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66results about How to "Easy data transfer" patented technology

Wireless communication network data secure transmission method and system

The invention discloses a wireless communication network data secure transmission method and system, and relates to the technical field of secure transmission. During system operation, agricultural monitoring data are collected in real time through various sensor devices arranged in an agricultural environment, encryption processing is performed by using a symmetric encryption algorithm, and a dynamic key length adjustment mechanism is supported; a random number generator is integrated, unified management is performed on key generation, distribution, updating and destruction in a system, a timestamp or a random serial number is embedded into each data packet, the uniqueness of the timestamp or the serial number is verified at a receiving end, so that replay attacks are resisted, and the data are comprehensively analyzed and evaluated according to a set algorithm, so that the replay attack is prevented. The method comprises the following steps: acquiring a security data transmission performance index SDTP through calculation, generating a monitoring report, detecting abnormal conditions in a data transmission process, including channel quality reduction, data loss or verification failure, and providing a visual monitoring result.
Owner:陕西旭信通网络科技有限公司

Automatic throttling monitoring manifold for large-drift-diameter well drilling

ActiveCN222478681Urelieve pressureReduce cyclic friction resistanceFlushingWell drillingControl engineering
The utility model discloses an automatic throttling monitoring manifold for large-drift-diameter well drilling, which comprises an inlet four-way joint, a first pressure control throttling pipeline, a second pressure control throttling pipeline, a third blowout pipeline and a fourth monitoring pipeline, and one interface of the inlet four-way joint is connected with wellhead equipment; the other three interfaces are respectively connected with a first pressure control throttling pipeline, a second pressure control throttling pipeline and a third blowout pipeline; the first pressure control throttling pipeline and the second pressure control throttling pipeline have the same structural composition and are standby for each other; the third blowout pipeline is provided with a special-shaped five-way connector, and the other three connectors of the special-shaped five-way connector are connected with the tail end of the first pressure control throttling pipeline, the tail end of the second pressure control throttling pipeline and the initial end of the fourth monitoring pipeline correspondingly. According to the 5 ''* 35MPa large-drift-diameter automatic throttling monitoring manifold suitable for large-displacement operation of the ultra-deep well, fluid with larger displacement can pass through, circulating friction resistance is reduced, and wellhead pressure is reduced, so that the service life is prolonged, and potential safety hazards are reduced.
Owner:SICHUAN GREDIS PETROLEUM TECH CO LTD

TSN-5G train communication network asynchronous scheduling method based on multi-agent reinforcement learning

The invention provides a TSN-5G train communication network asynchronous scheduling method based on multi-agent reinforcement learning. The method comprises the following steps: constructing a Markov model by utilizing a graph neural network based on a topological structure of a train TSN-5G heterogeneous scene, defining a state space, an action space and a reward function of the Markov model, and inputting to-be-processed data flow information in a TSN-5G heterogeneous network into a train TSN-5G multi-agent reinforcement learning asynchronous scheduling algorithm, according to the train TSN-5G multi-agent reinforcement learning asynchronous scheduling algorithm, each base station and a switch serve as independent agents, a state space and an action space in a Markov model are updated through iterative operation, and a scheduling scheme of a data stream to be processed is output. The invention provides a comprehensive scheme, the utilization rate of wired and wireless channels in TSN-5G and the end-to-end jitter performance are combined, the purpose of optimizing data transmission is achieved, and optimal control over end-to-end time delay and jitter of a whole vehicle network is achieved.
Owner:BEIJING JIAOTONG UNIV

A distribution terminal communication network system based on WAPI

The present invention relates to the field of smart grid technology, specifically a distribution terminal communication network system based on WAPI, the system includes a distribution data collection module, a distribution data compression module, a data encryption processing module, a network parameter adjustment module, a distribution anomaly identification module and a distribution scheduling adjustment module. In the present invention, by introducing real-time data processing and encryption technology based on WAPI, the security of data and the efficiency of the network are improved, the data encryption processing ensures the security of information during transmission, enhances the system's control ability over power network operation and monitoring, and adjusts the sending frequency of data packets according to the network status, dynamically optimizes network parameters, improves the network's adaptability and stability, and implements anomaly identification and fault response to ensure the continuity and safety of power grid operation. By optimizing the data processing process and strengthening safety measures, the overall performance and reliability of the power system are significantly improved.
Owner:HUADA TIANYUAN BEIJING ELECTRIC POWER TECH

Hybrid accelerator card management method and device, electronic device and storage medium

