ESDCoupling

mathematica romberg integration programme code

说明：  《计量地理学》（徐建华，高等教育出版社，2005）配套实习指导,利用Matlab编程计算非线性回归模型,以Logistic曲线为例( Quantitative geography (Xu Jianhua, Higher Education Press, 2005) supporting practice guidance, the use of Matlab programming non-linear regression model calculated to Logistic curve as an example)

adaboost的訓練data的方法，並利用在matlab上幫助使用者可以快速的訓練data。 (adaboost method of training data, and help users to quickly take advantage of training data on matlab.)

实现通信抗干扰的跳频通信，希望对初学通信抗干扰的同志有所帮助(To achieve interference rejection for frequency hopping communication, hope to comrades beginner help communication interference)

磁共振成像仪的基本硬件,脉冲序列的基本概念和分类,MRI常规质控指标,MRI的优缺点(Magnetic resonance imaging of the basic hardware, pulse sequence and classification of the basic concepts, MRI routine quality control indicators, MRI of the advantages and disadvantages)

Program ADI-FDTD with PEC made in MATLAB whithou PML

This code is to simulate 16-PSK and 16-QAM over AWGN channel

心电信号处理，滤波与计算 之：去除漂移基线子程序(ECG signal processing, filtering and calculation of: removing baseline drift subroutines)

clear all clc t=0:1/1000:10-1/1000 s=sin(2*pi*t) snr=20 s_power=var(s) varience of s linear_snr=10^(snr/10) factor=sqrt(s_power/linear_snr) noise=randn(1,length(s))*factor x=s+noise Ó É SNR¼ Æ Ë ã Ë æ » úÔ ë É ù x1=noise Ô ë É ùÔ ´ Ê ä È ë x2=noise w1=0 È ¨Ï µ Ê ý ³ õ Ö µ w2=0 e=zeros(1,length(x)) y=0 u=0.05 for i=1:10000 LMSË ã ·¨ y(i)=w1*x1(i)+w2*x2(i) e(i)=x(i)-y(i) w1=w1+u*e(i)*x1(i) w2=w2+u*e(i)*x2(i) end figure(1) subplot(4,1,1)

说明：  最基本的直接扩频中如何用m语言编写语句产生pn序列(generate pn sequence )