Through removing mean and frequency spectrum correction, the measurement precision of system is improved.
采用去均值和频谱校正的方法，改善了系统的测量精度。
For improving the precision of the frequency measure, presents a frequency measure algorithm by integrating automatic adjusting the sampling parameter and spectrum correction.
为提高频率测量精确度，提出一种自动调整采样参数与频谱校正相结合的频率测量算法。
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