163 results about "Distance analysis" patented technology

The amount of analysis performed in determining the validity of a property of a digital circuit is measured concurrent with performance of the analysis, and provided as an output when a true / false answer cannot be provided e.g. when stopped due to resource constraints. In some embodiments, a measure of value N indicates that a given property that is being checked will not be violated within a distance N from an initial state from which the analysis started. Therefore, in such embodiments, a measure of value N indicated that the analysis has implicitly or explicitly covered every possible excursion of length N from the initial state, and formally proved that no counter-example is possible within this length N.

The invention provides a power transmission line intelligent inspection system based on LiDAR and further provides a power transmission line intelligent inspection method based on LiDAR. The power transmission line intelligent inspection system comprises a three-dimensional quantifying information acquiring unit, a three-dimensional rebuilding unit and an intelligent inspection analysis unit. The three-dimensional quantifying information acquiring unit is suitable for acquiring power transmission equipment actual space three-dimensional quantifying information and power transmission line peripheral environment ground feature three-dimensional quantifying information, namely, point cloud data provided by LiDAR; the three-dimensional rebuilding unit is suitable for three-dimensional rebuilding of a power transmission line body and a corridor based on power transmission equipment actual space three-dimensional quantifying distribution information and power transmission line peripheral environment ground feature actual three-dimensional quantifying information; the intelligent inspection analysis unit is suitable for carrying out safety distance detection based on three-dimensional rebuilding results, carrying out safety distance analysis according to safety distance detection results and power transmission line safety standards and pointing out power transmission lines not catering to the safety standards or giving an alarm about the power transmission lines not catering to the safety standards. By means of the power transmission line intelligent inspection system and the power transmission line intelligent inspection method, requirements for line inspection data and function digitalization, standardization and visualization are achieved.

In accordance with the teachings described herein, systems and methods are provided for analyzing transactional data. A similarity analysis program may be used that receives time-series data relating to transactions of an organization and performs a similarity analysis of the time-series data to generate a similarity matrix. A data reduction program may be used that receives the time-series data and performs one or more dimension reduction operations on the time-series data to generate reduced time-series data. A distance analysis program may be used that performs a distance analysis using the similarity matrix and the reduced time-series data to generate a distance matrix. A data analysis program may be used that performs a data analysis operation, such as a data mining operation, using the distance matrix to generate a data mining analysis of the transactional data.

In accordance with the teachings described herein, systems and methods are provided for analyzing transactional data. A similarity analysis program may be used that receives time-series data relating to transactions of an organization and performs a similarity analysis of the time-series data to generate a similarity matrix. A data reduction program may be used that receives the time-series data and performs one or more dimension reduction operations on the time-series data to generate reduced time-series data. A distance analysis program may be used that performs a distance analysis using the similarity matrix and the reduced time-series data to generate a distance matrix. A data analysis program may be used that performs a data analysis operation, such as a data mining operation, using the distance matrix to generate a data mining analysis of the transactional data.

The present invention proposes a method for analyzing overlapping coverage of LTE cells based on MR data, including collecting MR data, obtaining LTE MR data files and cell information tables; Respectively form overlapping coverage adjacent cell pairs with the main cell, and calculate the weight of overlapping adjacent cell pairs according to the signal points of overlapping adjacent cells, sort and determine the priority of overlapping coverage cells and then screen them, and analyze the coverage distance of cells that have passed the weight screening to determine High overlapping coverage cells to be optimized; multi-factor correlation analysis, including weak coverage correlation analysis, useful signal proportion analysis and user concentration correlation analysis. The technical scheme of the present invention can more accurately locate problem cells, and can put forward more reasonable optimization suggestions, and can perform all-round inspection and troubleshooting of overlapping coverage cells.

The invention relates to a logistic goods location notifying system and a working method thereof. The logistic goods location notifying system comprises embedded terminals arranged on goods packaging bags of an express company, and a cloud terminal service platform arranged on a cloud terminal server of the express company, wherein each embedded terminal has a unique terminal identity identification code, and is in communication connection with the cloud terminal service platform through a communication terminal. A GPS and GSM dual-positioning technology is adopted in the embedded terminals, when goods are out of a door, the goods are accurately positioned through receiving a GPS satellite signal; when the goods are in a room which can not receive the GPS satellite signal or underground, a position of a base station near the goods is immediately positioned and obtained through a GSM for being roughly positioned, therefore, the goods are continuously positioned in the whole course in a conveying process; and the cloud terminal service platform judges whether the goods reach near a receiver though a built-in distance analysis unit, and when the goods are about to reach, a receipt notice is automatically sent to the receiver. The invention can be widely applied to the field of express logistics.

