484results about How to "Implement the build" patented technology

The present invention discloses a method for constructing a public opinion knowledge map based on hot events, and belongs to the field of natural language processing. The method comprises: obtaining microblogging texts in real time, processing each microblogging text, constructing text clusters, calculating a topic category to which each text cluster belongs, identifying hot events in each clusterby category, and collecting statistics of multi-dimensional attributes of each hot event; identifying key people and organizations involved in the discussion of the hot events and obtaining the multi-dimensional attributes of the key people and organizations; and constructing a multi-dimensional attribute system and a relationship type among events, people and organizations, taking the relationship among the events, people and organizations as association, and constructing a public opinion knowledge map. According to the method disclosed by the present invention, the hot events, people and organizations can be described from multiple dimensions, and all-directional analysis of hot events, people and organizations can be implemented; and according to the actual needs, the weight of different topic categories can be set, and construction of the public opinion knowledge map of different topics can be realized.

The invention provides a multi-scene drone locating and three-dimensional map mapping method based on a three-dimensional laser radar. In an indoor environment, when no GPS signal exists, a SLAM algorithm based on a three-dimensional laser sensor is built; in an outdoor environment, position information provided by RTK is mainly relied on to build the three-dimensional map, and after RTK loses theGPS signal, SLAM assists in locating. An indoor and outdoor three-dimensional map is quickly built, a convenient and efficient method is provided for obtaining the three-dimensional environment map,and the efficiency of building the three-dimensional environment map in the indoor environment and the outdoor environment is improved to a great extent; on the theoretical basis of mapping optimization of the SLAM algorithm, a drone platform SLAM algorithm is built based on the three-dimensional laser sensor, the three-dimensional environment map is built in the environment without the GPS signal, the problems of indoor locating and indoor and outdoor locating merging of a drone are solved, requirements of multi-scene drone locating are met, on the basis of obtaining high-precision attitude information, laser data is merged, and the three-dimensional map is built.

The invention provides an urban multi-disaster risk loss evaluation system based on an open source system framework and a building spatial database. The urban multi-disaster risk loss evaluation system comprises an 1a) MAEviz open source framework development platform based on an Eclipse RCP frame, wherein the MAEviz open source framework development platform is used for extending a flood, wind damage and tsunami disaster loss evaluation module so as to realize multi-disaster urban risk loss evaluation; a 1b) disaster information module which is used for analysis of the risk and the dangerousness of flood, typhoon, earthquake and other natural disasters and evaluation of regional disaster-causing possibility; a 1c) spatial geographic information module which provides a common GIS function so as to realize construction of a localized urban disaster-affected body geographic information system property database; an 1d) urban disaster-affected body type classification and vulnerability analysis module which is used for establishing a building vulnerability module base of typical building structures under different disasters; and a 1e) disaster loss evaluation module which is used for damage prediction of disaster-affected body structures and damage loss evaluation of the disaster-affected bodies.

The invention discloses a multi-microgrid interconnected operation coordinated scheduling optimization method in consideration of interaction response. The method comprises the following steps: initializing a system and acquiring a related parameter in the day-ahead optimization process, wherein each microgrid independently solves the respective optimization strategy according to the initialization information; and then performing information interaction in a microgrid cluster to share the respectively acquired optimal strategies, and updating the system state information, wherein a system control center judges whether the Nash equilibrium is achieved; entering the intra-day optimization stage, performing short-term prediction on the scenery output and load demand, inputting the short-termprediction data in single microgrid to establish an optimization model, performing rolling optimization on the system and solving the same; selecting all control variables in a control time domain asthe actual scheduling scheme after the solution is finished, waiting for the next optimization period, and repeating the above optimization process. Through the optimization method disclosed by the invention, the consumption capacity on the new energy by the microgrid and the system reliability in the fault can be effectively improved, and the economic benefit of the microgrid is increased to a certain degree.

The invention discloses a robot map establishing and storing method. The method comprises the steps that an electronic compass and a speedometer are used for achieving positioning and coordinate calculation of a robot combined with a GPS, before map data are established, the robot operates a circle around a working area along a boundary first, map boundary data are established, the mapping relation of the map data and the address of a storage unit is calculated, then the robot operates in the area, and then internal map data are established. The format of the map data is {X coordinate, Y coordinate and map grid attributes}, and in order to facilitate data storage, the data are mapped into storage space according to a certain rule.

