100results about How to "Fast data transfer rate" patented technology

The invention discloses an electronic scale and a working method thereof. The electronic scale is used for weighing the articles with RFID tags through RFID (radio frequency identification devices) technology. The electronic scale comprises a main controller (1), an input module (2), a weighing module (3) and an RFID module (4). According to the situation that the RFID module (4) has read-only and read-write functions, the electronic scale can finish two charging modes of weighing in an online or an offline manner so that a settlement system can finish settlement quickly. The RFID electronic scale of the invention can simultaneously process a large amount of data information because the data transmitting rate of the RFID module (4) is quick; a settlement counter does not need to scan the tag of each article one by one; by using a non-contact mode, the reader-writer can quickly identify the article information in the RFID tag; so the speed of the follow-up settlement is greatly improved.

The invention relates to the technical field of the communication, and discloses an antenna system and a mobile terminal. The antenna system comprises at least one antenna group. Each antenna group comprises a first antenna and a second antenna. The first antenna is formed on a metal frame, and comprises a first gap installed on the metal frame and a second gap communicated with the first gap. Thefirst gap is extended along a circumferential direction of the metal frame, and the second gap is extended along a direction perpendicular to the first gap, so that the metal frame positioned at theedge of the first gap is divided to a first branch and a second branch. The second antenna is formed on a metallized pattern layer alternately installed with the metal frame. The metallized pattern layer is positioned in a space, away from one side of the metal frame, of a circuit board. In the antenna system, the mobile terminal is additionally provided with at least one antenna group on the original basis, the mobile terminal can be guaranteed to satisfy the mobile communication requirements of 5G and the data transmission requirements, and the good isolation and correlation of the antenna are guaranteed.

The invention provides an FPGA-based real-time panoramic image mosaic method. The method is characterized by, to begin with, carrying out gray conversion on collected video data; then, extracting feature points of each frame image in a video stream through a Harris corner detection method; after obtaining corner coordinates of the front-back two frame images, carrying out calculation on regions with corners as centers respectively through an NCC-SSDA fusion algorithm to find out the correspondence relation between the feature points of the two frame images; removing unmatched point pairs through an RANSAC algorithm, estimating affine transform model parameters, finding an optimum model and taking all of local inner points according with the model as the final matching result; and finally, carrying out fusion on image edges through a weighted smoothing algorithm, and seamlessly displaying images after mosaic. The method can quickly finish single-camera 360-degree panoramic mosaic, and has the advantages of high registration accuracy, high real-time performance and good stability.

The invention provides a Retinex image enhancing method and a Retinex image enhancing system. The Retinex image enhancing method comprises the steps of: carrying out repeated average filtering iteration on a video source image acquired by a video camera to generate an image illuminance component; acquiring an image reflection component according to the source image and the image illuminance component; correcting the image illuminance component and the image reflection component; and calculating to obtain an image after Retinex image enhancement according to the corrected image illuminance component and the corrected image reflection component. The Retinex image enhancing system comprises an iterative convolution module, a reflection component generation module, an illuminance component correction module, a reflection component correction module and an enhanced image generation module, wherein the modules are implemented on an FPGA. The Retinex image enhancing method and the Retinex image enhancing system can be used for carrying out self-adaptive enhancement on images of different types, and ensure the real-time performance of image enhancement.

The invention discloses a multichannel audio signal parallel collection device. The collection device comprises an FPGA processing unit, multiple audio decoding chips and a processor; the multiple audio decoding chips are electrically connected to the FPGA processing unit; the FPGA processing unit is electrically connected with the audio decoding chips and the processor and used for receiving audio data of all the audio decoding chips, namely audio data of multiple channels, fusing and recoding the audio data, increasing the transmission rate with the processor and transmitting the recoded data to the processor. Compared with a traditional integrated A / D chip scheme, cost and power consumption of a whole system are greatly lowered through the collection device.

