270 results about "Structure chart" patented technology

The invention provides a webpage content crawling method and device. The method comprises the following steps: scheduling a crawling task; when querying that the crawling task has proxy setting, obtaining a proxy IP queue; carrying out resource management; carrying out data capture by a data capture engine through adopting a multi-thread parallel processing manner; and carrying out data analysis on the data captured by each thread by an analysis engine, and carrying out persistent operation on the analyzed data. According to the webpage content crawling method and device, the crawling work of each function of common webpages and websites needing to be logined is solved, the crawling task is finished by a crawling assembly, rapidness and correctness are realized, the hierarchical relationship of target websites can be analyzed so as to form a clear crawling target structure chart and establishing clear relationship for the crawled data, and an anti-crawling technology is realized through anti-monitoring management so that the obstacles are removed for finally obtaining target data.

The invention discloses an ortho-image generation method based on a three-dimensional laser point cloud. The ortho-image generation method comprises the steps of obtaining a target three-dimensional point cloud; preprocessing the target three-dimensional point cloud to generate a point cloud to be projected; segmenting the to-be-projected point cloud, and reserving a to-be-projected target; defining a projection plane and a projection density parameter; with the projection plane as a reference, calculating projection coordinates of the current point cloud scatter point to an orthographic planein sequence; calculating a projection boundary of the point cloud orthographic image; calculating image coordinates of each projection point according to the projection boundary; and generating an orthoimage according to the image coordinates. According to the method, a rapid structure chart or a corresponding orthographic projection image can be obtained, measurement is carried out on the basisof the projection image, and the point cloud measurement efficiency can be greatly improved. The engineering practice precision requirement can be met, and a certain guiding and reference effect is provided for ancient building protection.

The invention relates to a centralized ammeter reading system collector and ammeter asset number collection and management method. The method comprises the following steps that: firstly, a centralizer transmits broadcast to search instructions of collector and ammeter asset numbers to a collector every day at regular time; secondly, after the collector receives the broadcast, the search of the asset numbers of ammeters is started ; thirdly, after waiting for M (M is more than 5) minutes, the centralizer transmits instructions of reporting ammeter and collector asset numbers to the collector; fourthly, the collector reports the own asset number and the asset numbers of the ammeters hung under the collector to the centralizer; fifthly, the centralizer updates a relationship list of the ammeters and the collector corresponding to the ammeters according to the reporting of the collector; sixthly, the centralizer reports the collector and ammeter asset numbers to a main station; and seventhly, the main station draws a station area centralized ammeter reading system asset number management topology structure chart according to the relation of the centralizer, the collector and the ammeters.

The invention relates to an intelligent feeder line automation method in an autonomous self-healing distribution network, comprising the following steps that the topological structure chart of the distribution network is stored to each intelligent terminal, and the intelligent terminals generate a self-healing strategy base according to the topological chart; a protector carries out wireless communication with the intelligent terminals, and the intelligent terminals also carry out the wireless communication with each other; the protector and the intelligent terminals judge the fault to be a temporary fault or a permanent fault according to a fault signal obtained by communication, if the fault is the temporary fault, the protector closes a transformer substation outlet switch, and if the fault is the permanent fault, the protector recloses the transformer substation outlet switch twice, and the intelligent terminals select a self-healing strategy from the self-healing strategy base to carry out fault self-healing processing. In the intelligent distribution network, each intelligent terminal comprises a storage module, a strategy base generating module, a communication module, a first switch control module and a master control module, and the protector comprises a communication module and a second switch control module. The invention can process faults on the spot and improve the system reliability.

The invention relates to a lightweight BIM big data online visualization method and system. The method includes the following steps that lightweight analysis based on semantic guidance is conducted on a BIM scenario component set to obtain a lightweight component base; the interior structure of a BIM building is automatically partitioned to generate multiple relatively independent spaces and a relation structure chart of the relatively independent spaces; a multilayer data index structure with multi-granularity decomposition is established according to the relation structure chart and the component set in each space; the lightweight component base is called according to the multilayer data index structure to achieve progressive visualization of the BIM building, and in the visualization process, with each space as the unit, data in the next space relative to the current space is cached and data in the last space is deleted. Compared with the prior art, the method and system have the advantages of automation, lightweight, fine granularity and the like.

