test_2

These routines scramble an audio file by moving around short, overlapping windows within a local window. They can be used to create new versions of existing recordings that preserve the spectral content over longer time scales, but remove structure at shorter timescales. This can be useful e.g. for making speech unintelligible. Routines are also included to shuffle Gammatone subbands independently, for further scrambling.

经典的MUSIC算法可对非相干信号实现很好地估计，在相干信源的情况下经典的MUSIC算法失效，无法准确估计出信源波达方位角度。引入空间平滑技术来对相干信号进行预处理,以减弱或消除信号之间的相干性，改进后的MUSIC算法能对相干信号的DOA 实现精确估计。(The classical MUSIC algorithm can achieve a good non-coherent signal is estimated that in the case of coherent sources the classic MUSIC algorithm is disabled, can not accurately estimate the source azimuth angle of arrival. Spatial smoothing technique to the introduction of coherent signals pretreatment to weaken or eliminate the coherence between the signals, the modified MUSIC algorithm for DOA of coherent signals to achieve precise estimates.)

单极性SPWM控制和逆变器主电路的仿真模型 就基波性能来讲，单极性SPWM在线性调制下谐波性能优于双极性调制(Single polarity SPWM control and inverter main circuit simulation model In terms of its fundamental properties, single polarity SPWM modulation in the linear harmonic performance is superior to the dual polarity modulation )

NumericalMethods in Engineering withMATLAB® is a text for engineering students and a reference for practicing engineers, especially those who wish to explore the power and efficiency of MATLAB. The choice of numerical methods was based on their relevance to engineering problems. Every method is discussed thoroughly and illustrated with problems involving both hand computation and programming. MATLAB M-files accompany each method and are available on the book web site. This code is made simple and easy to understand by avoiding complex book-keeping schemes, while maintaining the essential features of the method. MATLAB, was chosen as the example language because of its ubiquitous use in engineering studies and practice. Moreover, it is widely available to students on school networks and through inexpensive educational versions.MATLAB a popular tool for teaching scientific computation.

建模相当有用的算法：求算最短路经算法，建模的兄弟可用(Very useful in modeling algorithm: calculating the shortest path algorithm)

基于细化算法的骨架提取算法，内涵测试图像，效果较好(Refinement algorithm based on the frame extraction algorithm,the effects is well)

功率谱分析，经过修改的，yuler_walke、welch、relax、相关图、周期图等(Power spectrum analysis, modified, yuler_walke, welch, relax, related maps, cycle map)

DFS以及海明窗汉宁窗的各种实例代码。对学习matlab很有帮助(DFS work hanming hainig matlab)

说明：  基于matlab平台的海明码例程，自带人机交互图像界面(Hamming code routine based on MATLAB platform, with man-machine interactive image interface)

说明：  这是一本精通Matlab的电子书，这本书深入浅出的讲述Matlab这个工具的使用。(This is a proficient in Matlabs books, this book describes in simple terms the use of this tool Matlab.)