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shuishui1988

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] Matlab ³ÌÐòÇóÖú

±¾È˳õѧMatlab£¬×î½üÔÚÑо¿Ð¡²¨±ä»»£¬ÏÂÃæµÄ³ÌÐòµÃµ½µÄС²¨±ä»»µÄ²¨Ðηdz£²»ºÃ£¬²»ÖªµÀÎÊÌâ³öÔÚÄÄÀϣÍû¸ßÊÖ½â´ð£¬½ð±Ò·îÉÏ~
clear;
close all;
clc

m=10^(-17);  
k=10;      
E0=1*1.60217646*10^(-19);
%r=2*sqrt(k*m);
r=10^(-3);%6.32*10^(-4);
beta=30*pi/180;
vm=400;
ax=4;
ay=7;
jiange=0.002;
tend=75;
x0=[0 0];
[t x]=ode45(@ode1DMoS2,[0:jiange:tend],x0,[],m,k,E0,r,vm,ax,ay,jiange,beta);
xx=x(:,1);
vx=x(:,2);
counter=1;
for i=1:length(xx)

          b(counter)=xx(i);
          f(1,counter)=k*(vm*t(i)*jiange-b(counter))*0.1;
          f(2,counter)=vm*t(i)*jiange*0.1;
          counter=counter+1;
end
figure;
plot(f(2,,f(1,);
figure;
[c,l]=wavedec(f(1,,5,'db9');
a4=wrcoef('a',c,l,'db9',5);
a3=wrcoef('d',c,l,'db9',4);
a2=wrcoef('d',c,l,'db9',3);
a1=wrcoef('d',c,l,'db9',2);
d1=wrcoef('d',c,l,'db9',1);
figure(2);
subplot(5,1,1);
plot(a4,'k-','LineWidth',2);
ylabel('a4');
subplot(5,1,2);
plot(a3,'k-','LineWidth',2);
ylabel('a3');
subplot(5,1,3);
plot(a2,'k-','LineWidth',2);
ylabel('2');
subplot(5,1,4);
plot(a1,'k-','LineWidth',2);
ylabel('a1');
subplot(5,1,5);
plot(d1,'k-','LineWidth',2);
ylabel('d1');
xlabel('ʱ¼ä t/s');
subplot(6,1,1);plot(f(1,);

Matlab ³ÌÐòÇóÖú
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ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shuishui1988

Í­³æ (СÓÐÃûÆø)

ЦÁ³Êµ¼ÊÊdzÌÐò¡°£º£©¡±£¬Ï£Íû¸ßÊÖ°ï°ïæ°¡£¡
3Â¥2015-05-29 14:29:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 4 ¸ö»Ø´ð

shuishui1988

Í­³æ (СÓÐÃûÆø)

³ÌÐòÈçÏ£º
clear;
close all;
clc

m=10^(-17);  
k=10;      
E0=1*1.60217646*10^(-19);
%r=2*sqrt(k*m);
r=10^(-3);%6.32*10^(-4);
beta=20*pi/180;
vm=400;
ax=5.7;
ay=9.88;
jiange=0.002;
tend=75;
x0=[0 0];
[t x]=ode45(@ode1DMoS2,[0:jiange:tend],x0,[],m,k,E0,r,vm,ax,ay,jiange,beta);
xx=x(:,1);
vx=x(:,2);
counter=1;
for i=1:length(xx)

          b(counter)=xx(i);
          f(1,counter)=k*(vm*t(i)*jiange-b(counter))*0.1;
          f(2,counter)=vm*t(i)*jiange*0.1;
          counter=counter+1;
end
figure;
plot(f(2,,f(1,);
figure;
[c,l]=wavedec(f(1,,5,'db9');
a4=wrcoef('a',c,l,'db9',5);
a3=wrcoef('d',c,l,'db9',4);
a2=wrcoef('d',c,l,'db9',3);
a1=wrcoef('d',c,l,'db9',2);
d1=wrcoef('d',c,l,'db9',1);
figure(2);
subplot(5,1,1);
plot(a4,'k-','LineWidth',2);
ylabel('a4');
subplot(5,1,2);
plot(a3,'k-','LineWidth',2);
ylabel('a3');
subplot(5,1,3);
plot(a2,'k-','LineWidth',2);
ylabel('2');
subplot(5,1,4);
plot(a1,'k-','LineWidth',2);
ylabel('a1');
subplot(5,1,5);
plot(d1,'k-','LineWidth',2);
ylabel('d1');
xlabel('ʱ¼ä t/s');
subplot(6,1,1);plot(f(1,);
%figure;plot(t,f(1,);
%figure;plot(t,b);
%figure;plot(t,f(2,);
%figure;plot(t);
2Â¥2015-05-29 14:27:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shuishui1988

Í­³æ (СÓÐÃûÆø)

ÇóÖú¸÷룬°ï°ïæ°¡~
4Â¥2015-06-01 09:54:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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