The data analysis has to compensate for the Doppler shift to make any signal as sinusoidal as possible, which helps pull it out of the noise (with something based on a Fourier transform).

• 数据分析中比较对多普勒偏移进行补偿以使信号尽可能地接近正弦曲线，以方便从噪音中提取真正的信号（通过傅立叶变换）。