteristics strongly correlated with tool wear; a fitted predicted trend curve module establishes a signal characteristic-tool machining service life relationship curve; a tool wear rule module obtains the learned tool wear rules from the tool wear rule learning library, and substitutes the trend signal characteristics into the learned tool wear rules to obtain a tool wear extent; and a tool wear compensation and tool replacement module makes a tool wear compensation and tool replacement decision according to the tool wear extent, and provides the tool wear compensation and tool replacement decision for a numerical control system interface input module. The system is applied to the condition offluctuating cutting parameters in mass production, and can achieve relatively higher accuracy under the condition of constant cutting parameters.

Disclosed is a method for transmitting a synchronization beam forming signal. The method comprises: sending, by a base station, a synchronization beam forming signal to a terminal; selecting, by the terminal, an optimal beam from the received synchronization beam forming signal and feeding back optimal beam information to the base station; and using, by the base station, the optimal beam to send downlink data. Also disclosed are methods for sending and receiving a synchronization beam forming signal, a base station, a terminal and a transmission system.

A vehicle control method, a vehicle sharing method and an apparatus are provided. The vehicle control method comprises steps of detecting whether preset virtual key code identification exits in an intelligent device when receiving an accordant connection request sent by the intelligent device, building a short-distance wireless communication connection with the intelligent device when detecting existence of the virtual key code identification in the intelligent device, and executing relative control operation to the vehicle based on a received vehicle control instruction sent by the intelligent device. According to the method and apparatus, entrance and start can be realized without of key, key-free entrance and start success rate can be improved and the vehicle and an authorized person can be shared.

The present invention discloses a wireless communication system, a device and a wireless communication method. The wireless communication system comprises a base station, a wireless relay station and a user terminal. Wherein, the base station and the user terminal can transmit uplink data and downlink data to each other through the wireless relay station. In detail, the wireless relay station receives downlink relay sub-frame data from the base station and carries the demodulated downlink data onto downlink relay sub-frames and then transmits the data to the user terminal. In addition, the wireless relay station receives uplink data sub-frame data from the user terminal and carries the demodulated uplink data onto uplink relay sub-frames and then transmits the data to the base station, thus fulfilling communication of the wireless communication system. Moreover, the present invention discloses a wireless communication device and a method. The present invention forms a novel wireless communication system and a wireless communication method applying the wireless communication system by modifying the base station and introducing a novel wireless relay station, thus expanding coverage scope of the base station and removing lower throughput rate on community edges and uncovered shadow regions.

The invention belongs to the technical field of brain-computer interaction (BCI), and particularly relates to a method and device for classifying active brain-computer interaction system motor imagery tasks. The method and device for classifying active brain-computer interaction system motor imagery tasks resolve the technical problems that an existing classification mode for the active motor imagery tasks is not high in accuracy and long in execution time. The classification method for the active BCI system motor imagery tasks comprises the steps that (1) original brain electrical signals in the training period are collected; (2) processing and characteristic extraction are carried out on the brain electrical signals, and the detection threshold Vd is calculated; (3) collection and state detection are carried out on the brain electric signals in the active imagery period, and the idle state and the imagery motion state of the brain are detected according to the threshold; (4) the motor imagery brain electric characteristics are classified into left hand motor imagery tasks and right hand motor imagery tasks. The brain electric characteristic classification method which combines threshold detection and supporting of a support vector machine is stable and reliable, improves the accuracy of classifying the motor imagery brain electric characteristics, and effectively shortens the classification execution time.

The invention discloses a vehicle safety protection system, which comprises a server, a vehicle body control system and a communication positioning device, wherein the communication positioning device comprises a mobile terminal positioning module and a client application module which are connected, the client application module is communicated with the server through a network, and the vehicle body control system comprises a vehicle body controller and a vehicle-mounted communication device communicated with the client application module. Through adopting the structure disclosed by the invention, the vehicle safety protection system has the following advantages that: 1, the vehicle safety protection system is applied to controlling space among vehicles and between vehicles and pedestrians, the vehicle-mounted communication device is responsible for communication with the communication positioning device through Bluetooth or a data cable communication, and distribution information of surrounding vehicles and pedestrians is transmitted to an electronic control braking system and/or an electronic control steering system, thereby realizing danger warning and active braking for vehicles or intervention for steering; and 2, occurrence of accidental collision is avoided.

The invention provides a device and a method for communicating through a universal serial bus (USB) interface and charging an external device. By the aid of the device and the method, the problem that in an existing technology, the USB interface cannot be used for communicating is solved, and the quick charging is achieved. A current detecting circuit is respectively connected with a management module, a current source and the USB interface. According to current output of the current source, a first detection signal is output, the management module outputs a second control signal, a first control signal is delayed to output in accordance with the first detection signal, and a shift switch which is connected with the management module is used for short-circuiting two USB data lines of the USB interface in accordance with the second control signal and for disconnecting two short-circuited USB data lines of the USB interface in accordance with the first control signal. After being inserted, a device to be charged is controlled by the management module, two short-circuited USB data lines are disconnected in delay, the device to be charged selects an adaptor of a large current mode to be charged quickly, and the communication is achieved through the USB data lines.

