Type

Journal Article

Authors

Pengfei Wang
Yuliya Semenova
Gerald Farrell
Qiang Wu
Ginu Rajan
Qian Wang

Subjects

Engineering

Topics
snr input engineering ratiometric measurement ratiometric system edge filter signal wavelength measurement

Effect of SNR of Input Signal on the Accuracy of a Ratiometric Wavelength Measurement System (2007)

Abstract The impact of a change in SNR of the input signal on the accuracy of a ratiometric wavelength measurement system is studied. The variation of the output ratio of the system due to the change in SNR of the input signal is modeled and the experimental investigation has been carried out, and both indicate that the accuracy is influenced significantly by variations in the SNR of the input signal. The demonstration example shows a wavelength shift of 0.055 nm when the SNR of the input signal varies from 47 dB to 42 dB (the measurable range is from 1500 nm to 1600 nm and the edge filter used has a slope of 0.15 dB/nm).
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Full list of authors on original publication

Pengfei Wang, Yuliya Semenova, Gerald Farrell, Qiang Wu, Ginu Rajan, Qian Wang

Experts in our system

1
Pengfei Wang
University of Limerick
Total Publications: 114
 
2
Yuliya Semenova
TU Dublin
Total Publications: 136
 
3
Gerald Farrell
TU Dublin
Total Publications: 212
 
4
Qiang wu
TU Dublin
Total Publications: 90
 
5
Ginu Rajan
TU Dublin
Total Publications: 48
 
6
Qian Wang
Trinity College Dublin