465results about How to "Closely" patented technology

The invention discloses a theme word vector and network structure-based theme keyword extraction method, and particularly relates to the technical field of extracting keywords from texts. The theme word vector and network structure-based theme keyword extraction method comprises the following steps of: carrying out theme clustering on a text corpus on the basis of an LDA theme model, and obtaining100 keywords, relevancies of which with each theme are top 100 in the theme; expressing each word in the text corpus as a word vector by utilizing word2vec, obtaining a semantic similarity between every two words through calculation, and respectively calculating 5 words, semantic similarities of which with each keyword in the keywords are top 5, wherein the keywords and the words, the semantic similarities of which with each keyword are top 5 form a new keyword set; and constructing a keyword network and obtaining the top 20 words in each set to serve as keywords of the theme. According to the method, keywords which have relatively high word frequencies in documents can be extracted, and keywords which have relatively word frequencies and are strongly associated with themes can be effectively discovered.

The invention discloses a financial network unusual transaction community finding method based on information entropy. The method includes the specific steps of firstly, analyzing the process and the mode of an unusual transaction, and extracting features of block transactions and suspicious transactions; secondly, storing transaction amounts and traction frequency information of accounts through an adjacent matrix so as to quantize the features; thirdly, defining the information entropy of nodes; fourthly, conducting community division and finding on the financial network nodes according to the financial network unusual transaction community finding method based on the information entropy; fifthly, evaluating the community finding result. Firstly, accuracy of unusual transaction account identification and unusual transaction communication division which are achieved according to the method is calculated, and then the structure of the unusual transaction community is evaluated through the community evaluation index modularity Q. The community finding method based on the information entropy is applied to the anti-money laundering field for the first time, the money laundering accounts can be identified and tracked by finding the unusual transaction community, and unusual transactions can be prevented by analyzing the relations and the transaction laws between money laundering accounts.

The invention discloses a group and place recommendation method based on locations and social relationships. The group and place recommendation method comprises the steps of: acquiring user check-in information in an LBSN, removing places and user data with poor effectiveness, and finally acquiring check-in data of users; utilizing a Pearson correlation coefficient, measuring check-in similarity based on common check-in data of the users, calculating a check-in similar degree among the users, and establishing a user check-in similar degree network; identifying different communities by utilizing a discrete particle swarm optimization method according to the user check-in similar degree network; and acquiring a friend list according to accounts of a user social network, forming social adjacent relationships of users in communities, finally generating a social group, recommending the social group to target users and recommending places to the target users by adopting the collaborative filtering recommendation method. The community finding method is simple and easy to operate, and the community dividing speed is fast. By adopting the method of combining the social group with place recommendation, the complexity of the method is reduced, and the recommendation precision is improved.

The invention discloses a long tunnel fast construction process. The tunnel construction method in the direction from the entrance to the exit and the tunnel construction method in the direction from the exit to the entrance are the same and each construction section is respectively constructed from back to front. The construction process is as follows: 1, excavating construction at an initial construction section, the process is as follows: performing advance geology forecast, determining the excavating construction method for the current construction section, excavating and primary supporting; 2, excavating construction at the next construction section; 3, repeating the step 2 for multiple times until the construction tunnel is through, wherein in the tunnel construction process, found water seepage areas are timely subjected to draining treatment, and the secondary lining construction is synchronously performed on the tunnel holes formed by excavating from front to back. The long tunnel fast construction method is reasonable in design, simple and convenient in construction, safe in the construction process, short in construction process and fast in construction progress, thus effectively solving the defects and shortcomings such as large equipment investment, long construction period and slow construction progress of the existing long tunnel construction.

The present invention provides one kind of turtle-shaped bionic underwater robot, which includes one turtle-shaped casing, one sensing and measuring unit in the head and shoulder part, one control and drive unit in the chest, one power source unit in the abdomen, one communication system unit in the tail, one front limb moving unit and one back limb moving unit. The sensing and measuring unit consists of one sonar detector, one underwater CCD camera, and multiple light sources; the control and drive unit consists of one executing controller and one coordinating controller; the power source unit includes one motor driving power module and controller power module; and the communication system unit consists of one communication system module and one external antenna. The present invention has the advantages of high flexibility, low power consumption, one noise, great traveling range, etc.