The invention provides a correlation delay-differential chaos shift keying (CD-DCSK)-based modulation communication method with the advantages of high antijamming capacity, simple circuit structure and low cost. A chaos signal at a transmitting end is subjected to related delay transmission; in front and back two-half symbol periods, two useful signals are transmitted simultaneously; and at a receiving end, the useful signals are subjected to related delay operation of a correlator and are respectively demodulated into useful signals a and b, and the useful signals a and b are subjected to serial conversion to form the original transmitting signals. The method has the advantages of high security of correlation delay shift keying (CDSK), low error rate of differential chaos shift keying (DCSK) and the like; and signals transmitted in channels are more uniform, and have high security and low error rate, and the data transmission rate is 2 times that of the DCSK. Besides, on the implementation of hardware circuits, the CD-DCSK is simpler than QCSK (quadrature chaos shift keying). The method ensures high security, high data transmission rate, higher antijamming capacity and low cost, and is easy to promote.

The present invention relates to the field of mobile communications. Disclosed are a method and device for constructing a wireless local area network based on near field communication (NFC). The method comprises: a first mobile terminal establishes an NFC link with a second mobile terminal; the first mobile terminal transmits a request to the second mobile terminal via the NFC link for obtaining the wireless parameter information of the second mobile terminal; the first mobile terminal receives via the NFC link the wireless parameter information containing access point (AP) information transmitted by the second mobile terminal in response to the request; the first mobile terminal is wirelessly connected to the AP of the second mobile terminal by using the wireless parameter information containing AP information, thus constructing a wireless local area network and transmitting data over the constructed wireless local area network. The invention achieves automatic construction of a wireless local area network and solves the problems of complex process of traditional construction of a wireless local area network and poor usability or low transmission efficiency of a traditionally constructed wireless local area network.

The invention discloses a granular crop grain drying device and method. The drying device comprises a drying box, a conveying mechanism, a drying mechanism, a moisture removal mechanism, a temperature sensor, an input module and a microprocessor, wherein the top of the drying box is provided with a feed port; the bottom of the drying box is provided with a discharge port; the conveying mechanism is used for supporting and conveying crop grains, a feed end of the conveying mechanism is positioned below the feed port, and a discharge end of the conveying mechanism is positioned above the discharge port; the drying mechanism is horizontally arranged above or below the conveying mechanism, and used for emitting infrared rays and irradiating the infrared rays onto the crop grains; the moisture removal mechanism comprises a vent hole arranged in the drying box, and an axial fan installed on the drying box; the temperature sensor is used for detecting the temperature in the drying box; the input module is used for inputting a command by a user; and the microprocessor is respectively connected with the input module, drying mechanism, moisture removal mechanism and temperature sensor. The drying device has the advantages of high stability, high drying efficiency, high drying quality, high automation degree and low energy consumption.

The invention relates to an intelligent public transportation system based on communication and grid computing technology. It is characterized in that it uses the Internet and VPN technology to connect the dispatching room terminals of each bus line and thousands of computers sharing computing resources in the dispatching system form a "virtual supercomputer" sharing computing resources and information resources; each bus The computer in the team dispatching room calculates the "average speed between stops" of the bus on this line based on the real-time positioning information sent back by the buses in real time during the operation of each line, confirms the specific location of the bus, and will need to share the overall "Road average vehicle speed" is uploaded to the summary platform, and each team can read the dynamic road condition information such as congestion stations, congestion intersections, congestion bottleneck nodes and other relevant road sections related to the driving status of this line. It is a low-cost, high-precision, and reliable operation. , high efficiency and good stability, and easy to popularize intelligent public transportation system.

The invention discloses a tower crane monitoring system and method based on nRF24L01and GPRS. The system comprises a sensor node, a gateway, a cloud management platform and a mobile phone App client, wherein the nRF24L01 wireless sensor node is used for acquiring safety information of a tower crane; the gateway transfers the information to the cloud management platform by utilizing a GPRS module; the tower crane can be remotely controlled when a user installs the mobile phone App client based on monitoring of the tower crane. The tower crane monitoring system and method have the advantages of convenience in management, energy conservation, high reliability, small time delay, high flexibility, and high promotion value.