The invention discloses a co-prime array wave arriving direction estimation method based on virtual array covariance matrix sparse reconstruction. In the prior art, a degree of freedom is limited by a number of physical antenna array elements. By using the method, the above problem is solved. The method comprises the following steps of (1) configuring a receiving end antenna according to a co-prime array structure; (2) using a co-prime array to receive a signal and carrying out modeling; (3) calculating an equivalent virtual signal corresponding to a co-prime array receiving signal; (4) constructing a virtual array covariance matrix; (5) designing a virtual array covariance matrix sparse reconstruction optimization problem and solving; and (6) through peak value search, acquiring a wave arriving direction estimation result. In the invention, an advantage that the co-prime array can increase degree of freedom performance is fully used; in a virtual domain, a covariance matrix sparse reconstruction method is introduced so as to realize wave arriving direction estimation so that increase of a degree of freedom is realized; and the method can be used for passive positioning and target detection.

The invention provides an automatic Chinese text knowledge graph construction method. When the automatic Chinese text knowledge graph construction method is employed more frequently, text libraries, relational databases and entity libraries related to various fields are enriched gradually, so that better knowledge graph construction effect is achieved.

The invention relates to the technical field of intelligent semantic maps, more particularly to a point cloud semantic map construction method based on deep learning and a laser radar. The method comprises: step one, constructing a deep convolutional neural network; step two, carrying out laser radar point cloud preprocessing; step three, training a deep convolutional neural network model; step four, inputting a laser radar point cloud into the deep convolutional neural network model to obtain a tag of each point in the laser radar point cloud being one including a semantic annotation; step five, carrying out real-time point cloud map construction by using the laser radar point cloud including the semantic annotation so as to obtain a point cloud semantic map; and step six, after construction of the point cloud semantic map, carrying out global optimization and correction on the semantic information in the point cloud map by using voting based on a sliding window.

The invention discloses a power distribution network operation aid decision analysis system and an application method thereof. The system comprises a data layer used for classifying and storing acquired external data; the platform layer is used for classifying the data stored in the data layer and building an operation module according to the type; the application layer is used for classifying thestored data according to the operation modules and the data layer built by the platform layer; risk analysis is carried out on the power distribution network and an optimization scheme is provided, the display module is also used for displaying result information of each operation module; the difference characteristic of the urban power distribution network is fully considered from the overall architecture design to the specific service function design, the power distribution network is directly operated, maintained and overhauled, corresponding measures are put forward in a targeted mode forintelligent auxiliary decision analysis of the power distribution network, and the probability of power distribution network faults and risks is reduced.

The invention relates to a three-dimensional printing method and device for tissue / organ chip integrated manufacturing. The three-dimensional printing method comprises the following steps: (1), designing the three-dimensional structural drawing of a three-dimensional chip, and converting the three-dimensional structural drawing into a slice layer graphic file format; (2), starting a three-dimensional printing device, and absorbing printing ink into all spraying heads; leading in slice layer graphic files; (3),respectively printing a main body material printing ink, a sacrificial material printing ink and different cell printing ink into pre-designed positions of a bottom plate system through the three-dimensional printing device; (4), repeating the step (3) and accomplish printing of a three-dimensional chip structure layer by layer and in an accumulating manner until the printing to a slice layer graphic file is finished; (5), heating or refrigerating the three-dimensional chip integrally printed, so as to enable a channel sacrificial material to be changed into a sol state; (6), using a pipette to absorb the channel sacrificial material in the sol state, removing the channel sacrificial material, and forming an integrated three-dimensional chip structure; (7), carrying out crosslinking on the cell printing ink material not molten, and carrying out culture medium perfusion.

