zhuanju

说明：  基于MATLAB的数字基带传输系统仿真实验设计的一篇文章(MATLAB-based digital baseband transmission system simulation experiment design article)

多星座导航系统GDOP递推特性的仿真程序,程序主要是争对在现有系统中增加一颗现有星座的可见星，一颗其他星座的可见星时GDOP的变化情况组合仿真(GDOP recursive multi-constellation navigation system features simulation program, the program is mainly a struggle to increase the existing constellation of stars visible in the current system, a combination of changes in the simulation GDOP when other signs of visible stars)

MATLAB程序，通过3维空间点插值，构建数字地图，可以根据调整点坐标自行构建数字地图。(MATLAB program, through three-dimensional space point interpolation to construct a digital map, you can adjust themselves to build a digital map based on coordinates.)

计算运动中单摆的长度、确定圆形目标、测量角度、灰度图像的属性测量、磁带滚动半径的测量(Calculate the length of the pendulum movement to determine the circular target, measuring angles, measuring the properties of gray-scale images, rolling radius of the measuring tape)

说明：  这里总结了一些光子晶体的重要概念，对学习光子晶体初学者有很大的帮助(Summarized some of the important concepts of photonic crystals, photonic crystals for learning very helpful for beginners)

ch3=softt(h3,thr1 clear clc I=imread( lena512.bmp ) imshow(I) I=double(I) II=I+30*randn(size(I)) figure imshow(II,[]) [a1,h1,v1,d1]=dwt2(II, sym8 ) [a2,h2,v2,d2]=dwt2(a1, sym8 ) [a3,h3,v3,d3]=dwt2(a2, sym8 ) sigma=median(abs(d1(:)))/0.6745 x=3*sigma thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x 小波图像去噪( ch3=softt(h3,thr1 clear clc I=imread( lena512.bmp ) imshow(I) I=double(I) II=I+30*randn(size(I)) figure imshow(II,[]) [a1,h1,v1,d1]=dwt2(II, sym8 ) [a2,h2,v2,d2]=dwt2(a1, sym8 ) [a3,h3,v3,d3]=dwt2(a2, sym8 ) sigma=median(abs(d1(:)))/0.6745 x=3*sigma thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x )

matlab manual books

本程序为跳扩散过程下欧式期权的定价模型，方便大家做出期权走势图(The procedures for the jump diffusion process European option pricing model, we facilitate to make a chart options)

高斯白噪声瑞利信道的分析，通过眼图来分析信道的衰落(Gaussian white noise channel Rayleigh's analysis, through eye diagram to analyze the decline of channel)

对偶单纯形法matlab程序，可以显示每步计算步骤，方便初学者理解单纯形法。(Dual simplex method matlab, can display every step calculation steps for beginners to understand the simplex method. )