Case

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)

matlab仿真对采集数据进行滤波的两种方法：多次平均滤波和一阶滞后滤波的比较。(matlab simulation filtering the collected data in two ways: the average number of first order lag filter and the filter comparison.)

this is not a sparta. this is matlab codes

模拟退火和单纯形法相结合的混合算法，用于求解最优化问题中的全局最优解。(Hybrid simulated annealing algorithm and simplex Combination for solving optimization problems in the global optimal solution.)

UltimateToolBox93代码、文档、例子(UltimateToolBox93)

matlab实现差分进化算法，为初级学者提供帮助(matlab differential evolution algorithm to achieve, to help junior scholars)

阵列信号处理，自适应波束形成，Capon算法(array signal processing，adaptive beam forming，Capon)

调制解调器（即Modem），应用程序编程源码，很好的参考资料。(Modem (ie Modem), application programming source code, a good reference.)

matlab guassian markov model

用C语言编写的在Simulink环境下对转速可调永磁直流电机进行数值仿真的S函数源代码。该仿真源代码的特点是：能够仿真目前广泛应用的H桥驱动PWM调制调速永磁直流电机。将功率器件H桥与电机本体的数学模型完整的结合到一起。执行效率很高，仿真结果与实验结果非常相近。(C language in the Simulink environment for adjustable speed permanent magnet DC motor simulation S-function source code. The simulation source code features : simulation can be widely applied to the H-bridge PWM drive permanent magnet DC motor speed control. Will power devices H-bridge and motor Ontology integrity of a mathematical model combining together. High efficiency in the implementation of simulation results and experimental results are very similar.)