74results about How to "Improve drawing accuracy" patented technology

In order to solve the problems existing in the prior art of station area topology drawing, the invention innovatively applies a priori algorithm (apriori algorithm) of graph theory and big data miningtechnology to a low-voltage station area transformer-line-meter box-electric energy meter-client, the minimum spanning tree algorithm is used to realize the automatic drawing of the topology diagramof the platform area and the display of a chart with the key information of the customer. On the one hand, the topology diagram is measured on the spot, The traditional mode of manual maintenance is transformed into automatic drawing and automatic checking mode, which saves the cost, improves the drawing accuracy, work efficiency and the level of matching consistency in low voltage platform area,and effectively solves the data non-standard and structure ambiguity at the end of the power network. On the other hand, it makes full use of a large number of precious data resources in the marketingsystem to provide strong support for the visualization and precision service of the manager of the station area, and makes the phase sequence of the household table more definite, so as to fully carry out the deep application related to the phase-separated load forecasting.

The invention discloses a method for stretching a glass prefabricated rod. The glass prefabricated rod is stretched in such a method that the upper end and the lower end of a glass prefabricated rod are respectively clamped on an upper clamp and a lower clamp to be orderly heated, and the glass prefabricated rod is stretched by the speed difference of the upper clamp and the lower clamp. In the stretching process, the stability of the stretching force is always guaranteed by adjusting the speed of the upper clamp, and the speed of the lower clamp is controlled by the set control diameter and the set point measurement diameter of a diameter measurer. The method for stretching a glass prefabricated rod is characterized in that a gravity sensor is used for measuring and reflecting the internal tension of the glass prefabricated rod of stretching force, and the performance of the unchanged volume of the glass prefabricated rod in the stretching process is used for controlling the start stretching period and the end stretching period of the glass prefabricated rod. The method for stretching a glass prefabricated rod has the characteristics of high stretching precision and high utilization rate of the glass prefabricated rod.

The invention provides an internet of vehicles data transmission method and system, a mobile terminal and a storage medium. The method comprises the steps of acquiring vehicle information stored in avehicle terminal, and controlling the vehicle terminal to share corresponding information with other vehicle terminals within a preset interval distance; acquiring road information, and drawing a roadcondition map according to the road information and vehicle information; when a navigation request sent by any vehicle terminal is received, matching the navigation request with the road condition map so as to obtain a navigation result, and sending the navigation result to a corresponding vehicle terminal. Due to acquisition of the vehicle information and the road information, data calculation is accurate, the load of the server is low, information is transmitted timely, information transmission delay caused by massive data is prevented, and the road condition map is drawn based on the vehicle information and the road information, so that the road condition map is more accurate, more precise analysis data is delivered to user, and the user experience is improved.

A charged-particle beam writer which draws a pattern on a specimen with a charged-particle beam generated from a single particle generator by both of a VSB strategy and a scan-projection strategy, the charged-particle beam writer comprising a data creating unit configured to create pattern data representing a state where a first-type figure drawn by the VSB strategy and a second-type figure drawn by the scan-projection strategy are arranged on the specimen, a computing unit configured to calculate, on the basis of the pattern data, the amount of correction for correcting the drawing dimensions of the first-type figure on the specimen and the drawing dimensions of the second-type figure on the specimen, and a control unit configured to control the dose of beam at each position on the specimen on the basis of the calculated amount of correction.

The present invention provides a non-transitory medium storing a program for correcting an irradiation position of a charged particle beam, a correction amount calculation device, a charged particle beam irradiation system, and a method for correcting an irradiation position of a charged particle beam. The medium includes instructions for causing a control unit to perform actions including replacing charging of a resist with surface charges at an interface between the resist and a work piece, and calculating a charge density distribution of the surface charges; calculating a trajectory of a charged particle based on the charge density distribution; calculating an amount of error of the irradiation position of the charged particle beam based on the trajectory and calculating an amount of correction of the irradiation position of the charged particle beam based on the error amount.

