Imaging simulation method and device for space-based space target

A target imaging and space-based space technology, which is applied in the field of space-based space target optical imaging to achieve the effects of high calculation accuracy and convenient operation.

Inactive Publication Date: 2014-12-17
SHANGHAI ENG CENT FOR MICROSATELLITES
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Problems solved by technology

[0004] The object of the present invention is to provide a space-based space target imaging simulation method and device, through the STK/Matlab joint simulation planning, make full use of the precise orbit extrapo

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  • Imaging simulation method and device for space-based space target
  • Imaging simulation method and device for space-based space target
  • Imaging simulation method and device for space-based space target

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[0017] The specific implementation of the space-based space target imaging simulation method and device provided by the present invention will be described in detail below with reference to the accompanying drawings.

[0018] See figure 1 , The imaging simulation method of space-based space targets of the present invention includes the following steps: S11: call the interface function stkInit to interconnect and initialize STK and Matlab; S12: call STK / Connect in the STK to build the scene through the Matlab command line, and proceed Parameter settings, the parameters include the attitude and orbit of the target star and the surveillance star, and the imaging time period of interest; S13: call STK / Connect through the Matlab command line to build the illumination angle and the relative vector of the surveillance star pointing to the target star; S14: output location The two-satellite rendezvous relative information with a preset step length in the imaging time period; S15: obtainin...

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Abstract

The invention provides an imaging simulation method and an imaging simulation device for a space-based space target. The method comprises the following steps: (1) calling an interface function stkInit to perform interconnection and initialization on an STK (Satellite Tool Kit) and a Matlab (matrix laboratory); (2) calling STK/Connect in the STK through a Matlab command line to build a scene, and setting parameters, wherein the parameters comprise attitudes and orbits of a target satellite and a monitoring satellite, and a focused imaging time period; (3) calling the STK/Connect through the Matlab command line to build an illumination angle and a relative vector of the monitoring satellite pointing at the target satellite; (4) outputting two-satellite rendezvous relative information with preset step length in the imaging time period; (5) acquiring an imaging arc section according to the two-satellite rendezvous relative information. By virtue of the combination of the accurate orbit extrapolation capacity of the STK and the flexible programming capacity and data-handling capacity of the Matlab, the focused information of space-based imaging can be comprehensively simulated and calculated, the calculation accuracy is high, and the operation is convenient.

Description

technical field [0001] The invention relates to the technical field of space-based space target optical imaging, in particular to a space-based space target imaging simulation method and device. Background technique [0002] Space target optical imaging simulation is of great value and significance in the development of space-based optical observation system. There are mainly two methods in the existing space-based space target imaging simulation planning technology. The first method: use the Access module in STK (Satellite Tool Kit) to conduct visibility analysis, and then determine the imaging arc segment; this method is mature, easy to operate and has high calculation accuracy, but it can only output Information such as the relative distance, relative azimuth angle, and relative elevation angle of the satellite cannot be given such information as the sun's illumination angle, azimuth angle rate, elevation angle rate, and satellite sub-satellite point latitude that are co...

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Application Information

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IPC IPC(8): G06F17/50
Inventor 朱永生苏瑞丰胡海鹰郑珍珍张科科周美江李宗耀盛蕾
Owner SHANGHAI ENG CENT FOR MICROSATELLITES
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