SPWMinverter3P_Final

说明：  This code is related to the course Digital Communications. It easily reproduces the error probability as a function of the SNR per bit for QPSK and 16-QAM systems using MATLAB

对信号进行加窗分析，分别对信号加矩形窗、汉明窗进行傅里叶变换后分析加窗后的信号的频谱图，与原信号对比(To add window analysis of signal, the signal respectively and the rectangle window, hamming window and window after Fourier transform analysis of signal spectrum, and compared with the original signal)

广义交叉验证函数(GCV) 广义交叉验证函数是用随机的方法对于一个给定的值A的正则化参数的计算。(Generalized cross-validation function (GCV) generalized cross validation function is stochastic method for a given value A regularization parameter calculations.)

基于小波变换的图像阈值去噪的matlab代码，可以实现硬阈值，软阈值以及一种自适应阈值算法并且完成他们的对比；(One kind matlab code image threshold denoising based on wavelet transform can be achieved hard threshold and soft threshold and an adaptive threshold algorithm and complete their contrast )

插值算法，具体使用方向为高斯插值，Kriging插值可以参考(Interpolation algorithm, the specific direction of the Gaussian interpolation, Kriging interpolation can refer to)

基于MATLAB的模式识别的贝叶斯决策，处理水环境分类问题，共分为5类，最后得出五类总的识别率。 (Bayesian decision pattern recognition based on MATLAB, the problem of classification of water environment treatment, is divided into 5 categories, finally obtains five kinds of total recognition rate. )

图像频谱分析MATLAB程序，适合于所有需要的波形(Image spectrum analysis MATLAB program)

1. To design FIR filters in MATLAB to achieve various types of frequency selectivity, e.g., lowpass, highpass，bandpass, etc 2. To verify the frequency response of the designed filters in MATLAB 3. To implement the designed FIR filters using C6713 DSK and 4. To perform real-time testing of the performance of the designed FIR filters.

利用canny算子分割图像，得到修正的跳频信号的二值化时频图(Use canny operator image segmentation, frequency hopping signals corrected binarized time-frequency diagram)

实现信号的eemd分析，呈现其波动趋势，是继小波分析之后的又一信号分析利器(Emd achieve signal analysis, showing its fluctuation, wavelet analysis is the second after another signal analysis tool)