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33results about How to "High data transmission stability" patented technology

Intelligent electrical appliance management system and method capable of coding automatically by using single-chip microcomputer

The invention relates to an intelligent electrical appliance management system and method capable of coding automatically by using a single-chip microcomputer, and relates to a low-cost intelligent management system and method capable of coding automatically by using a single-chip microcomputer for household electrical appliances. The intelligent electrical appliance management system capable of coding automatically by using a single-chip microcomputer comprises at least one network communicator and two intelligent equipment switching units, and is characterized in that at least one or more than one communication line is arranged between the network communicator and the intelligent equipment switching units for switching information data, or a wireless transmitting and receiving system is arranged between the network communicator and the intelligent equipment switching units for switching information data, or a wired communication line and a wireless transmitting and receiving system are arranged between the network communicator and the intelligent equipment switching units for switching information data simultaneously; a communication mode of the network communicator is either a wired communication interface or a network communication interface; each intelligent equipment switching unit is equipped with a specific code, that is, an ID number. The intelligent electrical appliance management system is low in cost, low in power consumption, long in service life, convenient to control, powerful in control function, high in reliability, high in safety performance, convenient to install and easy to arrange wires.
Owner:昌奎

Method for balancing quality of wireless communication channel and wireless communication apparatus using the same

InactiveUS7817577B2Quality of the wireless communication channel can be more accurately estimatedHigh data transmission reliabilityEnergy efficient ICTFrequency-division multiplex detailsDependabilityData transmission
Disclosed herein are a method for balancing the quality of a wireless communication channel wherein the quality of the wireless communication channel can be more accurately estimated and adjusted on the basis of the combination of observation results of the number of data frames failed to be transmitted in the past and a received signal strength (RSS), and reliability of data transmission over the channel can thus be increased, and a wireless communication apparatus using the same. The method includes collecting information about whether data frames have been successfully transmitted and information about RSSs of the wireless communication channel, acquiring the number of data frames failed to be transmitted and an average RSS in a predetermined observation period using the collected information, comparing the acquired transmission-failed data frame number with a predetermined threshold value and the acquired average RSS with a predetermined reference RSS, respectively, and estimating the quality of the wireless communication channel and quality degradation factors in detail by performing an AND operation with respect to the comparison results. Therefore, it is possible to stably adjust the channel quality.
Owner:ELECTRONICS & TELECOMM RES INST

Electric network pollution data bus type analysis system based on PQDIF standard

The invention relates to the electric network pollution data collection technology, in particular to an electric network pollution data bus type analysis system based on a PQDIF standard. The electric network pollution data bus type analysis system based on the PQDIF standard solves the problems that an existing electric network pollution data analysis system is poor in data analysis real-time performance, poor in data transmission stability, low in data transmission speed and poor in data sharing performance. The electric network pollution data bus type analysis system based on the PQDIF standard comprises power quality monitors, carbon footprint power monitors, a monitoring master station, a GIS server, a Web server, an emulation server, an evaluation server, wireless APs, wireless gateways, coaxial cables, an infrared channel and RS 485 buses, wherein all the power quality monitors, the first wireless AP and the first RS 485 bus jointly form a bus type topological structure, and all the carbon footprint power monitors, the second wireless AP and the second RS 485 bus jointly form a bus type topological structure. The electric network pollution data bus type analysis system based on the PQDIF standard is suitable for analysis on electric network pollution data.
Owner:JINCHENG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER +1

Intelligent park management system and management method

PendingCN114550359ATo achieve the effect of identification and authenticationImprove management efficiencyData processing applicationsCharacter and pattern recognitionPark managementFace model
The intelligent park management system comprises a cloud server, the input end of the cloud server is electrically connected with a safety monitoring terminal, the output end of the cloud server is electrically connected with an information identification module, and the output end of the information identification module is electrically connected with a convolutional neural network. Facial features and identity card information of passing persons in the park are collected through the safety monitoring terminal, the convolutional neural network and the noise reduction auto-encoder can perform dimension reduction processing on facial images, and the facial features of the images after noise reduction generate a facial model through the facial feature production module. The comparison unit extracts and compares employee face models stored in the storage module recently, so that the effect of identifying and authenticating the park personnel information is achieved, and the problems that an existing intelligent park management mode is single, and the effect of authenticating and mastering the personal information of passing personnel is not achieved are solved; and non-park personnel cannot be judged and confirmed.
Owner:广东飞企互联科技股份有限公司

