envelop

本程序主要是对于圆阵列下的角度进行估计，效果很好(This procedure is for the circular array of point of view is estimated that well)

DWT of image using haar wavelet

里面有对img格式文件的读取方式，还有对图像进行低通和高通滤波的方法。(There is on img file format, and read the image low-pass and high-pass filter method.)

比较matlab中ceil()、floor()、round()等的量化误差大小。并比较不同的量化位数的误差(Compare matlab in ceil (), floor (), round (), etc. quantization error size. And comparing different error of quantization bits)

在Matlab/Simulink中搭建的步进电机、单相异步电机、直流无刷电机三种驱动系统的仿真模型，来对比仿真其速度响应动态性能(In Matlab/Simulink to build the step into the motor, single-phase asynchronous motor, DC brushless motor drive system simulation model, and compared the simulation speed of dynamic response performance of a)

使用Matlab软件，借助GUI控制台提取照片RGB。可求取植物或植被的物候。(Extract RGB Value by Matlab software)

浊音的对数幅度谱，短时过零率，平均能量，基音周期(Logarithmic amplitude spectrum voiced, short zero-crossing rate, average energy, pitch period)

用MATLAB计算Zernike矩，用于不变量特性的研究。适用于图像处理。(Using MATLAB computing Zernike moments for invariant features of. Applied to image processing.)

利用matlab软件平台生成音乐音符，7个音符，不同的乐器实现(create a music tone)

经典的功率谱估计方法，包含自相关法，周期图法(The classic power spectrum estimation methods, including autocorrelation, periodogram)