立足于信号的参数化模型—多分量多项式相位信号，提出了一种新的时频分布并给出了其构造方法。
Based on parametric model of signal-multicomponent polynomial phase signal, a novel time frequency kernel is presented.
本文利用双谱分析方法，提出用非高斯ar模型对雷达目标回波信号进行参数化双谱估计。
With bispectrum analysis, an ar model parametric bispectrum estimation is presented for radar target echoes.
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