고정밀 레이저 변위기용 반사 광량 측정 기법

The phase delay of output signal of APD(avalanche photo diode) caused by intensity of reflected light which comes from target. These difference of phase delay is an one of the main reason of measurement error, but there is no reasonable measurement meter and method to detect it. In this paper, to so...

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Published in한국항행학회논문지 Vol. 13; no. 1; pp. 34 - 40
Main Authors 배영철, 조의주, 이현재, 김성현, 김현우, Bae, Young-Chul, Cho, Eui-Joo, Lee, Hyen-Jae, Kim, Sung-Hyen, Kim, Hyeon-Woo
Format Journal Article
LanguageKorean
Published 한국항행학회 2009
Subjects
항공우주공학
Laser Displacement Measurement
Laser Range Finder
Reflected Light Measurement
Online AccessGet full text
ISSN1226-9026
2288-842X

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Abstract The phase delay of output signal of APD(avalanche photo diode) caused by intensity of reflected light which comes from target. These difference of phase delay is an one of the main reason of measurement error, but there is no reasonable measurement meter and method to detect it. In this paper, to solve the problem, we propose and implement a method to measure the intensity of radiation. The method measures DC voltage which is proportional to the reflected intensity of radiation and come out from APD in receiver by realtime. 고정밀 레이저 변위기에서 측정하고자하는 목표물인 표적으로부터 반사되어 돌아오는 반사광의 강도에 따라 애벌런치 포토다이오드(APD: Avalanche Photo Diode) 출력신호의 위상 지연이 발생한다. 이 위상지연에 의한 차이는 측정오차의 주요 원인이 되나 이를 측정하기 위한 적절한 계측기와 측정 방법이 없었다. 본 논문에서는 이들 문제를 해결하기 위하여, APD의 수신회로에 반사광량에 비례하는 출력 DC 전압을 측정하여 실시간으로 반사광의 강도를 측정할 수 있는 광량 측정기법을 제시하고 구현하였다.
AbstractList 고정밀 레이저 변위기에서 측정하고자하는 목표물인 표적으로부터 반사되어 돌아오는 반사광의 강도에 따라애벌런치 포토다이오드(APD; Avalanche Photo Diode) 출력신호의 위상 지연이 발생한다. 이 위상지연에 의한 차이는 측정오차의 주요 원인이 되나 이를 측정하기 위한 적절한 계측기와 측정 방법이 없었다. 본 논문에서는 이들 문제를 해결하기 위하여, APD의 수신회로에 반사광량에 비례하는 출력 DC 전압을 측정하여 실시간으로 반사광의 강도를 측정할 수 있는 광량 측정기법을 제시하고 구현하였다. The phase delay of output signal of APD(avalanche photo diode) caused by intensity of reflected light which comes from target. These difference of phase delay is an one of the main reason of measurement error, but there is no reasonable measurement meter and method to detect it. In this paper, to solve the problem, we propose and implement a method to measure the intensity of radiation. The method measures DC voltage which is proportional to the reflected intensity of radiation and come out from APD in receiver by realtime. KCI Citation Count: 1
The phase delay of output signal of APD(avalanche photo diode) caused by intensity of reflected light which comes from target. These difference of phase delay is an one of the main reason of measurement error, but there is no reasonable measurement meter and method to detect it. In this paper, to solve the problem, we propose and implement a method to measure the intensity of radiation. The method measures DC voltage which is proportional to the reflected intensity of radiation and come out from APD in receiver by realtime. 고정밀 레이저 변위기에서 측정하고자하는 목표물인 표적으로부터 반사되어 돌아오는 반사광의 강도에 따라 애벌런치 포토다이오드(APD: Avalanche Photo Diode) 출력신호의 위상 지연이 발생한다. 이 위상지연에 의한 차이는 측정오차의 주요 원인이 되나 이를 측정하기 위한 적절한 계측기와 측정 방법이 없었다. 본 논문에서는 이들 문제를 해결하기 위하여, APD의 수신회로에 반사광량에 비례하는 출력 DC 전압을 측정하여 실시간으로 반사광의 강도를 측정할 수 있는 광량 측정기법을 제시하고 구현하였다.
Author Cho, Eui-Joo
Kim, Hyeon-Woo
배영철
김현우
김성현
Kim, Sung-Hyen
Bae, Young-Chul
이현재
Lee, Hyen-Jae
조의주
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Laser Range Finder
Reflected Light Measurement
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Snippet The phase delay of output signal of APD(avalanche photo diode) caused by intensity of reflected light which comes from target. These difference of phase delay...
고정밀 레이저 변위기에서 측정하고자하는 목표물인 표적으로부터 반사되어 돌아오는 반사광의 강도에 따라애벌런치 포토다이오드(APD; Avalanche Photo Diode) 출력신호의 위상 지연이 발생한다. 이 위상지연에 의한 차이는 측정오차의 주요 원인이 되나 이를 측정하기 위한 적절한...
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SubjectTerms 항공우주공학
Title 고정밀 레이저 변위기용 반사 광량 측정 기법
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