642 results about "Terminal system" patented technology

The invention relates to the technical field of unmanned aerial vehicle inspection, and provides an unmanned aerial vehicle-based forest fire prevention inspection and disposal method, device and system. When an inspection unmanned aerial vehicle equipped with a multi-modal sensor is deployed to cruise according to a preset route, a visible light camera of the inspection unmanned aerial vehicle continuously collects forest region videos and transmits the videos to edge computing equipment of an inspection airport; fire hazards are analyzed in real time through a target recognition algorithm, and when a fire source is detected, position information is reported to a background terminal immediately; the system automatically dispatches the nearest fire extinguishing airport to dispatch the fire extinguishing unmanned aerial vehicle, and secondary accurate positioning is performed on a fire source by using the airborne infrared vision module, so that accurate throwing of the fire extinguishing bomb is ensured. The whole system enhances the real-time analysis capability through the edge computing device, breaks through the single-machine computing power limitation, also realizes the full-process automation from fire behavior recognition to fire extinguishing treatment, and significantly improves the response efficiency and treatment safety of forest fire prevention.

The invention relates to the field of industrial equipment monitoring, and discloses a power plant steam-water system edge calculation monitoring terminal system, which comprises a data acquisition module used for performing real-time acquisition on temperature, pressure, flow and liquid level parameters of key parts such as a boiler, a steam turbine and a pipeline in a power plant steam-water system, an acquisition result is converted into a standard data format to be output; the edge calculation module is used for performing local processing on the data, including feature extraction, data modeling, anomaly recognition and operation state analysis, and the module establishes a state model based on historical data and outputs parameter optimization suggestions according to a set strategy; and the communication module is used for transmitting the processing result to a monitoring center and receiving an instruction issued by the monitoring center. Local modeling and recognition are carried out on collected data through the edge calculation module, delay caused by data return is avoided, an abnormal early warning mechanism of second-level response is achieved, and the fault handling capacity of the system is enhanced.

The invention discloses a high-throughput satellite communication terminal system, which comprises a radio frequency channel unit, a signal processing unit, a terminal processing unit, a power supply management unit and an anti-electromagnetic interference module, and is characterized in that the radio frequency channel unit carries an agile device and a power amplifier and is used for realizing bidirectional conversion between a baseband signal and a radio frequency signal; communication frequencies of a Ka frequency band, a valley value of 5GHz and a peak value of 40GHz are supported, a zero intermediate frequency receiver structure is adopted, image frequency interference is eliminated through one-time frequency conversion to a baseband, and a high-integration design that a radio frequency signal directly enters a frequency mixer after passing through an antenna, a radio frequency filter and a low-noise amplifier is realized. According to the high-throughput satellite communication terminal system, the coverage problem of traditional communication in a blind area of a power grid is solved, safe, efficient and stable transmission of power data is realized, the emergency communication capability and the equipment environment adaptability are remarkably improved, and key technical support is provided for constructing global visual monitoring and intelligent scheduling of the digital power grid.

The invention provides a network freight transport capacity matching system for railway-highway combined transportation. The network freight transport capacity matching system comprises a freight owner end device, a transport capacity end device and a platform end end system. The cargo owner end equipment acquires cargo transportation demands, the transport capacity end equipment acquires transport capacity information of a transport capacity main body, the platform end subsystem integrates the cargo transportation demands to form an order and publish the order, integrates the transport capacity information of each transport capacity end, and matches the order with the transport capacity main body through a system order sending mode, an order grabbing mode or a bidding mode; and generating a contract and executing in-transit supervision. According to the invention, efficient integration and cooperation of railway and highway transportation resources can be realized, the organization efficiency and service quality of cargo transportation are improved, a more convenient, flexible and intelligent freight management solution is provided for cargo owners and transport parties, and innovative development of a railway and highway combined transportation mode is promoted.

The invention provides a power grid inspection system, method and terminal based on edge intelligence, and the system comprises an acquisition module which is used for collecting a visual image sequence and position information at an inspection site; the preprocessing module is used for performing image enhancement and defogging processing on the visual image sequence; the single sample online enhancement module is used for applying a dynamic enhancement operator set to the candidate region-of-interest set to generate an enhanced candidate region sample; the sensing module is used for receiving the enhanced candidate region sample and outputting a defect bounding box, a defect category and a classification confidence coefficient; the time sequence and anomaly fusion module is used for performing fusion processing on the defect targets at the same spatial position and performing smoothing processing on a confidence coefficient sequence of the same target in a continuous preset number of frames so as to output a smoothed confidence coefficient; and the decision module is used for calculating a final comprehensive score based on the smoothed confidence coefficient and the normalized abnormal score, and generating alarm information when the final comprehensive score is higher than a preset threshold value.

