DocumentCode
1239521
Title
The Electronic Countermeasures Problem for Extremely Low Frequency (ELF) Communications
Author
Mullen, James A.
Author_Institution
Raytheon Company, Waltham
Volume
22
Issue
4
fYear
1974
fDate
4/1/1974 12:00:00 AM
Firstpage
496
Lastpage
503
Abstract
An extremely low frequency (ELF) communication system for military purposes needs specialized engineering techniques, in particular signal bandwidth spreading in order to protect against enemy electronic countermeasures (ECM). Qualitative discussion is presented of the processing which the system must have to make jamming difficult, with qualitative discussion of predictive jamming, repeat-back jamming, and high power brute force jamming by adapting electric power systems.
Keywords
ECM (electronic countermeasures); ELF communications; Electronic countermeasures; Military communications; Underwater communications; Electromagnetic interference; Electronic countermeasures; Frequency; Geophysical measurement techniques; Ground penetrating radar; Jamming; Military communication; Power engineering and energy; Power system protection; Underwater vehicles;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/TCOM.1974.1092216
Filename
1092216
Link To Document