The invention discloses a belt conveyor monitoring system based on the Ethernet. The belt conveyor monitoring system based on the Ethernet is characterized by comprising a monitoring host, a monitoring terminal, an optical fiber communication ring network, a series sensor, a switching value control device, a motor frequency conversion control device, a video monitoring probe and an internet telephone terminal; the monitoring host is a monitoring and control center of the belt conveyor monitoring system; the monitoring terminal completes collection of state information and field environment information of a belt conveyor; the optical fiber communication ring network is a double-ring network; the series sensor is arranged along a conveying belt and is used for detecting the environment information of the conveying belt and monitoring the work state of the conveying belt in real time; and the switching value control device gives out an alarm when the belt conveyor breaks down or running state problems are found and controls corresponding equipment to act or be shut down. The motor frequency conversion control device, the video monitoring probe and the network telephone terminal achieve corresponding functions. A comprehensive monitoring method is provided for monitoring of the belt conveyor.

The invention discloses a multifunctional robot capable of flying in a disaster scene. The multifunctional robot comprises a control module, a sensing module, a mechanical hand module, a wireless data transmission module, a navigation positioning module, a flying movement module, a power driving module, an image collection and processing module, a man-machine interaction module and a first aid material library module. The sensing module, the mechanical hand module, the wireless data transmission module, the navigation positioning module, the flying movement module, the image collection and processing module, the man-machine interaction module and the first aid material library module are all connected to the control module, and both the mechanical hand module and the flying movement module are connected to the power driving module. The search and rescue robot has high artificial intelligence, can rapidly reach the specific position, and is high in man-machine interaction, strong in obstacle crossing ability, high in navigation positioning precision, high in data transmission speed, capable of detecting the content of various gas ingredients in air and giving necessary rescue after finding trapped persons, and strong in search and rescue flexibility and environment adaptability.

The invention provides an FPGA (Field Programmable Gate Array)-based SIFT (Scale Invariant Feature Transform) image feature extraction system, which comprises a kilomega network module, a Gaussian filtering cascading and Gaussian difference module, a gradient computation module, an extreme point detection module and a principal direction and feature descriptor, wherein the kilomega network module is connected with the Gaussian filtering cascading and Gaussian difference module, the Gaussian filtering cascading and Gaussian difference module is simultaneously connected with the gradient computation module and the extreme point detection module, and the principal direction and feature descriptor is simultaneously connected with the gradient computation module and the extreme point detection module. The invention is an image rectification preprocessing system which can precisely extract target feature information in real time.

The invention discloses a vehicle travel security data recording system based on a video capture and processing technology, which comprises a video signal acquisition module, a video signal automatic cleaning module, a control board data acquisition module and a data storage and processing module, wherein the video signal acquisition module is in charge of video signal acquisition and signal transmission; the video signal automatic cleaning module is used for detecting redundant video signals and cleaning data containing noise and can report to other modules; the control board data acquisition module is in charge of acquiring working condition parameters of a vehicle in real time and uploading parameter data to a bus; and the data storage and processing module is used for coordinating works of other modules, providing data interfaces, storing relevant data, carrying out certain analysis and processing on the data and analyzing reasons and promoting when the system has abnormal conditions. In the modules, the video signal acquisition module is accessed into a CAN bus by being connected with the signal automatic cleaning module, and the control board data acquisition module and the data storage and processing module are directly accessed into the CAN bus so as to form an embedded system.

The invention discloses a GSM-based intelligent household electricity larceny prevention ammeter meter reading system with high heat dissipation performance, and belongs to an ammeter meter reading system used in an intelligent household in the field of an intelligent household technology, for the purpose of providing an intelligent household electricity larceny prevention ammeter meter reading system advantaged in far data transmission distance and rapid data transmission rate. The system provided by the technical scheme comprises an ammeter case, a gather, a GSM communication module and a controller. An ammeter register assembly and a rest register assembly of an ammeter in the ammeter case are electrically connected with the gatherer, the gatherer is electrically connected with the GSM communication module, and the GSM communication module is electrically connected with the controller. The system provided by the invention is applied to the ammeter meter reading system in the intelligent household.