The invention discloses a multi-dimensional controllable fault-crossing tunnel seismic response modular test device and method, and the device comprises a modular box model which comprises an upper disc box and a lower disc box, the upper disc box is installed on a vibration table, and the lower disc box is installed on a linear sliding table; the two fault dip angle adjusting systems are arranged, and the two fault dip angle adjusting systems are symmetrically arranged between the upper wall box body and the lower wall box body; the number of the positioning modules is two, and the two positioning modules are detachably arranged on the upper disc box body and the lower disc box body correspondingly; the two ends of the tunnel model are installed on the two sets of positioning modules respectively; the monitoring system is arranged in the tunnel model; and the terminal system is connected with the monitoring system. According to the method, the failure mode evolution law of tunnel linings with different section forms is researched by changing the geometrical morphology of the fault, and a basis is provided for the anti-seismic optimization design of a cross-fault tunnel lining structure.

The invention discloses a commercial building electricity comprehensive energy-saving control device, and relates to the technical field of building energy management, the commercial building electricity comprehensive energy-saving control device comprises a comprehensive energy service cloud platform, an air conditioner energy router and an intelligent terminal, the comprehensive energy service cloud platform is in signal connection with the intelligent terminal through the air conditioner energy router; the integrated energy service cloud platform is communicated with the air conditioner energy router through the Ethernet, 4G and NBIOT; the air conditioner energy router is used for providing a traditional gateway data forwarding function and undertaking local data storage, fusion and terminal equipment management. From the perspective of energy efficiency, firstly, a perfect energy efficiency index of the central air-conditioning system is put forward, on this basis, a specific energy consumption optimization strategy is researched from links such as a cold and heat source system, a water system and a terminal system, and finally, from the whole building, operation mode adjustment based on self-learning optimization is achieved in combination with a load prediction model. And comprehensive energy-saving control of electricity utilization of commercial buildings is realized.

The invention relates to the technical field of radio transmission systems, in particular to a dual-module redundant satellite communication and internet-of-things terminal system, which comprises a data processing module, a management module, a frequency band allocation module, a self-adaptive switching decision module, a scheduling module and an optimization module. The data processing module collects satellite signal parameters and terminal state data, and generates dynamic decision context information including conflict frequency band feature vectors, terminal dynamic position tags and channel load indexes; the system iteratively optimizes a frequency band allocation strategy through a closed-loop data stream, constructs a conflict spatio-temporal topology network by adopting a graph database to realize competitive traceability, manages historical parameters in combination with a distributed data storage module, finally reduces channel competition conflict and data retransmission rate, optimizes terminal energy consumption and communication reliability, and improves the system performance. The method is suitable for Internet of Things terminal communication in complex environments such as satellite signal shielding and electromagnetic interference.

The invention discloses a virtual power plant regulation capability test method and system based on a deep belief network, and the method comprises the steps: deploying an intelligent terminal system at an aggregation resource side in a virtual power plant, and collecting resource operation data in real time; dynamically loading market rule parameters of the target transaction variety through a rule configuration engine; the method comprises the following steps: preprocessing historical scheduling data of a virtual power plant, collecting resource-level data and virtual power plant-level data, cleaning abnormal data, and interpolating and filling missing values; calculating an adjustment capability index based on the preprocessed data; inputting the indexes and the rule parameters into a pre-trained deep belief network DBN model, and outputting a virtual power plant overall regulation capability predicted value and a marginal contribution weight of each aggregation resource; generating a virtual power plant admission judgment report and a resource optimization suggestion according to a comparison result of the predicted value and the market rule parameter; according to the invention, differential evaluation of the virtual power plant regulation capability indexes is realized, and the access test requirements under diversified power market rules are met.

