222results about How to "Master comprehensive" patented technology

The invention provides a joint treatment method and a system of a static scene and a moving object based on satellite-borne MIMO-SAR, which relates to the technical field of radars. The method comprises the following steps of: receiving echo data, and carrying out signal sorting on the echo of each receiving array element by utilizing the orthogonality of a transmit signal; eliminating the influence of the phase error in an echo signal on azimuth imaging by equivalent phase center error compensation; carrying out data combination and reconstruction on each equivalent phase center error compensated channel signal to obtain multichannel echo data; realizing the high-resolution wide-swath imaging of a static scene by utilizing one of reconstructed multichannel data, and meanwhile, realizing the detection and the imaging on a moving object in a wide swath by utilizing the joint treatment of each channel data. The invention can improve and broaden the range and the quality of satellite-borne synthetic-aperture radar reconnaissance and monitoring by the wide swath and high resolution and can effectively and simultaneously detect and trace the key moving object in the wide swath, thereby providing the guarantee of comprehensively and timely mastering radar detection information.

The invention discloses a fast handover protocol flow for heterogeneous wireless networks. The main implementation process of the flow is characterized in that a mobile terminal periodically sends the mobile terminal related information reports to a wireless access network; a network-side wireless access network reconfiguration manager predicts the motion tract of a user; when the mobile terminal needs to initiate handover to maintain the business continuity, the predicted motion information and the network topological information are combined to determine the aggregate of network candidates; a target network for the mobile terminal is selected in advance by the wireless access network reconfiguration manager of the present network and simultaneously the target network is informed to reserve resources required for the mobile terminal; the mobile terminal monitors the received signal intensities of the present network and the target network an determines the optimum handover trigger time; and after triggering handover, the mobile terminal accesses to the target network firstly and then releases the original link resources. The fast handover protocol flow can reduce the handover delay of handover among the heterogeneous wireless networks, increase the success rate of handover and ensure the quality and continuity of business services.

The invention discloses an urban traffic situation identification method based on a directed graph convolutional neural network. The method comprises the steps: carrying out the traffic situation classification of historical traffic flow information, converting an urban road network into a directed graph according to a point-edge conversion rule, and extracting a corresponding sub-graph; then, calculating the weight of a directed edge and the weight between non-directly connected nodes, standardizing the number of nodes of the subgraph, and calculating a traffic information matrix and a feature matrix of the subgraph; finally, designing a traffic directed graph convolutional neural network model, performing training and testing, using the model for classifying real-time traffic flow information to identify the real-time traffic situation of all road sections. According to the method, the incidence relation between directed road sections of different levels and different grades under the hybrid road network is fully considered, a unified standardized model input and traffic situation recognition model is designed, and good universality is achieved; moreover, the method has the characteristics of simple process, easiness in calculation, easiness in programming realization and the like, and can be suitable for complex urban road networks.

The invention relates to a signaling data mining and analyzing-based specific mobile subscriber coarse positioning system and a method thereof. According to the system, after a signaling data aggregation assembly carries out processing on collected signaling data of a mobile user in an operator core mobile network, the processing signaling data are transmitted to a coarse positioning service processing assembly, extraction and analyzing of user position data and characteristic data thereof as well as data mining are respectively carried out, and useful data are stored into a coarse positioning service database; meanwhile, the coarse positioning service management assembly carries out management and service packaging on the user position and characteristic data thereof; the coarse positioning service interface assembly carries out invoking and interaction on the user position and characteristic data thereof, thereby further realizing an invoking service of coarse positioning data by other network elements. According to the invention, on the basis of signaling data gathering and analyzing, coarse positioning on the specific mobile user is carried out and the positioning information is sent to an upper-layer application service unit, so that a novel value added service based on coarse positioning data is expanded and thus new social benefits and economic benefits are created for operators.