The invention relates to a vehicle-bone intelligent power management system used for CAN bus technology vehicles, belonging to the technical field of electronic vehicle control. The system includes a current and voltage monitoring device, a temperature monitoring device, an n route intelligent relay, an m route restorable fuse, a digital electric converting device and a CAN/LIN gateway; wherein, the input end of the current and voltage monitoring device is directly connected to the anode of a storage cell; the output end of the power electric signal of the current and voltage monitoring device is respectively connected to the input ends of the m route restorable fuse, the n route intelligent relay and the digital electric converting device; the temperature monitoring device is arranged at the proper position of the storage cell; the output end of the communication signals of the current and voltage monitoring device, the temperature monitoring device and the intelligent relay are connected with the CAN/LIN gateway by an LIN bus; the CAN/LIN gateway and the digital electric converting device are directly connected with the CAN bus of the body of the vehicle. The system realizes the on-off control of the power electricity of the vehicle by adopting a digital signal, monitors the sate of the storage cell of the vehicle, prevents the storage cell from over-discharging and reduces the static power consumption of the storage cell.

The invention relates to an underwater LED (light-emitting diode) visible light communication system. The underwater LED visible light communication system comprises a water-proof and sealed transmitting device and a water-proof and sealed receiving device which are placed underwater; the transmitting device comprises a light source and a control unit for modulating a light signal emitted by the light source according to information to be transmitted; and the receiving device comprises a light receiving unit for receiving the modulated light signal from the transmitting device, and a demodulating unit for demodulating the received modulated light signal so as to restore the transmitted information. According to the technical solution, by modulating the transmitted information into the light signal, underwater wireless optical communication is achieved, thus not only improving the transmission rate and reducing the size and attenuation, but also avoiding interference to a human body and surrounding electronic equipment and achieving dual functions of lighting and communication.

The method comprises: installing the GPS receiver at any location of the scene as a base station; the GPS receiver receives the GPS satellite signals and generates the differential correction information; the differential correction information is uploaded to the relay server via radio communication network; the relay server sends the differential correction information to the user's receiver of mobile station via radio communication network; the mobile station receives the GPS satellite carrier and pseudo range signal and navigation message, and receives the differential information from relay server via the radio communication network so as to realize the relative positioning between the base station and mobile station; making coordinate conversion and calculation for the positioning result to the user-desired coordinate.

The invention relates to a comprehensive intelligent communication method of a heterogeneous network based on cloud calculating, an intelligent gateway for executing the method and an intelligent server integrated with the gateway. In the method, a cloud computing server, the intelligent server and the intelligent gateway are utilized, so that each intelligent device is allowed to exchange data with the intelligent server through a special controller of each intelligent device and via the intelligent gateway as well as carry out each function item by means of the intelligent server. The method is characterized in that the method comprises the steps of registering, searching, matching, protocol setting, intelligent network configuring and communicating. With the application of the method, the intelligent gateway, the intelligent server and the intelligent system in the invention, a lot of various intelligent devices can be used more flexibly without the limitation of communication protocols supported by the intelligent devices.

The invention provides a virtual machine message forwarding method, network switching equipment and a communication system. The method comprises the following steps: the network switching equipment acquires a virtual machine message in which information on a logic channel of a source virtual machine is capsulated; if the target virtual machine of the virtual machine message is a virtual machine related to the network switching equipment, the information of a logic channel of the target virtual machine is acquired according to a mark of the target virtual machine; and the network switching equipment achieves validity checkout of the virtual machine message according to the information of the logic channel of the source virtual machine and the information of the logic channel of the target virtual machine, and only when the virtual machine message is valid, the virtual machine message is de-capsulated and sent to the target virtual machine. By adopting the virtual machine message forwarding method, the network switching equipment and the communication system, which are provided by the invention, effective isolation of logic channels in the multi-channel technology is realized.

The invention discloses a D2D communication method. The method comprises the step that control information and data information are born on a physical resource block, wherein the control information and the data information need to be sent; the control information comprises at least one of a modulation and coding scheme MCS, a redundant version RV and a new data instruction NDI, and at least one of the MCS, the RV and the NDI is mapped on a high frequency part RE in the physical resource block; the data information is mapped on a blank RE except the RE on which the control information is mapped in the physical resource block; and the physical resource block is sent to a target user device in a D2D communication link between devices. The invention further discloses a D2D communication system. According to the embodiment of the invention, by rationally configuring an uplink physical channel of D2D communication, the utilization rate of a high frequency spectrum and the data transmission rate can be improved.

