运用自适应过滤法来对数据进行预测，对于给定阶数的系数，每次预测值与真实值比较，计算残差，直至残差几乎不变化，可以得到比较好的系数，(Using adaptive filtering method to predict data, for a given number of coefficients, each prediction value is compared with the real value, the residual error is calculated until the r