The effect of amplitude and phase error on the performance of receiver is discussed in this paper, and a method of digital correction based on FIR filter is proposed.
本文仔细分析了幅相误差对接收机性能的影响，提出了基于FIR滤波的一种数字域校正的方法。
In order to satisfy the amplitude response of the filter, we add constraints of amplitude on different frequency bands, and analyze the influence of the maximal amplitude error on the design results.
为满足滤波器的幅值响应要求，分别给不同频带加入幅值约束，并分析了最大幅值误差参数对设计结果的影响。
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