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Method of matching and invoking of antenna thermal deformation compensation database based on orientation adjustment

A database, thermal deformation technology, applied in the direction of instruments, character and pattern recognition, computer parts, etc., can solve the problems of real-time antenna compensation, inability to reduce electrical performance, etc., to achieve the effect of ensuring accuracy and effect

Active Publication Date: 2016-08-17
XIDIAN UNIV
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  • Application Information

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Problems solved by technology

It can solve the problem that common compensation methods cannot perform real-time compensation for antennas whose electrical performance is degraded due to environmental factors during use, and the real-time performance of antenna deformation compensation adjustment is a key factor that determines whether the compensation adjustment system can work in actual projects

Method used

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  • Method of matching and invoking of antenna thermal deformation compensation database based on orientation adjustment
  • Method of matching and invoking of antenna thermal deformation compensation database based on orientation adjustment
  • Method of matching and invoking of antenna thermal deformation compensation database based on orientation adjustment

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Embodiment Construction

[0058] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0059] refer to figure 1 , the present invention is an antenna thermal deformation compensation database matching and calling method based on pointing adjustment, and the specific steps are as follows:

[0060] Step 1. Establish thermal deformation compensation database

[0061] The structural parameters of the reflector antenna and the sensor layout scheme have been determined. According to the corresponding relationship between the collected temperature data and the antenna pointing adjustment, the thermal deformation compensation database is obtained. The database contains the temperature data, the RMS value of the root mean square error of the temperature data, and an array formed by one-to-one correspondence of data such as point adjustments.

[0062] Step 2, the sensor collects temperature data

[0063] The sensor collects a set of temperature ...

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Abstract

The invention discloses a method of matching and invoking of an antenna thermal deformation compensation database based on orientation adjustment. The method comprises the following steps: based on the acquired temperature data and antenna orientation adjustment amount, obtaining a thermal deformation compensation database; a sensor acquiring temperature data, calculating a root mean square error RMS value of a temperature data acquiring group; the RMS of the temperature data acquiring group matching the RMS of a storage temperature data group in the database, calculating a similarity matching area and performing matching, calculating a critical matching area and performing matching, comparing similarity matching rates of data groups that have successful matching, finding the only matching data group, obtaining antenna orientation adjustment amount of a plane of reflection, determining whether the orientation adjustment amount is used for orientation adjustment, adding the newly acquired temperature distribution to the database. According to the invention, based on the real-time acquired temperature data, the method performs matching and invoking on the database through the RMS value for matching data, similarity area, and critical area, reduces matching scope gradually, thus completing orientation adjustment compensation of the plane of reflection and guaranteeing compensation accuracy and effect.

Description

technical field [0001] The invention belongs to the technical field of antennas, and specifically relates to a method for matching and calling an antenna thermal deformation compensation database based on pointing adjustment, which is used for matching the antenna thermal deformation compensation database and realizing database compensation for antenna pointing deviations. Background technique [0002] With the development and deepening of deep space exploration, radar communication, radio astronomy and many other fields at home and abroad, as one of the important basic equipment, the diameter of large reflector antenna is getting bigger and bigger, and the working frequency band is getting higher and higher. The design of the antenna , manufacturing and installation difficulties are also increasing. [0003] Large reflector antennas will undergo structural deformation under the action of their own gravity, wind, rain, snow, and temperature. The deformation of key parts suc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62
CPCG06F18/22
Inventor 王从思邓昌炽陈光达朱敏波王艳黄进庞毅段宝岩杜敬利段玉虎李申郑元鹏
Owner XIDIAN UNIV
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