Fast Fourier Transform and digital filtering solution to transmission line analysis
Abstract
A new technique which utilizes Digital Signal Processing algorithms in conjunction with Frequency Domain Reflectometry (FDR) to characterize transmission line systems is discussed. Algorithms are developed which include the Windowed Fast Fourier Transform (WFFT) to determine the location and amplitude of single or multiple mismatches in a single pass. Refinement techniques include quadratic interpolation for increased location and amplitude accuracy and correlation for rejecting harmonics and high power 'foreign' (interference) signals.
- Publication:
-
Military Microwaves 1982
- Pub Date:
- 1983
- Bibcode:
- 1983mimi.proc..423M
- Keywords:
-
- Digital Filters;
- Fast Fourier Transformations;
- Network Analysis;
- Transmission Lines;
- Algorithms;
- Amplitudes;
- Reflectometers;
- Signal Processing;
- Electronics and Electrical Engineering