The invention relates to the technical field of radars, in particular to a multi-beam scanning device and a multi-bean scanning method. The device comprises a signal transmitting unit 10, a fist optical unit 201, a second optical unit 202, a signal receiving unit 30 and a distance analysis unit 40. The multi-beam scanning device and the multi-bean scanning method provided by the invention are in a diffraction-based laser radar scanning mode; a fixed diffraction grating is used; the scanning of a laser radar is realized by changing a diffraction angle by changing laser wavelength; a mechanical movement part can be avoided in the mode; the scanning angle is wide, for example, the scanning angle can reach + / -4 degrees; the scanning speed is high, for example, the scanning speed can exceed 10 kHz, and meanwhile, the reliability is greatly improved.

The invention relates to a refrigerator, in particular to automatic control over a refrigerator display screen and provides a device for intelligently starting the refrigerator display screen. The purpose is to solve the problem that an existing refrigerator display screen can not perform displaying according to the relative state of a user and a refrigerator. The device comprises a human body movement sensing module, a human body distance measuring module, a processing module and a communication module. The human body movement sensing module is used for sensing the human body movement state. The human body distance measuring module is used for measuring the distance between the human body and a refrigerator. The processing module is used for receiving human body movement information of the human body movement sensing module and controlling the human body distance measuring module to start to work, the movement relation of the human body relative to the refrigerator is analyzed and judged according to the distance, measured by the human body distance measuring module, between the human body and the refrigerator, and an instruction for controlling the display screen to be started or shut down is transmitted to the refrigerator according to the movement state relation of the human body relative to the refrigerator. The communication module is used for being in data transmission with the refrigerator. The invention further provides a method for intelligently starting the refrigerator display screen. The method is suitable for the refrigerator.

The invention relates to a method for preventing cheating used when a vehicle accident appears by utilizing a vehicle-mounted intelligent terminal. The method comprises the following steps of performing remote-distance analysis on a vehicle accident according to related vehicle data which is real-time collected and uploaded to a background through the components comprise a GPS chip, a gravity sensor, a magnetic field sensor, an angular speed sensor and the like in a vehicle-mounted intelligent terminal mounted on a vehicle OBD interface, wherein the collected information comprises the data of a vehicle speed changing situation, an accident position, accident time, collision intensity, accelerator position change, brake position change, steering wheel position change, vehicle posture change, vehicle speed, engine rotating speed, ignition time, a driving distance of the vehicle from the ignition time to the accident occurrence time and the like; sending the real-time monitoring data in a time range before and after the occurrence of the accident to a background system; and when the background system receives the reporting information of a vehicle owner, analyzing and comparing the accident real-time monitoring data uploaded by the vehicle-mounted intelligent terminal, analyzing the cause of the accident, and identifying the authenticity of the accident. According to the method disclosed by the invention, the workload of a prospecting staff and the operation cost of an insurance company are reduced, and the authenticity and the validity of the data are guaranteed.

A smart home system is disclosed which comprises a central camera system; a voice IP unit; a user identification system; a behavioral pattern data server; a plurality of sensors electrically coupled to operate each device based on the distance analysis with respect to each user; a central processing unit; a habit learning unit configured to analyze, interpret, and form a habitual usage profile for each user; and a central switching unit configured to operate each device following instructions from the central processing unit and the habit learning unit.

An optical apparatus for measurement of industrial chemical processes. The analyzer uses Raman scattering and performs measurement of chemical concentrations in continuous or batch processes. The analyzer operates at a standoff distance from the analyte (or analytes) and can measure concentrations through an optical port, facilitating continuous, non-destructive, and non-invasive analysis without extracting the analyte or analytes from the process. The analyzer can measure one or several solid, liquid, or gaseous analytes, or a mixture thereof.

The invention relates to a boost phase generalized standard miss distance analysis guidance method. The method comprises steps that 1, boost phase guidance problem modeling is carried out, including standard ballistic movement modeling, guidance correction first-order perturbation modeling and terminal constraint modeling; 2, boost phase standard ballistic regular perturbation solution modeling is carried out; 3, boost phase standard ballistic zero-order item analysis solution on the basis of regular perturbation is carried out; 4, boost phase standard ballistic first-order item analysis solution on the basis of regular perturbation is carried out; and 5, boost phase optimal guidance instruction solution on the basis of the standard miss distance is carried out. Through the method, zero-incidence is taken as boost phase ballistic standard control, analysis solution is carried out by employing a regular perturbation method, and thereby an analyzed standard miss distance is acquired; an optimal control method is employed to solve a guidance instruction of the correction standard miss distance, and thereby a non-linear analysis optimal guidance method satisfying boost phase task demands is acquired.