The invention provides a parking lot map construction method and system, a mobile terminal and a storage medium. The method comprises the following steps of: when any vehicle is in a map constructionmode, obtaining a motion posture and a surrounding image of the vehicle and extracting landmark information; generating a landmark map and a vehicle running track according to the motion posture of the vehicle and the landmark information on the basis of an SLAM algorithm; generating a raster map according to the vehicle running track and a detected runnable area; and when the vehicle runs in different areas of a parking lot, cyclically carrying out map construction so as to form a local or global parking lot map. According to the method and system, the mobile terminal and the storage medium,an effective way is provided for constructing parking lot maps.

The invention relates to an underground high-precision navigation map establishment system and an establishment method. On the basis of the system comprising an underground geographic information system, an intrinsically safe modeling device and each intrinsically safe ultra wide band (UWB) anchor node which is set in each underground tunnel, the establishment method is further designed and introduced. According to the whole design, an underground high-precision navigation map can be rapidly established, environment model functions can be dynamically updated, a modeling result is input into the underground geographic information system, and a multilayer map model capable of providing auxiliary positioning and route planning for automatic movement of vehicles underground is established.

The invention provides an integrated avionics system modeling and simulation platform based on MDA. The integrated avionics system modeling and simulation platform comprises an integrated development framework, a basic pixel module assembly, an avionics system pixel module assembly, a semantic model assembly, an attribute dynamic mapping assembly, a class code generation assembly, an operation control logic assembly, an integrated avionics system universal framework and a man-machine interface framework.

The invention discloses a small molecule drug virtual screening method based on deep migration learning and application thereof. A source domain is used as an input to be trained, converged and derived to obtain a weight matrix; a target domain is input into an improvement tool to serve as the initialization weight of the target domain; fine adjustment, training and convergence are conducted on the initialization weight and data in the target domain sequentially; a biological activity value of interaction of a lead compound and a drug target in the target domain is predicted, a target domain molecular fingerprint and a predicted value are obtained, and an evaluation index root mean square error and a correlation coefficient of a predicted result are output; the target domain is subjected to fine adjustment by repeating above steps, and the weight matrix of the source domain helps the target domain build a model. According to the small molecule drug virtual screening method and the application thereof, the effective virtual screening model can still be obtained under the condition that the information of a known active ligand sample is insufficient, and does not need to rely on a large number of data samples.

The invention provides a method for constructing an ontology base in mobile application, which comprises the following steps of: respectively carrying out matching on titles and introduction texts in mobile application in a database in a pre-generated concept tag set and a pre-generated attribute tag set and distributing weight values to matched concept tags and attribute tags; according to the concept tags of which the weight values are sorted from high to low, acquiring a concept tag path from a pre-generated concept tag tree; according to the concept tags in the concept tag path, inquiring an incidence relation of the pre-generated concept tags and the pre-generated attribute tags so as to obtain the attribute tags; and labeling the mobile application by utilizing the acquired concept tag path and the related attribute tags. The invention also provides a system for constructing the ontology base in mobile application. According to the technical scheme provided by the invention, the concept tags and the attribute tags can be automatically and efficiently labeled for the mobile application.

The invention provides a multi-dimensional ecological system remediation method. The remediation method comprises the steps of: treating multi-dimensional ecological water quality, controlling internal contamination and controlling external contamination, wherein the step of treating the multi-dimensional ecological water quality is mainly for constructing a multi-dimensional ecological system in a water body; the step of controlling the internal contamination is mainly for eliminating contamination caused by release of nutritive salts from bottom mud of a lake body and performing dredging and bottom mud remediation improvement on an artificial lake, an original lake body or river which is seriously contaminated; and by the step of controlling the external contamination, an external water body entering the lake body mainly includes rainwater and a part of life non-drinking water so that the water quality of water bodies entering the lake can not generate a destructive influence on a lake body ecological system and a water quality effect. The remediation method has the beneficial effects that from the angle of internal contamination and external contamination influencing water body quality, a general survey of the whole process from a water source to completion of a waterscape function of the water body is combined with all advantageous measures for maintaining the water body quality, so that the water body quality effect is all-around ensured and the multi-dimensional remediation is realized.

