119results about How to "Realize time division multiplexing" patented technology

The invention discloses a method for on-chip network route transmission message, comprising: when receiving the header flake of the message, according to the serial number of the routing information in the header flake, writing the header flake into the corresponding Input in the cache queue of virtual channel; According to the routing information in the header flake and the current routing information, utilize routing algorithm to obtain the output port of the message; Obtain the output virtual channel that the output port is idle, and send the The output virtual channel is allocated to the message, and an output port request is generated; the output port request is arbitrated; if the arbitration is successful, the message is transmitted through the output virtual channel; the method is in the wormhole The introduction of virtual channel technology on the basis of the switching mechanism can solve the message blocking problem generated in the wormhole switching mechanism, and improve the utilization rate of the physical channel and the throughput rate of the entire network transmission; the invention also discloses an on-chip network routing transmission Message system.

The invention provides a universal data acquisition system. The system comprises a data acquisition device and a upper computer, wherein the data acquisition device comprises a microprocessor, a reusable data acquisition channel, a memory expansion module and an interface module; the microprocessor is connected with the reusable data acquisition channel, the memory expansion module and the interface module respectively; the reusable data acquisition channel is defined with different communication protocols, corresponding communication protocols are selected according to the requirement of practical tests, and different output signals with the same output signal type are transmitted through the same data acquisition channel by using the selected communication protocol; and the data acquisition device is communicated with the upper computer through the interface module. Therefore, the universal data acquisition system has the advantages that sensors with consistent function and same output signal type can reuse the same data acquisition channel, and the safety performance of elevators, pumps, air compressors, ventilators and other mineral machinery and electrical equipment can be tested by using the same data acquisition system regarding different test requirements.

The invention relates to the field of electromobiles, and particularly provides a charging control system and method for an electromobile. The charging control system for the electromobile comprises a shared charging power unit set, a charging terminal set, a switching group and a charging control device. The charging control method for the electromobile comprises the following steps that the calibrated charging current information of the electromobile is obtained, the matched combination of shared charging power units is worked out, and the electromobile is charged in the manner that the switching group is controlled to select the shared charging power units in the combination to be communicated with charging terminals. According to the charging requirement of the electromobile, the matched combination of the shared charging power units is worked out, the shared charging power units in the combination are communicated with the electromobile, and the electromobile is charged. The combination of the communicated shared charging power units is dynamically adjusted according to the actual charging current information. According to the charging control system and method, the time sharing multiplex of the shared charging power units can be achieved, and the utilization rate of the shared charging power units is increased.

The invention relates to the technical field of display, in particular to a display drive circuit which comprises a touch signal end, a first clock end, a second clock end, a power end, a drive signal enable end, a drive electrode signal end, a public electrode signal end and a plurality of cascaded sub circuits. Each sub circuit comprises a logic unit, a drive unit and a transmission unit. The logic units are connected with the touch signal end, the first clock end, the second clock end, the power end, the drive signal enable end and the drive units. The drive units are connected with the transmission units which are connected with the drive electrode signal end and the public electrode signal end. By means of the display drive circuit, common-electrode time-division multiplex access of an embedded type capacitance touch screen in a narrow-frame display device is achieved.

The invention discloses a co-rectifier transformer medium voltage type regenerative braking energy feedback device and a control method thereof; the feedback device comprises a rectifier transformer,an energy feedback unit, and a rectifier unit; a grid connected switch and an isolation transformer are respectively connected in series between the energy feedback unit and a rectifier transformer valve side winding; the energy feedback unit comprises two inverters; DC sides of the two inverters are provided with a single-knife-double-end isolation switch block; the DC sides of the two invertersare connected with a DC traction network through the single-knife-double-end isolation switch block; the feedback device control method comprises the following steps: starting, running and stopping the energy feedback unit according to a first startup threshold value, a second startup threshold value, an overvoltage protection value, a stop threshold value and a current gradient determination value. The feedback device can eliminate the circulation between the energy feedback unit and the rectifier unit, has a larger feedback capacity than a low voltage feedback device, has a simplified structure when compared with a conventional medium voltage feedback device, and uses less general assembly dimensions and land occupation areas, thus reducing cost, and providing good versatility.