The invention provides a handling robot system for chemical mechanical polishing, which is characterized in that an actuating mechanism comprises a robot body and a support device, the robot body comprises jaws, jaw turning mechanisms, small arms, large arms and a sleeve, the support device comprises a linear guide slide and a guide screw, a detector is used for detecting operating state parameters of the actuating mechanism to generate detection formation, a control device is used for controlling movement and motional angle of the jaws and comprises an upper computer controller, a master controller, a motion controller, a servo driver, a motor and an encoder, the upper computer controller is used for receiving operational orders input by a user, the encoder is used for detecting corresponding state information of the motor, the master controller is used for generating movement orders for the actuating mechanism, the motion controller is used for calculating motor controlling quantity according to a preset control algorithm, the servo driver is used for calculating corresponding control torques of the motor, and the motor is used for driving the actuating mechanism to move under control of the corresponding control torques.

The present invention is applicable to the technical field of computers, and provides a text subject detection method and system. The method comprises: training an input target text by using an LDA model, to obtain initial allocation between words and subjects in the target text; setting word embedding of a pre-acquired external corpus as an initial value of word embedding of the target text; according to the obtained initial allocation, training the target text by using a model as shown in the description, to obtain the word embedding and a subject vector of the target text; scanning each document in the target text according to the acquired initial allocation, and the word embedding and subject vector of the target text; and executing a preset subject detection step for each training target word that is obtained through scanning, to obtain a subject related to the target text. Therefore, deeper semantics of the learned word embedding and subject vector can be ensured, and an association with other words is closer, and the accuracy of subject identification is effectively improved.

The invention discloses a test case input method and device. The method includes the steps that a test case file is analyzed, and test nodes and a node hierarchical relationship are obtained; the test nodes and the node hierarchical relationship are transformed into a tree structure file; the tree structure file is analyzed to obtain a test case set and test cases, an application programming interface of a test case management system is called, and the test case set and the test cases are input into the test case management system. According to the test case input method and device based on a mind map, linkage between test case design and test case management in the test process can be achieved.

The invention discloses an anti-counterfeiting source tracing system based on a block chain. The system comprises the following functional modules: (1) a verification code generation module which is used for generating the unique verification code of the product; (2) a verification information storage module which stores verification information in the block chain; (3) a verification code readingmodule which reads external anti-counterfeiting information and identifies the corresponding verification code; (4) a verification code verification module which decodes and identifies the verification code; and (5) a commodity information output module which reads product information out of a database after successful matching. The unified and secure anti-counterfeiting verification mode is provided through the block chain technology and can be additive to the existing external anti-counterfeiting means so that the multistep anti-counterfeiting verification process can be simplified and the cost for anti-counterfeiting verification can be saved. New technical support is adopted so that more product information can be provided on the basis of the original anti-counterfeiting information, and the buyer of the commodity is enabled to participate in the source tracing process of the commodity and get more recognition from the commodity buying process.

The invention discloses a power grid terminal communication system. The power grid terminal communication system comprises a power utilization terminal, an information acquisition module, a local centralized processor, a GPRS (General Packet Radio Service) module and a remote monitoring center which are connected in sequence, wherein the information acquisition module is used for acquiring the data information of the power utilization terminal, aggregating the data information of the power utilization terminal into the local centralized processor, establishing connection with the GPRS network through a GPRS module, and transmitting the data information to the remote monitoring center; the remote monitoring center is used for analyzing and processing the data information transmitted by the power utilization terminal, and sending a control command back to the corresponding power utilization terminal. By adopting the power grid terminal communication system disclosed by the invention, a high-speed, bidirectional, real-time and integrated power grid communication system can be realized.

