305 results about "Position analysis" patented technology

A system and method for determining a speaker's position and a generating a display showing the position of the speaker. In one embodiment, the system comprises a first speakerphone system and a second speakerphone system communicatively coupled to send and receive data. The speakerphone system comprises a display, an input device, a microphone array, a speaker, and a position processing module. The position processing module is coupled to receive acoustic signals from the microphone array. The position processing module uses these acoustic signals to determine a position of the speaker. The position information is then sent to other speakerphone system for presentation on the display. In one embodiment, the position processing module comprises an auto-detection module, a position analysis module, a tracking module and an identity matching module for the detection of sound, the determination of position and transmission of position information over the network. The position processing module comprises a position display module and a position translation module for receiving position information from the network and generating a user interface for display. The present invention also includes a method for determining speaker position and presenting position information.

The invention discloses an intelligent positioning method of mine microquake sources, which is a microquake resource intelligent positioning system which comprehensively considers various influencing factors and targets, and integrates with sensors distribution-noise wave filtration-microquake source positioning analysis-three-dimensional display in to a whole. The method realizes the real-time analysis and the forecast of the incubation, the development and the occurrence of mine underground geological disaster through a self-developed procedure, solves the defects that the traditional sensors distribution method is not systematic, the noise wave filtration is incomplete, the microquake wave speed model is not exact and the positioning method is easily diffused, and has the characteristics of friendly operation interface, good noise wave filtration performance, exact, convenient and fast microquake source positioning analysis, visual and pictorial result display, and wide application range. The method has wide application value in the fields of mineral engineering, water conservancy and electric power engineering, petroleum engineering, soil engineering and underground engineering and the like.

A method and system for detecting operator alertness of an operator of a vehicle or machine comprises an image processor and an analyzer. The image processor determines whether at least one eye of an operator is visible and determines whether the operator is generally facing forward with respect to the vehicle. The analyzer applies at least one of position analysis and motion analysis to a three dimensional representation of an operator to determine alertness of the operator if at least one eye of operator is not visible or If the operator is generally facing forward.

The invention discloses a positioning and navigation method based on a depth camera and a laser radar device. The 2D and 3D information collected by sensors is utilized to carry out indoor environmentmodeling, position analysis and information calibration; the present scene information is collected by a user, and rapid comparison and accurate characteristic matching of the collected information with the 2D and 3D environment model information are carried out to realize indoor positioning of the user; the positioning method is accomplished through respectively establishing a data acquisition device and a data analysis platform for indoor positioning; the data acquisition device comprises the depth camera and an inertia measurement sensor, and indoor 2D and 3D information, attitude and drift angle space information acquisition of any position can be accomplished; the data analysis platform can be used for carrying out rapid storage, position analysis and information calibration of the environment model through utilizing the acquired 2D and 3D information, the positioning result acquired through analysis is fed back to the user in real time, and the indoor positioning function is realized.

The invention relates to a device and a method for implementation of man-machine information interaction based on eye motion recognition. The device comprises a camera, a distance induction instrument, a gravity induction instrument or gyroscope, a memory and a processor. The camera regularly shoots images in front of a mobile terminal within a certain range, and the distance induction instrument acquires the distance between the mobile terminal and a face when validity and startup verification parameters of the images are judged. The gyroscope acquires directions and an included angle a between the front face of the mobile terminal and a datum plane. The memory stores image data, image information and data required by image preprocessing. The processor processes data of each module including an image acquisition module, an image validity judgment module, an eye image extraction module, a pupil center position analysis module, a pupil center position sequence acquisition module, a position sequence analysis module and a motion processing module. The device and the method for implementation of man-machine information interaction based on eye motion recognition bring brand-new experience to users, and the users can freely control the mobile terminal only by moving eyeballs, so that higher humanization is realized.

The invention discloses an indoor positioning method based on three-dimensional environment model matching. Indoor environment modeling, position analysis and information calibration are carried out by three-dimensional information acquired by a sensor; a user collects current scene information and performs quick comparison and precise feature matching on the current scene information and three-dimensional environment model information to realize indoor positioning of the user. The positioning method cannot be finished until a data acquisition device and a data analysis platform for indoor positioning are respectively built. The data acquisition device comprises but not limited to an RGB-D (red, green and blue-D) sensor, an inertia measurement sensor and the like and can finish acquiring space information such as three-dimensional information, the attitude and a deflection angle at any indoor position; the data analysis platform can carry out quick storage, position analysis and information calibration on the environment model by the acquired three-dimensional information and feed back an analyzed positioning result to a user; therefore, the indoor positioning function is realized.