The invention relates to a hybrid accelerator card management method and device, an electronic device and a storage medium, and is applied to the field of computer hardware acceleration and data storage and transmission, and the hybrid accelerator card management method comprises the following steps: determining a runtime library interface of a hybrid accelerator card in response to a received server data transmission request; registering a memory address of the hybrid acceleration card to a preset hardware abstraction layer based on a remote direct memory access technology; a unified hardware abstraction interface is preset in the hardware abstraction layer; the runtime library interface is bound with the unified hardware abstract interface; and calling the runtime library interface to execute data transmission operation between the hybrid acceleration cards through a preset hardware abstraction layer. According to the method and the device, the GPU acceleration cards of different manufacturers are compatible, and meanwhile, the effect of improving the data processing and transmission efficiency is achieved.
Owner:ZHEJIANG LAB

Control method of intelligent traffic system based on automatic protocol docking

The invention discloses a control method of an intelligent traffic system based on automatic protocol docking, which relates to the technical field of traffic control, and comprises the following steps: monitoring traffic communication environment parameters in real time based on a traffic communication environment file, and obtaining a traffic communication environment summary; constructing a traffic communication protocol selection model based on the random forest model; obtaining an optimal traffic communication protocol through a traffic communication protocol selection model based on traffic communication environment summarization; based on the optimal traffic communication protocol, protocol conversion is carried out through an intelligent intermediate, a traffic communication path is dynamically evaluated through a heterogeneous network communication path optimization mechanism, and an optimal traffic communication path is obtained; and based on the optimal traffic communication path, traffic communication data are encrypted through a quantum random number generator, and traffic communication data transmission is carried out. Through the protocol selection mechanism of the random forest model and the quantum encryption technology, the communication efficiency, reliability and safety of the intelligent traffic system are improved.
Owner:TE WEI LE XING (GUANG ZHOU) JI SHU YOU XIAN GONG SI

A Scheduling Method for CAN Data Transmission and Reception

The present invention discloses a scheduling method for CAN data transmission and reception. The present invention optimizes the scheduling of CAN bus data transmission and reception, performs data transmission with maximum efficiency, reduces the load of the CAN bus and solves the problem of data delay. The present invention calculates the periodic and non-periodic time of data transmission and reception to optimize its data transmission and reception efficiency; the present invention calculates the weight of periodic and non-periodic data transmission and reception, and performs data scheduling according to its timeliness; in addition, the present invention calculates the number of data transmission and reception of related equipment, optimizes the data transmission and reception scheduling of the CAN bus, and ensures the most efficient data transmission and reception within the timeliness.
Owner:HENAN JIACHEN INTELLIGENT CONTROL CO LTD

Explosion-proof video conference system and video conference implementation method

The invention relates to the technical field of television image communication, in particular to an anti-explosion conference television system and a conference television implementation method. The method comprises the following steps: acquiring an original conference image stream through multi-source image acquisition, performing displacement compensation and multi-resolution fusion, generating a standardized image stream, simulating conference communication transmission, checking image feature quality, deducing equipment load, analyzing the bearing capacity of the explosion-proof conference television, and obtaining a bearing capacity change curve; and according to the curve, screening out a limit load point, carrying out load reduction segmentation, generating a low-load image stream, carrying out path redistribution on the low-load image stream, forming a path distribution matrix, and realizing real-time transmission so as to ensure effective operation of the explosion-proof conference television. According to the invention, a safer and more efficient explosion-proof conference television realization method is realized.
Owner:SHENZHEN MEIJIA TECH CO LTD

Radio frequency scanning equipment

The utility model discloses a radio frequency scanning device, and relates to the technical field of automation. The existing RFID scanning equipment has limitations in the aspects of mobility, comprehensive scanning capability, power management and data transmission, and is difficult to meet the requirements of complex warehouse management. The utility model provides a radio frequency scanning device comprising a radio frequency scanning device, the radio frequency scanning device comprises a housing, at least two radio frequency antennas, a reader-writer, a processor, a first communication assembly and a power supply assembly used for supplying power, and the processor is in communication connection with the reader-writer and the first communication assembly; and the radio frequency antennas are arranged on the two sides of the shell. According to the technical scheme, many problems in the prior art are solved, the device is particularly suitable for warehouse inventory automation, the device can be installed on a running trolley and automatically move between goods shelves, signal collection of product radio frequency tags on the goods shelves on the two sides is achieved, and therefore automation and intelligentization of warehouse management are achieved.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD ZHOUSHAN POWER SUPPLY CO

