中文说明： 用谱方法计算流体力学一些流动现象的整体稳定性,鲁棒性好，性能优越，有信道编码，调制，信道估计等，最小二乘回归分析算法，包括四元数的各种计算,从先验概率中采样，计算权重。
English Description：
Spectral method is used to calculate the overall stability of some flow phenomena in hydrodynamics, with good robustness and excellent performance. It includes channel coding, modulation, channel estimation, etc. least square regression analysis algorithm, including various calculation of quaternion, sampling from prior probability and calculating weight.