time_feature

This project describes identification of number plate from vedio.

几种esprit算法分析和研究的matlab源码(Several esprit algorithm matlab source code analysis and research)

matlab中线性不等式LMI工具箱的使用，中文版(matlab LMI toolbox in the use of linear inequalities)

MATLAB实现的伽罗华域乘法，在AES的安全算法中应用到(MATLAB implementation Galois field multiplication, in the AES security algorithm applied to the)

hough变换检测椭圆，对于边缘图像的椭圆检测。(find ellipse by hough transform，used for edge image.)

water ripple live wallpaper

ORTRAN编写的差分程序，用于计算偏微分方程(ORTRAN differential write procedure, partial differential equations used to calculate)

AM Modulation simulator with matlab

基于simulink的光伏电池的最大功率的仿真，电导增量法，扰动观察法(Simulation of maximum power of photovoltaic cell based on Simulink, conductance increment method, perturbation method)

DFT进行频谱分析时的三种现象 1、混叠：对连续信号采样，要求连续信号是带限的，采样频率要足够高。Fs应满足Nyquist采样定理才不产生混叠。 采样前加低通滤波器防混叠 2、频谱泄漏：DFT对时域信号进行了截断（相当于采样信号乘了一个窗函数），时域的乘积相当于频域卷积，改变了原信号频谱。 改用其他窗函数（非矩形）改善泄漏。 3、栅栏现象：DFT 只给出了频谱在采样点上的取值，采样点间的频谱内容丢失。(DFT spectrum analysis of a three phenomena, aliasing : continuous signal sampling, requiring continuous signal is band-limited, the sampling frequency should be high enough. Fs meet the Nyquist Sampling Theorem would not have aliasing. Sampling former low-pass filter plus anti-aliasing 2, spectrum leakage : DFT right time domain signal a disconnect (equivalent to a sampling signal by a window function). time domain is equivalent to the product of frequency-domain convolution, changes in the spectrum of the original signal. Window functions to switch to other (non-rectangular) to improve leakage. 3, fenced phenomenon : DFT spectrum is given only at the sampling point value, sampling points of the spectrum as lost.)