The invention discloses an optical fiber sensor array, and belongs to the technical field of electromagnetic measurement and the microwave photonics. The optical fiber sensor array comprises a Kth optical switch array and a set of optical fiber sensors connected with ports of the Kth optical switch array respectively. The switch time sequence of the optical switch array is controlled, a corresponding delay scheme is combined, time division multiplexing is achieved, and the measurement data of the optical fiber sensors at the same time can be obtained in sequence. The invention further discloses an antenna pattern measuring device and measuring method. The optical fiber sensor array is used for measuring the space electric field intensity of all optical fiber probes at the same time in sequence, and therefore an antenna instant pattern can be measured. Electromagnetic interference caused by a metal probe in the traditional antenna pattern measuring process is eliminated, and spatial resolution, measurement precision and measurement speed are improved. In addition, antenna instant pattern measurement which cannot be achieved by a traditional measurement method can be achieved, and a pulse radar pattern can be measured.

The invention discloses field programmable gate array (FPGA) implementation equipment and an FPGA implementation method for self-adaptive clutter suppression of external radiation source radar. The method comprises the following steps of inputting four paths of channelized data to be processed into a finite impulse response (FIR) filter module through a first in first out (FIFO) memory inside a self-adaptive clutter suppression module of an FPGA chip; inputting two paths of data, channelized by an auxiliary antenna, into a step length calculation module through the FIFO memory, and calculating the step length through the step length calculation module; simultaneously inputting the output of the step length calculation module and two paths of output of the FIR filter module into a weight updating module; inputting an updated weight into the FIR filter module; and performing synchronous parallel output on clutter suppression results through in-phase/quadrature (I/Q) channels. The self-adaptive clutter suppression is controlled by five global clocks with the same rate and different phases. The self-adaptive clutter suppression of the external radiation source radar can be better realized. The problem of difficulty in meeting of a requirement on real-time performance caused by large conventional clutter suppression equipment amount is solved. The equipment and the method are high in processing efficiency, high in calculation speed and low in equipment complexity, and are used for implementing the self-adaptive clutter suppression of the external radiation source radar.

The invention discloses an air conditioning system and a communication method of the air conditioning system. The air conditioning system comprises an indoor unit and an outdoor unit. The indoor unit comprises a first wireless communication module. The outdoor unit comprises a second wireless communication module. The second wireless communication module is in communication with the first wireless communication module. One of the indoor unit and the outdoor unit is a host. The other one of the indoor unit and the outdoor unit is a slave. The host and the slave complete handshake through one of at least one shared channel. One of multiple work channels is selected by the host to be used as the work channel between the host and the slave, the work channel is transmitted to the slave from one of the shared channel, and therefore the host and the slave conduct communication through the selected work channel. By the adoption of the air conditioning system and a communication method of the air conditioning system, wireless communication between the indoor unit and the outdoor unit of the air conditioner is achieved, the problems that when wire communication is adopted, efficiency is low, the fault rate is high, and energy is wasted are solved, and the problem of channel disturbance caused during wireless communication is also solved.

The invention provides a power converting device. The power converting device comprises asymmetric half-bridges arranged at each motor winding, wherein two of the asymmetric half-bridges are taken as boost rectifying circuits, diodes at lower portions of the two asymmetric half-bridge circuits are replaced by thyristors, so each of the two asymmetric half-bridge circuits comprises two electric power electronic switch devices (IGBT or MOSFET), one diode, one controllable thyristor and one phase of the motor winding, the other asymmetric half-bridge circuit which is taken as a buck-boost charging circuit comprises two electric power electronic switch devices, two diode, one phase of motor winding and a contactor, and the contactor is arranged between a collector electrode of the upper electric power electronic switch device and a cathode electrode of the upper diode. The power converting device provides a compensation method for static charging of a rotor through hardware topology and software algorithm, so static charging of the charging mode rotor is realized, time division multiplexing of the device is further realized, cost of a component and wiring complexity of a circuit board are greatly reduced, and a hardware structure is made to be more compact.

