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Description: 系统辨识的输入信号为一个周期的M序列，从 中分离出并显示a1 、a2、 b1、 b2，画出输出观测值z的经线图形，并显示坐标网格-system identification of the input signal for a period of the M sequence, isolated from the show and a1, a2, b1, b2, paint output observation z warp graphics, and display Grid
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Author: 小精豆 |
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Description: 几篇最经典的运动搜索算法的IEEE论文：A1. Enhanced Hexagonal Search for Fast Block Motion Estimation；A2. Hexagon-based search pattern for fast block motion estimation；A3. Predictive Motion Vector Field Adaptive Search Technique (PMVFAST)等-A few classic sports search algorithm IEEE papers: A1. Enhanced Hexagonal Search for Fast Block Motion Estimation A2. Hexagon-based search pattern for fast block motion estimation A3. Predictive Motion Vector Field Adaptive Search Technique (PMVFAST), etc.
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Author: 杨涛 |
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Description: 有一平面镜和曲率半径为 的凹面镜，画出光束发散角与腔长 的关系曲线。
设计要求：（1）具有友好输入输出界面；
（2）可输入不同凹面镜曲率半径值，查看结果变化情况。
-Plane mirror and one has a radius of curvature of the concave mirror, draw the beam divergence angle and cavity length curve. Design requirements: (1) friendly input and output interface (2) may enter a different value of the radius of curvature concave mirror to see the results of the changes.
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Author: zj |
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Description: Matlab光学设计程序
给出了一种光学设计的程序,对光学薄膜设计的人很有用-Matlab source code for optical design
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Author: peng |
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Description: 传统小波阈值去噪法
小波阈值收缩法去噪的主要依据是：小波变换特别是正交小波变换具有很强的去数据相关性，它能够使图像的能量在小波域集中在一些大的小波系数中；而噪声的能量却分布于整个小波域内，因此，经小波分解后，图像的小波系数幅值要大于噪声的系数幅值，可以认为，幅值比较大的小波系数一般以图像信号为主，而幅值比较小的小波系数在很大程度上是噪声。于是采用阈值的办法可以把信号系数保留，而使大部分噪声系数减少至零[-Study on Algorithm of Image Denosing Based on Transform
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Author: mingong |
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Description: LMS算法实现自适应滤波
clear close all clc
N=10000 设置仿真长度
信号产生参数设定
a1=-0.195
a1=-1.5955
a2=0.95
R0=[1,a1,a2 a1,1+a2,0 a2,a1,1]
p=[1,0,0]
r=inv(R0)*p 计算理论自相关函数
R=[r(1),r(2) r(2),r(1)] 生成理论自相关矩阵
p1=[r(2),r(3)] 生成互相关
h=inv(R)*p1 计算维纳解
Jmin=r(1)-h *p1 计算维纳解时最小均方误差
u=1/sum(eigs(R- LMS算法实现自适应滤波
clear close all clc
N=10000 设置仿真长度
信号产生参数设定
a1=-0.195
a1=-1.5955
a2=0.95
R0=[1,a1,a2 a1,1+a2,0 a2,a1,1]
p=[1,0,0]
r=inv(R0)*p 计算理论自相关函数
R=[r(1),r(2) r(2),r(1)] 生成理论自相关矩阵
p1=[r(2),r(3)] 生成互相关
h=inv(R)*p1 计算维纳解
Jmin=r(1)-h*p1 计算维纳解时最小均方误差
u=1/sum(eigs(R))
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Author: wan |
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Description: matlab模拟透镜的初级相差,求出其初级相差。-matlab
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Author: 杨强 |
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Description: 本程序用matlab编写，给出了特定参数下，光纤掺杂深度与阈值之间的关系-pumping threshold vs adoping density
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Author: dong xue |
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Description: 这是关于图像处理的一些代码，基于MATLAB的应用，仅供相关人士参考，来源于徐景龙-about images
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Author: ykl |
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Description: 用Matlab程序实现P阶Levinson-Durbin算法。以一个2阶自回归模型（参数为b0=1, a1=0, a2=0.81）和一个2阶滑动平均模型（参数为b0=1, b1=1, b2=1）为例，选取观测数据长度为1000，分别用一个AR(2)模型和一个AR(10)阶模型来估计其功率谱。设激励信号模型的高斯白噪声的均值为0，方差为1。用Levinson-Durbin算法迭代计算AR模型参数，并用估计出的AR模型参数画出观测信号的功率谱。并对Levinson-Durbin算法的性能进行分析。-Write a small MATLAB program that implements the pthorder Levinson-Durbin (L-D). Run/Test the program using a AR(2) process (b0=1,a1=0, a2=0.81) and an MA(2) (bn=1,1,1) process-about 1000 samples. Use L-D with p=2 (for the AR) and 10 (for the MA). Plot the AR spectra produced in the two cases with L-D. List the direct form and the reflection coefficients in a table. Profile the L-D (total number of computations for a pthorder
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Author: zf |
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Description: 天线和电磁波计算英文电子书的源代码，按章节排列.-Antennas and electromagnetic wave calculation of the source code of the English e-books, arranged by chapter.
