Title :
Remote Vibration Measurement with Lasers
Author :
Anderson, Wallace L.
Author_Institution :
Dept. of Instrumentation Research, Southwest Research Institute, San Antonio, Tex. 78206
fDate :
7/1/1968 12:00:00 AM
Abstract :
Factors relating to the choice between homodyne and heterodyne detection systems for optical frequency Doppler shift are discussed. It is concluded that the homodyne system is often preferable when low-amplitude vibrations are being measured.
Keywords :
Clutter; Doppler radar; Laser radar; Optical attenuators; Optical filters; Optical receivers; Phase detection; Phase frequency detector; Radar detection; Vibration measurement;
Journal_Title :
Aerospace and Electronic Systems, IEEE Transactions on
DOI :
10.1109/TAES.1968.5409039