Water body quality detection device of naval vessel reserve water tank

The utility model relates to a water quality detection device for a naval vessel reserve water tank, which comprises a water quality detection component and a detection connection structure, and the detection connection structure comprises a side end connection seat body structure and a movable water quality detection equipment connection structure arranged at the upper part of the side end connection seat body structure. The side end connecting seat body structure comprises a connecting base arranged on one side of the naval vessel reserve water tank and a detection extension seat; the movable water quality detection equipment connecting structure comprises a vertical movement control structure arranged at the side end of the detection extension seat, a vertical movement control seat body structure arranged at the upper part of the vertical movement control structure, and a water quality detection equipment connecting structure arranged in the vertical movement control seat body structure. According to the water body quality detection device for the naval vessel reserve water tank, deep and shallow water body quality of the complex naval vessel reserve water tank can be detected, the detection depth can be conveniently measured, accurate detection data can be provided, and the device can be modularly controlled; and ship water tank water quality control detection and data transmission are facilitated.
Owner:BEIJING YUSHENG TECH CO LTD

A micro light emitting diode chip carrier for vehicle lamp

The application relates to the technical field of electronic component connection, in particular to a micro light-emitting diode chip carrier for vehicle lamps, which comprises a carrier plate, a first surface and a second surface of the carrier plate are each provided with a first signal area and a second signal area which are symmetrically arranged relative to a first central axis of the carrier plate, and a first power area and a second power area which are symmetrically arranged relative to a second central axis of the carrier plate. A plurality of interfaces are arranged in the first signal area, the second signal area, the first power area and the second power area, the plurality of interfaces on the first surface are used for connecting chips, the plurality of interfaces on the second surface are used for connecting light source plates, and the plurality of interfaces on the first surface are correspondingly connected with the plurality of interfaces on the second surface to transmit signals and electric energy between the chips and the light source plates. The first signal area, the second signal area, the first power area and the second power area which are symmetrically arranged can improve the transmission efficiency of signals and electric energy between the chips and the light source plates, and the unified and standardized design facilitates production and manufacturing.
Owner:JHETECH

A bridge pot bearing and control system based on system transformation

This invention discloses a bridge pot bearing and control system based on system conversion. A first bearing body and a second bearing body are stacked from top to bottom. The first bearing body has a first mounting plate, and an adjustment component is installed below the first mounting plate. The second bearing body has a second mounting plate, and a test component is installed on the second mounting plate. The test component connects with the adjustment component. While performing pressure testing, the test component, in conjunction with the adjustment component, enables the conversion between three states: fixed pot bearing, unidirectional movable pot bearing, and bidirectional movable pot bearing. This invention monitors the stress on the bearing in real time, calculates the bridge shear force based on the reaction force, and derives the bridge shear force amplification factor under dynamic loads, thus improving bridge design methods and making bridge design safer and more reliable. It can realize the functions of a fixed bearing, a unidirectional movable bearing, or a bidirectional movable bearing, and achieve mutual conversion between bearing types.
Owner:CHANGAN UNIV

An air conditioning system intelligent internet of things module control method and system based on LTE-Cat.1

The application discloses an air conditioner system intelligent internet of things module control method and system based on LTE-Cat.1, which comprises the following steps: establishing a bidirectional communication link between an air conditioner host and a remote server and a user terminal; improving a transmission mechanism based on a UDP protocol to perform packet processing on air conditioner operation data, so as to obtain real-time data packets and non-real-time batch packets; storing the real-time data packets and the non-real-time batch packets in real-time buffer areas and non-real-time buffer areas respectively, and adopting an improved FIFO priority scheduling mechanism to perform data scheduling transmission; and monitoring network signal strength, a packet loss rate and network delay in real time through an LTE-Cat.1 module, and triggering an adaptive adjustment strategy when any one of the following conditions is met: the signal strength is lower than a threshold value, the packet loss rate is higher than a threshold value or the network delay is higher than a threshold value. The application solves the technical problems that real-time performance and reliability are difficult to balance, data transmission efficiency is low and network state adaptability is poor in the existing air conditioner internet of things system.
Owner:NINGBO XINTAI FIRE FIGHTING CO LTD