The invention relates to a biological antenna model-based multi-robot underwater target searching method and device. After an underwater detection ship carrying multiple underwater robots reaches a target searching area, all the underwater robots are driven to move by biological antenna models and send detected environmental information data to the underwater detection ship; according to the environmental information data, the underwater detection ship updates a raster map in real time and broadcasts to all the underwater robots; when one certain underwater robot finds a target, information is broadcast to the other underwater robots and the underwater detection ship; the underwater detection ship grabs the target by a mechanical arm after arriving the position of the target, and the other underwater robots board on the underwater detection ship after moving to the position of the target. The invention provides the method and the device which have the advantages that the robots are driven to move by the biological antenna models so as to complete a target searching task by the multiple robots in an unknown environment, and the target searching efficiency of the underwater robots can be greatly improved.

The invention discloses a medical knowledge graph construction method which can make full use of a multi-network knowledge base to dynamically construct a knowledge graph and is good in integrity andhigh in accuracy. The medical knowledge graph construction method comprises the following steps: (10) medical text data acquisition: crawling medical text data including disease description, symptom description, questions and answers and comments in a plurality of data sources through a web crawler technology; (20) obtaining a medical knowledge graph: extracting medical entities and relationshipsbetween the medical entities from the medical text data through a dictionary and rule method to obtain the medical knowledge graph comprising a medical entity graph and a medical entity relationship graph; (30) knowledge graph storage: storing the medical knowledge graph in a Neo4j graph database; and (40) entity fusion: performing entity fusion by adopting an integrated entity alignment method.

The invention discloses a hypervideo construction method based on rough drawings, which belongs to the technical field of computer application. The method of the invention comprises the following steps: establishing the scene rough drawings of each target video, and establishing the recessive semantic association relationship between the rough drawings and the target video; 2) searching the target video resources according to the established scene rough drawings, respectively adding noted rough drawings into each target video resource, and establishing the dominant semantic association relationship between different video resources; and 3) setting the behavior attribute of the noted rough drawings, establishing the association relationship between the target video expressed by the current rough drawing and other target video sources, and obtaining the hypervideo of the target video resources. Compared with the prior art, the invention has the advantages that the constructed hypervideo conforms to the cognizancing habits of people, can perfectly express the complicated semantic association between the videos, and simultaneously breaks through the traditional single linear passive viewing method.

The invention discloses a velocity model constructing and calculating method for ground monitoring microseism location, wherein the model is constructed based on a geophysical microseism linearization location method and an anisotropic average velocity model, in order to achieve construction and optimization solution of the three-dimensional anisotropic average velocity model, in comparison with the traditional laminated velocity model, the velocity model is closer to the actual simulation formation velocity so as to achieve a simple and reasonable calculating process, at the same time, through the velocity model constructing and calculating method, the laminated velocity model error caused due to ray tracing differentiation is also prevented; through the method, a residual vector between observation time and calculated travel-time difference of an appointed detector within a work area range and the optimization solution model are constructed, the least square solution of the velocity model can be obtained by iterating the model and inverted into the optimal velocity model, and crack events can be precisely located through the velocity model.

The invention discloses a method for preparing electrically conductive hydrogel. The method includes steps of (1), uniformly dispersing hydrophilic monomers or hydrophilic polymers in hydrochloric acid aqueous solution to obtain stable dispersion liquid, adding electrically conductive monomers and metal alkoxide into the dispersion liquid and uniformly stirring the electrically conductive monomers, the metal alkoxide and the dispersion liquid; (2), adding initiators and catalysts into mixed liquid obtained at the step (1), uniformly mixing the initiators, the catalysts and the mixed liquid with one another and then carrying out reaction at the temperature ranging from -20 DEG C to 50 DEG C for 24-72 hours. The electrically conductive hydrogel can be obtained after the reaction is completely carried out. The mass of the electrically conductive monomers is 1-20% of the mass of the hydrochloric acid aqueous solution, is 20-100% of the mass of the metal alkoxide and is 0.2-85% of the massof the hydrophilic monomers or the hydrophilic polymers. The mass of the initiators is 0.5-5% of the mass of the electrically conductive monomers, and the mass of the catalysts is 0.01-5% of the massof the hydrophilic monomers. Compared with existing methods, the method has the advantages that the electrically conductive hydrogel prepared by the aid of the method is excellent in mechanical property and electrochemical performance and can be prepared at one step, and the method includes simple processes for preparing the electrically conductive hydrogel and is low in raw material usage.

