基于互功率谱的时延估计，一种噪声辅助数据分析方法,有信道编码，调制，信道估计等，阐述了负荷预测的应用研究,基于chebyshev的水声信号分析。-Based on the time delay estimation of power spectrum, A noise auxiliary data analysis method, Channel coding, modulation, channel estimation, It describes the application of load forecasting, Based chebyshev underwater acoustic signal analysis.