包括AHP，因子分析，回归分析，聚类分析，音频信号通过LM386放大，sar图像去噪的几种新的方法。- Including AHP, factor analysis, regression analysis, cluster analysis, LM386 audio signal amplification, Several new methods sar image denoising.

用于图像处理的独立分量分析，音频信号通过LM386放大，基于分段非线性权重值的Pso算法。- Independent component analysis for image processing, LM386 audio signal amplification, Based on piecewise nonlinear weight value Pso algorithm.

音频信号通过LM386放大，仿真图是速度、距离、幅度三维图像，FIR 底通和带通滤波器和IIR 底通和带通滤波器。- LM386 audio signal amplification, FIG simulation speed, distance, amplitude three-dimensional image, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.