Anti-falling data line

This utility model discloses an anti-detachment data cable, including a data cable body. The data cable body includes a data cable interface end, an interface rear end, and a data connection cable. The data cable interface end and the rear end of the interface are respectively fixed to both ends of the data connection cable. Magnetic metal sheets are fixedly provided on both sides of the outer wall of the data cable interface end, and an electronic device is fixedly connected to one end of the data cable interface end. A permanent magnet is provided at the charging interface of the electronic device. A pressing block is fixedly provided at the upper end of the data cable interface end, and several locking teeth are provided at the bottom of the data cable interface end. A limiting structure is provided on the outside of the data connection cable. The limiting structure includes a fixing clip sleeved on the outside of the data connection cable. Two limiting springs are provided inside the fixing clip, and an anti-slip pad is provided at one end of each limiting spring. This can effectively prevent the data cable from falling off when connected to the electronic device and limit the data cable to avoid messy shaking during use.
Owner:DONGGUAN PUJIAN ELECTRONIC TECH CO LTD

Metering device for liquid flow detection

The metering device comprises an installation connector, a flow detection sensor and a machine body, the flow detection sensor is installed on the side face of the installation connector, the machine body is installed in front of the installation connector, the flow detection sensor is communicated with a machine body circuit, a photovoltaic panel is arranged at the rear end of the installation connector, and the photovoltaic panel is connected with the machine body circuit. A power supply circuit of the photovoltaic panel is connected with the machine body, and the photovoltaic panel is detachably connected with the mounting connector. A flow detection sensor is installed at the top of the installation connector and inserted into an inner cavity of the installation connector, the flow of liquid passing through the installation connector can be detected and transmitted to the machine body, then the machine body can conveniently transmit data back to a terminal, meanwhile, a photovoltaic panel is arranged on one side of the installation connector, and the machine body can be powered through the photovoltaic panel; the machine body can be used on a remote pipeline, and the use applicability of the whole liquid flow metering device is also improved.
Owner:河北中测计量检测有限公司

Tri-operating system detection data processing apparatus

The utility model provides three operating system detection data processing equipment, including the casing cover and the power module, network switch module, three main control system modules, three hard disk extension modules and three communication extension modules that are all arranged in casing cover, the casing cover has the backboard for power distribution and data interaction between each module, and the power module, network switch module, each main control system module, each hard disk extension module and each communication extension module all take this backboard as the basic connection carrier, the power module is connected network switch module, each main control system module, each hard disk extension module and each communication extension module through the backplate, network switch module is connected with each main control system module through the backplate, and each main control system module is connected with a hard disk extension module and a communication extension module respectively through the backplate, and the multi -source data parallel processing is realized through the construction three operating system framework, and the space burden and power consumption burden of the application scene such as railway detection vehicle are reduced.
Owner:北京鹰路科技有限公司

Right-rudder rear-drive new energy negative pressure ambulance

According to the right-rudder rear-drive new-energy negative-pressure ambulance, a new-energy power battery vehicle model is adopted, the layout of a medical cabin is carried out based on the vehicle model, no or less exhaust emission is generated through electric drive, the ambulance is more environmentally friendly, the electric energy cost is lower than that of fuel oil, and the operation cost of the ambulance can be reduced; the space layout in the vehicle is relatively simple, the installation of medical equipment, the placement of a stretcher and the operation of medical staff are facilitated, and the utilization rate of the space in the vehicle and the convenience of ambulance work are improved; advanced electronic equipment and an intelligent system are carried in the using process, the dispatching efficiency of the ambulance and the accuracy and timeliness of medical treatment are improved through intelligent application, real-time monitoring and data transmission of medical staff on patients are facilitated, and a hospital is helped to make preparation for reception in advance.
Owner:WUXI SHENLIAN SPECIAL PURPOSE VEHICLE

Intelligent assembly and error-proofing method for transmission rocker arm angle

The invention relates to an assembling method of transmission parts, in particular to an intelligent assembling and mistake-proofing method for a transmission rocker arm angle, and aims to solve the problems that the operation burden is large, the assembling efficiency is low, and effective mistake-proofing measures are lacked due to the fact that no uniform angle guiding tool exists in the assembling of the existing transmission rocker arm angle. And an existing engine production management system integrated with the MES and the TCM is low in automation degree, weak in real-time performance and poor in flexibility. According to the intelligent assembly and error-proofing method for the transmission rocker arm angle, a transmission rocker arm database in a TCM is established, the corresponding relation of production stations, structural data items and structural data values is systematically managed, and the process of process development and data transmission is optimized.
Owner:XIAN FASHITE AUTOMOBILE TRANSMISSION CO LTD

