Accession Number:
AD0745353
Title:
Investigation of the Feasibility of a 9600 BPS CODEM.
Descriptive Note:
Final rept.,
Corporate Author:
GENERAL ATRONICS CORP PHILADELPHIA PA
Personal Author(s):
Report Date:
1971-01-01
Pagination or Media Count:
75.0
Abstract:
The CODEM system has been evaluated for HF data transmission under a completed study and simulation contract to Naval Air Systems Command. The system designed and evaluated under this contract promises to provide a data transmission rate of 4800 bps over a double sideband HF channel with better transmission reliability than a TADIL-A modem operating at 2400 bps in dual diversity. Author
Descriptors:
- *CODING
- *COMMUNICATION AND RADIO SYSTEMS
- DATA TRANSMISSION SYSTEMS
- HIGH FREQUENCY
- DECODING
- MULTIPATH TRANSMISSION
- TRANSFORMATIONS(MATHEMATICS)
- AMPLITUDE MODULATION
- PHASE MODULATION
- VOICE COMMUNICATIONS
- ATTENUATION
- SIGNAL TO NOISE RATIO
- ALGORITHMS
- STATISTICAL ANALYSIS
- SECURE COMMUNICATIONS
- FEASIBILITY STUDIES
Subject Categories:
- Cybernetics
- Radio Communications