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本文分析了发射定时抖动和取样抖动对多脉冲杂波对消系统的影响,并求出由于定时抖动而产生的剩余杂波功率净增量的显式表示。发现均方误差的增量与抖动方差成正比,且两种抖动的作用几乎相等。所分析的系统可含有递归或非递归动目标显示器,柞为特例后者含有惯用的两脉冲和三脉冲对消器。看出由抖动引起的三脉冲对消器剩余杂波功率的增量比两脉冲对消器约高4.8dB。
This paper analyzes the impact of transmit timing jitter and sample jitter on multi-pulse clutter cancellation system, and obtains the explicit representation of the net increase of residual clutter power due to timing jitter. It is found that the increment of mean square error is proportional to the jitter variance, and the effects of the two jitter are almost equal. The system analyzed may contain a recursive or non-recursive moving target display, the exception being the oak containing the conventional two-pulse and three-pulse cancellers. It can be seen that the increment of the remaining clutter power of the three-pulse canceller caused by the jitter is about 4.8 dB higher than that of the two-pulse canceller.