高频的频率边带由于幅度交叠的部分较少，所以对强度起伏贡献较少。
The higher frequency sidebands would have less contribution to the fluctuation due to smaller amplitude overlapping.
本文讨论了大气湍流引起的强度起伏和相位起伏对激光雷达跟踪系统测角精度的影响。
In this peper, it is discussed about the laser radar's angular tracking errors caused by atmospheric turbulence which results in intensity fluctuation and phase fluctuation.
结果表明，在堆积脉冲的强度谱中存在一系列分立的频率边带，这些频率边带对强度起伏有贡献。
The results show that there are several separated frequency sidebands in the intensity spectrum of the stacked pulse, responsible for the intensity fluctuation.
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