DocumentCode :
774133
Title :
Preemphasis/Deemphasis Effect on the Output SNR of SSB-FM
Author :
Al-Hussaini, Emad K. ; El-Rabhie, El-Said M.
Author_Institution :
Cairo Univ., Giza, Egypt
Volume :
32
Issue :
7
fYear :
1984
fDate :
7/1/1984 12:00:00 AM
Firstpage :
848
Lastpage :
850
Abstract :
The effect of preemphasis/deemphasis on the noise power output of FM detectors for SSB-FM is studied. Two cases are considered: namely, when the modulating signal is assumed to be sinusoidal and when it is a Gaussian random process. For both cases the noise is assumed to be stationary and Gaussian. For a sinusoid modulating signal, the improvement of (S/N)_{0} for SSB-FM detectors is obtained when the modulation index β lies in the interval (0.1-12.0) with negligible improvements for higher β. For a Gaussian modulating signal, improved results are obtained for a modulation index in the interval (0.1-0.6).
Keywords :
FM; Signal detection; Amplitude modulation; Bandwidth; Baseband; Detectors; Filters; Frequency modulation; Gaussian noise; Random processes; Signal processing; Signal to noise ratio;
fLanguage :
English
Journal_Title :
Communications, IEEE Transactions on
Publisher :
ieee
ISSN :
0090-6778
Type :
jour
DOI :
10.1109/TCOM.1984.1096141
Filename :
1096141
Link To Document :
بازگشت