The invention provides a conversion device capable of integrating drive and low-voltage battery charging of a switch reluctance motor. The conversion device capable of integrating drive and low-voltage battery charging of the switch reluctance motor comprises a high-voltage energy-storing module, a driving module which is connected with the high-voltage energy-storing module, a control module which is connected with the driving module, and also a direct current (DC)-direct current (DC) conversion module which is connected with the control module and the driving module, wherein low-voltage electric energy is stored in a low-voltage energy-storing module and used to supply power to low-voltage equipment. The control module is used to control operation of the driving module and the low-voltage energy-storing module according to preset procedures. The driving module drives operation of the switch reluctance motor, is used to receive a command of a control unit to drive the DC-DC conversion module, and charges the electric energy of the high-voltage energy-storing module to the low-voltage energy-storing module. Meanwhile, the function of the drive and low-voltage battery charging of the switch reluctance motor is integrated, not only is device space saved, but also time sharing multiplexing of the device is achieved. Cost of a component and complexity of wiring of a circuit board are greatly reduced so that a hardware structure is more compact.

The embodiment of the invention provides an on-board local area network switchable gateway, an on-board local area network monitoring method and an on-board local area network system. A circuit switching device in the switchable gateway is respectively connected with a diagnostic bus in the on-board local area network and each communication bus, and switching between the diagnostic bus and the communication bus can be carried out. A communication device in the switchable gateway receives a monitoring instruction transmitted by an external monitoring device via an external communication interface, and the monitoring instruction is transmitted to the circuit switching device. Through arranging the switchable gateway in the on-board local area network, a switching function between the diagnostic bus and other communication buses is added in the switchable gateway, the monitoring device such as a diagnosis instrument or a message monitoring device can be in butt-joint with the diagnostic bus and the communication bus via the external communication interface and the switchable gateway, time-sharing of diagnosis and monitoring of the on-board local area network is realized, and the on-board local area network can be effectively monitored.

The invention discloses a method for combining electricity replenishment appointment of a new-energy purely-electric bus and intelligent bus dispatching. The method comprises a bus-mounted storage battery detection device, a bus-mounted display and warning device, a wireless transceiving module and an intelligent bus dispatching system. The method comprises the following steps: counting vacant sites of all charging piles and the charging time interval of each charging pile in a statistic manner, positioning the position of a corresponding bus through a GPS module, arranging the nearest vacant charging site for the bus needing to be charged, and sending the position of the vacant charging site to the corresponding bus-mounted display and warning device. With the method, whether a vehicle needs to be charged can be automatically judged, a nearby eligible charging station is automatically matched according to the replenished electric quantity and the next operation time of the vehicle, and the expected arrival time, the chargeable time and the charging power are provided, so that the manpower is saved, the data accuracy is ensured, and needs of bus operation are met.

An electric physiologic data monitoring system based on a baseband processor and an Android system comprises wearing equipment, a pulse wave sensor, a physiological data acquisition terminal, a multifunctional monitor and a background server. The multifunctional monitor is provided with a baseband processer, a built-in Android operation system and an application program module running in the operation system and is capable of checking physiological data states at any time. An electrocardio signal sensor, a body temperature sensor and an acceleration sensor are arranged in the wearing equipment and connected with corresponding signal detecting circuits in the physiological data acquisition terminal. The signal detecting circuit, a filtering and amplifying circuit, an analog-digital conversion circuit, an RAM (random-access memory) module and a DSP (digital signal processor) module are arranged in the physiological data acquisition terminal. Processed physiological data are stored in the RAM module temporarily by the aid of the physiological data acquisition terminal and then transmitted to the multifunctional monitor under control of the DSP module, and physiological data packets are transmitted to the background server by the aid of the multifunctional monitor through a communication network or a wireless network to achieve real-time dynamic monitoring of the physiologic data.

