fdtd

OCR system with neural network

将MATLAB生成的图表，数据和.fig等结果文件导出到其它文件中，(This function saves a figure or single axes to one or more vector and/or bitmap file formats, and/or outputs a rasterized version to the workspace, with the following properties: - Figure/axes reproduced as it appears on screen - Cropped borders - Embedded fonts (vector formats) )

code to get optical flow using normalized cross correlation

光伏并网逆变器电压电流双闭环，含有最大功率跟踪。(PV grid connected inverter voltage and current double closed loop, containing the maximum power tracking)

am and fm modulation

希尔伯特黄变换中的第一步EMD的matlab代码，希望对大家有用。(Hilbert-Huang transform in MATLAB code for the first step of EMD, hope useful to everybody)

LDPC编码，BPSK调制，AWGN信道，译码，可以仿真出误码率曲线(LDPC coding, BPSK modulation, AWGN channel decoding, the BER curves can be simulated)

BP神经网络的网络模式识别程序包括网络训练程序chap7_2a.m和网络测试程序chap7_2b.m(BP neural network pattern recognition program networks, including network training procedures chap7_2a.m and network testing procedures chap7_2b.m)

利用MATLAB中的GUI（图形用户界面），实现图像的频率位移变换、加入高斯噪声、图像平滑、离散余弦变换、图像反转，并设计了退出按钮(In MATLAB GUI (graphical user interface), to achieve the image displacement transducer frequency, adding Gaussian noise, image smoothing, discrete cosine transform, image reversal, and designed the Exit button.)

image processing and matlab application