The present invention provides a tobacco logistics management and control system. The system comprises a park entrance and exit management system, a stock management system, a sorting and replenishment management system, a sorting management system and a delivery management system. The park entrance and exit management system is configured to perform park entrance and exit management of industrialvehicles; the stock management system is configured to perform stock management of cigarettes loaded by the industrial vehicles; the sorting and replenishment management system is configured to perform replenishment progress monitoring and replenishment of cigarettes for the sorting management system; the sorting management system is configured to perform automatic sorting and packing of cigarettes of the cigarettes sorted to houses according to order information; and the delivery management system is configured to deliver the packed cigarette packets to retail clients. The tobacco logisticsmanagement and control system can effectively integrate current logistics information nodes, can plan and standardize information on each link of logistics operation, can allow the logistics information to be timely, accurately and comprehensively grasped and processed, can further improve the information level of tobacco logistics, and can reasonably perform optimization configuration of resources of each scheduling link.

The invention discloses a multi-source heterogeneous remote sensing data association construction and multi-user data matching method. The multi-source heterogeneous remote sensing data association construction and multi-user data matching method comprises the following steps of 1, inputting a remote sensing service data set and a remote sensing product data set; 2, performing data cleaning and preprocessing; 3, performing data classification modeling; 4, performing knowledge extraction, including attribute extraction of remote sensing business data and feature extraction of remote sensing product data; 5, performing multi-source heterogeneous knowledge fusion, constructing a link relationship for the plurality of knowledge, and fusing attribute similarity of different ontology data according to metadata information extracted from the remote sensing data to construct the link relationship of a plurality of knowledge systems; 6, constructing an association relationship model; 7, miningand analyzing a large amount of collected user identities and behavior data, and constructing a user portrait label; 8, carrying out similarity calculation on the identity and behavior of the user; and 9, constructing a personalized user portrait model, and matching the personalized user portrait model with a result in the association relationship construction model.

The invention discloses a rollcall method and an equipment used in a video conference, which is applied to a system comprising a multi-point control unit MCU, a chairman terminal with rollcall authority and a rollcalled terminal. The method comprises the steps: the chairman terminal informs the MCU to start rollcalling, triggers the MCU to broadcast the image and sounds of the conference in whichthe chairman terminal is arranged, and closes the image and sound input of the conference in which the rollcalled terminal is arranged; the chairman terminal selects the rollcalled terminal, sends themessage carrying the rollcalled terminal information to the MCU and triggers the MCU to broadcast the sound and image input of the conference in which the rollcalled terminal is arranged; and the chairman terminal records the rollcalling results of the rollcalled terminal. In the invention, the rollcall flow of the existing video conference is perfected and the practical requirement is complied with.

The invention relates to a public sentiment event extracting technology and discloses an event public sentiment information extracting method and system based on a micro-blog platform. The method comprises the steps of obtaining keywords, the starting time and deadline of an event, constructing a page link of a page to be sampled according to the link format of the search service of the micro-blog platform, carrying out micro-blog sampling according to the page link to generate a sample micro-blog, computing the event heat degree of the event according to the sample micro-blog, computing the micro-blog grabbing cycle according to the event heat degree, and obtaining a micro-blog page related to the event in combination with the page link according to the micro-blog grabbing cycle. The micro-blog information of the micro-blog page is extracted to finish extracting the public sentiment of the event. The event public sentiment information is obtained more comprehensively and efficiently, and real-time public sentiment information can be collected.

The invention relates to a farmland irrigation intelligent decision making system and method. The system comprises a soil moisture status data collection module, a time collection module, a soil moisture status grade calculating and modeling module, an irrigation decision making and processing module, a spatial distribution processing module and an interface display module. The soil moisture status grade calculating and modeling module establishes a soil moisture status grade calculating model and carries out soil moisture status grade calculation according to soil moisture status data collected by the soil moisture status data collection module and a crop practical growth phase determined by the time collection module. According to a soil moisture status grade calculation result, the irrigation decision making and processing module obtains an irrigation decision in such a manner that artificial intelligence and decision supporting are combined, the spatial distribution processing module carries out spatial distribution processing, and then the interface display module carries out interface display. By adopting the system, farmers and an agriculture department can respectively, precisely and pointedly grasp the soil moisture status information and the intelligent irrigation decision of a farmland in a base of a region anytime and anywhere.

