CROSS-TALK AND INTERMEDIATE FREQUENCY DEVIATION EFFECTS ON PHASE-SHIFT RANGE FINDER

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MOHAMMADNEZHAD S.; BAGHAL OLIAEE S.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:2002 | Volume:26 | Issue:B4 Page(s): 0-0

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Information Journal Paper

Title

CROSS-TALK AND INTERMEDIATE FREQUENCY DEVIATION EFFECTS ON PHASE-SHIFT RANGE FINDER

Author(s)

MOHAMMADNEZHAD S. | BAGHAL OLIAEE S.

Keywords

PHASE-SHIFT RANGE-FINDER

CROSS-TALK

IF FREQUENCY DEVIATION

HETERODYNE

APD

PHASE DETECTOR

Abstract

In this paper, design and assembly of a new phase-shift range finder and also
the CROSS-TALK effect and the effect of intermediate frequency (IF) deviation on the range
finder, is presented. Using the HETERODYNE technique, the system was able to measure
very small phase-shifts, hence, considerably increasing the accuracy of the distance
measurements. Since the major error in such systems is due to the phase measurement
(counter-clock pulse), related to the CROSS-TALK and the frequency shift, it was necessary
to take especial steps to decrease these errors. Therefore, after testing the system,
practically a simulation of the system was also carried out. Using the simulation results,
the error due to the CROSS-TALK was about 2% in the worst condition. The error related to
the frequency changes was about zero, and the resolution due to the counter-clock pulse
became 21 mm. Considering the signal to noise ratio of 20dB and the noise current of
42.8pA at the input current to voltage inverter, the lowest detectable optical power at the
APD input, which the noise could be ignored, was 23 pW.

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APA: Copy

MOHAMMADNEZHAD, S., & BAGHAL OLIAEE, S.. (2002). CROSS-TALK AND INTERMEDIATE FREQUENCY DEVIATION EFFECTS ON PHASE-SHIFT RANGE FINDER. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 26(B4), 0-0. SID. https://sid.ir/paper/529196/en

Vancouver: Copy

MOHAMMADNEZHAD S., BAGHAL OLIAEE S.. CROSS-TALK AND INTERMEDIATE FREQUENCY DEVIATION EFFECTS ON PHASE-SHIFT RANGE FINDER. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 2002;26(B4):0-0. Available from: https://sid.ir/paper/529196/en

IEEE: Copy

S. MOHAMMADNEZHAD, and S. BAGHAL OLIAEE, “CROSS-TALK AND INTERMEDIATE FREQUENCY DEVIATION EFFECTS ON PHASE-SHIFT RANGE FINDER,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 26, no. B4, pp. 0–0, 2002, [Online]. Available: https://sid.ir/paper/529196/en

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