旋转机械二维全息谱计算，有均匀线阵的CRB曲线，基于互功率谱的时延估计，模拟数据分析处理的过程，阵列信号处理的高分辨率估计，可以广泛的应用于数据预测及数据分析。- Rotating machinery 2-d holographic spectrum calculation, There ULA CRB curve, Based on the time delay estimation of power spectrum, Analog data analysis processing, High-resolution array signal processing estimates, Can be widely used in data analysis and forecast data.