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在这一部份中,系统地讨论了复合测距码的设计思想,全面地论述了这种码子的设计方法,并通过对两个实用系统的剖析,阐明了所述设计思想和方法的适用性。§1—1 脉冲雷达与连续波雷达宇宙飞行技术的出现给雷达技术提出了全新的任务。例如,为保证同步卫星准确同步,要求雷达作用距离达到4万公里,测距精度最好优于1米左右;为实现登月旅行,雷达作用距离应达
In this part, the design idea of compound ranging code is discussed systematically, and the design method of this code is discussed comprehensively. Through the analysis of two practical systems, the application of the design ideas and methods is illustrated Sex. §1-1 Pulse radar and continuous wave radar The advent of space technology has given radar technology a whole new task. For example, in order to ensure the accurate synchronization of synchronous satellites, it is required that the radar range should reach 40,000 km and the ranging accuracy be better than 1 meter; in order to realize lunar travel, the radar range should be up to