The present invention is applicable to the technical field of noise maps and provides a method for drawing a noise map and device, the method for drawing a noise map comprises: obtaining an environmental noise uploaded by a terminal, the environmental noise includes a noise value, a time information, and a position information; when the terminal uploads a picture corresponding to the environmental noise, detecting whether the picture is a valid picture or not; when the picture is a valid picture and the position where the picture is taken lies indoor, identifying the environmental noise as an indoor environmental noise; when the picture doesn't exist, identifying the environmental noise as an outdoor environmental noise, or when the picture is invalid, identifying the environmental noise as an outer door environmental noise, or when the picture is a valid picture and the position where the picture is taken lies outdoor, identifying the environmental noise as the outdoor environmental noise; drawing a noise map according to the indoor environmental noise and the outdoor environmental noise. The present invention can not only improve drawing accuracy of the noise map, but also increase reliability of the noise map.

The invention discloses a disposable hard-plastic nerve root retractor with an independent light source and an attracting capacity. The nerve root retractor comprises a handle and a first connecting rod, the handle is coaxially connected with the first connecting rod, two first baffles are installed at the end, far away from the handle, of the first connecting rod, a second connecting rod is arranged between the first baffles, the second connecting rod is provided with a hinge pin penetrating through the first baffles, and the second connecting rod can rotate around the first connecting rod; a sleeve is installed at the end, far away from the first baffles, of the second connecting rod, a third connecting rod is arranged in the sleeve in an inserted mode, a sleeve joint telescopic rod is arranged in the sleeve through a mounting base, and the sleeve joint telescopic rod is connected with the third connecting rod. The disposable hard-plastic nerve root retractor with the independent light source and the attracting capacity is easy to operate and convenient to use, a doctor can manually operate the nerve root retractor to enable the retractor to be retracted or stretched, the stretching precision of the retractor is improved, a vacuum device can extract excessive hydrops, and treatment is prevented from being affected due to excessive hydrops.

The invention discloses a hull side thruster guide plate scribing instrument and a drilling and scribing method thereof and relates to a drilling and scribing device. The hull side thruster guide plate scribing instrument comprises a laser dotter and a support mechanism, wherein the support mechanism comprises a supporting group frame, a central shaft rod, a rotating bracket and a laser dotter support. One end of the central shaft rod is fixed on the supporting group frame, and the other end of the central shaft rod is provided with a rotating support. One end of the laser dotter support is fixed on the rotating support, a tray is arranged at the other end of the laser dotter support, the laser dotter is installed on the tray, and the laser dotter support is perpendicular to the central shaft rod and can rotate around the central shaft rod through the rotating support. The scribing accuracy during outer plate drilling can be improved, the operation difficulty during outer plate drilling and scribing is reduced, shortening of the scribing time is facilitated, and a segmented period is shortened.

The invention provides a technique which improves drawing precision of a pattern of a belt-shaped area at an end of a substrate. A drawing device (100) draws the pattern on the substrate (90) through irradiating strip-shaped drawing light to the substrate on which a photoreceptor is formed. The drawing device is provided with the components of: a plurality of optical heads (33a-33e) which irradiates the drawing light; a secondary scanning mechanism (221) which makes the optical heads (33a-33e) move relative to the substrate in an auxiliary scanning direction (+x direction); and a main scanning mechanism which make the optical heads move relative to the substrate in a main scanning direction (+y,-y direction). Additionally, the drawing device is provided with an automatic focusing mechanism (6) which adjusts the focus position of the drawing light that is radiated from the plurality of optical heads. The automatic focusing mechanism for partial optical heads (33b-33e) in the plurality of optical heads takes a position which offsets from the central position of the drawing light to the auxiliary scanning direction on the substrate as a detecting position for detecting separating distance variation.

The invention discloses a drawing method for a site to be drawn, which comprises the steps that a mobile terminal downloads an electronic drawing; determining the position of a first inflection pointA of the site in the actual site; determining the coordinates of the first inflection point A in a first coordinate system, and determining the coordinates of the first inflection point A in a secondcoordinate system accordingly; determining the position of a second inflection point B in the actual site, determining the coordinates of the second inflection point B in the first coordinate system,determining the coordinates of the second inflection point B in the second coordinate system accordingly, wherein the second inflection point B is adjacent to the first inflection point A; calculatingthe coordinates of the rest of the inflection points in the second coordinate system, and determining the coordinates of the rest of the inflection points in the first coordinate system; and determining the positions of the rest of the inflection points in the actual site. The drawing method can simplify the process of site drawing and inflection point position information collecting and improvethe accuracy.

