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  • 大小: 8KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2021-05-16
  • 語言: Matlab
  • 標(biāo)簽: MATLAB??

資源簡(jiǎn)介

這是關(guān)于智能傳感器設(shè)計(jì)的MATLAB的仿真程序,主要包括差值法、最小二乘法以及神經(jīng)網(wǎng)絡(luò)法,非常有借鑒意義哦!

資源截圖

代碼片段和文件信息

function?filter()
i?=?input(‘請(qǐng)輸入濾波方法?1為向后差分法?2為雙線性法?3為頻率預(yù)曲折雙線性法?4為PID控制算法(5?10?0.2):‘);
W?=?input(‘請(qǐng)輸入輸入信號(hào)x(t)的系數(shù)W:‘);
T?=?input(‘請(qǐng)輸入采樣時(shí)間T:‘);
a?=?0.1;
n?=?1:1000;
x?=sin(W*n*T);
%x=1:1000;
y(1)?=?0;
switch?i
????case?1
????????for?n=2:1000;
????????y(n)?=?T/(T+1/a)*x(n)+(1/a)/(T+1/a)*y(n-1);
????????end
????????plot(0:999y)
????case?2
????????for?n=2:1000;
????????y(n)?=?a*T/(2.0+a*T)*(x(n)+x(n-1))-(2.0-a*T)/(2.0+a*T)*y(n-1);
????????end
????????plot(0:999y)
????case?3
????????for?n=2:1000;
????????????y(n)?=?tan(a*T/2.0)/(1+tan(a*T/2.0))*(x(n)+x(n-1))-tan(a*T/2.0-1)/(1+tan(a*T/2.0))*y(n-1);
????????end
????????plot(0:999y)
????case?4
????????Kp?=?input(‘請(qǐng)輸入比例系數(shù)Kp:‘);
????????Ki?=?input(‘請(qǐng)輸入積分系數(shù)Ki:‘);
????????Kd?=?input(‘請(qǐng)輸入微分系數(shù)Kd:‘);
????????e(1)?=?1;
????????e(2)?=?1;
????????m(1)?=?1;
????????m(2)?=?1;
????????y(2)?=?T/(T+1/a)*x(2)+(1/a)/(T+1/a)*y(1);
????????for?k=3:500;
????????????y(k)?=?T/(T+1/a)*m(k-1)+(1/a)/(T+1/a)*y(k-1);
????????????e(k)?=x(k)-y(k);
????????????m(k)?=?(Kp+Ki+Kd)*e(k)+m(k-1)-(Kp+2*Kd)*e(k-1)+Kd*e(k-2);
????????end
????????plot(0:499m)
end
end

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1162??2010-03-31?18:18??濾波器程序\MATLAB\filter.m

?????文件??????24365??2010-04-01?15:49??濾波器程序\MATLAB\filter1.mdl

?????文件???????1575??2010-03-26?12:24??濾波器程序\查表法、最小二乘法Matlab程序\1.m

?????目錄??????????0??2010-04-04?19:10??濾波器程序\MATLAB

?????目錄??????????0??2010-04-04?19:10??濾波器程序\查表法、最小二乘法Matlab程序

?????目錄??????????0??2010-04-04?19:12??濾波器程序

-----------?---------??----------?-----??----

????????????????27102????????????????????6


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