149results about How to "Realization space" patented technology

The invention relates to the technical field of comprehensive situation monitoring and commanding. The invention particularly relates to a video fusion and video linkage method based on a three-dimensional scene and electronic equipment. The method comprises the steps of three-dimensional modeling of a monitoring area, planning and deployment of a scene and a target camera, enhancement, jitter elimination and correction processing of a scene video, recognition and analysis of a scene video, three-dimensional matching and fusion of the scene video and a thermodynamic diagram thereof and a hotspot target, three-dimensional matching and linkage of the target camera, monitoring and correction of pose offset of the scene camera and the like. Accurate space matching and fusion display of a scenecamera video image, a thermodynamic diagram of the scene camera video image, a hotspot target and a scene three-dimensional model are realized; the target camera is intelligently dispatched to obtaina fine image of the hotspot target; accurate space matching and fusion display of other situation awareness information, equipment facility information and task management and control information anda scene three-dimensional model are realized; full-dimensional situation fusion monitoring based on a three-dimensional scene and intelligent space positioning analysis and associated information fusion display based on hotspot inspection, planned tasks and detection alarm are achieved, and the intelligent level and application efficiency of a comprehensive situation monitoring command system areremarkably improved.

The invention relates to the underwater robot, comprising a tapering body, parallel middle body, electric control body, horizontal sliding fin, vertical stable fin, and all kinds of drive devices, with the vertical stable fin fixed to the tapering body, floating device fixed to the tapering and parallel middle body, radio digital transmission station installed on the fixed bracket of the floating adjusting device, horizontal sliding fin fixed to the outside and parallel middle part, pitch angle adjustment device fixed to the front and middle part, electric control part connected wit the horizontal rolling angle adjustment device and elevation angle adjusting device, motor driver installed on the fixed rack, connected with the synchronic motor, front sensor installed inside it, and the emergency treatment device fixed on the bracket with the floating adjustment device. It can effectively improve the space, time density of the ocean, with low cost, and wide application.

The invention discloses an in-situ integrated multi-spectrum measurement system and method. The system comprises an in-situ integrated multi-spectrum induction excitation unit, at least one light source and excitation light focusing unit, at least three spectrum signal detection units, at least one annular track and radial radiation arms matched with the annular track, wherein each arm slides along the track around the corresponding center axle of the annular track, the total number of the radial radiation arms is at least four. The in-situ integrated multi-spectrum induction excitation unit is a surface plasma resonance coupling element and arranged in the center area of the first annular track. The intersecting line of a non-sample contact surface of a surface plasma resonance sensing film and a central symmetrical surface of a surface plasma resonance coupling prism is coincident with the center axle of the first annular track. The light source, the excitation light focusing unit, and the spectrum signal detection units are respectively fixed on the respective radial radiation arms.

The invention discloses an optical intelligent antenna for rapidly moving a free space optical communication system, aiming to mainly solve the problems of capturing, aligning and tracking a communication target in the conventional free space optical communication system which is moved rapidly point-to-point. The optical intelligent antenna comprises a semi-spherical or spherical bottom plate (1), wherein laser receiving/sending arrays are arranged on the semi-spherical or spherical bottom plate (1); each laser receiving array (5) and each laser sending array (4) are arranged fully on the whole spherical or semi-spherical bottom plate every row to form the laser receiving/sending arrays with a honeycomb structure; and each laser receiving/sending array corresponds to a group of internal structure units which are embedded in a cavity body of the spherical or semi-spherical bottom plate so as to correspondingly adjust optical wave beams through a device in the structure units under the condition of space division time multiplexing and angle multiplexing. The optical intelligent antenna increases the communication coverage area, can automatically control the optical wave beams of a transmitting unit rapidly and in real time according to the movement of the communication target, and can be used in the field of wireless laser communication.

The invention discloses a construction method of adaptable earth system spatial grid (ESSG). The construction method comprises the following steps of: 1) selecting, positioning and orientating a basic sphere; 2) dividing a sphere degenerated-octree grid (SDOG); 3) carrying out SDOG radial subdivision (SDOG-R) and SDOG surface subdivision (SDOG-S); 4) encoding the SDOG, the SDOG-R and the SDOG-S; and 5) carrying out uniform space encoding on the SDOG, the SDOG-R and the SDOG-S. The adaptable earth system spatial grid is formed by the SDOG, the SDOG-R, the SDOG-S, and the uniform space encoding. The adaptable earth system spatial grid disclosed by the invention can provide a novel and uniform global space framework for scientific researches of an earth system so as to meet the requirements of spatial modeling of the earth system, data interoperability of the earth system, data organization and search services and the like.