The invention discloses a system and a method for following an industrial vehicle. The system comprises a master controller, wherein the master controller is connected with a vehicle control system. The system is characterized by further comprising a UWB base station, a UWB label and a scanning module, wherein the UWB label is used for transmitting a UWB signal; the UWB base station is used for detecting the UWB signal so as to obtain angle and distance information; the scanning module is used for detecting obstacle information in real time; and the master controller is connected with the UWBbase station and the scanning module, and is used for controlling a following action of the vehicle according to the angle and distance information and adjusting the speed of the vehicle according tothe obstacle information. The directional base station is adopted, angles can be identified in a 360-degree omnidirectional mode, the method is simple, and the system is easy to arrange.

The invention discloses an intelligent plant building illumination control method and an intelligent plant building illumination control system. In the invention, a plurality of intelligent control devices and a host computer form an intelligent plant building illumination control network through an RS485 bus; each intelligent control device is arranged in an illumination control box; the intelligent control device mainly comprises a central processing unit, a lamp main circuit and a handheld remote controller and the handheld remote controller controls a plurality of intelligent control devices; the central processing unit adopted has an integrated RS-485 communication interface; and all the illumination control boxes in the plant building form the network through the RS485 bus and the network is connected to an internal Ethernet network of the plant building, so lamps can be remotely controlled and inquired through a communication program of the intelligent plant building illumination control network. The method and system can realize intelligent management of the plant building illumination, reduce waste of the energy sources, reduce labor intensity of workers and realize automatic control for the plant building illumination.

The invention discloses a locomotive overhaul system based on video identification realized by dim light compensated dual cameras. The system comprises an upper monitoring terminal and mobile video acquisition equipment used for acquiring video information of each overhauled object on an overhauled locomotive, wherein the mobile video acquisition equipment comprises a casing, a video shooting device and an electronic circuit board; a data processor, an image synthesis unit and a clock circuit are arranged on the electronic circuit board; the video shooting device is a dual-camera video shooting device comprising a color image acquisition unit, a color image controller, a black-and-white image acquisition unit and a black-and-white image controller. For the black-and-white and color dual cameras, all that is needed is to start a main camera under most shooting scenes, and when an auxiliary camera is started in the dim light environment, the purity of pictures can be improved and the accuracy of image identification is effectively improved. The system has the advantages of simple steps, reasonable design, high overhaul speed and good overhaul effect, and the implementation is convenient.

The invention provides a communication device and method for downhole geological parameters, and relates to the technical field of petroleum drilling measurement while drilling engineering. The communication device for the downhole geological parameters comprises a measurement while drilling system and a measuring and transmitting motor system. The measurement while drilling system comprises a measurement while drilling pipe nipple and a first data receiving and sending pipe nipple. The lower portion of the first data receiving and sending pipe nipple is connected with a first coupler. The measuring and transmitting motor system comprises a second data receiving and data pipe nipple, a screw motor, a near bit measuring pipe nipple and a drill bit. A second coupler is arranged on the upper portion of the measuring and transmitting motor system. The first coupler and the second coupler are in coupling connection. The problems that in the prior art, a wireless transmission mode is unstable in signal transmission, and in a wired transmission mode, the structure of a whole near bit measuring and data transmitting device is complex, and near bit measurement and assembly of a data transmitting device are not facilitated can be solved.

