Leveling method before radar laser target calibration
A laser target and radar technology, used in radio wave measurement systems, instruments, etc., can solve problems such as low accuracy and difficult implementation, and achieve the effects of ensuring accuracy, achieving high efficiency, and reducing calibration costs.
Active Publication Date: 2016-09-28
XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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[0003] In the prior art, the method of theodolite and steel ruler is usually used to level the radar laser target before calibration. The steel ruler is used to measure the distance, and the theodolite is used to measure the angle. The defect of this method is that the accuracy is not high and it is not easy to implement.
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[0020] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below ...
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The invention discloses a leveling method before radar laser target calibration. The leveling method before radar laser target calibration comprises the following steps: 1) arranging a total station on a first-stage platform and leveling the total station; 2) arranging a radar laser transmitter on the total station and leveling the radar laser transmitter; 3) arranging a laser receiver reticle on the first-stage platform and leveling the laser receiver reticle; 4) arranging a single prism at a preset position; 5) arranging the total station on a height-adjustable tripod, and leveling the total station; 6) adjusting the radar laser transmitter and the total station; 7) adjusting the total station and the radar laser transmitter; and 8) adjusting the radar laser transmitter and the laser receiver reticle. The leveling method before radar laser target calibration adopts a combined measurement method, so that precision of leveling before calibration is ensured, and meanwhile, high efficiency of large-size space geometry parameter calibration is realized, and calibration cost is reduced.
Description
technical field [0001] The invention relates to the technical field of measurement and calibration, in particular to a method for leveling a radar laser target before calibration. Background technique [0002] The radar laser target is mainly used for the installation and measurement of the aircraft radar antenna. It is composed of a laser emitting component, a laser receiver, an image analysis and an information processing unit. The selection of the calibration method will directly affect its working accuracy. [0003] In the prior art, the method of theodolite and steel ruler is usually used to level the radar laser target before calibration. The steel ruler is used to measure the distance, and theodolite is used to measure the angle. The defect of this method is that the accuracy is not high and it is not easy to implement. [0004] Therefore, it is desirable to have a technical solution to overcome or at least alleviate at least one of the above-mentioned drawbacks of th...
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IPC IPC(8): G01S7/497
CPCG01S7/497
Inventor 解岩王海英薛战军张晓勇张曦文
Owner XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA