研究目的
To study the imaging method of 3-D ASRs to promote the development of passive microwave remote sensing based on satellites formation flying.
研究成果
The paper concludes that the derived complete formulation of visibility functions and the proposed reconstruction method for 3-D ASRs are correct and stable, suitable for earth observation based on satellites formation flying in low earth orbit. It also suggests that some mature techniques developed for 2-D ASRs may be applied to 3-D ASRs.
研究不足
The study acknowledges the challenge of controlling all small satellites in a coplane in orbit and the difficulty of avoiding collisions when changing the configuration of the synthesized array. It also notes the nonnegligible effects of system imperfections due to the large field of view in earth observation.
1：Experimental Design and Method Selection:
The methodology involves deriving the complete formulation of visibility functions for a 3-D ASR, including system imperfections, and studying the reconstruction method for a practical 3-D ASR.
2：Sample Selection and Data Sources:
The study uses numerical simulations to validate the proposed imaging method.
3：List of Experimental Equipment and Materials:
The simulation involves a 3-D array composed of 60 elements, each a circularly polarized horn with an aperture of
4：5λ. Experimental Procedures and Operational Workflow:
The simulation includes computing visibility samples, applying the proposed reconstruction method, and comparing results with the G-matrix method.
5：Data Analysis Methods:
The analysis involves assessing the performance of the proposed reconstruction method through numerical simulations and comparing it with existing methods.
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