The invention provides an emergency response terminal system with image data return capability, which relates to the technical field of emergency response terminals and comprises an emergency response terminal management subsystem, an emergency response terminal, a multi-mode communication network, an image data return channel and an equipment state monitoring system. The emergency call terminal management subsystem is deployed on an emergency management platform and is used for generating and auditing an early warning task, dynamically selecting a communication link, interacting with a terminal through a satellite network and receiving a field image and equipment state data returned by the terminal; through the satellite, Beidou and 4 / 5G multi-link redundancy design, it is ensured that early warning information can be reached under the three-disconnection scene of network disconnection, power failure and disconnection, the problem of communication failure of a traditional system is solved, low-delay and wide-coverage transmission of the early warning information is achieved, the encrypted image return function is adopted for providing real-time disaster situation pictures for a command center, the rescue decision accuracy is improved, and the rescue cost is reduced. And the decision support capability is improved.

The invention discloses a functional application microenvironment-based central air-conditioning terminal system transformation method and system, and the core innovation of the method is as follows: 1) dynamic microenvironment division: defining a minimum 4m < 2 > control unit according to the actual use demand, and breaking through the physical boundary limitation; (2) multi-source cold and heat collaboration: 15 types of equipment such as a central air conditioner, an independent air conditioner and an electric heater are compatible, and energy is dynamically distributed according to an energy efficiency-preference-electricity price model; and (3) the central air-conditioning microenvironment controller integrates the adaptive capability of day and garden hardware (TY-HY-A / B valves) and multiple protocols, and realizes the temperature difference control precision of + / -0.5 DEG C. The scheme is adaptive to the energy-saving transformation of existing buildings, especially the energy-saving transformation of central air-conditioning fan coils of hotel guest rooms, the energy-saving transformation of office buildings, the energy-saving transformation of data centers and other application scenes.

The invention discloses electronic equipment, a peripheral device, a terminal system and a state detection method. The electronic equipment comprises a first machine body and an electric connector, the first machine body comprises a first frame and a display screen, the first frame surrounds the outer edge of the display screen, and the extension direction of the first frame is different from that of the display screen. The electric connector is located on the first frame, and the plurality of electrically connected first terminals are exposed out of the first frame, so that the electric connector can be separably butted with the peripheral device. Thus, the external device can be electrically connected with the electric connector in a forward or reverse installation mode, the electric connector is suitable for different application scenes, and the user experience is improved. Meanwhile, the electronic equipment does not need to be internally provided with the external device, the external device does not occupy space, and the requirements of full screen and narrow black edge of the electronic equipment can be met. According to the state detection method, the state of the peripheral device can be detected in real time, corresponding prompt information is provided for a user in time, and the peripheral device is prevented from being lost.

The invention relates to the field of memory management, and provides a memory allocation method and device for a mobile terminal system. The method comprises the following steps: dividing a DDR (Double Data Rate) memory in the mobile terminal into a plurality of physical blocks through a memory management unit; uniquely numbering the plurality of physical blocks, and establishing a mapping relationship between the virtual address used by the mobile terminal system and the physical numbers corresponding to the plurality of physical blocks through the memory management unit; after receiving a memory allocation request, judging whether a target physical block indicated in the memory allocation request belongs to a single channel of the 16-bit memory; and if the target physical block does not belong to the single channel of the 16-bit memory, remapping a physical number in the memory allocation request into an equivalent physical number in a single channel range, and importing the to-be-allocated data into a corresponding 16-bit memory space through a memory management unit based on the mapping relationship and a virtual address corresponding to the equivalent physical number. The memory allocation efficiency is improved by realizing optimal allocation of the 16-bit memory.

The invention discloses an unmanned aerial vehicle identity authentication and key negotiation system and method. The system comprises a trusted registration mechanism, an unmanned aerial vehicle, a cloud server and a mobile terminal, in a system initialization stage, a trusted registration mechanism publicly releases a single hash function and a symmetric encryption / decryption algorithm; in a mobile terminal registration stage, a trusted registration mechanism verifies a registration request of a user; in the unmanned aerial vehicle registration stage, the unmanned aerial vehicle sends its identity ID to the trusted registration mechanism to request registration, and the trusted registration mechanism distributes a unique challenge and random number to the unmanned aerial vehicle after receiving the identity ID; in the user login stage, a user ID, a password and biological characteristics are input into the mobile terminal, and the mobile terminal verifies the user identity through pre-stored parameters; in the identity authentication and key negotiation stage, mutual authentication is carried out among the mobile terminal, the cloud server and the unmanned aerial vehicle, and a session key for future encrypted communication is negotiated.

The invention relates to the technical field of communication, in particular to a three-network convergence communication terminal system based on core size level heterogeneous integration and an implementation method, and the system comprises a radio frequency transceiving core particle, a baseband processing core particle, a storage core particle, a control scheduling core particle and a power management core particle. According to the invention, systematic linkage optimization of cross-domain parameters is realized through a core size level heterogeneous integration and state space cooperation mechanism, and real-time channel state information directly drives a scheduling algorithm to solve in a global state space. According to the method, the problems of low energy efficiency utilization rate, lagged resource scheduling response, low power consumption and the like of a terminal in a multi-network concurrency and switching scene due to the fact that a multi-network communication module is discrete and a cross-hardware-level dynamic coordination mechanism is lacked are effectively solved, and the service life of the terminal in a multi-network concurrency and switching scene is prolonged. And therefore, the problems of limited terminal volume, high power consumption and poor service continuity can be solved.

The invention discloses a water conservancy project safety monitoring intelligent edge computing terminal, system and method integrated with AI recognition. The terminal comprises an acquisition interface unit, a network communication unit, a data storage unit, IOT middleware and a central processing unit. The central processing unit comprises a data analysis module, an AI identification module and an alarm generation module; the data analysis module performs time sequence integrity, logic rationality and multi-source consistency verification on the preprocessed structured data; the AI identification module dynamically schedules NPU and GPU resources to run a lightweight AI video identification model to realize target all-weather detection and target identification; and when the data analysis module judges that the sensor monitors that the data is wrong or abnormal, the AI identification module is triggered to perform recheck verification, and the alarm generation module is started according to a verification judgment result. According to the invention, through multi-source data association verification and a hierarchical multi-mode early warning algorithm, more accurate anomaly identification and risk assessment of hydraulic engineering safety are realized.

The invention discloses a zero-carbon footprint real-time monitoring method and a terminal system, and belongs to the technical field of carbon footprint monitoring, and the method specifically comprises the steps: obtaining carbon emission data of industrial equipment, generating carbon emission data blocks according to a preset time interval, writing the carbon emission data blocks into a block chain, carrying out the consensus processing of the carbon emission data blocks, and obtaining the carbon emission data blocks; the method comprises the steps of collecting sensor parameter data of industrial equipment, constructing a redundant feature vector based on the sensor parameter data, constructing a behavior feature model based on historical reported behavior parameters, comparing current reported behavior deviation degrees, triggering collaborative inquiry when the deviation exceeds a threshold value, constructing an inter-node verification relation graph, and calculating an abnormal propagation degree index. Identifying an abnormal node and writing a result into the block chain; according to the method, the data authenticity and the anomaly recognition accuracy of carbon monitoring are improved, and the method is suitable for credible collection, verification and anomaly recognition of industrial carbon emission data in a multi-subject collaborative environment.

The invention discloses a nondestructive testing device and method for the compactness of a pier based on sound wave vibration, and the device comprises a first annular track which comprises a plurality of spliced inner tracks and sleeves a concrete pier column; the second annular track comprises a plurality of spliced outer tracks, the diameter of the second annular track is larger than that of the first annular track, and fixing assemblies are arranged between the spliced inner tracks and the spliced outer tracks; a plurality of groups of crab walking mechanisms are mounted on the spliced outer track through deformable fixing assemblies; the ultrasonic detection system is mounted on the inner side of the spliced inner track; the visual detection systems are respectively mounted on the spliced outer track; and the ultrasonic detection system and the visual detection system are connected with the terminal system. According to the invention, surface defects can be captured, the internal compactness problem can be detected, and omnibearing detection of the internal and external states of the pier is realized.

The invention discloses a payment method based on an NFC fusion channel, a terminal, a system and a medium, and belongs to the technical field of payment. The method comprises the steps of establishing a middle-long distance communication channel with a user terminal through a first middle-long distance communication module under the condition that the user terminal with a second middle-long distance communication module is sensed to enter a middle-long distance communication range of the payment terminal; a transaction confirmation instruction is sent to the user terminal through the middle and long distance communication channel; and under the condition that the user terminal confirms the transaction, transmitting APDU interaction data with the user terminal through the middle and long distance communication channel for interaction, and executing NFC payment. According to the embodiment of the invention, NFC payment between the user terminal and the payment terminal under the medium and long distance condition can be realized.

