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针对测角系统数字信号处理过程中始终存在因截断处理引起测角系统累积误差的问题,提出一种冗余再分配算法,并在推导该算法数学表达式的基础上;通过两种常用的测角系统验证其可行性。结果表明,经过有限次的分配处理后,在字长有限的数字信号处理单元中,该方法能够消除测角系统中的累积误差,保障测角系统输出数字信号的正确性,有利于提高测角系统的性能。
Aiming at the problem of the accumulated errors caused by the truncation process in the digital signal processing of the goniometry system, a redundant redistribution algorithm is proposed. Based on the mathematical expression of the algorithm, Angular system to verify its feasibility. The results show that the method can eliminate the accumulated error in the goniometry system and ensure the correctness of the output digital signal in the goniometer system after the finite number of allocation processing. System performance.