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应用检相原理可以提取有限长度调制信号和估计频率.通过提高A/D转换器的位数,可提高检相分辨率,它与检测对象的运动速度无关.
The principle of phase detection can extract the finite length modulated signal and estimate the frequency by raising the number of bits in the A / D converter to increase the resolution of the phase detection, which is independent of the speed at which the object is detected.