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Performance Optimization Method for Space-Based Radar

A technology of space-based radar and optimization method, applied in the direction of radio wave measurement system, instrument, etc., to meet the detection requirements of high time resolution and the effect of less number of satellites

Active Publication Date: 2017-12-01
SHANGHAI SATELLITE ENG INST
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  • Description
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Problems solved by technology

But this invention is not suitable for targets with fast speed and strong maneuverability

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  • Performance Optimization Method for Space-Based Radar
  • Performance Optimization Method for Space-Based Radar
  • Performance Optimization Method for Space-Based Radar

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Embodiment Construction

[0032] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0033] The technical problem to be solved by the present invention is to provide a space-based radar system efficiency optimization method for the area of ​​interest, which includes the following steps:

[0034] Step 1: Determine the orbit inclination according to the latitude zone of the target area and the payload distance of the space-based radar;

[0035] Step 2: Calculate the orbital height according to the payload distance and orbital inclination of the space-based radar;

[0036] Step 3: A...

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Abstract

The invention provides a space-based radar efficiency optimization method. The method includes the following steps: determining an inclination angle of a track on the basis of a latitude zone of a target area and the loading distance of space-based radar; calculating the height of the track according to the loading distance of space-based radar and the inclination angle of the track; and arranging multiple space-based radar satellites on the same track surface by enabling the phase angles of the satellites to be equal or arranging the space-based radar satellites on N track surfaces. A zero-degree inclination angle of a non-zero-degree inclination angle of a track can be selected on the basis of a latitude zone of a target area and the loading distance of space-based radar, that is to say, a track with a low inclination angle can be selected. Therefore, the target area can be detected many times and the high system efficiency can be achieved by means of relatively less satellites, and a high temporal resolution detection requirement of an airplane target can be met.

Description

technical field [0001] The invention relates to the overall design of satellites, in particular to a space-based radar efficiency optimization method. Background technique [0002] Space-based radar is an active detection method. It has the advantages of high radar station, large coverage, high positioning accuracy, and downward-looking detection is conducive to anti-stealth. It fills the gap in space-based aircraft detection methods. [0003] Considering that aircraft and other targets are moving targets, with the characteristics of fast movement and strong maneuverability, space-based radar needs to have high system efficiency, that is, to use as few satellites as possible to achieve high time-resolution reconfiguration of the area of ​​interest. visits, thereby ensuring continuous detection of aircraft targets. [0004] After searching the existing technology, it is found that the application number is 201210000464.3, and the name of the invention is the space multi-targ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/40
CPCG01S7/40
Inventor 陈筠力孙永岩陆晴万向成
Owner SHANGHAI SATELLITE ENG INST
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