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Author: kong wei |
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Description: 用MATLAB设计及FPGA实现IIR滤波器的方法
摘要 本文介绍了IIR数字滤波器的传统设计思想与步骤及计算机辅助设计方法。并在FPGA上高效实现的低阶IIR滤波
器，其阶数低，实时响应快，适合雷达等的实时、高效处理环境。利用IIR滤波器的多相结构来实现该滤波器系统的方法，对于
四通道的情形在MATLAB上利用Simulink作了仿真, 并在目标板上对算法进行了实现,证明该系统能够同时处理四个通道的信号。-Using MATLAB Design and FPGA realization IIR Filter method Abstract This paper introduces IIR digital filter traditional design Thought and steps and CAD method. And FPGA on efficient realization low IIR filter, its order low, real response fast suitable radar real time, efficient processing environment. Use IIR filter multiphase structure realize the filter systematic method, for four channel circumstances in MATLAB on use Simulink made simulation and target board algorithm was realized proved system can simultaneously four channel signal.
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Author: sfef |
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Description: 功能描述：测试LMS与RLS算法，比较两种算法的收敛特性
文件名：LMS_RLS_sim.m
测试用例：
x(n)+a1*x(n-1)+a2*x(n-2)=e(n)，a1=-1.6,a2=0.81,e(n)为高斯白噪声
文件输出：系数a1的值
调用函数：function [A] = LMS_Algo(M,N,mu,xn)
被调用：无
作者：mingcheng
编写时间：2009-10-13
修改时间：2009-10-13
版本：V1.0 - Function Description: Test LMS and RLS algorithm, the convergence characteristics were compared file name: LMS_RLS_sim.m test case: x (n)+ a1* x (n-1)+ a2* x (n-2) = e (n), a1 =- 1.6, a2 = 0.81, e (n) is Gaussian white noise file output: the value of coefficient a1 call the function: function [A] = LMS_Algo (M, N, mu, xn) is called: No of: mingcheng write time :2009-10-13 modified :2009-10-13 version: V1.0
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Author: 赵明诚 |
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Description: 有限元Matlab程序，两网格并行程序，Morley程序-Finite Element Matlab program, the two grid parallel program, Morley program
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Author: 黄雪华 |
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Description: 模糊PID控制算法控制系统，先运行fuzz文件把模糊控制器保存在a2里，再运行fuzzc文件。-Fuzzy PID control algorithm control system, first run the fuzz files stored in the fuzzy controller, a2, the re-run fuzzc file.
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Author: xiaopang |
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Description: Function files in MATLAB for the calculation of strains and stresses for a lamina with a given arbitrary fiber orientation and given values of material data in the principal material directions.
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Author: carlos713 |
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Description: MATLAB函数参考手册，查看matlab函数作用以及功能。- SVMLSPex02.m
Two Dimension SVM Problem, Two Class and Separable Situation
Difference with SVMLSPex01.m:
Take the Largrange Function (16)as object function insteads ||W||,
so it need more time than SVMLSex01.m
Method from Christopher J. C. Burges:
"A Tutorial on Support Vector Machines for Pattern Recognition", page 9
Objective: min "f(A)=-sum(ai)+sum[sum(ai*yi*xi*aj*yj*xj)]/2" ,function (16)
Subject to: sum{ai*yi}=0 ,function (15)
and ai>=0 for any i, the particular set of constraints C2 (page 9, line14).
The optimizing variables is "Lagrange Multipliers": A=[a1,a2,...,am],m is the number of total samples.
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Author: 王东东 |
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Description: matlab 代码利用遗传算法工具箱，实现特定功能-The use of genetic algorithm toolbox matlab code to achieve a particular function
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Author: 段彬 |
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Description: 对单相逆变电路的MATLAB的仿真，可以观察到方波的波形。-The simulation of MATLAB for single-phase inverter circuit can observe the waveform of square wave.
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Author: 王小辉 |
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Description: 读入bluesky3.wav文件（内容为男生“蓝天，白云”），在语音数据中混入50Hz的交流声，设计一个用凯泽窗的带组数字滤波器，通带截止评率45Hz,带组截止频率49和51，阻带最小衰减A2=50dB,采样频率为8000Hz(Read the bluesky3.wav file (the content is for boys "blue sky, white clouds"), mix 50Hz hum into the voice data, design a band digital filter with Kaiser window, passband cutoff rate 45Hz, band cutoff Frequency 49 and 51, the minimum attenuation of the stop band is A2=50dB, and the sampling frequency is 8000Hz.)
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Author: mrlong |
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