The invention relates to the technical field of movement positioning data analysis in a sense network environment, and discloses a movement position analysis system and method in the sense network environment for performing clustering analysis and knowledge discovery on positioning data by orienting positioning data acquired by a mobile device and combining with other additional information. The movement position analysis method in the sense network environment comprises the steps of: receiving positioning data points sent by one or more locatable devices; performing data correlation on the positioning data points and population structure characteristic data as well as user historical trajectory data; performing clustering analysis on the correlated positioning data points, aggregating users with similar characteristics into a group so as to obtain group structure characteristic data; exporting an aggregated result. According to the method, mobile users with similar characteristics can be aggregated to form a group based on the positioning data and other information, and the group information can be shown on a user terminal or a public display device in a friendly way.

The invention discloses a real-time positioning analysis method and system for a fuel gas pipeline network leakage source, wherein the method comprising the following steps: a plurality of integrated detection modules are arranged in a region to be monitored, and the region to be monitored is divided into grid sub-areas; a hypothesis that each grid sub-area in the area to be monitored has a fictitious leakage source is carried out, another hypothesis of simulated detection data of the integrated detection modules is carried out after the fictitious leakage source continuously leaks for a preset time, and a simulated leakage database is established; the integrated detection modules acquire the practical measurement data of leaked gases in real time, and the practical measurement data is transmitted to a computer monitoring terminal; similarity calculation of the practical measurement data and a plurality of simulated detection data in the simulated leakage database is carried out, when the similarity reaches the maximal value, the position and time of the hypothesis leakage source and the continuous leakage time which are corresponding to the simulated detection data are the position and time of the practical leakage source and the time of the continuous leakage time. Through the adoption of the method and the system, the position of the practical leakage source can be quickly found out.

Disclosed are a parking space recognition method and apparatus. The inventive parking space recognition system includes: a vehicle edge extraction unit for extracting a vehicle edge of a counterpart vehicle positioned adjacent to a parking space by analyzing an image acquired by a camera; a vehicle position extraction unit for extracting a vehicle position of the counterpart vehicle by analyzing ultrasonic wave data acquired by an ultrasonic sensor; a vehicle edge position analysis unit for analyzing the vehicle edge position for the extracted vehicle edge by mapping the extracted vehicle edge and the extracted vehicle position; and a parking space recognition unit for recognizing the parking space by determining the position of the counterpart vehicle on the basis of the analyzed vehicle edge position. According to the present invention, a sensor convergence type parking space recognition technology using a camera and an ultrasonic sensor in such a manner that the disadvantages of the ultrasonic sensor and the camera can be compensated with each other.

Techniques for performing position analysis on a representation of an application source code are disclosed herein. An application source code is scanned to produce a representation of the application source code, start locations within the representation are determined, corresponding stop locations within the representation are determined, and a set of data impact locations within the representation are determined. The set of data impact locations are then used in a dataflow analysis to determine a position of high control of the data within the representation.

The invention discloses a communication safety guard model for an electric power optical transmission network and a control method for said model. The communication safety guard model includes a wide area information collecting model, a communication network reliability evaluation model, a communication fault analysis specialist knowledge base, a communication risk monitoring and pre-warning model and a plurality of communication safety guard lines. By adopting the wide area information collecting model for collecting topological information, link information and alarm information of the electric power optical transmission network in real time, by adopting the communication risk monitoring and pre-warning model and a decision control model for performing communication network reliability and fault positioning analysis and generating intelligent coordination processing strategy and by employing overall resource scheduling and the communication safety guard lines for cooperatively processing and timely eliminating communication faults, service restoration is realized. The invention can solve problems of coordination processing of multiple faults of a complicated transmission network and quick restoration of service paths in a trans-region large power grid interconnection background.

The invention discloses a smart home control method and device based on user position information. The method comprises: detecting the position of a user, and acquiring position information of the user; obtaining corresponding control information according to the position information by adopting a preset position analysis algorithm; and controlling corresponding home appliances according to the control information. The method and the device solve the problems that the smart home control in the prior art cannot be intelligent enough and cannot meet the requirements of users, realize intelligence of smart home so that the smart home can provide corresponding services according to the user position information, improve the use convenience of users and meet the requirements of users.

