Title :
Real-time Fourier transform with a surface-wave convolver
Author_Institution :
Stanford University, W. W. Hansen Laboratories of Physics, Stanford, USA
Abstract :
The generation of Fourier transforms of electronic signals in real time with an acoustic-surface-wave convolver is demonstrated. Two matched chirps propagating through each other behave as a narrowband filter in wavevector space, with the filter centre moving at a rate proportional to the acoustic velocity and the chirp rate.
Keywords :
Fourier transforms; acoustic surface wave devices; acoustic surface wave convolver; real time Fourier transform generation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19720451
