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本文利用数值摄动理论中的后向误差分析法,研究自适应旁瓣对消系统A/D变换器量化误差和运算器运算舍入误差对阵性能的影响。文中提出的全后向分析法所得阵性能界比通常的权误差界估计的精度有极大提高,可应用于阵性能的定量估计。计算机仿真结果和理论分析一致性良好。
In this paper, we use the backward error analysis method in numerical perturbation theory to study the influence of the quantization error of the A / D converter and the rounding error of the arithmetic operator in the adaptive sidelobe cancellation system. The full-backward analysis method proposed in this paper has a much higher accuracy than the usual weight error bound estimation, which can be applied to the quantitative estimation of array performance. Computer simulation results and theoretical analysis of good consistency.