The invention provides a method for automatically obtaining short text of the knowledge domain from a community question-and-answer website.Question-and-answer web pages and author web pages of each subject of the domain corresponding to the knowledge domain can be crawled from the community question-and-answer website, a system with comprehensive data is obtained, and learning and using of a user are convenient.The method comprises the following steps that 1, a Web page of the knowledge domain in the community question-and-answer website is crawled; 2, short text, with concentrated web page data, of the knowledge domain is extracted; 3, a domain subject tree is constructed; 4, storing of the domain subject tree is conducted.By means of the method, the short text of the knowledge domain can be automatically extracted from semi-structured data of the community question-and-answer website, the question-and-answer web pages and the author web pages of each subject of the domain corresponding to the knowledge domain are crawled from the community question-and-answer website, a web page data set of the knowledge domain is constructed, the short text of the knowledge domain is automatically extracted from the web page data set, and parent child relationships are found, so that the domain subject tree is constructed, storing of the domain subject tree is achieved, and learning and using of the user are convenient.

The invention provides an integrated integration electric car battery exchange system, comprising a battery exchange sub-system (1), an external sub-system (2) and an auxiliary sub-system (3), wherein the external sub-system (2) provides a power supply and a service object to the battery exchange sub-system (1); the auxiliary sub-system (3) is used for monitoring the battery exchange sub-system (1) in real time in an omnibearing manner; the temperature and the humidity of the battery exchange sub-system (1) are adjusted; fire control is provided. By adopting a manner of systematically classifying internal and external facilities of an electric car battery exchange station, the integrated integration electric car battery exchange system has the advantages of being clear in structure division, excellent in operating performance, modular in configuration, intelligent in function and the like, and clearly defines the modularization, distribution/intelligence of each part function.

The invention relates to the field of the Internet of Things, and discloses a refrigerator article storage system based on the Internet of Things, which allows users to grasp the article information and storage time information in the refrigerator in real time, and avoids waste of resources. In the present invention, the image recognition module collects images of the items stored in the refrigerator and transmits the collected images to the refrigerator; the refrigerator performs data processing and item identification on the incoming images, judges the storage time of the items and generates item information , package the item information into a message and request the device cloud server to process it; after receiving the message requested by the refrigerator device, the device cloud server searches for the user's mobile device bound to it, and packages and sends the found user's mobile device information and item information to the message cloud server; the message cloud server pushes the item information to the corresponding user mobile device according to the information of the user's mobile device; the user's mobile device receives and displays the item information pushed by the message cloud server.

The invention discloses a circulating pipe network water quality integrative simulation test system with multichannel flow switching and calibrating devices. The system comprises a water supply subsystem and an independent circulating pipe network subsystem, wherein the water supply subsystem comprises a first water supply water tank and a second water supply water tank; the first water supply water tank is provided with a water inlet, a water outlet and a chemical filling hole; the second water supply water tank is communicated with the first water supply water tank by a pipeline with a second valve and is provided with a water inlet, a water outlet and a chemical filling hole; the independent circulating pipe network subsystem is a loop comprising a main circulating pump, a multichannelflow switching and calibrating device and a high-level water replenishing and exhausting water tank which are connected in series by virtue of pipelines; the loop is connected with a first pipeline branch for realizing closed circulation, a water replenishing system, an emptying branch, a water quality online monitoring system and a temperature control system; and meanwhile, chemical filling systems are also connected on the pipeline of the independent circulating pipe network subsystem. All the components of the system cooperate with each other and the system has the advantages of high simulation degree and capability of simulating various working conditions of municipal water supply pipe network systems.

The invention relates to an electric vehicle intelligent charging and discharging interactive and coordinative control system in a vehicle network integration mode, which comprises a power supply device, an interactive and coordinative control device and a charging and discharging device, wherein the power supply device is used for providing power for the interactive and coordinative control device, the charging and discharging device and the electric vehicle; the interactive and coordinative control device is used for coordinatively controlling two-way energy information interaction between the power supply device and the electric vehicle and interacts information with a distribution network automation device, a new energy and renewable energy power generation online monitoring device, an intelligent traffic device and an electric vehicle intelligent charging and discharging service network operation monitoring device; and the charging and discharging device is used for realizing charging and discharging of the electric vehicle. The electric vehicle is used for consuming electric energy of the power grid and the new energy and renewable energy power generation module, and electric energy is fed back to the power grid through a conductive super high-power density charging and discharging module and a non-contact charging and discharging device. The structure is clearly divided, the operation performance is excellent, the operation and maintenance risks are low, the reliability degree is high, and the response speed is quick.

