分析chirp信号的改进fft算法

说明：  一类基于奇异值分解的Lyapunov指数计算方法

介绍了SIMULINK仿真的基础知识，利用该软件可以在模型窗口上绘制出所需要的控制系统模型，然后利用SIMULINK提供的功能来对系统进行仿真和分析。(Introduces the basic knowledge of SIMULINK simulation, using the software can draw the window in model needed to control system model, and by using SIMULINK functions to provide the system simulation and analysis.)

i need same sours code pls help pudn

散傅里叶变换的性质 一、 实验目的 1、 掌握离散傅里叶变换的性质，包括线性特性、时移特性、频移特性、对称性和循环卷积等性质； 2、 通过编程验证傅里叶变换的性质，加强对傅里叶变换性质的认识。 (The nature of the discrete Fourier transform, the purpose of the experiment 1, to grasp the nature of the discrete Fourier transform, including a linear characteristic, when the shift characteristic frequency-shift characteristic, symmetry, and the circular convolution nature 2, through the programming verification Fu li the nature of the Fourier transform, to enhance the understanding of the nature of the Fourier transform.)

skeleton prunning, extract skeleton from binary images by junction points and curve points and end points.

Bit Error Probability of BPSK Modulation for AWGN Channel

this is psim mppt exemple

qpsk算法在信道调制中的编程 对初学者有一定帮助(qpsk channel modulation algorithm in the programming has some help for beginners)

BCH码simulink仿真，可以用作simiulink初步学习的例子。(BCH code simulink simulation, can be used as a preliminary study simiulink example.)

说明：  这是一个信赖域方法的程序，简单实用，对初学者非常有用。(This is a trust region method procedures, simple, practical, very useful for beginners. )