The invention relates to an LED lamp panel, a tail end terminating module, an LED control card and an LED display system. A channel selection circuit is arranged on the LED lamp panel, a data storing, reading, writing, inputting and outputting circuit is arranged on the tail end terminating module, an input and output marking signal is generated by the LED control card in a matched mode to control the functions of a data wire on the LED lamp panel at different moments, and time multiplexing of the data wire is achieved. Thus, return of detected data is achieved under the condition of not influencing load of the LED control card, performance of the LED control card is optimized, the performance index of the LED control card is greatly improved, and meanwhile the detection function of the lamp panel is achieved.

The invention discloses a method and device for multi-viewpoint image acquisition and a three-dimensional camera. The device comprises a plurality of optical lenses, image sensors, a viewpoint selection unit and an optical path control unit. The number of the optical lenses is equal to that of multiple viewpoints. More than one viewpoint is selected from the viewpoints through the viewpoint selection unit to serve as current processing viewpoints, and the optical path control unit controls multipath optical signals to enable the optical signals of the current processing viewpoints to enter the image sensors so as to convert the optical signals of the current processing viewpoints into digital image signals of the current processing viewpoints and obtain digital images of the current processing viewpoints. On the basis of the technical scheme, on the conditions that digital image quality is not reduced, the fewer image sensors are utilized to obtain the multi-viewpoint digital images.

The invention discloses a multi-point measuring temperature sensor based on an optical fiber radiation attenuation temperature property. The multi-point measuring temperature sensor comprises an optical source, an optical splitter, N reference optical path channels, N measuring channels, a sensitive optical fiber sensing head, a double-channel optical power meter and a computer; an optical switch is embedded between each measuring channel and the optical power meter; the light switches can be controlled to be switched among the measuring channels so as to achieve the time division multiplexing of the sensor; and once the sensor is simplified to use, one reference light path channel is adopted to replace the N reference light path channels. According to the multi-point measuring temperature sensor, sensitive optical fiber sensing heads of the different measuring channels are positioned in different temperature environments, so that the distributive measurement on temperatures can be achieved, the temperature variation at a plurality of measuring points of a measured system can be monitored at the same time, and the temperature of each measuring point can be accurately distinguished.

The invention provides a data transmission method and device, and belongs to the technical field of communication. The method comprises the following steps: acquiring a multi-channel coding block stream, distributing coding blocks in the multi-channel coding block stream according to a time slot based on a preset multiplexing sequence to form a channel of coding block stream, and carrying out segmented packaging processing on the channel of coding block stream to generate at least one frame. According to the invention, the time delay of data transmission can be reduced.

The invention discloses a time-division duplexing digital filter, which comprises an uplink-downlink selection module, a multiple selector, a digital filtering module and a demultiplexer. The time-division duplexing digital filter of the invention utilizes the characteristic of the time division multiplexing of the time-division duplexing communication system, namely the characteristic that the uplink and the downlink do not simultaneously work and a certain guard interval exists for the conversion between the uplink and the downlink, and carries out the filtering processing of the uplink data and the downlink data in a time sharing manner by using the same filter resource so as to realize the time-division multiplexing with further lowering the cost and power consumption of the filtering processing in the time-division duplexing communication system.

The invention provides a hierarchical video code stream coding method for a time division multiplexing neural network processor. The hierarchical video code stream coding method comprises the following steps: obtaining a synchronous video, and forming a video object in the synchronous video according to a preset analysis model; obtaining the synchronous video, and optimizing the image in the synchronous video according to a preset optimization model to form an optimized video; obtaining the video object, a task processing model and the synchronous video, allocating processing resources to a task processing process of the task processing model by time division multiplexing, and carrying out corresponding task processing on the video object to form corresponding object description information; and carrying out video coding on the optimized video, coding the corresponding object description information, and embedding video code stream to form hierarchical code stream of a source video. The optimized video and the analysis and processing result information of the video objects are synchronously combined in a coding mode, so that the source video forms the hierarchical code stream containing video contents and related information of the video objects. The invention further provides hierarchical video code stream coding architecture for the time division multiplexing neural network processor.

