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SAR load satellite radiation model star design method

A technique of radiation model and design method, which is applied in the field of satellite radiation model stars, can solve problems such as inconsistency of radiation model stars and lack of radiation model star design methods, and achieve the effects of reducing size, design cost, and size

Pending Publication Date: 2021-02-23
BEIJING INST OF SPACECRAFT SYST ENG
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Problems solved by technology

In terms of cost-effectiveness and demand, the radiation model star cannot be completely consistent with the structure, antenna and radio frequency system of the actual satellite. Therefore, it is necessary to simplify and optimize the design of the actual satellite plan to become a radiation model star. There is no radiation at present. Design method of model star

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  • SAR load satellite radiation model star design method
  • SAR load satellite radiation model star design method
  • SAR load satellite radiation model star design method

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Embodiment Construction

[0054] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0055] The present invention provides a kind of SAR load satellite radiation model star design method, the design content and process of SAR load satellite radiation model star of the present invention are as follows figure 1As shown, including SAR load large reflector antenna impact assessment, satellite body model design, planar near-field test model design, spherical near-field to ground test model design, spherical near-field to sky test model design and radiation model star test state design .

[0056] Step 1: SAR payload reflector antenna impact assessment. Due to the large size of the SAR load reflector antenna, it is difficult to have enough space to carry the SAR load reflector during the ground test, and the processing cost of the large reflector antenna is too high. Therefore, when designing a radiation model satellite, it is first necessary t...

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Abstract

The invention discloses an SAR load satellite radiation model star design method, which comprises SAR load large reflector antenna influence evaluation, satellite body model design, planar near-fieldtest model design, spherical near-field to ground test model design, spherical near-field to sky surface test model design and radiation model star test state design. Through the design method provided by the invention, the satellite model for verifying the antenna performance and the compatibility between the antennas of the satellite radio frequency system can be provided.

Description

technical field [0001] The invention belongs to the technical field of satellite radiation model stars, and in particular relates to a design method for SAR payload satellite radiation model stars. Background technique [0002] For microwave payload satellites, the radio frequency system of the satellite system is often more complicated. However, due to the complexity of the system, the satellite needs to design and install a large number and various types of antennas in a relatively small space. The microwave antenna layout of the platform and payload directly affects the working performance index of the satellite radio frequency system. Therefore, the deviation of performance indicators of various antennas after being installed on the satellite, and whether various antennas can work compatible after being installed on the same platform, all need to be effectively evaluated in the early stage of satellite design. [0003] For high-orbit SAR payload satellites, in order to...

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Application Information

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IPC IPC(8): G06F30/15G06F30/20
CPCG06F30/15G06F30/20
Inventor 张玉廷杨小勇樊勇肖淼王振兴陈大羽刘立平赵秉吉
Owner BEIJING INST OF SPACECRAFT SYST ENG
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