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Typical high-precision radar structure precision design and implementation method

A technology of precision design and implementation method, applied to radio wave measurement systems, instruments, etc., can solve the problems of reducing the implementation cost, low sidelobe level of radar, pointing accuracy, etc.

Pending Publication Date: 2022-03-11
南京国睿防务系统有限公司
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Problems solved by technology

At present, the scientific rationality of the allocation of structural accuracy indicators needs to be improved. It is necessary to sort out the corresponding relationship between structural accuracy indicators and telecommunication indicators, and analyze in detail the impact of each error influencing factor on structural accuracy, and provide a specific allocation plan in combination with typical radars to form antenna system pointing. The unified calculation method of precision makes the radar structure precision not only meet the requirements of use, but also reduce the implementation cost
[0004] At present, domestically, there is no exploration on the balance between radar structure accuracy design and telecommunication accuracy index, and the unified calculation method of antenna system pointing accuracy, and the typical high-precision radar structure accuracy design and implementation methods have not been systematically formed. Therefore, there is an urgent need to systematically develop radar structures. Precision design and implementation to reduce the influence of structure precision on radar low sidelobe level and pointing precision

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  • Typical high-precision radar structure precision design and implementation method
  • Typical high-precision radar structure precision design and implementation method
  • Typical high-precision radar structure precision design and implementation method

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Embodiment Construction

[0021] The invention is a typical high-precision radar structure precision design and implementation method, which performs structure precision distribution, antenna system pointing precision calculation, structure precision measurement and correction, and realizes matching of high-precision radar structure precision with telecommunication indicators.

[0022] The method of this embodiment includes analysis of influencing factors of structural accuracy errors, allocation of structural accuracy, calculation of pointing accuracy errors of antenna systems, measurement and calibration of structural accuracy. Through the design and implementation method of typical high-precision radar structure precision, accurate rigidity calculation, reasonable precision distribution and precision measurement can be carried out for radar antenna, antenna transmission and servo transmission mechanism, and the balanced design of structure precision and telecommunication precision can be realized. At...

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Abstract

The invention relates to a typical high-precision radar structural precision design and implementation method, which comprises the following steps of structural precision error influence factor analysis, structural precision distribution, antenna system pointing precision error calculation and structural precision measurement and calibration. Different precision error influence factors of the structure are comprehensively analyzed and calculated, a technical implementation route of precision distribution, measurement and calibration of each structure is given, and the research difficulty and the high-precision assembly requirement of a radar system are reduced. By applying the method, the radar structure precision can be analyzed, distributed, calculated, measured and calibrated. And meanwhile, by customizing a radar parameterization structure precision design tool, the pointing precision of the antenna system can be calculated in real time according to each error influence factor, a theoretical basis is provided for reasonable matching of the structure precision and a telecommunication index, and the structure precision design is changed from empirical analysis to quantitative analysis.

Description

technical field [0001] The invention relates to the technical field of radar structure precision allocation and design, in particular to a typical high-precision radar structure precision design and implementation method. Background technique [0002] For typical precision tracking and measurement radars, high structural accuracy is required, and the structural system is required to have good rigidity, small static and dynamic deformation, stable dimensions under various climatic conditions, and high shafting accuracy. How to effectively carry out the distribution design, measurement and correction of structural accuracy is an important way to realize the high-precision work of measurement radar. [0003] As the radar frequency band gradually becomes higher, the surface accuracy, antenna base shafting accuracy, array position accuracy, and calibration accuracy of the radar structure, which are highly related to telecommunications, are facing difficulties in design, measureme...

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Application Information

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IPC IPC(8): G01S7/02G01S7/40
CPCG01S7/02G01S7/4004G01S7/4026
Inventor 刘炳辉唐绩卞磊程春红王东强
Owner 南京国睿防务系统有限公司
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