The invention, which relates to the technical field of power cable insulation state detection, discloses a power cable insulation state on-line diagnosis system comprising a multi-parameter acquisition module comprising a multi-type sensor group, a signal conditioning unit and a data transmission unit. The data preprocessing module processes abnormal values and noise, unifies parameter dimensions and synchronizes timestamps; the insulation state diagnosis module is used for constructing a hierarchical index system, calculating scores through combination and empowerment and dividing grades; the fault positioning module transmits a narrow pulse signal, receives a reflected signal and calculates a fault distance; the result output module is used for generating a report, visually presenting the report and pushing the report to multiple terminals; and the system management module is used for dividing authority, recording logs, carrying out double backup data and monitoring the equipment state. The comprehensive performance, real-time performance and accuracy of cable insulation diagnosis are improved, faults are accurately positioned, aging trend prediction and personalized maintenance are supported, data safety is guaranteed, operation and maintenance efficiency is improved, the service life of the cable is prolonged, and power supply reliability is enhanced.

The utility model relates to the technical field of rainfall simulation, in particular to an artificial rainfall simulation device which comprises a water supply system, a control system, an intelligent terminal system and an acquisition system. The water supply system comprises a water tank, a water pump, a water inlet pipe and a rainfall sprayer. The water pump is arranged on the water inlet pipe and used for pumping water in the water tank to the rainfall sprayer. A control valve is arranged on the rainfall spray head; the intelligent terminal system is used for man-machine interaction, communication with the control system is realized by connecting a local area network built by the system, and data of the intelligent terminal system can be timely transmitted to the control system; the acquisition system comprises a rain gauge and a pressure sensor. The pressure sensor is arranged on the water inlet pipe and used for collecting the pressure value of the water inlet pipe. And the rain gauge is arranged below the rainfall spray head and is used for collecting rainfall. The device has the effect of facilitating rainfall research by simulating artificial rainfall.

The invention provides an interaction method and device, a terminal, a system and a storage medium, and relates to the technical field of information processing.The method comprises the steps that a first user instruction is obtained, and the first user instruction comprises first operation information; acquiring to-be-identified information of a first application in a first terminal to determine a target operation instruction associated with the to-be-identified information and the first operation information; the target operation instruction is used for triggering a second application of the second terminal to execute a target task, and the first terminal and the second terminal establish network connection through a device identifier. The to-be-identified information is collected through the first terminal, the target operation instruction is confirmed, and the target operation instruction is executed at the second terminal, so that instruction sharing between the first terminal and the second terminal is realized, user experience in an instruction sharing scene is optimized, and the method is suitable for instruction sharing scenes such as an intelligent driving scene and an intelligent home scene.

The invention discloses an electric power carbon emission flow metering method and device based on end-to-end cooperation, and relates to the technical field of carbon emission, comprising data acquisition and processing, intelligent terminal processing and fine management, end-to-end cooperation and carbon emission allocation, data acquisition and processing through end-to-end equipment based on a carbon emission model, and abnormal data removal. Electric power data of each node of the park are collected in real time through side-end equipment, accurate accounting of carbon emission flow is carried out in combination with power flow analysis of a power system, data collection, carbon emission calculation and responsibility allocation are completed in a terminal system by adopting a side-end cooperation technology, efficient cooperation and accurate calculation of data among different nodes are ensured, and meanwhile, the system has the advantages of being simple in structure and convenient to use. The distributed photovoltaic and energy storage system characteristic fine management optimizes energy scheduling and carbon emission calculation by considering the charging and discharging efficiency and energy storage photovoltaic state characteristics of the distributed photovoltaic power generation and energy storage system in detail, and further improves the accuracy and efficiency of carbon emission accounting.

The invention relates to the technical field of medical intelligence, and discloses a medical intelligent terminal system, which comprises a sensor module used for sensing the motion state of equipment and the identity information of an operator, and the sensor module at least comprises a 3D acceleration sensor, a gyroscope sensor, a biological characteristic sensor and an environment sensor; the peripheral equipment module is used for executing specific medical operation, and the peripheral equipment module at least comprises a scanning head and a radio frequency identification (RFID) card reader; and the situation awareness module is used for judging the motion state and the use scene of the equipment according to the data of the sensor module, and calling a corresponding application program and peripheral equipment. Through cooperative work of the situation awareness module and the application initialization module, the system can quickly judge a use scene and initialize peripheral equipment such as a scanning head in advance when the equipment is lifted up, so that the peripheral equipment is in a standby state.