The disclosure is about a positioning guide method, a parking guide method and positioning guide and parking guide devices, and is used to improve positioning accuracy. The positioning guide method comprises determining at least one signal intensity average values from at least one wireless transmitting equipment disposed at positions of at least one parking lot, determining current position information of a terminal equipment according to the at least one signal intensity average value, and determining information performing guide and prompt of parking positions of vehicles for users of terminal equipment according to the current position information and stored vehicle parked position information on the terminal equipment. According to the technical scheme of the disclosure, positioning and guide for the users can have more real-time performance, and positioning precision is higher.

The invention discloses an algorithm for dynamically tracking and summarizing news events. The method is characterized by comprising steps of firstly, inputting query statements related to the news events, retrieving the query statements and acquiring news documents and corresponding release time; secondly, creating word co-occurrence graphs; thirdly, extracting a plurality of themes related to the news events from the word co-occurrence graphs by the aid of a community discovery algorithm; fourthly, selecting sentence group sequences corresponding to each theme in theme sets and corresponding occurrence time labels; fifthly, acquiring abstract sets from the corresponding sentence group sequences for each theme in the theme sets according to occurrence time and generating summaries corresponding to the respective themes. The abstract sets correspond to the respective themes. The algorithm has the advantages that the multiple news themes which are reserved in the found news documents can be sufficiently utilized, each theme is dynamically tracked and summarized, and accordingly users can comprehensively and pertinently understand concerned news abstract.

The invention discloses a BIM-based steel structure full life cycle management system and method, and belongs to the technical field of fabricated steel structure computer application. The system comprises four modules: a first module which is a design calculation module and a data information sharing platform provided for a plurality of different professional departments; a second module which isa prefabrication processing module, completes deepening of a design drawing, divides component categories according to information, gives a prefabricated component production plan and completes prefabrication processing in a factory; a third module which is a construction management module used for overall planning component scheduling, laser scanning of a construction site, simulation of site construction and supervision of construction quality and progress; and a forth module which is a maintenance management module used for regularly maintaining and detecting the building put into use andanalyzing and processing emergency accidents. According to the invention, cooperative management of the fabricated steel structure in the whole life cycle of design, processing, construction and use maintenance can be realized, and three-dimensional visual information collection, process supervision and later operation maintenance are carried out on the building.

The present invention aims to provide a power network and power plant cooperative scheduling operation business integrated management system which can cover the scheduling operation businesses between a power network and a power plant comprehensively, possesses the expansibility and adaptability, realizes the business and flow integrated distributed heterogeneous system management, finishes the scheme design comprising the distributed heterogeneous system deployment architecture design which is between the power network and the power plant and spans safe region and system boundary, the internet communication architecture design between the power network and the power plant, the business flow butting and the flow state monitoring, and solves the problems existing in the conventional cooperative scheduling operation business integrated management between the power network and the power plant. The system comprises the following content of the deployment architecture, the power network and power plant internet communication architecture, the business flow butting and the flow state monitoring.

The invention discloses a reactive voltage control partitioning method based on AP clustering. The reactive voltage control partitioning method comprises the following steps that voltage reactive sensitivity is obtained based on a Jacobian matrix obtained through power flow calculation, and a PQ node electrical distance matrix is structured based on voltage sensitivity among PQ nodes; the minus of all elements of the PQ node electrical distance matrix is taken, and a similarity matrix is structured; the optimal clustering center, the optimal clustering number and a partitioning clustering result are obtained, and clustering of the PQ nodes is completed; the voltage regulating and control sensitivity of all PV nodes to all PQ partitions is calculated based on a perturbation method, and the PV nodes are partitioned into the PQ partition most sensitive in voltage regulating and control. The AP clustering algorithm is applied to voltage reactive partitions, the clustering number can be automatically obtained, unsupervised learning is carried out based on definitive evidence spreading, subjective factors in the clustering process are effectively reduced, the problem of random searching is effectively solved, and random factors are not included in the algorithm process.