The invention discloses a multifunctional drawing tool for senior high school mathematics. The drawing tool comprises a bottom plate and a second fixed base; a motor is arranged on the surface of thebottom plate, the top end of an output shaft of the motor is connected with a first connecting block, the first connecting block is connected with a second connecting block through a first electric telescopic rod, the second connecting block is connected with a first fixed base through a second electric telescopic rod, the first fixed base and the second fixed base are correspondingly provided with connecting holes, connecting columns are rotatably connected in the connecting holes, and soft pads are arranged on the corresponding faces of the first fixed base and the second fixed base. According to the multifunctional drawing tool for senior high school mathematics, when drawing is carried out, a user carries out data input through a PLC, the PLC can control work of the motor, the first electric telescopic rod and the second electric telescopic rod according to input data, drawing work is achieved, drawing precision is improved, operation is easy, and a teacher can conveniently use thetool.

The invention discloses a rock mass structural plane intelligent interpretation method based on point cloud and GPU technologies. Collected rock mass laser point cloud data are processed as follows: step one, normal vectors of all points in the point cloud data being calculated based on GPU parallel computing and a linear regression method; 2, identifying a structural plane feature point set by using an improved region growing method; 3, extracting a structural plane boundary from the final structural plane feature point set by utilizing an improved convex hull scanning method; and 4, calculating the trace length, occurrence and spacing of the automatic interpretation structural plane based on the contour points. According to the method, the top-speed operation of massive point cloud datacan be realized, the efficiency bottleneck of identifying the structural plane based on the point cloud in the past is broken through, the rock mass structural plane information is accurately, quicklyand efficiently acquired, and meanwhile, the boundary of the structural plane can be described with high precision, so that the accurate trace length of the structural plane is calculated.

The invention relates to an expansion joint clamping performance measuring device, and relates to the technical field of expansion joint clamping performance measurement, the expansion joint clamping performance measuring device comprises a machine body, the machine body is slidably connected with at least one pair of sliding seats, each sliding seat is provided with a clamping assembly used for clamping a rubber strip, and each sliding seat is provided with a tension sensor used for measuring the tensile force of the rubber strip; the machine body is provided with a driving mechanism used for driving the sliding seats to slide oppositely. The driving mechanism drives the sliding seats to slide oppositely, the clamping assembly clamps the rubber strip, then the sliding seats drive the two ends of the rubber strip to be synchronously and reversely stretched, the tension sensor records the tension of the rubber strip, the two ends of the rubber strip are evenly stressed, and the possibility that the measurement precision of the rubber strip is reduced is effectively reduced.

The invention discloses compasses for teaching. The compasses comprise a first supporting rod and a second supporting rod, wherein a storing groove is formed in the first supporting rod, and a connecting rod is hinged with the inside of the storing groove; a first chute is formed in the first supporting rod, and a first sliding block is arranged in the first chute and can move in the first chute;a pen point is arranged on the first sliding block; a second chute is formed in the second supporting rod; a second sliding block is hinged with the end part of the connecting rod and is mounted in asecond chute; a locking part is arranged on the first supporting rod and is used for fixing opposite angles of the first supporting rod and the second supporting rod. According to the compasses for teaching, the storing state and the expanding state are supplied; the first supporting rod and the second supporting rod are matched to realize circle drawing; the compasses for teaching have the advantages of being high in drawing accuracy and stable to use; in addition, the compasses for teaching are provided with the storing state and the expanding state, so that the storing function of the compasses for teaching is realized; and the compasses for teaching are convenient to carry.

The invention relates to the technical field of economics teaching, in particular to a bar chart plotter for economics teaching. The bar chart plotter comprises an L-shaped assisting plate, a drawing ruler and a sucker; the L-shaped assisting plate is formed by a horizontal plate and a longitudinal plate vertical to each other; the drawing ruler comprises two longitudinal rulers arranged in parallel and a horizontal ruler; the horizontal ruler is vertically arranged between the two longitudinal rulers of which the upper surfaces are provided with scales; a plurality of through slot groups are arranged at the side surface, close to the drawing ruler, of the horizontal plate in a penetrating mode, and each through slot group comprises two through slots corresponding to the longitudinal rulers; the longitudinal rulers are telescopically arranged in the through slots; the sucker is arranged at the back surface of the horizontal ruler; the height of the sucker is equal to the interval between the back surface of the horizontal ruler and the back surface of the horizontal plate. The bar chart plotter for economics teaching is used for quickly drawing a bar chart and is high in precision.

