As one high order spectrum estimation, bispectrum estimation is widely used.
双谱估计是一种应用广泛的高阶谱估计。
The definitions and the estimation algorithm of the 1(1/2) dimension spectrum and the high-order cumulation are introduced.
介绍了三阶累积量和1（1/2）维谱定义及估计算法。
The method of phase data time delay estimation based on high order spectrum is put forward.
本文提出了一种利用高阶谱相位数据进行时延估计的新方法。
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