The invention relates to a power spring application system based on power control and a control method thereof. The power spring application system comprises a conventional power generation output voltage source vG, a line resistor R1, a line inductor L1, a key load ZC, a non-key load ZNC, a single-phase power spring system and an analog new energy power generation grid-connected inverter system. Aiming at the problem of voltage and power fluctuation of a micro grid, which are caused by instability of output power of new energy power generation, the invention discloses the power spring application system based on power control and a control technology thereof, so that fluctuation of the new energy power generation voltage and power can be transferred to a power spring device and the non-key load, thereby ensuring stability of the voltage and the power on the key load. The power spring application system and the control method thereof, which are disclosed by the invention, are high in practical value, easy to popularize; in a place where the key load is positioned, stability of the voltage and the power of such key load can be effectively kept, so that electric energy quality of the key load is improved.

The invention discloses a soft rock roadway buffering tapered double strong shell support system. The soft rock roadway buffering tapered double strong shell support system comprises a first strong shell, a second strong shell and a telescopic U-shaped steel support, wherein the first strong shell is an internal grouting reinforcing ring formed after cement-water glass is injected in surrounding rocks of a loose damage area; the second strong shell is an external grouting reinforcing ring formed after high-pressure chemical grout is injected in surrounding rocks of an incomplete damage area, and the second strong shell is used for connecting complete surrounding rocks with the first strong shell; the telescopic U-shaped steel support is arranged on the surface of the first strong shell, a buffer pressure-relief layer is arranged between the back of the telescopic U-shaped steel support and the surface of the first strong shell, and an internal bearing structure of the support system is formed by the telescopic U-shaped steel support and the buffer pressure-relief layer together. According to a surrounding rock reinforcing method in different grouting manners regionally, the large rheological deformation of soft rock roadway surrounding rocks is controlled, the stress state of the support system can be improved, and the stability and non-deformability of the surrounding rocks are improved.

The invention provides a preparation method of a carbon fiber surface composite coating, relates to a preparation method of a composite coating and aims to solve the problem that a weak interface exists between carbon fibers and a resin matrix in the carbon fiber composite material prepared by the existing method. The method comprises the following steps: 1, pretreating carbon fibers; 2, applying; 3, curing; 4, carbonizing; and 5, functionalizing the coating, thus obtaining the carbon fiber surface composite coating. The invention has the following advantages: 1, the interlaminar shear strengths of composite materials are respectively increased by 20-70%; 2, the composite materials are in close contact with the carbon fibers, can not be peeled easily and are favorable in stability; 3, by adjusting the chemical composition and component ratio of a phenol formaldehyde resin size, the carbon fibers can be endued with different functions, or the phenol formaldehyde resin size can be used for different kinds of resin matrix composite materials; and 4, the preparation method is a continuous method, has the advantages of high simplicity, high efficiency and favorable effect, and is easy to realize industrial production. The invention is mainly used for the preparation of a carbon fiber surface composite coating.

The invention belongs to the technical field of network information. The invention relates to a cause and effect reason map construction method based on integration of multiple neural networks. The method comprises the following steps of: marking data of an obtained corpus by adopting a BIO sequence marking system and segmenting the data; performing event extraction by using a BERT + Bi-LSTM + Attention + CRF model, combining events based on event extraction elements (O, V) and defining event pairs and rule features during event relationship extraction, and extracting causal relationships in combination with the rule features between the events and the Bi-GRU model; carrying out similarity calculation based on event pairs; selecting two events with the highest scores to be combined into a(event i, similarity, event j) triple; extracting triples of combinations (reason events, cause and effect, and result events) on the basis of event relationships; then, adopting a Neo4j graph database for persistent storage, building a reason logic knowledge base is built to construct a cause and effect reason graph for hot topics, the constructed cause and effect reason graph can deeply extractsemantic information, and real-time control over hot events by related supervision departments and personal users is facilitated.

The invention discloses an intelligent cold accumulation insulation box circulation control system based on the Internet of Things, and relates to cold accumulation insulation boxes in the field of refrigeration equipment. In order to solve the problems that fresh food e-commerce cannot supervise logistics quality, and is relatively large in construction investment of self pick-up site, lack of fresh product delivery channels to customers, and inconvenient in delivery mode. The invention adopts a new technical scheme to solve the abovementioned problems. The technical scheme is as follows: anintelligent control device is added on a traditional insulation box; the device comprises a central control unit, a mobile communication unit, a positioning unit, a box door lock unit, a splicing lockunit, a vibration measurement unit and a deformation measurement unit, so that the insulation box has functions of supervising, alarming, recording and reporting the logistics quality. Due to the mortise and tenon joint structure of a box shell, the insulation boxes can be spliced together to form a self pick-up box, and the insulation box also can be combined with a matched express cabinet to form an insulating self pick-up cabinet, so that the investment cost of the self pick-up site is reduced, the goods delivery channel is increased, and the delivery convenience is achieved.

