RADAR-sim

 利用fft()进行快速傅立叶变换，得到频谱，画出正弦函数及其频谱  找出频谱中使得Y轴取最大值时的估计频率记为ft  加入白噪声，绘出信噪比和均方误差的关系曲线 ( using fft () for fast Fourier transformation, spectrum, to draw the sine function and its spectrum  find the spectrum makes the Y-axis maximum value when the estimated frequency is denoted by ft  adding white noise, SNR plot and mean square error curve)

说明：  这是关于《深入浅出MATLAB7_X混合编程》的源代码共有七章内容(The code is about the book"The mix program of MATLAB7_X")

单频干扰陷波器源码。自适应陷波器,与一般陷波器比较，有两大优点：（1）能够自适应地准确跟踪干扰频率。 （2）容易控制带宽.(Single-frequency notch filter interference source. Adaptive Notch Filter, Notch Filter with the general comparison, there are two main advantages: (1) can be adaptively tracking the exact frequency interference. (2) easy to control bandwidth.)

四阶龙格-库塔算法的matlab程序实现(Fourth-order Runge-Kutta algorithm matlab program)

用几种函数实现傅里叶变换，变换后可输出图形(With several functions for Fourier transform, transform graphics output)

粒子群算法的matlab源代码，绝对可用！(Particle swarm optimization algorithm source code, absolutely free!)

比较经典的一个多核学习MKL代码（GMKL Generalized MKL），里面包含其对应的文章，很容易学习和调试！(Learn more classic a multicore MKL Code (GMKL- Generalized MKL), which contains the corresponding article, it is easy to learn and debug!)

图像去噪算法进行回顾，以崭新 之一。寻找有效的图像去噪方法仍然是一个有效的挑战，在 功能分析和统计数据的交叉(A REVIEW OF IMAGE DENOISING ALGORITHMS, WITH A NEW ONE.The search for efficient image denoising methods still is a valid challenge, at the crossing of functional analysis and statistics)

程序利用小波分解将声音信号分解为高频与低频部分，而后利用软阈值方法确定高频与低频各自的小波重构系数，将高频与低频部分重构还原信号达到降噪的目的。(Program using wavelet decomposition sound signal into high and low parts, then use soft threshold method to determine the high and low frequency coefficients of each wavelet reconstruction, reconstruction of the high and low frequency part of the purpose of noise reduction signal reaches.)

说明：  genetic algorithm with matlab