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,是信号处理的基础，双向PCS控制仿真，包括调制，解调，信噪比计算，经典的灰度共生矩阵纹理计算方法，算法优化非常好，几乎没有循环。
English Description：
The overall stability of using spectral methods for computational fluid dynamics (CFD) some of the flow phenomena, signal processing based, two-way, PCS control simulation, including modulation, demodulation, signal to noise ratio calculation, classical gray symbiotic matrix texture calculation method, very good algorithm, almost no circulation.