The invention relates to an axially through H-type finned tube and a heat exchange tube bundle thereof. The H-type finned tube comprises a base tube part, a fin part and a through part, wherein the base tube part comprises at least one base tube; the fin part comprises a plurality of parallel fin groups which are arranged in the axial direction of the base tube and connected with the outer wall of the base tube; each fin group comprises two fins which are symmetrically arranged on two sides of the base tube and regularly arranged according to a certain pitch; a groove matched with the outer wall of the base tube is formed in the inner side of each fin; the through part comprises through grooves that are processed in parts of the surfaces of the fines in a smoke flowing direction and arranged relative to the base tube; and flow deflectors passing through the corresponding through grooves are arranged on a smoke outlet side and connect the fin groups in series in the axial direction of the base tube to change the axial cross section of the H-type finned tube from a plane into a three-dimensional structure. According to the axially through H-type finned tube and the heat exchange tube bundle thereof, an initial region of ash deposition can be effectively eliminated, a flow stagnation region on the leeward side of the finned tube is obviously reduced, and ash deposited on the side surfaces of the fins and the base tube in the flow stagnation region is greatly reduced; meanwhile, the heat transfer effect of the H-type finned tube is effectively enhanced; and the through grooves can be formed by punching, so that automatic production can be realized easily.

The invention relates to combined ecological slope protection of a rocky high slope, and belongs to the technical field of rocky high slope reinforcement, weathering resistance and ecological slope protection in rock and earth engineering. The slope protection combined layer comprises a lower grid layer, a temperature change resistant layer, a waterproof layer, a stabilizing layer, a nutritional matrix layer, a plant layer, an upper grid layer and steel battens. A construction method comprises the steps of determining anchoring force and an anchorage cable type and setting the slope protection combined layer. By combination and fixing of a prestressed anchorage cable and a shallow anchorage rod, three effects of reinforcing rocks, preventing weathering and greening the surface can be achieved, the construction process is simplified, and the operation is convenient.

The invention provides a three-dimensional seismic data waveform semi-supervised clustering method based on the EM algorithm. According to the three-dimensional seismic data waveform semi-supervised clustering method based on the EM algorithm, following processing is conducted on three-dimensional seismic data in a time window on a target layer; the extreme point of a three-dimensional seismic data waveform is searched, a seismic waveform is fit through the Chebyshev polynomials, and a fitting coefficient is taken as a waveform characteristic parameter; fit seismic waveforms of well byway seismic data in the three-dimensional seismic data is classified according to logging information, so that a labeled sample data set containing class information is formed; semi-supervised clustering is conducted on fit seismic waveforms which are not classified according to the EM algorithm, wherein the parameter initial value for iteration of the EM algorithm is given through the labeled sample data set containing the class information, and then clustering is conducted on the waveform characteristic parameter according to the fact that waveforms around the extreme points on the same geologic horizon are similar. According to the three-dimensional seismic data waveform semi-supervised clustering method based on the EM algorithm, logging data are adopted during clustering, classifying precision is improved, and a classification result and actual class information are closely associated.

The invention discloses a two-lane cellular automata microscopic traffic simulation method for simulating dynamic lane-changing behavior. The method comprises the following steps: (1) determining basic parameters of a simulation system; (2) creating the simulation system and initializing the system; (3) changing lanes, including checking lane change motive, calculating intensity index of lane change motive, determining lane change distance and lane change probability, and carrying out lane change operation; (4) evolutionary updating, including acceleration, prediction of vehicle speed, deceleration, stochastic moderation and motion; (5) calculating the critical traffic parameters of density, speed and rate of the traffic flow. The invention better simulates the real operation situation ofa vehicle in a two-lane traffic system, and can reflect the dynamic change of driving psychology and driving behavior and the complex dynamic process of interaction between vehicles, simulate the dynamic lane-changing behavior of drivers more truly, and provide scientific guidance for the planning, design and management of the traffic system.