The invention provides a bullet curtain display method, a recording medium, electronic equipment, and an information processing system. The bullet curtain display method comprises the following steps:information receipt, that is, receiving bullet curtain information and target designation information used for designating a particular target from a user; target detection, that is, determining a display position of the particular target in a currently displayed video picture based on the target designation information; and bullet curtain display, that is, displaying the bullet curtain information in a position associated with the display position of the particular target in the video picture based on an identification result. The bullet curtain display method, the recording medium, the electronic equipment and the information processing system provided by the invention have the advantages that a bullet curtain can be associated with a space, so that new audio and visual experience can be provided to the user.

The invention provides a scalariform two-dimensional wide-band observation system design method improving the signal-to-noise ratio of a seismic prospecting imaging section. The method comprises the following steps: applying known seismic data and well data; investigating the apparent velocities and wave lengths of interference waves on the side face of an exploratory area; determining the minimum and maximum widths, the maximum receiving line interval and the receiving line number of an observation system as well as the element intervals of a geophone array; symmetrically combining geophones into basic units in the horizontal and vertical directions by taking receiving points as centers, wherein the transverse array lengths are equal to receiving line intervals, the vertical and horizontal array lengths are equal to track pitches, and the basic units are combined in a matching way in the vertical and horizontal directions according to the geophones. With adoption of the method, spatial continuous noise suppressing is realized, so that the effect that the receiving lines of the observation system unite to suppress noise horizontally is really realized, simultaneously the deficiency in spatial sampling is made up to, avoid alias noise, and improvement of the quality of a source material and the signal-to-noise ratio of the imaging section is facilitated.

The invention discloses a subway group abnormal behavior detection method based on station two-dimensional crowd density analysis. The method comprises the following steps: firstly, preprocessing original video data; then, using a full convolution U-Net neural network to extract target features; tracking the target feature points by using a pyramid Lucas-Kanade optical flow method and converting the target feature points into a station two-dimensional space coordinate system; and finally, training and learning the extracted group motion feature information by using a support vector machine anda random forest to complete the detection of group abnormal behaviors. The detection method provided by the invention improves the abnormal detection speed and recognition rate, ensures the applicability in different scenes, and reduces the false detection rate and omission ratio of group abnormal behavior recognition.

A system energy efficiency controller in a smart energy network, a control method thereof, and a control method for a terminal device. The system energy efficiency controller includes a control decision module, a storage module, a power clock module, an internal communication module, and an external communication module. The storage module is connected to the control decision module, and stores temporary and permanent information data in the operation process of the storage system. The power clock module provides an internal clock, achieving timing synchronization of processors on the controller. The internal communication module provides two-way communication between the system energy efficiency controller and control implementation units of multiple terminal devices. The external communication module provides two-way communication between the system energy efficiency controller and a local optimizer. The multiple terminal devices include at least one of the terminal devices for the stages of energy production, storage, application and regeneration.

The invention discloses an image repairing method based on rotation and scale change and relates to the field of computer image processing. The method includes the steps that images are divided into a damage region and an information source region, the images are sampled as a five-level Gaussian pyramid model, and iteration processing is conducted; rotation and scale space expansion is achieved through an expanded energy function; the images of all layers are searched for optimal matching blocks from the image of the top layer of a pyramid; the minimum mean square errors between the current optimal matching blocks and effective pixel parts in target blocks are calculated, the optimal matching blocks are updated, and search results are optimized; after the optimal matching blocks of all the target blocks are found, information filling is conducted. Due to the fact that rotation and scale parameters are introduced for space expansion and energy optimization, the method can be applied for image repair, and for other algorithms needing the block matching process, the method can be used for achieving corresponding space expansion and optimizing search results.

