An approach is proposed for producing a multi-colored noise from red noise to green one, and the correlation and spectral functions of this noise are given.

阐述了一个产生从红噪声到绿噪声的多色噪声源的途径，给出了这种噪声的关联函数和谱密度。

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For the problem of the parameter estimation of multi-component chirp signal in the additive colored noise, a method based on phase difference and time-frequency signal filter was proposed.

针对加性色噪声背景下的多分量线性调频信号参量估计问题，提出了基于相位差分的时频子空间方法。

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