Privacy communication system employing time/frequency transformation
1988 ◽
Vol 84
(5)
◽
pp. 1966-1966
◽
2015 ◽
Vol E98.A
(8)
◽
pp. 1769-1776
◽
Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):
2008 ◽
Vol 124
(4)
◽
pp. 2470-2470