chebyshev-2zhilainghua

用于实现灰度图像阈值分割的一维最大熵方法，matlab源程序(Used to achieve gray image threshold segmentation of the one-dimensional maximum entropy method, matlab source)

利用MATLAB实现信号的FFT变换 得到频域特性(Achieved using MATLAB FFT transform of the signal frequency domain)

说明：  故障时频域特征提取，前六阶CEEMDAN+初始信号时频域特征(Fault time-frequency domain feature extraction, first six-order CEEMDAN + initial signal time-frequency domain feature)

图像处理Matlab源代码，包括二维离散余弦变换的图像压缩，采用灰度变换的方法增强图像的对比度，直方图均匀化，模拟图像受高斯白噪声和椒盐噪声的影响。 (Including discrete cosine transform image compression, the use of gray-scale transformation method to enhance image contrast, histogram equalization, analog image by Gauss white noise and salt and pepper noise.)

提供了PID控制的几个MATLAB程序包括：增量式PID控制，PID极点配置控制，以及自校正PID控制。(Provides several MATLAB program of PID control includind: incremental PID control, PID pole placement control, and self-tuning PID control.)

finger print segmentation,基于matlab，无需修改，直接可用

Minimizes a function with the method of simulated annealing

MATLAB文件。《超宽带无线电基础》配套程序，第二章第二个例程。用于产生PAM编码。(MATLAB file. Ultra-wideband radio base matching program, the SECOND chapter of a routine. PAM for generating code.)

matlab求解半波天线,矩量法解双位方程，求直线天线表面电流分布 (matlab--antenau=u+I1(1,m).*sin(thita(1,n)).*exp(j*k0*z(1,m).*cos(thita(1,n))).*L/(N*lamda))

说明：  dijkstra算法对于最短路问题的求解(Dijkstra shortest path algorithm for solving the problem)