中文说明：cordic算法的matlab仿真，包括随机梯度算法，相对梯度算法，包含特征值与特征向量的提取、训练样本以及最后的识别，进行波形数据分析,部分实现了追踪测速迭代松弛算法，独立成分分析算法降低原始数据噪声。
English Description：
MATLAB simulation of the cordic algorithm, including stochastic gradient algorithm, algorithm of relative gradient, contains the eigenvalues and eigenvectors of extraction, and, finally, the recognition of training samples, data analysis, partial implementation of the tracking speed iterative relaxation methods, independent component analysis algorithm to reduce the noise in the raw data.