Journal Article10.1049/EL:19890468
Complementary code sets for OTDR
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TL;DR: It is shown that (0,1) pulse compression code sets with zero resultant correlation sidelobes must comprise at least three codewords, and examples of such code setsWith word lengths up to 10 bits are given.
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Abstract: It is shown that (0,1) pulse compression code sets with zero resultant correlation sidelobes must comprise at least three codewords, and examples of such code sets with word lengths up to 10 bits are given.
read more
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Citations
Using simplex codes to improve OTDR sensitivity
TL;DR: A coding technique for improving the sensitivity of optical time domain reflectometry (OTDR) using optical codes derived from Hadamard matrices and does not use correlation is proposed.
135
Direct Detection and Coherent Optical Time-Domain Reflectometry With Golay Complementary Codes
TL;DR: In this article, the authors extend the Golay coded Optical Time Domain Reflectometry OTDR technique for the first time from direct-detection to coherent OTDR, investigating the unique issues arising in the coherent setting regarding signal processing operations and efficient real-time implementation of the DSP in practical coherent OPDR receivers and the resulting OTDR performance.
25
Complementary correlation OTDR with three codewords
TL;DR: A complementary correlation OTDR technique based on probing with only three codewords and processing with onlyThree correlations is presented, for any power of two code length.
17
Hybrid Coding Technique for Pulse Detection in an Optical Time Domain Reflectometer
H. Mehmood,S. Sheikh Muhammad,A. Abbas,Anwar Naseem +3 more
- 01 Jun 2012
TL;DR: A novel hybrid coding technique for improved pulse detection in an optical time domain reflectometer that combines Simplex codes with signal averaging and provides simulative results in direct agreement with the theoretical performance is introduced.
12
Applications of Complete Complementary Codes and Propositions for Future Research Areas of these Codes
TL;DR: This review paper analyses the applications of these codes proposed so far and aims to propose not sufficiently explored and new areas for further research endeavors.
12
References
•Book
The Fourier Transform and Its Applications
Ronald N. Bracewell
- 01 Jan 1965
TL;DR: In this paper, the authors provide a broad overview of Fourier Transform and its relation with the FFT and the Hartley Transform, as well as the Laplace Transform and the Laplacian Transform.