The oversampling mechanism spreads the noise power across a wider frequency range. 过采样结构在较宽的频率范围内扩展噪声功率。
A power spectrum compensating algorithm is presented for frequency estimation of single sinusoids in colored noise at low SNR. 摘要针对色噪声条件下的低信噪比单音信号频率估计问题,提出了一种色噪声功率谱补偿算法。