dct

matlab图像处理的一些命令，还有使用的例子，对图像处理初学者应该会有帮助的(matlab image processing commands, there are examples of the use of image processing should be helpful for beginners)

说明：  通信系统中一种常见的数字调制方法，16—QAM调制(QAM)

02. 宽带采样信号侦察实验 —————————————— Matlab: specgram, pwelch函数 Cooledit软件 测试数据：FMT_INT16_FS_100M.dat，采样率100MHz，数据格式INT16 例程：Demo_STFT.m (02. 宽带采样信号侦察实验 —————————————— Matlab: specgram, pwelch函数 Cooledit软件 测试数据：FMT_INT16_FS_100M.dat，采样率100MHz，数据格式INT16 例程：Demo_STFT.m ——————————————)

连续潮流：又称为延拓潮流，是电力系统电压稳定性分析的有力工具，它通过在常规潮流基础上引入一个负荷增长系数来克服雅可比矩阵奇异，从而克服接近稳定极限运行状态时的收敛问题，解决了常规潮流在崩溃点外无解和在崩溃点附近不能可靠收敛的问题。(Continuous flow: also known as extension tide, is a powerful tool for system voltage stability analysis of power, it is by introducing a load factor in the growth trend basis to overcome the conventional Jacobian matrix is ​ ​ singular, thus overcoming the convergence close to steady state operation of the limit problem, to solve the conventional trend points outside the crash and no solution can not be reliably near the breaking point of convergence problems.)

IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for Broadband Wireless Access Systems

黄金分割法求极小，返回值fm为函数极小值，tm为极小值点，f为给定函数，t为函数变量，[a,b]为变量t的搜索区间(Golden section method is extremely small, the return value for the function fm minimum, tm for the minimum point, f for a given function, t for the function of variables, [a, b] for variable search interval t)

说明：  Adaptive Watermarking

专家PID与普通PID的比较，说明专家PID优于普通PID(Compared with common PID, expert PID expert PID is better than the ordinary PID )

说明：  bp神经网络对字母的识别，在matlab里运行，并且附带程序和运行后的图像，(The bp neural network recognition of letters, running in the matlab, and the supplementary program and after the operation of the image,)

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