The invention relates to an online prevention and control method for low-frequency oscillation of an electric power system on the basis of two types of mechanisms. By the method, according to the idea of online pre-decision and real-time matching, low-frequency oscillation of a negative damping mechanism and low-frequency oscillation of a forced resonance mechanism can be monitored, the low-frequency oscillation of the negative damping mechanism can be monitored online and decision supporting information can be provided by utilizing a time-domain online Prony algorithm, a real-time small interference frequency-domain QR (quadrature right-triangle)algorithm, an IRA(irregular repeat-accumulate) algorithm and a characteristic value sensitivity principle; and further, when damping ratio of a capstan oscillation mode is higher than a damping threshold while oscillation exists, transmission rules of the low-frequency oscillation of the forced resonance mechanism and disturbance sources are recognized by a direct method and a hybrid dynamic simulation method which is implemented on the basis of PSD-FDS whole process stability analysis software. By the online prevention and control method which is high in credibility, real-time data source communication is guaranteed, and the low-frequency oscillation of the two types of mechanisms are monitored on line.

The invention discloses a communication method between a virtual machine and a host machine, the host machine and a virtual machine system. A port file is assigned for the virtual machine by a port communication device which is arranged in the host machine and the port communication device starts host machine port communication services. The port file can be read, written and monitored by the host machine port communication services. Data interaction is performed between the virtual machine and the host machine through reading and writing of the port file. According to the communication method between the virtual machine and the host machine, the host machine and the virtual machine system, the port communication device, namely a port communication module, is added into the host machine and accordingly the communication between the virtual machine and the host machine can be achieved and an encrypted file which is arranged on the host machine is read and written and accordingly the communication between the virtual machine and the host machine can be achieved without TCP/IP (Transmission Control Protocol/Internet Protocol) network or under the condition that a firewall port is fully closed and accordingly the communication between applications inside the virtual machine and applications outside the virtualization environment can be achieved.

The invention discloses a method and a system for network-based automobile diagnosis. The method comprises the following steps of: arranging a browser component at a user terminal for transmitting a user diagnosis request, and receiving and displaying the result of the diagnosis request; wherein the browser component comprises a communication element and a communication connection element carrying a browser; arranging a server component at server for recognizing and authenticating users, and submitting and responding a user diagnosis request from the browser component; and arranging an automobile communication component at a communication terminal for communication of data comprising user information and vehicle diagnosis information among the server component, an automobile, and user terminals. By the method and the system for automobile network diagnosis provided by the invention, a traditional hand-held type diagnose instrument can be replaced, a client is not required to be installed, and users can realize automobile diagnosis and interaction and storage of diagnosis information only by the browser.

The invention relates to a mobile social network implementation system and method based on vehicle communication. The mobile social network implementation system comprises an intelligent mobile terminal, a social network application service platform based on vehicle communication and a mobile cellular network or a WiFi communication network supporting mobile data communication. The social network implementation method comprises the first step that a license plate number is registered, the second step that a mobile phone number and the license plate number are bound, the third step that a user logs into and uses the social network application service platform and the fourth step that the user logs out of the social network application service platform. The mobile social network implementation system and method based on vehicle communication have the advantages that the popularizing rate of the intelligent mobile terminal increases year by year, and the intelligent mobile terminal is carried with the user and can be used as a vehicle-mounted mobile terminal; since mobile internet is achieved through the mobile cellular network and the like, communication between vehicles can be achieved efficiently at low cost, information communication between vehicle divers is realized, and popularization and convenience of the internet of the vehicles are promoted.

The invention discloses a Hadoop-based distributed intrusion detection system which comprises a data acquisition module, a data storage module, a control center and a data analysis module, wherein the control center comprises a system management module, a system monitor module, a task scheduling module and an alarm response module. By utilizing a Hadoop-based distributed computation framework, the system is allowed to have good interoperability, and the system reliability is improved; the system carries out data parallel acquisition through a distributed mode, thereby improving data acquisition capability and reducing packet loss probability; in an algorithm adopted in the system, data is allocated according to capacity and load of nodes, and adjustment is carried out by utilizing a dynamic load balancing strategy, so that data processing capacity of the nodes is given effective play to, and load balancing of the system is maintained; and through the algorithm, the case of distributing the data comprising the same attack to two or more detection nodes for processing separately, which damages integrity of the data, is prevented, and detection efficiency is improved effectively.

The invention discloses a method for data interaction between a home server and a plurality of terminals. The method is used for communication between a mobile intelligent terminal and a network in an intelligent home. A plurality of network forms are supported, control commands can be transmitted, and uplink data can be transmitted and resolved. A function of connecting the intelligent terminal, a home gateway, an indoor terminal and a web camera is realized, and communication with the gateway, the indoor terminal and the intelligent terminal is also realized, wherein the communication with the gateway and the indoor terminal is realized through the Ethernet, and the communication with the intelligent terminal is realized by connecting the intelligent terminal with the server through a general packet radio service (GPRS) network, a wireless fidelity (WIFI) network and a third-generation (3G) network, forwarding a control command to the gateway after a server background receives the control command from the mobile terminal, and transmitting the control command through the gateway to realize a function of controlling equipment by a mobile phone. The control, energy consumption management, environmental detection, home security, intelligent healthcare and the like of the conventional home appliances are finally realized. The method can be widely applied to intelligent home systems, and is high in compatibility.