The invention discloses a one picture mode-based coal mine management system. The system is based on a computer network and a coal mine excavation engineering plan, and comprises a data source layer,a collaborative update service layer, a data storage layer and a business application layer, wherein the data source layer includes internal data in corresponding databases in the data storage layer through the collaborative update layer; the business application layer associates dispersed business application systems to form a comprehensive application system; and the data storage layer comprisesthe business database, the space database and real-time data. According to the one picture mode-based coal mine management system, a normative standard system is established; and data integrated management, temporal space data management and space data services are realized.

An embodiment of the invention provides a data transmission method and a data transmission device. The data transmission method comprises the steps of: modulating information bits to be transmitted according to a lower-order constellation diagram to generate 4m lower-order modulation symbols; multiplying a precoding matrix Q with column vectors formed by the 4m lower-order modulation symbols to obtain 4m higher-order modulation symbols to be transmitted corresponding to a higher-order constellation diagram; and transmitting the 4m higher-order modulation symbols to be transmitted on different corresponding carriers of two antennas separately. The higher-order modulation symbols to be transmitted contain a part of or all of the information bits to be transmitted, and therefore, the same signal can be simultaneously transmitted on different carriers of a plurality of antennas, thereby achieving frequency diversity and space diversity, and accordingly improving the transmission and receiving performance of data transmission.

This invention discloses a combined-screen-based multi-pitching angle suspended panoramic space 3D display device comprising: a combined deflective diffusing screen, a high speed projector, an image control module, a rotation detecting module, a motor and a drive mechanism. The high speed projector projects the composite images of the 3D objects of different pitching angles and horizontal 360° FOV to different areas of the combined deflective diffusing screen. Each area of the combined deflective diffusing screen controls the deflecting angle and the scattering angle in the vertical direction and the diffusing angle in the horizontal direction, ensuring that the eyes of the surrounding viewers of different height levels can see the 3D images corresponding to their respective positions, representing the 3D scene suspended over the combined deflective diffusing screen. The multi-pitching angle suspended panoramic space 3D display device provided in this invention allows watching by multiple persons at multiple pitching angles and horizontal 360° FOV in naked eyes, realizing space occlusion, allows exploration and interaction.

The invention discloses an array-type cell dynamic culturing and regionalization processing micro-fluidic chip which includes, in a manner of being successively encapsulated from top to bottom, a flowing layer, a control layer, a thin film layer and a glass layer. The flowing layer is composed of an array-type cell culture zone, a buffer structure zone, a cell inoculation micro-pipe, a left liquidfeeding micro-pipe, a central liquid feeding micro-pipe and a right liquid feeding micro-pipe; the array-type cell culture zone is provided with a plurality of array-type U-shaped culture grooves anda plurality of U-shaped micro-columns are disposed in the buffer structure zone; the control layer is composed of a plurality of micro-pumps in a manner that an end-sealed structure is composed of one inlet and a plurality of micro-cavities in series connection. The micro-fluidic chip is used for carrying out fluid shear stress dynamic loading and regionalization processing of more than two biochemical factors/medicines, and researching interaction between processed cells and non-processed cells. The micro-fluidic chip breaks through conventional cell culture and treatment modes, and has beneficial to simulation of a fluid micro-environment and a biochemical micro-environment in cells in tissue under different physiological or pathological conditions.

The object of the invention is an elevator arrangement, which comprises at least two elevator cars that are connected to each other with suspension ropes or corresponding and are configured to move simultaneously with each other and reciprocally in an elevator hoistway, and a hoisting machine provided with at least one traction sheave or corresponding. The arrangement comprises at least one compensation means for compensating positioning inaccuracies caused by loading of the elevator cars.

The invention discloses a composition and preparation method of scintillation glass used for preparation of a scintillation fiber-optic faceplate. The composition comprises, by weight, 10 to 20% of SiO2, 0 to 10% of Al2O3, 20 to 45% of B2O3, 30 to 60% of La2O3, 0 to 2% of Nb2O5, 5 to 25% of Gd2O3, 0 to 4% of Lu2O3, 0 to 5% of BaO, 0 to 2% of SnO and 0 to 5% of ZnO. The invention also provides the preparation method for the scintillation glass used for preparation of the scintillation fiber-optic faceplate. The method comprises the following steps: (1) weighing the raw materials according to the above-mentioned weight percentages, mixing all the raw materials, and grinding the raw materials until the raw materials are uniform so as to obtain a batch; (2) pouring the batch into a crucible and fusing the batch so as to prepare a glass melt; (3) casting the glass melt on a preheated heat-resistant steel die, maintaining the temperature of the die in a muffle furnace and then carrying out cooling and annealing; and (4) carrying out cutting, surface grinding and polishing so as to obtain the scintillation glass. The prepared scintillation glass has the advantages of good chemical stability, high scintillation light luminescence efficiency and capacity of realizing fiber drawing.

