spectral lineＳ短语⁸⁴³²⁰⁺⁸ 基本例句 光谱线 光学 The simulation results show that for this algorithm there is no bias in the frequency estimation, and the spectral line splitting is very week and the spectral resolution is high. 计算机仿真表明，用这种方法进行谱估计，不会产生谱漂移现象，谱分裂得到明显减弱，而且还具有很高的频率分辨能力。 cnki