包含特征值与特征向量的提取、训练样本以及最后的识别，BP神经网络用于函数拟合与模式识别，车牌识别定位程序的部分功能，采用累计贡献率的方法，可以实现模式识别领域的数据的分类及回归，采用波束成形技术的BER计算，阵列信号处理的高分辨率估计，添加噪声处理。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, BP neural network function fitting and pattern recognition, Part of the license plate recognition locator feature, The method of cumulative contribution rate You can achieve data classification and regression pattern recognition, By applying the beam forming technology of BER High-resolution array signal processing estimates, Add noise processing.