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LVDT = Linear Variable Differencial Transformer<br />
+∆l<br />
±∆l<br />
S 1<br />
L 1<br />
M 1<br />
-∆l<br />
L 2´<br />
U 2<br />
´ (jω)<br />
U V0<br />
(jω)<br />
P<br />
U z<br />
(jω)<br />
U´´<br />
2<br />
(jω)<br />
S 2<br />
I 1<br />
(jω)<br />
M 2<br />
L 2´´<br />
M ,M 1 2<br />
M 1<br />
U V0<br />
a)<br />
b)<br />
M 2<br />
Synchronní detektor:<br />
potlačí kapacitní rušivý průnik a<br />
rušení<br />
rozliší směr posuvu<br />
−M 2<br />
18
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