The invention discloses a JavaScript file management method, device and system. The method comprises the following steps of: receiving and analyzing a JavaScript request from a client side; acquiring a file array corresponding to the JavaScript request; traversing a file dependence structure chart according to the file array; searching a JavaScript file corresponding to the JavaScript request and a file set in dependence with the JavaScript file; and if the JavaScript file corresponding to the JavaScript request and the file set in dependence with the JavaScript file are found out, sending the JavaScript file and the file set to the client side. The invention realizes that the page loading speed and the webpage downloading speed are increased.

The invention discloses an ant colony-based QoS optimization routing method in ultraviolet wireless Mesh network, which comprises the steps of: first, constructing an ultraviolet-based wireless Mesh network topology structure chart on the basis of the research on ultraviolet communication characteristics; second, setting a probability formula of ant colony algorithm according to different QoS constraint conditions; third, providing an ant colony-based QoS optimization routing method in ultraviolet wireless Mesh network in combination with excellent properties such as ultraviolet transmission characteristics, distributed computation of ant colony algorithm, positive feedback, greedy heuristic search, high robustness and the like; at last, performing simulation comparison on new algorithm and classic shortest route Dijkstra algorithm in Matlab simulation software respectively, thereby analyzing the performance and advantage of the new method. The method of the invention solves the shortcoming that the existing QoS routing algorithm cannot be directly applied to the communication based on ultraviolet.

The invention relates to an automatic power distribution network single line diagram drawing method based on an improved gravitation repulsion model and belongs to the technical field of electric power system dispatching automation. According to the method, firstly, all devices and connection relations which belong to one feeder line are read from a power grid public information model; all the read devices are abstracted into nodes, the connection relations between the devices are abstracted into lines, and a foundation network structure chart is completed; then, the device nodes are replaced with 8-node rectangular frames, and layout adjustment is performed on the structure chart by using the improved gravitation repulsion model; a final layout is generated through orthogonalization, intersection removal and connecting line contraction; finally, information including node positions, device types, device names and electrical attributes of the devices in the final layout are output to a single line diagram file, device diagrams replace the 8-node rectangular frames, and drawing of a power distribution network single line diagram is completed. The single line diagram drawn with the method has attractive and compact layout and lines do not intersect and overlap.

The invention relates to an indoor accurately positioning method based on wireless fidelity (WIFI) and an acceleration sensor. The indoor accurately positioning method based on the WIFI and the acceleration sensor comprises a background server. The background server comprises an indoor architecture structure chart, a wireless switch distribution network diagram formed by surrounding an indoor architecture structure and a coordinate graph of the indoor architecture structure formed according to distributed network signal strength of the wireless switch. According to the indoor accurately positioning method based on the WIFI and the acceleration sensor, position information of a moving object in architecture and three-dimensional information of the acceleration sensor are acquired through an identification code, and then accurate positioning of the moving object in the architecture is achieved, the defects of indoor positioning by using a single WiFi technology are overcome, and dead covers of the coverage of the WiFi are avoided. Due to the fact that the 3rd generation telecommunication (3D) acceleration sensor is capable of reflecting the motion trail of the moving equipment continuously, coverage dead corners are avoided. The indoor accurately positioning method based on the WIFI and the acceleration sensor can adapt to complex environments with large-scale buildings and has the advantages that indoor positioning precision can be improved to be within the range of one meter by combining a motion trail algorithm and the structure of the architecture, high positioning precision is achieved, and indoor-and-outdoor seamless positioning is achieved.

A transformer station network intrusion detection and analysis method based on a character fingerprint is configured to detect and analyze the transformer station industrial control network intrusion. The method comprises the following steps: (1) establishing a transformer station network topology structure chart through analysis of the transformer station communication network; (2) establishing a character fingerprint bank layering model through the stratification analysis method; (3) performing extraction and analysis of the flow through adoption of the DPI and DFI technologies, extracting the character fingerprint and improving the character fingerprint bank; and (4) establishing a character fingerprint bank assessment system based on the established character fingerprint bank, and performing detection and analysis of the network character fingerprint. The transformer station network intrusion detection and analysis method based on the character fingerprint can perform comprehensive detection and analysis of the transformer station industrial control network intrusion and can rapidly determine the abnormal nodes.

