3D Time-of-flight distance measurement with custom - Universität ...
3D Time-of-flight distance measurement with custom - Universität ...
3D Time-of-flight distance measurement with custom - Universität ...
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OPTICAL TOF RANGE MEASUREMENT 45<br />
1<br />
0.5<br />
0<br />
MODULATION SIGNAL<br />
0 100 200 300 400 500 600 700 800 900 1000<br />
400<br />
200<br />
CORRECT PHASE AND CALCULATED PHASE<br />
0<br />
0 50 100 150 200 250 300 350<br />
1<br />
0<br />
ERROR = ± 0.28<br />
-1<br />
0 50 100 150 200 250 300 350<br />
1<br />
0.5<br />
0<br />
400<br />
200<br />
cos(x) + cos(3x), ∆t=T/3<br />
MODULATION SIGNAL<br />
0 100 200 300 400 500 600 700 800 900 1000<br />
CORRECT PHASE AND CALCULATED PHASE<br />
0<br />
0 50 100 150 200 250 300 350<br />
4<br />
2<br />
0<br />
-2<br />
ERROR = ± 4.19<br />
-4<br />
0 50 100 150 200 250 300 350<br />
1<br />
0.5<br />
0<br />
400<br />
200<br />
MODULATION SIGNAL<br />
square wave<br />
0 100 200 300 400 500 600 700 800 900 1000<br />
CORRECT PHASE AND CALCULATED PHASE<br />
0<br />
0 50 100 150 200 250 300 350<br />
5<br />
0<br />
ERROR = ± 5.4<br />
-5<br />
0 50 100 150 200 250 300 350<br />
square wave <strong>with</strong> linear falling edge<br />
1<br />
0.5<br />
MODULATION SIGNAL<br />
0<br />
0 100 200 300 400 500 600 700 800 900 1000<br />
400<br />
CORRECT PHASE AND CALCULATED PHASE<br />
200<br />
0<br />
0 50 100 150 200 250 300 350<br />
4<br />
2<br />
0<br />
-2<br />
-4<br />
ERROR = ± 4.19<br />
0 50 100 150 200 250 300 350<br />
(i), (j)<br />
(k), (l)<br />
(m), (n)<br />
(o), (p)<br />
1<br />
0.5<br />
0<br />
MODULATION SIGNAL<br />
0 100 200 300 400 500 600 700 800 900 1000<br />
400<br />
CORRECT PHASE AND CALCULATED PHASE<br />
200<br />
0<br />
0 50 100 150 200 250 300 350<br />
1<br />
ERROR = ± 0<br />
0<br />
-1<br />
0 50 100 150 200 250 300 350<br />
0.5<br />
cos(x) + cos(5x), ∆t=T/5<br />
1<br />
MODULATION SIGNAL<br />
0<br />
0 100 200 300 400 500 600 700 800 900 1000<br />
400<br />
CORRECT PHASE AND CALCULATED PHASE<br />
200<br />
0.5<br />
0<br />
0 50 100 150 200 250 300 350<br />
2<br />
0<br />
-2<br />
1<br />
ERROR = ± 3.43<br />
0 50 100 150 200 250 300 350<br />
square wave, ∆t=T/3<br />
MODULATION SIGNAL<br />
0<br />
0 100 200 300 400 500 600 700 800 900 1000<br />
400<br />
CORRECT PHASE AND CALCULATED PHASE<br />
200<br />
0<br />
0 50 100 150 200 250 300 350<br />
4<br />
2<br />
0<br />
-2<br />
ERROR = ± 3.525<br />
0 50 100 150 200 250 300 350<br />
square wave <strong>with</strong> exponentially<br />
falling edge<br />
0<br />
0 100 200 300 400 500 600 700 800 900 1000<br />
400<br />
CORRECT PHASE AND CALCULATED PHASE<br />
200<br />
ramp<br />
triangle<br />
Figure 2.14 (i-p) Influence <strong>of</strong> modulation signal on phase accuracy II.<br />
1<br />
0.5<br />
MODULATION SIGNAL<br />
0<br />
0 50 100 150 200 250 300 350<br />
2<br />
0<br />
ERROR = ± 2.57<br />
-2<br />
0 50 100 150 200 250 300 350