The invention relates to a multi-level converter employing a multi-winding intermediate-high frequency transformer. The multi-level converter comprises a voltage current measuring unit, wherein the voltage current measuring unit is connected between two ends of a power grid in parallel; the voltage current measuring unit sends a measured voltage current signal of the power grid to a control unit; a current signal output by the power grid is filtered and current-limited by an inducer and then is input in a H-bridge rectifier; the H-bridge rectifier converts the input alternating current into the direct current with stable amplitude according to the control signal sent by the control unit; the output end of the H-bridge rectifier is connected with a plurality of inverters; the output ends of the inverters are connected the input end of the multi-winding intermediate-high frequency transformer; the output end of the multi-winding intermediate-high frequency transformer is connected with a load converter through a plurality of rectifiers; a voltage current measuring module, all inverters and all rectifiers perform information interaction with the control unit; and the load converter supplies power to the load under the control of the control unit. The cost of the multi-level converter in the invention is saved; the size and the weight of the multi-level converter are reduced; and the multi-level converter can be widely applied in an electrical system and electric traction.

The invention discloses a film with a self-cleaning property and a preparation method thereof. The method comprises the following steps: selecting a high-molecular polymer as a substrate; using a solvent compatible with high-molecular polymer for dissolving the high-molecular polymer; taking a nanometer filler as a hydrophobic group introducing source; forming a dispersing solution with the solvent by adopting an ultrasonic auxiliary physical blending method; adding cosolvent and additive; and lastly, adopting a low surface energy reagent for modifying and forming a super-hydrophobic surface.According to the invention, the preparation method is simple in process and low in cost; the operation process is controllable; the preparation method is simple and convenient; the maximal contact angle between the film with the self-cleaning property and water reaches up to 160 degrees and the minimal rolling angle is at 2 degrees; the film has a self-cleaning function, is high in water flux, hasexcellent mechanical properties and durability and can be applied to the dehumidification or seawater desalination.

The invention provides an energy source local area network energy storage system automatic demand response method based on a block chain technology. The method comprises the following steps of obtaining state information of the energy storage system connected into an energy source local area network; building an energy storage system charging and discharging model; building an electric automobileschedulable capability comprehensive evaluation system; using a real-time electricity price mechanism; setting charging and discharging electricity price orienting electric automobile users; finally developing a decentered automatic demand response criterion on the basis of the block chain technology; building an intelligent contract between two trading parties. By aiming at the energy source local area networks comprising an electric automobile cluster, a wind light power generation system and an energy storage battery, a distributive node network for charging and discharging by the user is built by the invention for pursuing point-to-point direct trading of mass users; reasonable configuration of inside resources of the system is realized; the autonomous supply and demand balance state is achieved.

The invention relates to an accurate simulation device and method of a radar target distance for a linear frequency modulation signal. The accurate simulation device is composed of a down conversion unit, an intermediate-frequency amplification unit and a delay unit. The down conversion unit is formed by a millimeter-wave down converter module and is used for converting a received millimeter-waveradar signal into an intermediate-frequency signal for post-stage processing. The intermediate-frequency amplification unit consists of a PXI bus programmable amplifier module and is used for amplifying an intermediate frequency signal amplitude after down conversion and carrying out adjustment based on different gain needs. The delay unit is composed of a baseband generating module, an I / Q modulator, and a power control module and is used for modulating a baseband signal to a carrier signal and carrying out amplitude control on the modulated signal. The baseband signal is used as the modulation signal, the received radar linear frequency modulation signal is used as the carrier signal for frequency modulation, and the frequency information set by the baseband signal reflects the distanceof the target. The method is implemented based on the idea of frequency modulation; and simulation of the radar target distance is realized.

