However, due to the imperfect of the DBF system, the amplitude and phase error between channels or in different carry frequencies will cause a serious degradation in performance. In this thesis, focused on DBF system, channel calibration technique is studied.
但是实际使用时,由于通道幅相误差的存在会引起系统性能的下降,使其长处难以发挥。
参考来源 - DBF系统中的通道校准技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
This paper mainly describes the amplitude and phase errors caused by zero-order holder and the error caused by finite word length of D/A, and computer simulation test of D/A error is also introuced.
针对零阶保持器引起的幅度误差和相位误差，以及D/A转换器有限字长引起的误差进行了较为详细的分析，并进行了D/A误差仿真试验。
Amplitude gain and phase error would lead to performance degradation of high-resolution parameter estimation algorithms; especially the phase errors will cause deviation of parameter estimation.
幅度增益和相位误差使得高分辨率的参数估计算法的性能下降，特别是相位的误差，将会引起参数估计的偏离。
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