power_spectrum_estimation

This zip-file contains 7 codes which implement the 1 dimension programs from Sullivan´ s book for beginners, with some corrections.

说明：  利用Matlab中的Simulink工具箱仿真。给定三相电源 ，相电压有效值100V。设计一个子系统，利用三相电源给三相全控桥提供一组逻辑触发信号， °（不使用脉冲发生器）。(Using the Simulink toolbox in Matlab simulation. Given three-phase power, RMS voltage of 100V. The design of a subsystem, the use of three-phase power to three-phase full-bridge control logic provides a set of trigger signals, ° (do not use pulse generator).)

非平稳信号分析与处理，对非平稳信号的处理进行了详细的论述(Non-stationary signal analysis and processing of non-stationary signal analysis and processing to give a detailed exposition)

MATLAB书籍7本，主要是基础的，其中MIT的很不错，每本书都有实例(MATLAB book seven, mainly based on, in which MIT is very good, there are examples of each book)

Matlab based Wireless card (GPRS/WLAN) driver. or optionally a Bluetooth connection to a GPRS modem

commonsonic公司的ofdm仿真源码，共享出来给大家学习，共同进步(commonsonic company ofdm simulation source code, for Members to share learning and common progress)

分形的练习一 ①Koch曲线 用复数的方法来迭代Koch曲线 clear i 防止i被重新赋值 A=[0 1] 初始A是连接（0，0）与（1，0）的线段 t=exp(i*pi/3) n=2 n是迭代次数 for j=0:n A=A/3 a=ones(1,2*4^j) A=[A (t*A+a/3) (A/t+(1/2+sqrt(3)/6*i)*a) A+2/3*a] end plot(real(A),imag(A)) axis([0 1 -0.1 0.8]) ②Sierpinski三角形 A=[0 1 0.5 0 0 1] 初始化A n=3 迭代次数 for i=1:n A=A/2 b=zeros(1,3^i) c=ones(1,3^i)/2 A=[A A+[c b] A+[c/2 c]] end for i=1:3^n patch(A(1,3*i-2:3*i),A(2,3*i-2:3*i), b ) patch填充函数 end (Fractal Exercise One The ① Koch curve Plural iteration Koch curve clear i to prevent i is reassigned A = [0 1] initial A is a connection (0,0) and (1,0) of the segments t = exp (i* pi/3) n = 2 n is the number of iterations for j = 0: n A = A/3 a = ones (1,2* 4 ^ j) A = [A (t* A+ a/3) (A/t+ (1/2+ sqrt (3)/6* i)* a) A+2/3* a] end plot (real (A), imag (A)) axis ([0 1-0.1 0.8])   ② Sierpinski triangle A = [0 1 0.5 0 0 1] initialized A n = 3 the number of iterations. for i = 1: n A = A/2 b = zeros (1,3 ^ i) c = ones (1,3 ^ i)/2 A = [A A+ [c b] A+ [c/2 c]] end for i = 1:3 ^ n patch (A (1,3* i-2: 3* i), A (2,3* i-2: 3* i), b ) patch filled function end)

cdma的仿真，介绍了CDMA的各种仿真程序，包括信道的仿真，噪声的处理等。(cdma simulation, describes the various CDMA simulation program, including channel emulation, noise processing.)

组合数学和图论中的概率方法 组合数学和图论中的概率方法.pdf(Combinatorics and graph theory probabilistic methods)

简支梁受均布荷载为常数。试用MATLAB编程， 1） 求剪力方程并绘出剪力图 ； 2） 求弯矩方程并绘出弯矩图 ； 3） 求转角方程并绘出转角图 ； 4） 求挠度方程并绘出挠度图 ； (The Charpy by uniformly distributed load is constant. Trial MATLAB programming, 1) and shear equation and draw the shear diagram 2) Find the moment equation and draw the bending moment diagram 3) Find the angular equation and draw the corner Figure 4) Find the deflection equation and draw the deflection diagram )