The invention relates to a method for creating Paramics road network based on XML (Extensive Markup Language) road network data. The method comprises the following steps of: S1, analyzing the XML road network data, generating a road section link table, and traversing the road section link table to obtain a starting point coordinate, an ending point coordinate and corresponding attribute values of each road section; S2, creating a road network node link table, adopting the starting point coordinate and the ending point coordinate of each road section as node elements, and storing the node elements in the road network node link table according to serial numbers; S3, searching the related road sections of various node elements in the road network node link table in the road section link table, and generating a new road section link table according to the starting point coordinate and the ending point coordinate of the searched relevant road sections; S4, respectively generating nodes files and links files according to the road network node link table and the new road section link table; S5, using the generated nodes files and the links files to generate a road network. According to the method, large-area complex road network is created while disturbance of road network topology caused by reading errors is prevented.

The present invention relates to the field of genetic engineering and molecular biology, and provides a splice and a sequencing library construction method. The splice is complementary double-stranded nucleic acid molecule, wherein one strand of the double-stranded nucleic acid molecule contains at least one uracil nucleotide, a P-S bond or I, and the P-S bond is a phosphorothioate bond. The sequencing library construction method comprises: linking the splice and a fragmentation product, cutting the U, the P-S bond or the I on the splice so as to remove small nucleic acid fragments, and then using polymerase to carry out an extension reaction to obtain an extension product. With the splice and the sequencing library construction method, doping of the splice self-linking product in the constructed sequencing library can be avoided.

The invention provides an outdoor three-dimensional synchronous positioning and mapping method based on a laser radar. The outdoor three-dimensional synchronous positioning and mapping method comprises the following steps: acquiring complete point cloud data of a surrounding environment by using the laser radar; preprocessing the point cloud data, removing outliers, performing ground segmentation, and extracting a ground point set; extracting edge feature points and plane feature points from the ground point set and the non-ground point set respectively; by using the extracted edge feature points and plane feature points, through point-to-sideline and point-to-plane scanning matching, establishing correlation of point cloud data between two adjacent scans, and completing motion estimation; matching the extracted edge feature points and plane feature points to a surrounding point cloud picture, and further optimizing pose transformation; the accumulated drift error is reduced by using a loopback detection algorithm, and pose estimation and map construction are realized. According to the method, mapping with higher accuracy and higher robustness can be realized.

The invention relates to a transmission method of an orthogonal extension block, a receiving method thereof and a system thereof. The transmission method comprises the following steps of: confirming a transmission parameter according to a service demand and an usable transmission resource; building the subsidiary channels of physical layers according to the transmission parameter; setting the priority levels of the subsidiary channels of the each physical layer; distributing the jump patterns of extended codes to the subsidiary channels of the each physical layer; modulating the each route of business by means of the data blocks according to the transmission parameter to obtain modulation data blocks; distributing the subsidiary channels of the each physical layer to the each route of the business; extending the modulation data blocks by means of the blocks according to the transmission parameter and the jump patterns to obtain extension data blocks; post processing the extension data blocks by means of base bands; and transmitting the processed extension data blocks. The method and the system can support the building and the flexible configuration of the subsidiary channels of the each physical layer, the multi-priority transmission of multi service, the flexible distribution and dispatching of the resources and multi-cell network deployment, and also can realize an intersymbol diversity effect.

The invention provides a method, device and system for establishing the tree topology of a wireless communication multi-hop network device and relates to the field of wireless communication. By the adoption of the method, device and system for establishing the tree topology of the wireless communication multi-hop network device, automatic identification of the topological structure of a wireless node device in a coverage area is achieved. The method comprises the steps that when at least one node to have access to the wireless communication multi-hop network selects an accessible node in the wireless communication multi-hop network and uses the accessible node as a father node, the accessible node and the nodes to have access to the wireless communication multi-hop network conduct hand shaking; the accessible node and the nodes to have access to the wireless communication multi-hop network conduct link maintaining information interaction, and the accessible node receives link maintaining information and monitoring information which are reported by the nodes to have access to the wireless communication multi-hop network; according to the monitoring information, the accessible node selects one or more nodes from the nodes which are about to have access to the wireless communication multi-hop network and select the accessible node as the father node, the selected nodes to have access to the wireless communication multi-hop network serve as next-level sub-nodes of the accessible node, and then a judgment result of access to the topology is generated. The method, device and system are suitable for the wireless communication multi-hop network, and the topology structure in the wireless communication multi-hop network is established.