Video conferencing method and video conferencing system

The application discloses a video conference method and a video conference system. A first device joins a video conference by using a first conference account; a second device joins the video conference by using a second conference account; a third device joins the video conference by using the first conference account; the third device has better audio processing capability than the first device, and the first device has better video display capability than the third device; after the conference server confirms that the third device joins the video conference, the conference server acquires conference configuration information of the first device and the third device, adjusts a receiving and sending strategy of the video conference according to the conference configuration information, and notifies the first device and the third device about the adjusted receiving and sending strategy; the adjusted receiving and sending strategy comprises that the first device plays a video stream and stops collecting an audio stream, and the third device plays an audio stream and collects the audio stream. The application improves the video conference quality, ensures normal video conference, realizes intelligent management of the video conference, and improves flexibility and adaptability of the conference.
Owner:GUANGZHOU SHIZHEN SOFTWARE CO LTD

Analyzing and modeling jitter and delay behaviors, in particular for hybrid industrial time-sensitive networks

The invention relates to a method for operating a network, in which a plurality of network devices, each having a respective configuration, are connected to one another for data exchange and data are exchanged via these connections, in which a dynamic delay, i.e. Jitter, is taken into account when determining the data transmission time, the network being a time-sensitive network, and determining an actual time of data transmission across each network device from the initial network device to the target network device taking into account a dynamic delay in which time synchronization jitter and forwarding jitter are taken into account.
Owner:HIRSCHMANN AUTOMATION AND CONTROL GMBH

Dynamic two-dimensional code audio transmission method and system

The invention discloses a dynamic two-dimensional code audio transmission method and system, and the system comprises a transmitting end and a receiving end, and the method comprises the following steps: the transmitting end obtains audio data, and carries out the preprocessing of the audio data; the preprocessed audio data is equally divided into a plurality of audio data blocks, audio two-dimensional codes are generated according to the audio data blocks one by one, and each audio data block corresponds to one audio two-dimensional code; the sending end displays the audio two-dimensional codes according to the audio two-dimensional code generation sequence, the receiving end continuously identifies the audio two-dimensional codes displayed by the sending end, each audio two-dimensional code is converted into an audio data block, all the audio data blocks are spliced into complete audio data, and the audio data are obtained. According to the method, the segmented audio data are converted into the two-dimensional codes one by one, all the two-dimensional codes are displayed and are recognized and converted by the receiving end, so that the audio data are obtained, the use scene of the two-dimensional codes can be expanded through the method, and convenience is provided for data transmission.
Owner:GUANGZHOU BAOLUN ELECTRONICS CO LTD

A multi-sensor data labeling apparatus

This utility model relates to the field of data processing, and in particular to a multi-sensor data annotation device; it includes a data transmission end body, an annotation component movably installed inside the bottom end of the data transmission end body, a note component slidably installed on the top of the annotation component, a first positioning component fixedly installed on the top of the annotation component, and first limiting components fixedly installed on the top of the annotation component and one side of the note component; a reuse component is rotatably installed on the bottom of the annotation component, a second positioning component is fixedly installed on the bottom of the annotation component, and second limiting components are fixedly installed on the bottom and right side of the annotation component; it solves the technical problems of inconvenient data annotation and short service life.
Owner:SHANGYUE INTELLIGENT TECHNOLOGY HENAN CO LTD

Human waist posture recognition and force state evaluation method and system based on inertial sensor

The present application relates to the technical field of waist posture recognition, in particular to a human waist posture recognition and force state evaluation method and system based on an inertial sensor, comprising the following steps: collecting original motion data in real time through an inertial measurement unit worn on the L4-L5 segment of the human waist, wherein the original motion data comprises three-axis acceleration data and three-axis angular velocity data; using a Kalman filtering algorithm to filter noise and calibrate the coordinate system of the original motion data, to obtain standard waist motion characteristic data. The present application realizes accurate and continuous recognition of the waist posture in daily scenarios, completes quantitative evaluation of the force on the lumbar vertebrae and prediction of the damage risk, has high detection accuracy and strong scene adaptability, and is portable and easy to use, which can provide a comprehensive basis for the user to manage the health of the waist and effectively prevent lumbar muscle damage.
Owner:TAIAN NUOTAI ELECTRONICS TECH

IO panel and desktop computer

The invention provides an IO panel and a desktop computer. The IO panel comprises a signal connection module and a data transmission module, one end of the signal connection module is connected with a control module of the host equipment; one end of the data transmission module is connected with the signal connection module, and the other end of the data transmission module is used for being connected with external equipment. According to the invention, the occupied space can be reduced, and the volume of host equipment is further reduced.
Owner:SHENZHEN JIEHE TECH DEV CO LTD