The invention discloses a commercial district division method based on cost distance grids. According to the method, spatial commercial activity elements are selected and constructed, cost grids are formed through symmetric difference processing, and cost values of grid units represent prices for crossing the units; and meanwhile, a continuous field model is used to express geographic spaces of the grids, distribution grids are obtained through analytical calculation of cost distances, and therefore commercial district division is realized. The method comprises the steps that multiple spatialcommercial activity elements are selected and constructed; the symmetric difference between the commercial activity elements is calculated, and regular grid data is obtained to serve as a cost layer needed for cost distance grid operation; a source layer of a to-be-divided commercial district is selected; each cost distance grid is calculated; and the commercial district is divided according to the distribution grids. Through the technical scheme, needed detailed data components within the commercial district can be provided during site selection and shop setup; and macro decision-making technical support such as commercial district development planning, layout and commercial development potential area analysis can also be provided.

Disclosed herein are an apparatus and method for providing advertising content effectively. The apparatus for providing advertising content comprises: a image processing unit for extracting an object from a captured image; the long-distance analysis unit for creating long-distance analysis information obtained by analyzing the object at a first distance; the short-distance analysis unit for creating short-distance analysis information obtained by analyzing the object at a second distance that is shorter than the first distance; and the content selection unit for selecting advertising content using the long-distance analysis information and the short-distance analysis information.

The invention provides an operating distance analysis method on the basis of a space-based infrared detection system. A movement track of an infrared moving object is modeled, and thermodynamic analysis and temperature distribution simulation are carried out on the modeled infrared moving object; the infrared radiation amount of the infrared moving object is calculated and obtained according to a result of temperature distribution simulation of the infrared moving object; the infrared radiation amount in the atmosphere transmission process is calculated and obtained; and the radiation energy, of the infrared object, received by an area-array staring detection system, reaching an expected using effect is calculated and obtained, namely, the maximal operating distance that can be detected by infrared detection system for the infrared moving object is obtained. The detection accuracy and instantaneity of the infrared moving object are improved, and searching, detecting and tracking for the infrared moving object can meet requirements.

The invention relates to a method and a circuit arrangement for deciding a symbol upon reception of a signal coupled with a quadrature signal pair, wherein the decision is made through analysis of the distance between at least one reception point and at least one nominal point in the complex space. In order to improve the pull-in regions or decision regions in the case of higher-quality modulation methods even in the region of larger radii, it is proposed that the distance be analyzed in the non-Cartesian or not exclusively Cartesian complex phase space, the complex signal being transformed for distance analysis in the preferably polar coordinate space (R, α) as non-Cartesian complex phase space.

A method and a computer software program for operating a smart home system including a sensor electrically coupled to each device, a central processing unit (CPU), and a data storage is disclosed that includes the steps of receiving attributes of a user, calculating a distance between the user and a device, performing a distance analysis, forming a habitual usage profile using a sequence pattern data mining algorithm, and sending a habitual usage command in accordance with said habitual usage profile.

An imprint apparatus for imprinting a mold pattern onto a substrate or a member on the substrate includes a light source for irradiating a surface of the mold disposed opposite to the substrate and a surface of the substrate with light; an optical system for guiding the light from the light source to the surface of the mold and the surface of the substrate and guiding reflected lights from these surfaces to a spectroscope; a spectroscope for dispersing the reflected lights guided by the optical system into a spectrum; and an analyzer for analyzing a distance between the surface of the mold and the surface of the substrate. The analyzer calculates the distance between the surface of the mold and the surface of the substrate by measuring a distance between the surface of the mold and a surface formed at a position away from the surface of the mold.

The invention relates to a common-tower double-circuit T-type power transmission line fault distance measurement method based on positive sequence current difference. The method is characterized in that firstly, a current transformer at a protection mounting portion is utilized to acquire each phase current data of three ends of a double-circuit T-type power transmission line system, and a positive sequence current component of a double-circuit line is solved through a symmetric component method; secondly, distance measurement functions of the three branches are calculated according to the positive sequence current component of the double-circuit T-type power transmission line, and a fault branch can be determined according to difference of the distance measurement functions of two ends of each branch; and lastly, a fault distance analysis expression is utilized to calculate a fault distance on a fault branch.