Big data server equipment capable of improving data transmission stability

The invention relates to the technical field of big data, and further discloses big data server equipment for improving the data transmission stability. The big data server equipment includes a base,telescopic columns are arranged at the left part and the right part of the upper part of the base, and a case is arranged above the telescopic columns; the left side of the case is fixedly connected with a driving box; a bearing is arranged on the lower portion of an inner cavity of the driving box, a solenoid is fixedly inserted into the middle of the bearing, a first spring is arranged on the upper wall of the inner cavity of the driving box, an iron core is fixedly connected to the lower end of the first spring, a thin plate is arranged at the lower end of the iron core, and transverse rodsare fixedly inserted into the upper portion and the lower portion of the inner cavity of the case. According to the big data server equipment capable of improving the data transmission stability, a lantern ring is arranged to attract a mouse to tread, then the lantern ring rotates to enable a solenoid to wind a coil, the magnetic field intensity is increased, an iron core descends to repel the mouse, and a dry powder box is arranged in a matched mode, so that the effects of protecting a case circuit and preventing high-temperature damage of a hard disk are achieved.
Owner:邓红兵

FPGA configuration file downloading device

The invention discloses an FPGA configuration file downloading device, which comprises a device body. The device body comprises a parallel port input end, a power converter, a parallel port downloading interface module and a system controller. The parallel port input end is in bidirectional connection with the parallel port data end of the computer. The system controller is in bidirectional connection with the parallel port input end and the parallel port downloading interface module. The output end of the parallel port downloading interface module is in bidirectional connection with the FPGA.The parallel port downloading interface module is connected with the input end of the power supply converter through a VDD, and the output end of the power converter is respectively connected with the crystal oscillator and the system controller. According to the invention, configuration file downloading and configuration file readback in a passive parallel mode are carried out on the FPGA through the parallel port data end of the computer. The device has the advantages of being simple in hardware circuit design, low in required component purchasing cost, friendly in man-machine interface, easy and convenient to use, reliable and stable in work and the like, and can be widely applied and popularized.
Owner:ZHONGKE JIUDU BEIJING SPATIAL INFORMATION TECH

Electric network pollution data mesh analysis system based on PQDIF standard

The invention relates to the electric network pollution data analysis technology, in particular to an electric network pollution data mesh analysis system based on a PQDIF standard. The electric network pollution data mesh analysis system based on the PQDIF standard solves the problems that an existing electric network pollution data analysis system is poor in data analysis real-time performance, poor in data transmission stability, low in data transmission speed and poor in data sharing performance. The electric network pollution data mesh analysis system based on the PQDIF standard comprises power quality monitors, carbon footprint power monitors, a monitoring master station, a GIS server, a Web server, an emulation server, an evaluation server, wireless APs, wireless gateways, power lines and a microwave channel, wherein each power quality monitor is in paired mutual connection with the first wireless AP through power lines to form a mesh topological structure, and each carbon footprint power monitor is in paired mutual connection with the second wireless AP through power lines to form a mesh topological structure. The electric network pollution data mesh analysis system based on the PQDIF standard is suitable for analysis on electric network pollution data.
Owner:JINCHENG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER +1

Electric network pollution data tree-shaped analysis system based on PQDIF standard

The invention relates to the electric network pollution data analysis technology, in particular to an electric network pollution data tree-shaped analysis system based on a PQDIF standard. The electric network pollution data tree-shaped analysis system based on the PQDIF standard solves the problems that an existing electric network pollution data analysis system is poor in data analysis real-time performance, poor in data transmission stability, low in data transmission speed and poor in data sharing performance. The electric network pollution data tree-shaped analysis system based on the PQDIF standard comprises power quality monitors, carbon footprint power monitors, a monitoring master station, a GIS server, a Web server, an emulation server, an evaluation server, wireless APs, wireless gateways, optical fibers and an radio wave channel, wherein all the power quality monitors jointly form branches of a tree-shaped topological structure, and the first wireless AP and the second wireless AP jointly form a trunk of the tree-shaped topological structure; all the carbon footprint power monitors jointly form branches of a tree-shaped topological structure, and the third wireless AP and the fourth wireless AP jointly form a trunk of the tree-shaped topological structure. The electric network pollution data tree-shaped analysis system based on the PQDIF standard is suitable for analysis on electric network pollution data.
Owner:JINCHENG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER +1
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