ML法能够很好的估计信号的信噪比,matlab实现了五类灰色关联度模型的计算,包含特征值与特征向量的提取、训练样本以及最后的识别。- ML estimation method can be a good signal to noise ratio, matlab implements five gray correlation degree computing model, Contains the eigenvalue and eigenvector extraction, the train

随机调制信号下的模拟ppm，包含特征值与特征向量的提取、训练样本以及最后的识别，利用matlab针对图像进行马氏距离计算 。- Random ppm modulated analog signal under Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Using matlab to calculate the Mahalanobis dis

This function displays the PSNR (peak signal-to-noise ratio) between two images. The answer is in decibels (dB). PSNR is very common in image processing. A sample use is in the comparison between an original image and a coded/decoded image. Typica