The invention discloses a mobile phone network game data transmission method and system and a mobile phone user end, and relates to the technical field of mobile phone network games. According to the technical scheme, network message data are placed in a message sending queue and are sent according to the set time interval rather than send network message data every time, and therefore the number of sending times is reduced; meanwhile, the network message data which are the same in type in the message sending queue are combined firstly, the network message data are sent, and the size of the network message data is greatly reduced. Thus, in the mobile phone network game, the number of network resources occupied by data transmission is small, the data transmission speed is high, the mobile phone user response time delay is short, users of different types of mobile phone networks can play the mobile phone game smoothly, and the users of mobile phones with different networks can carry out network game interaction and have good experience.

The invention discloses an implement method and device for infrared image registration. The device for the infrared image registration comprises a data transmission module, a phase correlation displacement calculation module, an overlapping region calculation module, a Harris corner detection module and a matching module. The data transmission module is connected with the phase correlation displacement calculation module, the data transmission module and the phase correlation displacement calculation module are both connected with the overlapping region calculation module, the overlapping region calculation module is connected with the Harris corner detection module, the overlapping region calculation module and the Harris corner detection module are both connected with the matching module, and the matching module is connected with the data transmission module. According to the implement method and device for the infrared image registration, a phase correlation method and a Harris corner detection method are combined, an FPGA with a Rocket IO module is sued for transmitting data in high speed, therefore, in an infrared pixel searching tracking system, image registration preprocessing can be carried out fast and accurately, the requirements of precision and instantaneity of registration can be met, and sufficient time margins can be left for follow-up algorithms.

The invention discloses a locomotive vehicle intelligent maintenance system based on video identification. The system comprises an upper monitoring terminal and a movable video collecting device used for collecting video information of each maintenance object of a maintained locomotive vehicle; the movable video collecting device comprises a shell, a video capture device and an electric circuit board, and the electric circuit board is provided with a data processor, a video collecting unit and a clock circuit. According to the system, the structure is simple, the operation is easy and convenient, the using effect is good, and the maintenance process of the locomotive vehicle can be completed simply, conveniently and rapidly. Meanwhile, the invention further discloses a locomotive vehicle intelligent maintenance method. The method comprises the steps that 1, a maintenance task library is established; 2, the video information of the maintained object is collected, the maintenance records are synchronously uploaded, and the specific process comprises the steps of collecting and synchronously uploading vehicle number video information, identifying the vehicle number video information and collecting and identifying video information of a maintenance area; 3, objects which are left out in maintenance are judged. The method is simple, reasonable in design and convenient to achieve, the maintenance speed is fast, and the maintenance effect is good.

The invention discloses a locomotive overhaul system based on video identification realized by hologram dual cameras. The system comprises an upper monitoring terminal and mobile video acquisition equipment used for acquiring video information of each overhauled object on an overhauled locomotive, wherein the mobile video acquisition equipment comprises a casing, a dual-camera video shooting device and an electronic circuit board; a data processor, an image synthesis unit and a clock circuit are arranged on the electronic circuit board; for the main and auxiliary holographic cameras, all that is needed is to start the main camera under most shooting scenes, when an auxiliary camera is started, multi-angle information of images can be acquired, and multi-angle holographic images are obtained through processing of main and auxiliary images. The system is simple in structure, simple and convenient to operate and good in use effect, can simply and rapidly complete a locomotive overhaul process and has the advantages of simple steps, reasonable design, high overhaul speed and good overhaul effect, and the implementation is convenient.

The invention relates to the technical field of big data information transmission in order to realize real-time, efficient and stable usb transmission on collected data. Transmission in a data packetmode has realistic application value for military, radar, remote sensing and other data transmission systems. For this purpose, a USB3.0-based real-time data collection and transmission device is composed of an analog signal sampling AD (Analog Dialogue) device, a USB chip, an FPGA (Field-Programmable Gate Array) and an upper computer, wherein the analog signal sampling AD device, the USB chip, the FPGA and the upper computer are sequentially connected, the USB chip is connected with the FPGA, and the FPGA is connected with a usb interface of the upper computer through a MicroB interface. Thedevice is mainly applied to a big data information usb transmission occasion.