An optical apparatus for measurement of industrial chemical processes. The analyzer uses Raman scattering and performs measurement of chemical concentrations in continuous or batch processes. The analyzer operates at a standoff distance from the analyte (or analytes) and can measure concentrations through an optical port, facilitating continuous, non-destructive, and non-invasive analysis without extracting the analyte or analytes from the process. The analyzer can measure one or several solid, liquid, or gaseous analytes, or a mixture thereof.

The embodiment of the invention provides a motion track display method and a corresponding device. The method and the device are applied to the articulated naturality web. The articulated naturality web comprises a geographic information system (GIS) server, an articulated naturality web server and an articulated naturality web terminal which are in communication connection in sequence, and the GIS server receives latitude and longitude information and time information of the articulated naturality web terminal and generates a plurality of pieces of position data according to the latitude andlongitude information and the time information; And a motion track generated for the plurality of pieces of position data is displayed in an electronic map, and when the GIS server receives a selection operation of a specified position point, the target position data is highlighted on the motion track. According to the embodiment of the invention, the motion track can be displayed, the coordinatedata and the time data can be displayed, the purposes of position analysis, time analysis, speed analysis and the like on the motion track can be realized, and the problem that in the prior art, the moving time and moving distance analysis cannot be carried out on a positioned object is solved.

The invention relates to a calibration method for a printer having a mechanism for advancing a medium in a direction of media advance comprising the following steps: a- providing a printhead, the printhead having a swath height in the direction of media advance; b- providing an estimate of either the swath height or the characteristic of the mechanism; c- printing a base pattern on a medium using the printhead; d- printing an overlay pattern on the medium using the printhead to form an interference pattern; e- advance the medium of a predetermined distance using the mechanism at a time between the printing of the base pattern and the printing of the overlay pattern; f- analyze an optical evaluation of the interference pattern; g- evaluate as either: i- the swath height if the characteristic of the mechanism is known or estimated; or ii- the characteristic of the mechanism if the swath height is known or estimated.

The invention provides a method for identifying a visual object based on a manifold distance analysis, which comprises the following steps: constructing a manifold of an object to be identified according to data of the visual object to be identified, and constructing the manifold of a known object according to the data of a known visual object; reducing the dimensions of the manifold of the object to be identified and the manifold of the known object to subspaces; extracting the characteristic data in each subspace of the manifold of the object to be identified and the manifold of the known object; calculating the distance between the subspaces so as to obtain the distance between the manifold of the object to be identified and the manifold of the known object; and when the distance between the manifold of the object to be identified and the manifold of the known object meets the identification condition, confirming an object corresponding to the manifold of the known object as the visual object to be identified. The method compares and analyzes the distances between all the subspaces of the manifold of the object to be identified and the manifold of the known object, considers the whole position relations between the manifolds comprehensively, thus the method is not sensitive to noise data and has better identification effect of the visual object.

The invention discloses an optical flow gradient amplitude characteristic-based subtle facial expression detection method and relates to processing for identifying a graphic recording carrier. According to the method, face edges are obtained by means of fitting according to face key points, and a face region of interest is extracted; an optical flow field between face image frames in a video sequence is extracted by using a FlowNet2 network; the optical flow gradient amplitude characteristics of the face region of interest are extracted; characteristic distances are calculated and processed, and noise elimination is carried out; and therefore, subtle facial expression detection based on the optical flow gradient amplitude characteristics is completed. According to subtle facial expressiondetection in the prior art, subtle facial expression motion cannot be captured in extracted face image motion features; the features contain excessive interference information, and as a result, the subtle facial expression detection is susceptible to the influence of head deviation, blinking motion, accumulated noise and single-frame noise in feature distance analysis. However, with the method adopted, the above defects in the prior art can be eliminated.

The invention provides a fault distance measuring method for hybrid transmission lines based on unknown parameters. A hybrid transmission line includes a section of overhead line and a section of cable line. The fault distance (x) is obtained by eliminating the influence of the positive sequence impedance per unit length of the overhead line, the negative sequence impedance per unit length of theoverhead line, the positive sequence impedance per unit length of the cable line and the negative sequence impedance per unit length of the cable line in the hybrid transmission line. The fault distance measuring method has the advantages as follows: (1) the principle is reliable, and the precision of distance measurement is high; (2) the method is clear, the equation is solved without pseudo root, and a specific fault distance analysis formula is given; and (3) the value of practical application on an engineering site is high.