The invention relates to a visual and auditory brain-computer interface spelling system and method based on space and semanteme consistency. In the spelling system, a visual and auditory stimulation device generates visual and auditory stimulation about target characters to a testee by adopting a visual and auditory experimental paradigm based on space and semanteme consistency; an electroencephalogram signal acquisition device acquires electroencephalogram signals of a testee; a computer performs data preprocessing on the electroencephalogram signal data to obtain preprocessed electroencephalogram signal data; and the computer performs feature extraction and classification on the preprocessed electroencephalogram signal data to obtain a classification result, and sends the classificationresult to an output display device. Spatial features and semantic features of visual stimulation and auditory stimulation are combined, spatial and semantic consistency of visual and auditory bimodalstimulation is achieved, compared with single visual stimulation or auditory stimulation, larger-amplitude ERPs can be induced, and therefore the performance of the brain-computer interface is improved.

The invention discloses a nonlinear metasurface based four-wave mixing holographic multiplexing method, and belongs to the micro nano holographic field. The method comprises that a metasurface is composed of an array with nanometer rectangular hole structures in different geometric sizes; the geometric sizes of the nanometer rectangular hole structures are changed, so that the nonlinear metasurface can randomly regulates the amplitude and phase of an output nonlinear frequency signal; complex amplitude distribution of the nonlinear light field output in different sizes can be obtained by fullwave vector calculation; an amplitude type hologram is calculated based on an optimized GS algorithm, and a bit coding method is used to code the hologram of the rectangular hole structure; rectangular hole structure distribution is determined by coding, and the corresponding nonlinear metasurface structure array is generated; and two beams of femtosecond pulses in different frequency are input torealize nonlinear holographic space and frequency multiplexing of the same nonlinear metasurface structure array. The method can be applied to the fields including signal processing, optical storage,high-dimensional holographic anti-counterfeiting and optical encryption.

The invention relates to a soil nutrient classification map generation method based on 3S technology and a precision evaluation method thereof, which solve the defect that it is difficult to realize the soil nutrient classification in a large space range compared with the prior art. The soil nutrient classification map generation method comprises the following steps: generating a spatial raster map of soil nutrient data; setting a classification map of soil nutrients; carrying out cultivated land extraction; generating a plot-scale soil nutrient classification map. The invention is based on 3Stechnology. Based on the field sampling points and RS extracted from cultivated land by GPS, the spatial distribution characteristics of soil nutrients at the plot scale are analyzed by using GIS spatial analysis and geostatistics, and the soil nutrient classification, spatial mapping and precision evaluation at the plot scale are realized in a large spatial range.

The invention discloses a segmented holding claw vehicle clamp for an engine end cover with a small housing hole. The segmented holding claw vehicle clamp comprises a hollow base, wherein a pull rod is arranged inside the hollow base in a matching manner; the front end of the pull rod is connected to a four-head lever; a transition disc is arranged in front of the four-head lever and is fixed on the base; the transition disc and the base form the movement space of the four-head lever; the four sides of the four-head lever are connected to pull hooks respectively through articulated shafts; the pull hooks are movably fixed on the corresponding periphery of the transition disc through waist-shaped holes formed in the middle positions of the pull hooks; a positioning disc is arranged in front of the transition disc; pull hook grooves are formed in positions, corresponding to the pull hooks, of the positioning disc; and the positioning disc is provided with movable disassembling compressing plates matched with the pull hooks. The segmented holding claw vehicle clamp is used for solving the problems in a turning process that the clamp is low in clamping efficiency, and as the improper clamping results in unevenness and tilting of workpieces, the sizes of products are unqualified. The segmented holding claw vehicle clamp ensures realization of accurate clamping of the workpieces and improves clamping efficiency and machining percent of pass.