31results about How to "Normal data transfer" patented technology

A digital communication equipment and method for the integrated radio digital warning system of locomotive features that a 800-MH2 integrated digital radio station with 821.2375 MH2 as receiving frequency and 866.2375 MP2 as transmitting frequency is used. Its advantages are no cross-talking interference, and high transmission power.

The invention discloses a Space Wire bus communication system and monitoring equipment of the Space Wire bus communication system. The monitoring equipment comprises a monitoring board card, a first Space Wire port, a second Space Wire port, a computer and a storage module; the monitoring board card is used for transmitting interaction data of external master node equipment and slave node equipment between the first Space Wire port and the second Space Wire port, decoding the interaction data to generate a corresponding data packet and carrying out time marking; the computer is used for reading the data packet added with a time marker of the monitoring board card, analyzing the data packet according to a Space Wire communication protocol, and storing analyzed packet header information, data information and time information into the storage module. The monitoring equipment is used for carrying out the time marking and recording on the interaction data; when communication faults occur, time and bit of fault data can be found through playing back the stored data packet, so that reasons of faults are found and the faults are positioned.

The invention discloses a path diversity-based crossbar switch fine-grit fault-tolerant module in a network on a chip and a method thereof, and the crossbar switch fine-grit fault-tolerant module and the method are applied to a router which consists of five input ports, a routing computation module, a crossbar switch distribution module and five output ports. The crossbar switch fine-grit fault-tolerant module comprises a BIST detection unit, a fault-tolerant unit, an additional control unit and a crossbar switch. Through fine grit, different fault conditions of a data distributor, an internal link and a data selector in the crossbar switch are considered; the fault-tolerant unit is used for carrying out fault tolerance on the faults of the data distributor and the internal link, and enabling a fault-tolerant path to be diversified; meanwhile, the data selector is added to carry out fault tolerance on the data selector. According to the crossbar switch fine-grit fault-tolerant module and the method, normal data transmission can be carried out at the cost of relatively small hardware expense under the condition that the crossbar switch is high in fault rate, so that the network throughput is improved.

The invention provides a multi-mode wireless intelligent distribution and coverage system, comprising a main machine control unit, sub-machine distribution units and sub-machine coverage units. The main machine control unit communicates with the sub-machine distribution units and the sub-machine coverage units respectively through a wireless transmission manner, realizes the transmission of radio frequency signals, and controls the sub-machine distribution units and the sub-machine coverage unit. The sub-machine distribution units communicate with the main machine control unit through a wireless accessing method and realize the transmission of the radio frequency signals. The sub-machine coverage units communicate with the sub-machine distribution unit through optical fibers, realize the transmission of the radio frequency signals, and cover the coverage area through a sub-machine coverage antenna as well as receive the uplink signals from the terminals in the coverage area. Each sub-machine distribution unit can be accessed to eight sub-machine coverage units in a parallel-connection manner; and each sub-machine coverage unit supports four-level cascade-connection. With the system of the invention, it is possible to complete the introduction of 2G, 3G and 4G signals at the same time. The system cannot only be mounted and managed conveniently, but also does not occupy the installation space.

The invention provides an FPGA-based DM365 data transmission interface circuit and belongs to the field of circuit design. The FPGA-based DM365 data transmission interface circuit comprises a DM365 chip and a peripheral circuit, wherein an FPGA-based interface adaptation circuit is connected between an EMIF transmission interface and an SPI transmission interface of the DM365 chip and the peripheral circuit and is used for converting an EMIF protocol transmitted by the EMIF transmission interface and an SPI protocol transmitted by the SPI transmission interface into protocols performing communication with an RAM memory circuit or an FIFO memory circuit; and the EMIF interface and the SPI interface of the DM365 chip can be connected with an RAM memory and an FIFO memory through the FPGA-based DM365 data transmission interface circuit, and therefore the DM365 chip can perform communication with more peripheral circuits. Through the FPGA-based DM365 data transmission interface circuit, the technical problem that a single DM365 chip transmission interface and a single communicable peripheral circuit are available in the prior art is solved, and function extensibility is more flexible.

The invention discloses an electrostatic discharge device. The electrostatic discharge device comprises an electrostatic pile and a power supply and is characterized in that an electrostatic pile headat the top of the electrostatic pile is made of a subconductor material, a single-chip microcomputer is mounted inside the electrostatic pile, the input end of the single-chip microcomputer is electrically connected with the output end of a human body sensor, a resistance detecting circuit is electrically connected to the single-chip microcomputer, the resistance detecting circuit is connected tovoltage of 3.3V and the 2-way ADC of the single-chip microcomputer to perform detection, the resistance detecting circuit performs resistance calculation by using a voltage dividing manner, the single-chip microcomputer and a network module adopt SPI communication, and the network module is electrically connected with PDS through a switch. The electrostatic discharge device has the advantages that the device supports online upgrading, ground resistance detecting and touch alarm on whether the electrostatic discharge is completed or not, each electrostatic pile has an independent IP address, the electrostatic pile can be directly controlled through PDS to modify the internal IP address, cost caused by follow-up equipment upgrading can be reduced, and follow-up cost can be reduced greatly.

The embodiment of the invention provides a resident state detection method, device and equipment. The method comprises the steps that when the situation that a non-connection state service card occupies hardware resources to execute non-connection state service is changed into the situation that a connection state service card occupies the hardware resources to execute the connection state service, abnormal detection is conducted on the residence state; and if the abnormal detection result is that the resident state is in the abnormal state, RRC reconstruction is triggered. According to the embodiment of the invention, when the connection state service card recovers the connection state service, anomaly detection can be carried out on the resident state in time, and when the anomaly detection result is that the resident state is in the abnormal state, RRC reconstruction is triggered in time, so that the resident state can be quickly identified to be in the abnormal state, and the connection state service card can normally carry out data transmission.

The invention provides a daughter board, a mother board and a verification system. The daughter board used for being connected to the mother board comprises a first interface unit used for being connected to a second interface unit of the mother board, a voltage conversion unit which comprises a power supply output end used for being connected to the mother board, a first output port used for being connected to the first interface unit and a second output port used for being connected to the second interface unit; a power supply of the mother board provides a first voltage; the voltage conversion unit converts the first voltage into a second voltage, and the second voltage is applied to the first interface unit of the daughter board and the second interface unit of the mother board through the first output port and the second output port respectively.

The invention discloses a high-reliability optical fiber composite insulator. The insulator comprises a core rod, a skeleton, a first heat insulation layer, an umbrella skirt and an armour clamp. Thecore rod comprises an optical fiber solidified body, a second heat insulation layer and a core rod body layer; the optical fiber solidified body is an epoxy resin rod; at least two optical fibers which are axially arranged and spaced from each other are arranged in the epoxy resin rod. The second heat insulation layer is coated and cured outside the optical fiber cured body; the core rod body layer is coated and cured outside the second insulating layer; the skeleton is a plurality of epoxy resin rings which are solidified on the outer peripheral surface of the core rod and are axially arranged at intervals; wherein the first heat insulation layer wraps and is solidified outside the skeleton and connected with the adjacent epoxy resin rings in a filling mode, the umbrella skirt wrap and are solidified outside the first heat insulation layer and form umbrella covers at the positions of the epoxy resin rings, the first heat insulation layer is made of glass fibers, and the second heat insulation layer is made of glass fibers and silicate in a mixed mode. The invention further discloses a preparation method for sequentially curing from inside to outside. The invention solves the problem that the service life is influenced by failure due to the fact that the optical fiber in the insulator is snapped under the action of external high temperature and traction.