The invention discloses a control system and control method applied to industrial equipment communication protocol conversion, including a field equipment data acquisition system, an optical fiber converter, a communication module, a communication controller and a power supply module. The field equipment data acquisition system and the The optical fiber converters are connected by signals, the optical fiber converters and the communication module are connected by signals, the communication module and the communication controller are connected by signals, and the power supply module is the The equipment data acquisition system, the optical fiber converter, the communication module and the communication controller provide power. The present invention facilitates the realization of data exchange, sharing and information processing, reduces the conversion of communication interfaces between various devices, improves the reliability and real-time performance of data transmission, and is beneficial to the intelligent integrated management and control of various devices.

The invention provides a cell handover method and device. The cell handover method comprises the steps of issuing an information list of an MTC (Machine Type Communication) cell to a terminal, therebyenabling the terminal to measure signal quality of the MTC cell according to the information list of the MTC cell; receiving the signal quality of the MTC cell reported by the terminal; and determining a relationship among the signal quality of the MTC cell, the signal quality of a serving cell of the terminal and the signal quality of a neighbour, and instructing the terminal to hand over to theMTC cell when the relationship among the three pieces of signal quality satisfies a first preset condition, wherein the serving cell of the terminal is a non-MTC cell. According to the method and thedevice, the reliability of the cell handover method can be improved.

The invention discloses a transmission control protocol (TCP)-based full-duplex communication external radiation source radar data transmission display and control method, and mainly solves the problems that the data transmission speed of the communication between a signal processing board and a terminal interface of the conventional radar system is low, the transmission mode is unidirectional, the modification operation is complex, and the terminal interface function is single. The method comprises the following implementation processes of: setting or modifying signal processing relevant parameters on a monitoring interface, and transmitting the signal processing relevant parameters to a front-end radar signal processing machine through the TCP; performing various types of signal processing on the signal processing relevant parameters by using the signal processing machine, packaging the processing result of the signal processing machine, and transmitting the processing result to a display interface through the TCP; and performing radar data processing by using the display interface after receiving the signal processing data, and finally displaying a target track. The method has the advantages of high data transmission speed, high operability, diversified functions, and high system utilization rate; the processing of the overall radar system can be monitored in real time; and a final track result is displayed.

The embodiment of the invention discloses a data transmission device based on plane reflection in computer tomoscan imaging equipment. The data transmission device comprises a light emitting module, a light reflection module and a light receiving module, wherein the light emitting module is arranged on a rotating body of the computer tomoscan imaging equipment, and is used for converting data information acquired by scanning the rotating body in the rotation process into a light signal and transmitting the light signal to a certain pivot point on the rotating shaft of the rotating body; the light reflection module and the light receiving module are arranged on a fixed body of the computer tomoscan imaging equipment; and the light receiving module is positioned at the pivot point, uses the reflective surface of the plane mirror surface as the mirror image position of the mirror surface, and is used for receiving the light signal reflected by the light reflection module. By utilizing the data transmission device, the data can be reliably transmitted from the rotating body to the fixed body, so that the data transmission process is stable and the data transmission speed is high.

The invention discloses a rail transit intelligent passenger flow analysis and guidance system. The system comprises a hardware integration platform, a vehicle-mounted intelligent passenger flow analysis and guidance system and a guidance information display part, wherein the hardware integration platform comprises a vehicle-mounted passenger flow data acquisition part, a vehicle-mounted edge processing part and a 5G vehicle-mounted data center; the vehicle-mounted passenger flow data acquisition part, the vehicle-mounted edge processing part and the 5G vehicle-mounted data center are all embedded into the vehicle-mounted intelligent passenger flow analysis and guidance system for collaborative design, so that video storage and video analysis are seamlessly connected; and by capturing passenger flow data in a vehicle, analyzing passenger flow density data and displaying passenger carrying congestion states of passenger compartments in real time, the rail transit is assisted to realizeresource integration and process optimization, so that safer, more comfortable, more refined and more automatic operation is realized.