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(一)引言雷达测距编码,是脉冲雷达测距系统中的核心部分。对于雷达的最大作用距离,所对应的时间T_(rmax)小于雷达发射脉冲的重复周期时,它是以测量目标回波,对雷达发射脉冲的迟后时间T_r来确定目标的距离的,其关系式如下:
(A) Introduction Radar ranging code, pulse radar ranging system is the core part. For the maximum range of radar, when the corresponding time T rmax is less than the repetition period of the radar transmitting pulse, it is to measure the target echo and to determine the target distance from the radar transmitting pulse lag time T_r The formula is as follows: