cell_model_a

说明：  本上传讲解了傅里叶变换与频谱分析之间的关系，通过fft的到信号的频谱图(Explained the Fourier transform of the upload and spectral analysis of the relationship between the fft of the signal through the frequency spectrum)

说明：  matlab做的直流电动机双闭环调速系统仿真(qqqqqqqqqq)

BP算法用MATLAB语言的实现方法 文献内系统讲述了BP网络的定义 算法 建模和应用的知识，方便大家学习使用(BP Algorithm Implementation with MATLAB language)

一本还不错的编程指导书，初学者可以借助它全面系统地学习怎么用matlab(A pretty good matlab instructions, which can help with matlab programming)

implementing midpoint filter

有源电力滤波器，采用滞环控制方法以，直流侧电压为530V，最终波形显示很好 (Active power filter, a control method with hysteresis, DC voltage is 530V, the resulting waveform display good)

说明：  一种三维路径规划算法，将高分辨率网格简化为具有二次误差度量的低分辨率网格(A 3D path planning algorithm simplifies high resolution meshes to low resolution one with Quadric Error Metric, for example, simplifies a mesh with 10000 vertices to a mesh with 200 vertices)

MATLAB 频谱分析和快速傅里叶变换 数字信号处理 信号分析 信号提取(MATLAB FFT spectrum analysis and digital signal processing signal analysis Signal Extraction)

模态处理相关程序，包括时域，频率，自普，互普，相干，频响，时频分析，HHt，随机减量法等等，很不错，可以借鉴(Modal treatment-related procedures, including time domain, frequency, since the S & P, each P, coherence, frequency response, time-frequency analysis, HHt, random decrement method, etc., very good, can learn)

采用频域FFT变换实现对雷达回波信号的MTI处理，有效的提高信噪比，本程序是对这一过程的验证。(Using frequency domain FFT transform of radar echo signal processing on the MTI, effectively improve the SNR, the procedures for the process validation.)