Data transmission method, electronic equipment and computer readable storage medium

The invention provides a data transmission method, electronic equipment and a computer readable storage medium, and relates to the technical field of data processing. The data transmission method comprises the following steps: in response to a data transmission request of a client for a target service, obtaining the type of the target service; searching a mapping relationship between the service type and a maximum segment length MSS value, and determining an MSS value corresponding to the type of the target service as an MSS value of a transport protocol stack layer; determining the length of a data message corresponding to the data transmission request according to the MSS value of the transmission protocol stack layer; and transmitting the data message to the client according to the length of the data message. According to the technical scheme provided by the invention, the MSS value of the transmission protocol stack layer can be dynamically adjusted based on the type of the target service, so that the data transmission requirements of different types of services can be met.
Owner:HANGZHOU ALICLOUD FEITIAN INFORMATION TECH CO LTD

Health data communication transmission method of intelligent health detection cup

The invention belongs to the field of intelligent health detection equipment and communication security, and discloses a health data communication transmission method of an intelligent health detection cup, which specifically comprises the following steps: S1, the cup is in Bluetooth connection with a mobile phone for data transmission; s2, carrying out key negotiation and management on the water cup and the mobile phone app; s3, the user collects health data through the intelligent water cup; s4, the microcontroller carries out data encryption on the health data; s5, packaging the health data, and sending the health data to the mobile phone app; s6, the mobile phone app receives the data and carries out message decryption and verification; s7, the mobile phone app displays the health report according to the data; according to the intelligent health monitoring water cup, the privacy leakage risk existing in the data transmission process of the intelligent health monitoring water cup is avoided, the safety and integrity of the electrocardio data, the water drinking amount and the water temperature data are ensured, and the privacy safety of a user is protected.
Owner:HANGZHOU HAERS IND CO LTD

2p~4p traditional miniature circuit breaker intelligent power distribution module connecting device

ActiveCN224417731UMeet your connectivity needsImprove adaptabilityEthernet communicationCircuit breaker
The utility model relates to a 2P~4P traditional miniature circuit breaker intelligent power distribution module connecting device, aims at solving the problem of single function, poor expansibility of traditional 2P~4P traditional miniature circuit breaker, and poor commonality of intelligent miniature circuit breaker. The device is composed of intelligent power distribution module connecting device, dovetail groove base etc. traditional 2P~4P traditional miniature circuit breaker is connected with intelligent power distribution module connecting device through round copper bar hard connection, and circuit breaker of different connection height is adapted by utilizing dovetail groove base. The device makes traditional miniature circuit breaker have accurate measurement, multidirectional protection, Ethernet communication function, and strong adaptability, and is convenient for on-site reconstruction project implementation.
Owner:SHANGHAI XIANGXINJIA TECHNOLOGY CO LTD

A communication method and a communication system applied to a communication network

The present invention relates to the field of electrical communication technology, and in particular to a communication method and a communication system applied to a communication network, which are used to solve the problems that the existing equipment and method for controlling base stations of a communication network cannot analyze the network base stations that are being connected for communication, have not set up alternative network base stations and cannot analyze the ones that cannot be set up, and cannot ensure the stability of the communication network; the communication system includes a network monitoring module, a communication network platform, a base station management module, a data acquisition module and a data analysis module; the communication method can analyze the network base stations that are being connected for communication in real time through deviation values, and then analyze the alternative network base stations, and finally select the best network base station for communication connection, which can realize fast and convenient data transmission, and can also ensure the efficiency and reliability of data transmission. The communication method is suitable for various communication network environments and has broad application prospects.
Owner:ZHONGTONG SERVICE WANGYING TECH CO LTD

Automatically controlled wave optics demonstrator

The present invention belongs to the technical field of physics teaching and popular science instruments, and specifically relates to an automatically controlled wave optics demonstrator, comprising a frame, a housing, a two-color laser source, a rotating drum, a reduction motor, a polarized light source, a rotating polarizer, a polarization motor, a linear array CCD lateral movement component and a magnetic scale; the device has a high degree of integration, and one instrument can demonstrate a variety of wave optics contents such as single-slit diffraction, single-wire diffraction, pinhole diffraction, double-slit and multi-slit interference, one-dimensional grating diffraction, two-dimensional grating diffraction, polarization, etc.
Owner:TIANJIN SINO GERMAN VOCATIONAL TECHNICAL COLLEGE