The invention relates to a crop seedling situation monitoring system and method. The system comprises a crop body growth and development acquisition module and a time acquisition module which are positioned in the field site, and also comprises a crop dynamic development calculation and modeling module and a display module which are positioned remotely and mutually connected, wherein the crop body growth and development acquisition module and the time acquisition module are connected with the crop dynamic development calculation and modeling module through the Internet of Things; the crop dynamic development calculation and modeling module establishes a dynamic development calculation model, performs crop dynamic development calculation according to the acquired crop body growth and development data information and the determined crop actual growth stage, and inputs the crop dynamic development calculation result into the display module to display. Due to the adoption of the system, no matter a farmer or an agricultural department can accurately and specifically master the growth situation of the crops anytime anywhere, and digitization, precision, visualization and standardization of crop seedling situation monitoring are realized.

The invention relates to an individual split type tool-free convenient and intelligent information plug. An open groove is formed in the middle of the plug, an elastic piece, a circuit board and a cover plate are sequentially arranged on the open groove, a metal contact piece is arranged on the cover plate, the lower end of the metal contact piece extends downwards to form contact pins, through holes for inserting the contact pins are formed in the circuit board, and an upper covering shell and a lower covering shell are arranged at the tail end of the plug. The plug further comprises a plug wire module, a slot used for inserting the circuit board is formed in the front end of the plug wire module, grooves for placing cable fiber cores are formed in the upper end face and the lower end face of the plug wire module, a metal connecting piece is arranged in one groove, a wire breaking opening is formed in the upper end of the metal connecting piece, and the lower end of the metal connecting piece is led to the slot of the plug wire module and makes contact with the circuit board. The information plug is convenient to assemble, capable of being used repeatedly and high in anti-interference performance, supports updating and meets the use requirement of a sixth class, a super sixth class and other higher standards. Some components (like the elastic piece) can be directly disassembled and replaced after being damaged, operation is convenient, and the information plug is practical.

The invention discloses a comprehensive water quality simulation test system for a quasi-closed circulation pipe network. The comprehensive water quality simulation test system comprises a water supply subsystem and an independent circulation pipe network subsystem, wherein the water supply subsystem comprises a water supply tank with a water inlet, a water outlet and a medicament injection opening; the independent circulation pipe network subsystem is a loop comprising a main circulation pump, an electromagnetic flow meter and a high-level water supplementation and exhaust tank which are connected with one another in series through pipelines; the loop is connected with a water supplementation system for supplementing water to the loop, an emptying branch for emptying the water in the loop and a water quality monitoring system; and the pipelines of the independent circulation pipe network subsystem are connected with a medicament injection system. By using mutual coordination of all parts, the comprehensive water quality simulation test system for the quasi-closed circulation pipe network has the advantages of high simulation degree and higher similarity of an actual municipal water supply pipe network system.

The invention relates to an intelligent scoring service system comprising an answer sheet reader, a data server and a client device. The answer sheet reader consists of ID acquisition equipment, answer sheet scanning equipment, performance printing equipment and mechanical transmission equipment and is used for obtaining student information and performance data. The ID acquisition equipment includes a bar code recognition unit and a two-dimensional code recognition unit. The answer sheet scanning equipment consists of an answer sheet identification sensor, an answer sheet data acquisition unit, an answer sheet data analysis unit and an answer sheet data uploading unit; and the answer sheet identification sensor includes an answer sheet pattern mark identification module and an answer sheet form identification. The performance printing equipment includes an answer sheet performance printing unit and a printer performance printing unit and is used for printing an answer sheet performance on an answer sheet or carrying out printing and outputting on the batch of answer sheet performances and corresponding analyses by a thermal printer or an office printer.