The invention provides a plane sight distance analysis method based on AutoCAD. The method comprises the steps that the drawing environment of CAD software is initialized; a viewpoint trajectory curve is generated, wherein the linetype entity of the curve is a polyline; the starting point and the end point of the viewpoint trajectory curve and the total length parameter of the viewpoint trajectory curve are acquired; parameters which comprise the sight distance envelope line fitting accuracy, the driving sight distance and the sight line generation spacing are input into an interactive interface; the starting point and the end point of the first set of straight lines are acquired; the number of cycles is set and T corresponding cycles are carried out to successively acquire all driving sight line intersections, and the driving sight line intersections are successively stored into a list; a drawing layer in CAD software is set as a sight distance curve; and a Pline command in CAD software is used to restore all intersections in the list to acquire a sight distance envelope line. According to the invention, the method makes full use of the computing ability and the drawing function of a computer; the design quality is improved; the safety of road operation is ensured; and the method is easy to learn and use, has the advantages of fast execution speed and the high flexibility, and is suitable for the engineering design.

The invention provides a method for sensing and evaluating traffic safety road conditions. The method comprises the steps that monitoring data of the monitoring range of a laser radar system are acquired, the data comprise radar ranging data of a moving object in the monitoring range, the monitoring range covers a monitoring lane and part of adjacent lanes, and the moving speed of the moving object in the monitoring range and the distance between the moving object and a detection point are calculated according to the monitoring data; according to the moving speed and the distance, the danger degree of the moving object is analyzed to the detection point and setting an early warning level; and when the moving condition of the moving object triggers the early warning alarm of the corresponding grade, the alarm early warning of the corresponding grade is sent out. According to the method for sensing and evaluating the traffic safety road condition, the data of the monitored lane and partof the adjacent lanes are obtained, the linear distance can reach 200-300 m, enough time can be provided for workers to avoid when early warning occurs, and the safety is improved. And the situation awareness of the moving object of the adjacent lane can be analyzed, the analysis data is complete, and the reliability is higher.

A computer implemented method of visualizing an infrastructure comprising: acquiring a cross section definition, the definition comprising points defining a link and link information, each of the points exhibiting a type; creating at least one three dimensional face linking points of a same type; assigning a face rendering for each of the created at least one three dimensional faces with a material definitional associated with the link information; and displaying the faces with the rendering. The invention also provides for a computing system operable to: acquire a cross section definition, the definition comprising points defining a link and link information, each of the points exhibiting a type; create at least one three dimensional face linking points of a same type; and assign a face rendering for each of the created at least one three dimensional faces with a material definitional associated with the link information.

The present invention discloses a traffic accident responsibility determination system based on machine learning, and relates to the technical field of traffic accident responsibility determination. The system comprises a traffic information interaction center, an image processing system and an accident responsibility analysis system. The traffic information interaction center comprises an image character receiving module and a determination result sending module; the image processing system comprises an image loading module, a color extraction module, a contour extraction module, a Gaussian Blur module and a distance analysis module; and the accident responsibility analysis system comprises a feature case search module and a comparison computing module. The traffic accident responsibilitydetermination system based on machine learning allow a reporter to replace the traffic police to perform photograph and evidence collection of a scene of a traffic accident and pass back informationin real time for responsibility analysis and determination so as to effectively reduce the time of scene measurement evidence collection, analysis and determination, is high in efficiency and accuratein determination, reduce human subjective factors, can recover the traffic as soon as possible and can avoid traffic congestion.

The present invention provides a software analyzer supporting development of derived products by allowing efficient selection of software components to be simultaneously reutilized or changed based on the past record of developments and changes of software products. A software analyzer according to the present invention analyzes a plurality of software components included in existing software products and correlations between the plurality of software components. The software analyzer includes product line analysis means adapted to create product line configuration data numerically expressing a set of the plurality of software components included in the existing software products, from existing product configuration data including, for each of the existing software products, data on the plurality of software components and data on the correlations between the plurality of software components, inter-component distance analysis means adapted to calculate inter-software-component distances numerically quantifying the correlations between the software components based on the product line configuration data, component cluster analysis means adapted to group the software components based on the inter-software-component distances, and an output section outputting results obtained by the product line analysis means, the inter-component distance analysis means, and the component cluster analysis means.