The embodiment of the invention discloses an Internet of Things equipment call control method, device and system, and the system comprises a number management system which is used for building a callbinding relation between a second identity of IOT equipment and a communication number with a use permission; a first signaling system which is used for carrying out authority verification on the IOTequipment through the call binding relationship stored by the number management system, establishing call connection with the target call equipment through a second signaling system of the communication network operator and opening a data port; and a first media system which is used for receiving and transmitting a call data packet on one side of the IOT equipment through a data network under thecondition that the data port is open, and receiving and transmitting a call data packet on one side of target call equipment through a second media system of the communication network operator. Through the embodiment of the invention, the function of 'answering and calling' through the IOT equipment can be realized more conveniently.

The embodiment of the invention discloses a vehicle-mounted charging and discharging system and method, wherein the system comprises an AC interface, an isolation change-over switch, a first converter, a second converter, a high-voltage battery interface, a low-voltage battery interface and a controller. The controller is used for controlling the isolation change-over switch to be switched to a first conduction state so as to conduct the alternating-current interface with the high-voltage battery interface through the first converter and the second converter which are connected in series, controlling the first converter to work in a PFC mode or an inversion mode and controling the second converter to work in a DCDC isolation conversion mode, and the controller is also used for controllingthe isolation change-over switch to be switched to a second conduction state so as to conduct the low-voltage battery interface with the high-voltage battery interface through the first converter andthe second converter which are connected in series, controlling the first converter to work in the DCDC conversion mode, and controlling the second converter to work in the DCDC isolation conversion mode. According to the present invention, the size of the vehicle-mounted charging and discharging system can be reduced.

The invention provides an SD/MMC (Secure Digital Memory Card/Multimedia Card) and IIC (Inter-Integrated Circuit) slave control equipment, and a control method and a control system thereof. The equipment comprises a control unit, an IIC slave and an SD/MMC card. The control unit is provided with first interface pins. The SD/MMC card and the IIC slave are connected with the control unit through the first interface pins. The SD/MMC and IIC slave control equipment, and the control method and the control system thereof have the advantages that the hardware pin resources of the control unit which are occupied by an IIC bus and an SD/MMC connecting bus can be saved and the cost of simultaneous use of the two kinds of buses can be reduced.

The present invention discloses a call control method, which comprises the following steps: receiving a number acquisition request sent by a client; obtaining a virtual number in an assignable state from a pre-stored virtual number set, wherein the virtual number set comprises a plurality of virtual numbers; obtaining an actual number of a target communication user based on the number acquisitionrequest, and establishing a mapping relationship between the virtual number and an actual number; sending the virtual number to a client, so that the client displays the virtual number, and calling, via the user, the target communication user through the virtual number. Based on the call control method disclosed in the present application, the operation for the user to dial the virtual number of the enterprise can be simplified under the premise of reducing the enterprise cost.

The invention provides a transceiver design method and device, and belongs to the field of wireless transceiver systems. According to the design method, a time division multiplexing mode is adopted, an amplifier unit is multiplexed at the front end of the multi-channel transceiver, so that a plurality of receiving channels share one low-noise amplifier, and a plurality of transmitting channels share one power amplifier. The front end of the transceiver device comprises a radio frequency filtering module, a front time division module, a multiplexing amplification module, a rear time division module and a storage module, a time division multiplexing mode is adopted, and the time division modules of all channels are switched on in a time division mode, so that signals in all the channels aresent into the multiplexing amplification module to be processed in different time slots. According to the invention, the chip area of the multichannel transceiver is reduced, so that the transceiver system is efficient and miniaturized.