The invention discloses a method for a reliability test of communication network services based on link circuits, which comprises the following four steps: step one, acquiring a service topological model through a network topology structure chart and the network service flow, and determining service branches and the link circuits on the branches; step two, establishing a network service profile according to actual use conditions, and loading the services to a network according to the network service section plane; step three, making clear a failure criterion of each service, and acquiring relative data from the network during the dynamic operation of the services; and step four, setting threshold values according to the failure criterion of each service, and performing fault number analysis and calculation on each service respectively to further calculate network reliability indexes according to a given algorithm. The method makes clear that the network reliability is the capacity of the network for supporting different requirements of a plurality of services, provides the service topological model combining the service flow and the network topology, and make fault decision have a foundation by describing the relation between the link circuits capable of actually performing data measurement and each service.

The invention relates to the technical field of big data, and discloses a data processing method, which comprises the following steps: collecting legal document data of a specified legal website; performing entity relationship extraction processing on the legal document data to obtain named entity objects of each legal knowledge point in the legal document data and entity relationships among the named entity objects; identifying entity attributes corresponding to the named entity objects in the legal document data by adopting a regular expression; constructing a legal knowledge structure chartbased on a chart database by taking the named entity object, the entity attribute and the entity relationship corresponding to each legal knowledge point as source data; and by taking the legal knowledge structure chart as a database, creating legal knowledge points and a similar case query page for legal knowledge retrieval. The invention further discloses a data processing device and equipmentand a computer readable storage medium. According to the constructed legal knowledge graph, basic knowledge in the legal field is collected, and the retrieval efficiency of legal personnel on the legal knowledge is improved.

The invention discloses a web useless link filtering method based on content relevancy. The method comprises the following steps of: removing irrelevant advertisement links and navigation links in a page by using text position information in the page by a statistical method; and carrying out relevancy analysis on contents of the page and the contents of the linked pages, and removing useless links having irrelevant contents. By the web useless link filtering method, the useless links can be better removed, and page rank computation is carried out on a purified link structure chart, so a page rank result can be better improved, the quality of the pages with a high page rank is improved, more high-value websites are introduced and the like.

The invention discloses an SDN framework based virtual optical network oriented mapping method. The method comprises: step 1: determining a virtual request and network parameters of a physical bottom layer as well as a topologic structure chart, creating a topologic auxiliary chart by taking VON-FP values as weight values of links, and determining an optimization target; step 2: arranging the links on the topologic auxiliary chart in an ascending order according to the VON-FP values, performing classification according to the virtual request, and determining a mapping mode according to a mapping rule; step 3: establishing a framework of a method for population based global search and individual based local heuristic search, and performing solution mapping on classified virtual optical network requests by using the search method; and step 4: repeatedly and iteratively searching for a mapping method to obtain an optimal mapping scheme when a fitness function is minimal, and distributing the scheme to an SDN based NOX framework to perform specific data calculation and traffic forwarding operation. According to the method, the efficiency of multi-domain virtual optical network mapping is improved and the failure rate of the whole network after mapping is reduced.

The invention discloses an escape indoor navigation system used for guests based on a building structure chart and a fire-fighting communication system. The method comprises the following steps: storing the building structure chart, arranging a hand-held terminal and activating the hand-held terminal, performing real-time positioning and dynamic calibration on escape people, wherein the dynamic calibration of the position of the escape people employs a position coordinate of a RFID label collected by the hand-held terminal of the escape people, or a mapping relation of numbers of floors, roomsor stairs of the escape people in an on-site building and a corresponding point on the structure chart, or an address code of a smoke alarm which is nearest to the escape people and automatically obtained, so that the current position coordinate of the escape staff can be determined. A master control system integrates the information collected by several terminals, and then the building structurechart is combined, and graphical display is realized through a display module, and condition in the building can be better and conveniently understood for rescue workers outside a fire scene, and a reasonable rescue scheme can be made.

The invention provides a manufacturing method of an artificial core, a manufacturing instrument of the artificial core and the artificial core. The manufacturing method of the artificial core comprises the following steps of: A, selecting a medium as a material for manufacturing the artificial core; B, taking a natural core with a multi-layer pore structure as a core sample, layering the natural core according to a set layer distance, manufacturing each layer core structure chart of the core sample according to each layer structure of the core sample; C, melting the medium, printing the molten medium on an object stage one layer by one layer according to each layer pore structure chart, wherein the object stage and the molten medium cannot be fused with each other; D, after finishing the printing, taking down the solid medium on the object stage after cooling and condensing the medium on the object stage. The manufacturing instrument of the artificial core comprises a heating device, a nozzle, an object stage and a control module. The artificial core is manufactured by the above manufacturing method.

