Title :
Encoding and decoding with elastic surface waves at 10 megabits per second
Author :
Devito, P.A. ; Carr, P.H. ; Kearns, W.J. ; Silva, J.H.
Abstract :
The use of elastic surface waves to generate and correlate a 31-bit maximal length bi-phase modulated code is described. The theoretically predicted main correlation peak to sidelobe ratio of 15.8 dB was achieved experimentally on Y-cut quartz at a 70-MHz center frequency.
Keywords :
Acoustic pulses; Bandwidth; Baseband; Decoding; Encoding; Frequency modulation; Interference; Signal to noise ratio; Surface acoustic waves; Surface waves;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1971.8465