The invention provides a digital spectrum analyzer and a method for fast positioning of measuring signals. The digital spectrum analyzer is additionally provided with an A/D (analog/digital) converter on a line on which a signal is sent from a radio-frequency circuit to a CPU (central processing unit), so that a frequency mixing signal emitted by the radio-frequency circuit is converted into a digital signal, and then frequency spectrum analysis is carried out on the converted digital signal by the CPU. Therefore, in the invention, large quantity of unnecessary simulation auxiliary appliance elements can be omitted, the complexity and the design cost of the circuit are reduced, and simultaneously, the speed of the CPU for signal processing also can be increased. In addition, by designing for the measuring signal positioning method of the digital spectrum analyzer, a user can finish positioning analysis of measured signals fast and accurately still without need of knowing the probable ranges of the frequency and the amplitude of the measuring signals in advance.

The embodiment of the invention discloses a fault positioning method and device, relates to a fault analysis positioning technology and can promote fault positioning efficiency. The fault positioningmethod comprises the steps of: acquiring service application first attribute information included in a log to which failure warning occurs; inquiring whether an abnormal log corresponding to the service application first attribute information is stored in a preset fault positioning database; if inquiring the abnormal log, extracting service application second attribute information included in theabnormal log; and according to the service application second attribute information, carrying out fault positioning on the log to which fault warning occurs. The fault positioning method and device are applicable to carry out fault positioning analysis according to the log.

The invention discloses a high pressure heater internal leakage fault diagnosis device based on acoustic emission detection, which comprises a main control unit, a signal processing unit and two acoustic emission sensors fixed on the casing of the high pressure heater; the acoustic emission sensors are used for acquiring the acoustic emission signal when the high pressure heater has internal leakage, and converts the acoustic emission signal to an electrical signal and transmits the electrical signal to the main control unit through the signal processing unit; the main control unit is used for performing spectrum analysis and leakage point positioning analysis towards the electrical signal, and determines the leakage point according to the time difference generated when the leakage sound is transmitted to the two acoustic sensors. The high pressure heater internal leakage fault diagnosis device based on acoustic emission detection has simple and compact structure, simple operation, good use effect and safety.

The invention discloses a wing design method considering pneumatic and structural multi-type design variables, which comprises the following steps of: firstly, constructing a parameterized shape by utilizing a three-dimensional category/shape function according to a shape control variable obtained in a pneumatic design process, obtaining Cartesian coordinates of a pneumatic shape point, and generating a smooth pneumatic shape curved surface on the basis of the shape point; By picking up controllable design variables in the wing structure tree, the internal structure arrangement of the wing under a given appearance is realized; By utilizing a neighborhood interpolation technology represented by RBF interpolation and taking an aerodynamic shape as a constraint, efficient follow-up matching of the structure arrangement and the shape parameters is realized; and finally completing the three-dimensional wing design under the coupling effect of the pneumatic/structural subject according to the independent or dependency relationship of different types of design variables on the model tree through a file positioning analysis method. Contents of two subjects of a pneumatic/structure are considered, linkage updating of the model is achieved, and the method has the advantages of being high in universality, wide in application range and convenient to use.

The invention discloses a two dimentional attitude control system of a synthetic aperture radar satellite, which includes a satellite position analysis module, a satellite position analysis module and an expected attitude determination module. The two dimentional attitude control system is applied in the situation that the synthetic aperture radar satellite runs on an elliptic orbit, and echoed signal doppler center frequency can be controlled to be zero by applying yaw-pitch-two-dimensional attitude control technology, thus effectively weakening the degree of coupling between distance vector and direction vector and lowering the difficulty and operand of imaging process.

The invention provides an alarm management system of an access network device. The alarm management system comprises an alarm reporting module and an alarm management module. The alarm reporting module is used for reporting generated alarms, packaging alarm information of the alarms into an information queue and dynamically opening memory space. The alarm management module is used for judging whether shielding processing needs to be carried out on the alarms or not, and if the shielding processing needs to be carried out on the alarms, the alarms are shielded; if the shielding processing does not need to be carried out on the alarms, either the alarms are event alarms or non-event alarms is judged, if the alarms are the event alarms, the event alarms are sent to a pre-stored event table, whether restraining processing needs to be carried out on the event alarms or not is judged, if the restraining processing does not need to be carried out on the event alarms, the alarm information is received, if the restraining processing needs to be carried out on the event alarms, restraining processing is carried out on the event alarms, and the event alarms are reported; if the alarms are the non-event alarms, either the non-event alarms are triggering alarms or clear alarms is judged, if the non-event alarms are the triggering alarms, the triggering alarms are managed and processed, and if the non-event alarms are the clear alarms, the clear alarms are managed and processed. By means of the alarm management system, a user can carry out positioning analysis on generated alarms, faults, warnings, abnormities and the like by inquiring information in alarm management.