The invention provides a message propagation path extraction method and system. The method comprises the first step of obtaining propagation data and conducting statistics on hierarchies of the propagation data except original propagation nodes, the second step of analyzing the propagation nodes in the propagation data, wherein the analyzing process includes the steps of conducting analysis to obtain the hierarchy which the single propagation node belongs to and the propagation node of the previous hierarchy connected with the single propagation node, marking the propagation frequency of the single propagation node in the hierarchy where the single propagation node is located and adding one to the propagation frequency, marking the propagation frequency of the propagation node, connected with the single propagation node, of the previous hierarchy, adding one to the propagation frequency and marking the analyzed propagation nodes, the third step of conducting statistics on all the hierarchies and the propagation frequencies of all the propagation nodes in all the hierarchies, the fourth step of conducting statistics on the number of all the propagation nodes except the original propagation nodes to obtain the total propagation frequency of the original propagation nodes, and the fifth step of constructing a message path tree structure and extracting required propagation nodes. By the adoption of the message propagation path extraction method and system, the message propagation nodes and message propagation paths are analyzed and then integrated to obtain a path structure chart, the key propagation nodes are obtained, and the propagation effect is achieved.

The invention relates to a security check system capable of recognizing prohibited articles based on the ray technology and deep learning, and the system is characterized in that the system comprisesa nuclear density meter, a spectrum analyzer, an X-ray security detector, a GPS module, a wireless communication module, a microcontroller, a power module, an alarm module, and a display module; the X-ray security detector stores a collected X-ray transmission image and corresponding image position information in the image storage module, and the function of the microcontroller is to realize the segmentation of an article image and recognize whether a sub-image is an image of a suspicious prohibited item or not, so as to facilitate further identification and confirmation; the wireless communication module realizes the communication of the nuclear density meter, the spectrum analyzer and the X-ray security detector with the microcontroller. The structure chart of a designed security check device consists of a conveyor belt (1), a device housing (2), a ZA150180 channel X-ray machine (3), a DensityPRO (4), a CMS-2S fast spectrum analyzer (5), and an alarm (6). The system achieves the recognition of the suspicious prohibited item through the knowledge of deep learning, and then combines with the nuclear density method and the spectrum imaging technology for further confirming the suspicious prohibited item.

The invention relates to a microblog rumor detection method and system based on user relationship structure features. The method comprises the following steps: 1) constructing a user relationship structure chart according to user behavior information, and modeling the user relationship structure chart to obtain a user vector; 2) constructing a propagation tree according to a propagation path of the microblog topic stream data, and encoding the propagation tree to obtain a propagation tree vector; and 3) cascading the user vector and the propagation tree vector, and inputting the user vector and the propagation tree vector into a neural network to judge whether the microblog topic is a rumor. The system includes a user encoder, a propagation tree encoder, and an integrator. According to themethod, users participating in the rumor propagation process are modeled to obtain vector representations of all the users in the microblog data stream, and useful detection factors are added in therumor detection process, so that the effect of user characteristics is reflected, and the accuracy and F1 value of a rumor detection system are improved.

The invention discloses a novel salt-containing wastewater concentration treatment device with air as a medium. The novel salt-containing wastewater concentration treatment device consists of a packed tower (evaporator), a plate heat exchanger (condenser) and a heating module (low-grade heat energy and solar energy), wherein a humidification and dehumidification method is adopted; flowing air is taken as a vapor carrier to treat salt-containing wastewater in an evaporation concentration manner; air is humidified by the heated salt-containing wastewater in the packed tower, is fed into the plate heat exchanger according to different temperature gradients in the packed tower after a certain amount of vapor is carried, and is condensed and dehumidified, so that fresh water can be produced; condensation latent heat can be recycled to preheat the salt-containing wastewater. (See the structure chart in the drawings of the description) By adopting the novel salt-containing wastewater concentration treatment device disclosed by the invention, the defects that a conventional treatment method is high in energy consumption, up-front cost and later maintenance cost, production scale requirement, and requirement on foundation facilities in a production area can be avoided.