DocumentCode
528204
Title
The determination of instantaneous displacement by envelope detection
Author
Lang, Kuo-Chen ; Lin, Cheng-Min ; Chung, Chiu-Chiao ; Teng, Hui-Kang
Author_Institution
Dept. of Comput. & Commun. Eng., Nan-Kai Univ. of Technol., Nantou, Taiwan
fYear
2010
fDate
5-9 July 2010
Firstpage
668
Lastpage
669
Abstract
A simple envelope detection is developed to determine the small phase shift. This technique is demonstrated by sampling the quadrature signals given by a heterodyne interferometer, which is able to measure the displacement with λ/104 sensitivity.
Keywords
displacement measurement; heterodyne detection; signal sampling; envelope detection displacement; heterodyne interferometer; phase shift; quadrature signal sampling; Displacement measurement; Frequency modulation; Interference; Maximum likelihood decoding; Maximum likelihood detection; Optimized production technology; Sensitivity;
fLanguage
English
Publisher
ieee
Conference_Titel
OptoElectronics and Communications Conference (OECC), 2010 15th
Conference_Location
Sapporo
Print_ISBN
978-1-4244-6785-3
Type
conf
Filename
5588373
Link To Document