处理armada（2，3）的程序 可以比较自由处理因果可逆程序预报问题-Processing armada (2,3) process can be relatively free to deal with the issue of causal forecasting reversible process

All three kinds of Wiener Filters, FIR, Causal, Noncausal

研究生成用框图形式表示的因果无限冲激响应和有限冲激响应传输,有限冲激响应的实现,无限冲激响应的实现-Causal graduate to use in block diagram form infinite impulse response and finite impulse response transmission, finite impulse response of realization, infinite impulse response of realization