The invention relates to a polycarbonate / ABS resin plastic alloy to mainly solve a problem of low impact strength of polycarbonate / ABS plastic alloys prepared through previous technologies. The problem is well solved through adopting a technical scheme that the plastic alloy is composed of a polycarbonate resin, a bulk polymerization ABS resin, a compatilizer SMA resin, and auxiliary agents of an antioxidant and the like in the invention. The polycarbonate / ABS plastic alloy can be applied to the production of various plastic products needing the high impact strength, such as automobile bumpers, meter panels and the like.

The invention relates to a digital intelligent alarming linkage system. The invention solves the technology problem that: providing a digital intelligent alarming linkage system which can realize the smooth linking, fluent cooperation, integral dispatching of alarming-word recording-voice warning-image tracing-point locating. The digital intelligent alarming linkage system includes a synthesis alarm state processing device, network databank, uniform dispatching platform, audio frequency image supervising device, GIS geology information device. The invention can be applied to police supervising field, especially the 110 alarm receiving and processing arrangement system, at the same time, it can be extended to path supervising, electric supervising, environment supervising, power supervising.

The invention relates to a banded transportation junction formed by paralleling parallel elevated road stations and elevated railway stations, belonging to the technical field of railway station construction and aiming at solving the problem of inconvenience brought about for people by the conditions that the stations of various transport means of a large-scale integrated transportation junction are excessively concentrated, a scale is excessively huge, and transport is separated from commerce. The parallel elevated road stations are arranged parallel to one or more than one elevated railway station at short distances to form the banded transport hub; stop stations of island platforms of the parallel elevated road stations correspond to entrances / exits of the elevated railway stations, and passengers can take buses which are convenient for positive-direction and reverse-direction transfer on parallel elevated roads to reach and leave the entrances / exits of elevated railway stations on which the passengers need to take; and when the parallel elevated road stations are parallel to the elevated railway stations in an overlapping way, the parallel elevated road stations are positioned below the elevated railway stations.

The invention provides a line spectrum-to-parameter dimensional reduction quantizing method based on a conditional Gaussian mixture model. Specifically, the method comprises the following steps of: firstly framing sampled voice signals, extracting LSP (Linear Spectrum Pair) characteristic parameters of the voice signals to carry out characteristic parameter dimension reduction; then dividing a characteristic parameter sequence to obtain subvector; combining a subvector parameter sequence in pairs, and establishing a union sequence; training a conditional Gaussian mixture model by utilizing the union sequence to obtain the parameters of the conditional Gaussian mixture model; calculating the conditional probability density by utilizing parameters of mean value vector, covariance matrix and the like of the conditional Gaussian mixture model, wherein the number is equal to that of a Gaussian component; then grouping the data, and including the current frame data into a group distributed by the Gaussian component with maximum conditional probability density; training a code book to the grouped data by using an LBG (Linde, Buzo and Gray) algorithm, thus finally obtaining the code book, namely the vector quantizing result of the voice signal. The line spectrum-to-parameter dimensional reduction quantizing method based on the conditional Gaussian mixture model can be used for promoting the quantizing property, and is simple to train, and low in calculation complexity.

The invention relates to an internet + smart education system. The system comprises a cloud data center and a client; the client is connected with the cloud data center through the internet to performdata exchange and information management; the client comprises a teacher end, a student end and a parent end; the cloud data center is used for storing student, parent and teacher information and teaching resources; and the client realizes information matching and exchange between teachers and students, between the students and parents and between the teachers and the parents through permission setting. A conventional teaching mode is innovated by adopting internet + technology and concept; closer relationships are established among the teachers, the students and the parents; the problem of uneven teaching resource allocation in time and space is solved; the teaching effect is improved; and the convenience is brought for the students and the parents.