【摘要】 为完成风云二号卫星三点测距任务，研制了ＣＤＡＳ主站测距机。介绍了测距机的用途和功能，叙述了侧音测距原理和距离测量过程，给出了测距机性能指标和系统组成，设计了一纯侧音测距体制的测距机方案，讨论了方案设计的技术特点及其达到的性能。更多还原

【Abstract】 In order to accomplish the trigonomotric ranging of FY2 meteorological satellite,the ranging instrument has been developed.This paper introduces the functions and application of the ranging instrument,describes the principle of ranging with multi sidetone and measurement procedure,and also gives the characteristic and composition of the system.A pure sidetone ranging system was designed,and the specification and performance of this system was discussed.更多还原