clear?all;
close?all;

h=0.001;??%Sampling?time
delta=150;
r1_1=0;r2_1=0;
vn_1=0;
for?k=1:1:10000
time（k）=k*h;

v（k）=sin（2*pi*k*h）;
n（k）=0.05*rands（1）;
vn（k）=v（k）+n（k）;
dv（k）=2*pi*cos（2*pi*k*h）;

r1（k）=r1_1+h*r2_1;
r2（k）=r2_1+h*fst（r1_1-v（k）r2_1deltah）;

dvn（k）=（vn（k）-vn_1）/h;???%By?difference

vn_1=vn（k）;

r1_1=r1（k）;
r2_1=r2（k）;
end
figure（1）;
subplot（211）;
plot（timev‘k:‘timevn‘r:‘‘linewidth‘2）;
xlabel（‘time（s）‘）ylabel（‘signal‘）;
legend（‘ideal?signal‘‘signal?with?noise‘）;
subplot（212）;
plot（timev‘k:‘timer1‘r:‘‘linewidth‘2）;
xlabel（‘time（s）‘）ylabel（‘signal‘）;
legend（‘ideal?signal‘‘signal?by?TD‘）;

figure（2）;
subplot（211）;
plot（timedv‘k:‘timedvn‘r:‘‘linewidth‘2）;
xlabel（‘time（s）‘）ylabel（‘derivative?signal‘）;
legend（‘ideal?derivative?signal‘‘derivative?signal?by?difference‘）;
subplot（212）;
plot（timedv‘k:‘timer2‘r:‘‘linewidth‘2）;
xlabel（‘time（s）‘）ylabel（‘derivative?signal‘）;
legend（‘ideal?derivative?signal‘‘derivative?signal?by?TD‘）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-01-13?17:40??chap6\
?????文件????????1027??2010-07-22?13:53??chap6\chap6_1.m
?????文件?????????829??2010-08-01?08:40??chap6\chap6_10.m
?????文件?????????113??2010-06-29?10:01??chap6\chap6_10plant.m
?????文件?????????941??2010-07-01?08:52??chap6\chap6_11ctrl.m
?????文件????????1062??2010-06-30?16:53??chap6\chap6_11eso.m
?????文件?????????525??2010-06-29?20:59??chap6\chap6_11input.m
?????文件?????????762??2010-06-30?09:50??chap6\chap6_11levant.m
?????文件?????????810??2010-06-29?21:21??chap6\chap6_11plant.m
?????文件?????????722??2010-08-01?08:50??chap6\chap6_11plot.m
?????文件???????24056??2010-07-22?15:44??chap6\chap6_11sim.mdl
?????文件????????2607??2010-08-01?09:52??chap6\chap6_12.asv
?????文件????????2594??2010-08-01?10:19??chap6\chap6_12.m
?????文件?????????157??2010-08-01?10:02??chap6\chap6_12plant.m
?????文件????????1178??2010-06-26?18:44??chap6\chap6_2.m
?????文件?????????730??2010-07-31?22:41??chap6\chap6_3.m
?????文件????????1613??2010-07-31?23:06??chap6\chap6_4.m
?????文件?????????145??2008-10-02?21:51??chap6\chap6_4plant.m
?????文件?????????525??2010-06-29?20:59??chap6\chap6_5input.m
?????文件?????????762??2010-06-30?09:50??chap6\chap6_5levant.m
?????文件?????????323??2010-07-31?23:12??chap6\chap6_5plot.m
?????文件???????16665??2010-07-22?09:42??chap6\chap6_5sim.mdl
?????文件????????1056??2010-07-03?19:07??chap6\chap6_6obv.m
?????文件?????????748??2010-06-27?09:30??chap6\chap6_6plant.m
?????文件?????????532??2010-08-01?07:30??chap6\chap6_6plot.m
?????文件???????17907??2010-07-22?13:59??chap6\chap6_6sim.mdl
?????文件????????1214??2010-08-01?07:40??chap6\chap6_7.m
?????文件?????????130??2010-07-03?19:00??chap6\chap6_7plant.m
?????文件?????????800??2011-07-25?10:32??chap6\chap6_8ctrl.m
?????文件????????1109??2011-07-25?09:47??chap6\chap6_8obv.m
?????文件?????????778??2011-07-25?10:30??chap6\chap6_8plant.m
............此處省略6個文件信息