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To solve the problems in the tracking performance test of Ka-band Low Earth Orbit (LEO) remote sensing satellite data receiving system, a new method is proposed. Simulation data is generated by u-sing Ka-band LEO satellite, and dynamic target tracking is simulated with the method of tracking Ka-band beacon on the calibration tower by rotating the third axis of antenna. A verification test on tracking performance of receiving system is carried out in the developed prototype system. The proposed method provides a reference for acceptance test for Ka-band LEO satellite data receiving system. [ABSTRACT FROM AUTHOR]

According to technical requirements of intelligence and automation for fault diagnosis of remote sensing satellite receiving system, fault characteristics of system is analyzed and the architecture of fault diagnosis expert system is presented. Through analysis of the system equipment monitoring information and task flow, the establishment and analysis of the fault tree, using production rule for knowledge representation, the knowledge base of fault diagnosis expert system is established and fault location is realized by heuristic model of forward reasoning. The fault diagnosis expert system is used in actual engineering projects and has improved the fault diagnosis efficiency of remote sensing satellite receiving system. [ABSTRACT FROM AUTHOR]