Zhang Hailin, Wang Yumin, Hu Zhen. A New Analog-Digital-Analog Scrambling Scheme Not Requiring Synchronization[J]. Acta Electronica Sinica, 1991, (4): 33-39.
Zhang Hailin, Wang Yumin, Hu Zhen. A New Analog-Digital-Analog Scrambling Scheme Not Requiring Synchronization[J]. Acta Electronica Sinica, 1991, (4): 33-39.DOI:
A New Analog-Digital-Analog Scrambling Scheme Not Requiring Synchronization
This paper proposes a new analog-digital-analog speech scrambling scheme
which uses frequency-domain amplitude-phase separate permutation and amplitude modification algorithm. It is shown by analysis and simulation that the scheme has greater security over L. S. Lee’s system and can work under asynchronous condition without non-linear phase distortion.