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A method and system for acquiring target geometric outer surface data

A technology for external surfaces and targets, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve geometric modeling and other problems, achieve the effect of reducing time and good application prospects

Active Publication Date: 2017-06-13
SHANGHAI RADIO EQUIP RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a method and system for obtaining geometrical outer surface data of a target, which uses a high-speed white light three-dimensional scanning system to scan the outer surface of the target to obtain the original geometric shape data of the target, and obtains the formatted data after rapid processing of the original data. Surface element mesh model to solve the geometric modeling problem of the outer surface of the target

Method used

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  • A method and system for acquiring target geometric outer surface data
  • A method and system for acquiring target geometric outer surface data
  • A method and system for acquiring target geometric outer surface data

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Embodiment approach

[0034] The implementation method of the present invention comprises the following steps:

[0035] A. System connection and scan head calibration;

[0036] like figure 1 As shown in the figure, place the white light scanning head on the supporting stand, connect the white light scanning head, the controller and power adapter, the workstation, and the calibration servo motor with a special data cable, and install the calibration plate on the guide rail of the calibration servo motor. , to calibrate the scanning head so that the scanning head can form a clear projection on the calibration plate opposite to it.

[0037] Open the special software on the workstation, and complete the calibration step by step under the software guidance: first create a calibration file, after selecting the corresponding servo motor model, the position of the calibration plate on the guide rail can be automatically adjusted to adjust the calibration plate to the scanning head. At the same time, adju...

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Abstract

The invention relates to a method for acquiring target geometry outside surface data and a system. A target with magnetic locating points on the outside surface is scanned through a white light scanning head in the high-speed white light three-dimensional scanning system, acquired original target data are transmitted to a work station, surface cutting, point sampling, key point extraction and other processing are carried out through software, a geometric model of the complex target can be fast and accurately built, and the requirement for target surface element grid model data needed by electromagnetic scattering calculation is met.

Description

technical field [0001] The invention relates to the research field of target characteristics, in particular to a method for rapidly acquiring geometric outer surface data of a target and a high-speed white light three-dimensional scanning system. Background technique [0002] For the simulation research of target characteristics, it is first necessary to obtain the 3D geometric data of the target shape, but often there is no target CAD drawing, only the target solid model. In the prior art, the model can only be scanned and data processed by a three-dimensional laser scanner, etc., through a surveying and mapping method, so as to establish a corresponding three-dimensional model. Improves the available mesh model data for target bins required for computational electromagnetics. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a method and system for acquiring geometrical outer surface data of a target, which uses a high-speed white ligh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 顾俊王晓冰薛正国
Owner SHANGHAI RADIO EQUIP RES INST