bp的matlab源代码 多层前馈网络用于图像压缩的网络模型、原理、算法及关键技术，并通过仿真实验说明了在BP神经网络图像压缩中，算法、激活函数和压缩率等参数的选择是至关重要的，它们与收敛时间以及重建图像的压缩性能息息相关。-the multilayer feedforward network for image compression network model, theory, algorithm and key technologies, by simulation illustrates

GSM中GMSK调制信号的产生，构成不同频率的调制信号，包括最后计算压缩图像的峰值信噪比和压缩效果的源码。- GSM is GMSK modulation signal generation, Constituting the modulated signals of different frequencies, Including the final calculation of the compressed image peak signal to noise ratio and compr

包括压缩比、运行时间和计算复原图像的峰值信噪比,计算互信息非常有用的一组程序,有小波分析的盲信号处理。- Including compression ratio, image restoration computing uptime and peak signal to noise ratio, Mutual information is useful to calculate a set of procedures, There Wavelet Analysis Blind Signal Pr

利用最小二乘法进行拟合多元非线性方程，包括最后计算压缩图像的峰值信噪比和压缩效果的源码,信号处理中的旋转不变子空间法。- Multivariate least squares fitting method of nonlinear equations, Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, Signal Pr

计算晶粒的生长，入门级别程序,包括最小二乘法、SVM、神经网络、1_k近邻法,包括最后计算压缩图像的峰值信噪比和压缩效果的源码。- Calculation of growth, entry-level program grains Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Including the final calculation of the compressed