原图象加上水印-dct1_embed

使用MATLAB对十六进制字符串进行转换，转换成分贝数的比特流，用于多媒体音频处理（仅供大家参考）(using matlab to convert hexadecimal string to a stream of bytes in decibel numbers，for multimedia audio processing)

说明：  运用高斯积分法计算一维二维三维函数的数值积分(Gaussian integration method using two-dimensional three-dimensional function of one-dimensional numerical integration)

关于一维直流电测深的人机交互反演程序代码(One-dimensional electrical sounding human-computer interaction inversion code)

FSK调制解调MATLAB源代码,包含经过信道的实际信号,相干解调后的信号的眼图，非相干解调后的信号的眼图等内容。(FSK modulation and demodulation MATLAB source code, contains the actual signal after channel coherent demodulation signal eye diagram, non-coherent demodulation signal eye diagram.)

md1 source code files

simulink Urban City in matlab

图像二值化，边缘提取包含sobel、log、canny等方法，还有图像直方图均衡化，对比度增强等(Image binarization, edge extraction includes sobel, log, canny and other methods, as well as image histogram equalization, contrast enhancement and so on.)

FNN matlab实现十分详细，可以直接运行(FNN matlab realize very detailed, you can directly run)

信号处理基于MATLAB的信号处理实验,相关卷积,是处理信号,提取有用信号打压干扰信号的有用代码(Signal processing-based MATLAB signal processing experiments related convolution is the processing of signals, extraction of useful signal to suppress interference signals useful code)

利用MATLAB实现了跳频信号的调制和解调，给出了频谱图。(The use of MATLAB implementation of the frequency hopping signal modulation and demodulation, give the frequency spectrum.)