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基于BP神经网络的字符识别算法源代码，包括网络仅值训练方法，训练是通 过调用34个字符文件夹，识别率达到99.8 。(BP neural network-based character recognition algorithm source code, including the value of the network only training methods, training is by calling the 34-character file folders, the recognition rate of 99.8 .)

说明：  重力资料处理异常分离来分离区域异常和局部异常(Gravity anomaly separation of data processing to separate regional anomalies and local anomaly)

缺失部分方位信息的辐射计阵列有源校正 (Radiometer array azimuth information of the missing part of the active correction)

The program is related to line simplification the given line

这个代码的主要作用是练习用的，可以用它来练习，然后得到提高(The code is based on Practice，so we can use it to make some improvement and maybe it can realize some new functions)

This program plots sensitivity of OFDM subcarriers with Carrier frequency offset(CFO)

2D Multi-Parameter Pie Control

MATLAB对数字信号进行均值滤波，尤其是对数字图像(MATLAB for digital signals mean filter, especially for digital images)

用cfd解1一维Riemann问题，采用二阶精度两步差分格式进行数值求解(Cfd solution with a one-dimensional Riemann problem, the use of second-order accurate numerical solution of the two-step difference scheme)

5阶delta-sigma Matlab仿真(Fifth-order delta-sigma Matlab simulation)