DocumentCode
3515679
Title
Contactless distance measurement method
Author
Hoffmann, Karel ; Skvor, Zbynek
Author_Institution
Fac. of Electr. Eng., Czech Tech. Univ. in Prague, Prague, Czech Republic
fYear
2011
fDate
10-10 June 2011
Firstpage
1
Lastpage
4
Abstract
A new method capable of contactless distance measurement with high resolution has been proposed. The method is intended to measure distance differences smaller than one half of a wavelength. First experimental results are reported. The method is based on precise phase evaluation of signal reflected by the surface whose distance is measured. This is achieved using interference between the reflected and reference signals. Micrometer resolution at 10 GHz can be expected.
Keywords
distance measurement; interference suppression; micrometry; microwave measurement; contactless distance measurement; interference; micrometer resolution; phase evaluation; signal reflection; Antenna measurements; Distance measurement; Frequency measurement; Magnetic field measurement; Microwave measurements; Microwave theory and techniques; Wavelength measurement; Distance measurement; Interferometers; Microwave measurements; Microwave sensors;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Measurement Conference (ARFTG), 2011 77th ARFTG
Conference_Location
Baltimore, MD
Print_ISBN
978-1-61284-959-1
Electronic_ISBN
978-1-61284-960-7
Type
conf
DOI
10.1109/ARFTG77.2011.6034559
Filename
6034559
Link To Document