The embodiment of the invention discloses a parking space drawing method, device and equipment and a storage medium. The method comprises the steps: obtaining a boundary reference point of a parking region which consists of at least two to-be-drawn parking spaces; determining a boundary reference line of the parking area based on the boundary reference points, and extracting parking space boundarypoints on the boundary reference line; and drawing each parking space in the parking area based on the parking space demarcation point and the boundary reference point. Through the technical scheme of the embodiment of the invention, the drawing efficiency and drawing accuracy of the parking space can be improved.

The invention provides phase difference compensation membrane manufacturing equipment and method. The equipment comprises a cleaning mechanism and a heating tank, wherein the heating tank is internally provided with a heating module, a conveying mechanism and a tension mechanism. The method comprises the following steps implemented by using the equipment: cleaning a base membrane by using the cleaning mechanism; feeding the cleaned base membrane into the heating tank and the tension mechanism through the conveying mechanism, and clamping the base membrane in the tension mechanism; powering on the heating module, increasing the ambient temperature inside the heating tank to a preset temperature section, and keeping the temperature for a preset time so as to soften the base membrane; drawing the base membrane in the tension mechanism according to preset multiplying power so as to obtain a phase difference compensation membrane, and discharging the phase difference compensation membrane outside the heating tank through the conveying mechanism. As the base membrane is directly drawn in the heating tank, and the heating temperature and the heating time are preset, the rejection rate is reduced, and the manufacturing time is shortened. Furthermore, the structure of the tension mechanism is simplified, and the tension precision is high.

The invention discloses a high-precision writing and drawing robot. The high-precision writing and drawing robot comprises a pen rack assembly, wherein the pen rack assembly sequentially comprises a pen rack, a supporting plate, a linear guide rail module and a driving source in the first direction; the linear guide rail module comprises a rail rod and a sliding block; the sliding block is connected to the rail rod in a sliding manner in the second direction; one end of the supporting plate is fixedly connected with the sliding block, and the other end of the supporting plate is fixedly connected with the pen rack; and the driving source is fixedly connected with the supporting plate. According to the high-precision writing and drawing robot, the repeated positioning precision of a drawingpen is improved, the drawing precision is improved, and the drawing precision can reach 0.01 mm.

The invention provides a method for drawing a ship distance line in real time based on a reality augmentation system. The method comprises the following steps: establishing a model through 3D modeling; converting longitude and latitude data into three-dimensional coordinates, and placing the model in a display range; simplifying the three-dimensional coordinates into two-dimensional coordinates, establishing a line drawing area by taking the target ship as the center, selecting a plurality of representative points on the outer contour, and drawing calibration lines which respectively penetratethrough the representative points and are parallel to the X axis; drawing four measuring lines by taking the outer contours of other ships as a reference, solving coordinates of intersection points of the calibration lines and the measuring lines after the other ships enter a line drawing area, converting two-dimensional coordinates into three-dimensional coordinates, and drawing distance lines for connecting representative points and the intersection points through a line drawing function of a three-dimensional map. According to the method, real-time drawing is achieved, two points do not need to be manually selected in a three-dimensional map, the method has following performance and real-time performance, the drawing precision of the distance line is higher through analysis of AIS information and accurate transformation of the ship size, and compared with ship representation in an electronic chart, the drawing precision is higher.

The invention discloses a GPS based path diagram drafting method and system. Measuring data of a GPS plotting device is received, the measuring data is parsed according to format information corresponding to identification information of the GPS plotting device, and a temporary path diagram is drafted according to the parsed measuring data; according to a real path, error points in the temporary path diagram are modified, and the path direction in the temporary path diagram is adjusted; and according to the temporary path diagram and the adjusted path direction, an effective path diagram is drafted. According to technical schemes of the invention, the measuring data can be parsed by selecting the format information corresponding to the identification information of the GPS plotting device instead of being processed in a unified format, data errors can be reduced, the drafting accuracy of the path diagram is improved, work is less tedious, and the working efficiency is improved.