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matlab常用的程序算法集，对学习matlab数值计算有很大的帮助(set of commonly used program algorithm matlab, matlab numerical learning a great help)

本程序主要用于DDS算法的验证,可以生成正弦波，占空比可调的方波，三角波；其中频率控制字可调，生成波形的频率也可调。(This procedure is mainly used for verification DDS algorithm, can generate sine wave with adjustable duty cycle square wave, triangle wave including adjustable frequency control word to generate adjustable frequency waveform.)

主要利用稳健方法比如迭代算法来对跳频信号在Alpha稳定分布噪声环境下进行参数估计(Main advantage of robust methods such as iterative algorithm for frequency-hopping signals Alpha stable distribution parameter estimation in noisy environments)

matlab code for X Steam, Thermodynamic properties of water and steam

根据2FSK调制器与解调器的组成原理，设计出整个2FSK传输系统的实现方案与电路(Based on composition theory 2FSK modulator and demodulator, the entire design implementation and circuit transmission system 2FSK)

利用自适应滤波的方法进行语音信号的降噪处理，适用于语音增强领域(The adaptive filtering method is used to denoise the speech signal, which is suitable for the field of speech enhancement.)

说明：  利用反步法实现路径跟踪，包括直线、椭圆，圆轨迹等(Path backtracking with backstepping)

Example: A = double(imread( fingerprint.png ))/255 B = coherencefilter(A,4, sigma ,1.5, rho ,5) image(min(max(B,0),1)) axis image [1] Weickert, J. 1996. Anisotropic Diffusion in Image Processing. Ph.D. Thesis, Dept. of Mathematics, University of Kaiserslautern, Germany, pp. 42-43, 80-82, 107. Pascal Getreuer 2008-2009

Matrix techniques for modelling ultrasonic waves in multilayered media。This paper presents a review of the main developments of the matrix techniques, and their use in response and modal models, with emphasis on ultrasonics applications(Matrix techniques for modelling ultrasonic waves in multilayered media)

根据初始信号，求出信号的小波包能量，并计算出重构信号与原始信号的均方根误差(According to the initial signal, obtained wavelet packet energy signal and calculates the reconstructed signal and the original signal RMSE)