RGB

小波变换加VQ语音识别程序。用小波变换来提高语音特征的性能，从而提高VQ算法的识别率(Wavelet transform plus VQ speech recognition program. Using wavelet transform to improve the performance of speech features to enhance the recognition rate of VQ algorithms)

这是关于msk的调制解调的程序。用积分的方法进行调制 程序的最后还给出了误码率的计算。(This is on the MSK modulation and demodulation process. Integral approach to modulation the end of the process also gives the bit error rate calculations.)

输入相关参数，便可求得函数的二阶累积量，使得复杂计算过程得到避免(Input parameters, the function of the second order cumulant can be obtained, making complicated calculation is avoided )

化工上的程序控制 系统：二阶串联回馈热搅拌器，使用2个热交换器分别对2个串联的搅拌槽加热。 控制策略：我们将利用2个控制阀来控制热交换器，以维持T2和T4的温度在理想的控制范围之内 可计算：GP，GV，GC，误差值时，PID 可做动态测试 附上文件操作及说明档(Chemical process control on System: Second-order hot mixer series feedback, the use of two heat exchangers in series, respectively, for two stirred tank heating. Control strategy: We will use the two control valves to control the heat exchanger to maintain the temperature in the T2 and T4 within the scope of the ideal control Calculated value: Gp, Gv, Gc, the error value, PID Dynamic testing can be done Attach file operations and help files)

对粒子滤波实现的很好，很实用的matlab实现程序，望广大学习者放心使用。(Particle filter to achieve good, very practical realization of the matlab program, hope the majority of learners at ease.)

演示MA序列的特征值、自协方差函数和谱密度。程序是开放的，可以修改参数(MA eigenvalues ​ ​ demo sequence, since covariance function and spectral density. The program is open, you can modify the parameters)

可实现鱼眼校正功能，主要包括有效区域的提取与鱼眼校正(The function of ROI extract and fisheye correction is written by matlab)

在平滑信号中加入高斯分布的白噪声，然后用db4小波函数进行多尺度分解，滤除白噪声，将滤波前后的图进行对比(Add the Gaussian distribution of the white noise in the smoothed signal, and then multi-scale decomposition db4 wavelet function, the filtered white noise, comparing before and after filtering)

1.产生正弦信号，方波信号，均匀噪声； 2.信号的叠加； 3.信号的相关分析； 4.信号的卷积； 5.信号的和； 6.信号的频谱图。(1. Generate sine signal, square wave signals, uniform noise 2. Signal superposition 3. The signal correlation analysis 4. The convolution of signal 5. The sum of signal 6. The signal spectrum.)

一 维 时 域 有 限 差 分 法 MATLAB 代 码(One-dimensional finite difference time domain method MATLAB code)