The invention discloses a cross-modal environment interaction method and a cross-modal environment interaction system for fusing physical patterns and Chinese character elements. Equipment object images and Chinese character control instructions are dynamically synthesized into an interactive interface through a semantic association engine, natural intention recognition is achieved in combination with a multi-mode input decoding technology (touch control / voice / electroencephalogram and the like), and terminals such as a wall panel and a robot screen are adapted under a layered rendering architecture. According to the system, the interaction intuition and the culture affinity are remarkably improved, and the cognitive load problem of a traditional GUI in cross-equipment and cross-culture scenes is solved.

The invention discloses a relay state diagnosis method and system, electronic equipment and a storage medium. The method comprises the following steps: sending a preset frequency voltage to a to-be-tested relay to obtain an AC impedance value corresponding to the preset frequency voltage, and diagnosing the health state of the to-be-tested relay through the AC impedance value. According to the invention, the voltage difference between the two ends of the relay is not detected any more, and the health state of the relay at each position is diagnosed by directly detecting the electrochemical alternating-current impedance spectrum of the relay, so that the problem that the half-damage condition that the relay is not adhered or cannot be attracted cannot be diagnosed in the prior art is solved; and under the condition that the main negative relay is not connected with the terminal system, correct diagnosis cannot be made through the voltage difference between the two ends of the main negative relay.

The invention discloses a personal voice intelligent terminal system for a fund transaction room, which relates to the technical field of intelligent voice, and comprises a voice acquisition module, a voice preprocessing and structuring module, a voice feature analysis and emergency degree evaluation module, an intelligent recognition evaluation module and a self-adaptive semantic segmentation and priority regulation and control module, each voice instruction of a trader is quickly captured through a real-time voice acquisition system. A trader instruction is quickly captured through a real-time voice acquisition system, and the trader instruction is preprocessed and then converted into a structured data set. The voice emergency degree is quantified by extracting and analyzing key features, and the emergency of the instruction is intelligently evaluated through a machine learning model. After the system recognizes a quick and emergency instruction, the analysis priority of each section of voice is dynamically adjusted by utilizing a self-adaptive segmentation technology and context analysis, so that the trader instruction is ensured to be accurately and timely executed, the instruction is prevented from being omitted or mistakenly executed, and the transaction efficiency and the market response capability are improved.

The invention belongs to the technical field of communication, and particularly relates to a self-adaptive configuration method for a DRX cycle length of a satellite Internet of Things terminal. Comprising the following steps: initializing a terminal system and monitoring system operation parameters; calculating a monitoring timer recommendation value and an inactive timer recommendation value of the terminal according to the system operation parameters; the base station calculates a recommended average value of the two timers; calculating the terminal activity degree and dividing the terminal state levels; setting a corresponding level DRX period according to the terminal state level; predicting a next satellite window time period and calculating a satellite window DRX period; selecting the grade DRX cycle, the satellite window DRX cycle and the maximum value in the recommended average values of the two timers as a maximum fusion DRX cycle, and performing adjustment according to a cycle scaling factor to obtain a final DRX cycle; the system configures a final DRX cycle; the system records a communication feedback index after each DRX cycle is ended and adjusts an adjustment parameter so as to carry out calculation of the next DRX cycle; the communication efficiency is improved, and the terminal energy consumption is effectively reduced.

Disclosed are a method for operating a vehicle, and a corresponding vehicle, mobile terminal, system, computer program product, and electronic device. The method comprises: establishing a communication connection between a vehicle and at least one mobile terminal; determining contactless operation information corresponding to at least one digital vehicle key in the at least one mobile terminal, wherein the contactless operation information comprises one or more of quantity information, position information, and trajectory information; and on the basis of the contactless operation information corresponding to the at least one digital vehicle key, controlling the vehicle to execute a corresponding operation.

The invention relates to the field of computer software, and discloses a data synchronization system, method and equipment between heterogeneous databases and a medium. The system comprises a source end subsystem used for acquiring to-be-synchronized data in a source end heterogeneous database and writing the to-be-synchronized data into a preset data transmission summary table; the source terminal subsystem is also used for responding to the data transmission task, determining target synchronous data from the data transmission summary table, and sending the target synchronous data to the target terminal subsystem in batches; the target terminal subsystem is used for receiving the target synchronization data sent by the source terminal subsystem, verifying the target synchronization data, calculating a corresponding target sub-library sub-table based on a preset service key, writing the verified target synchronization data into the target sub-library sub-table of the target terminal heterogeneous database, and generating a data processing result; and the target terminal subsystem is also used for feeding back the data processing result to the source terminal subsystem. According to the method, the efficiency, reliability and operation and maintenance convenience of data synchronization between heterogeneous databases are remarkably improved.