WEAK-SIGNAL COMMUNICATION TECHNIQUES.
Abstract
Results are presented of a two-year study of weak-signal communication techniques. The theoretical results obtained during the first year of the program, although summarized here, are documented more fully in the interim report (AD 299-219) dated April 1962. That report in cludes evaluation of bounds on communication performance, determination of the threshold performance of FMFB demodulators, analysis of FSK systems with noise-like signals, and determina tion of group code performance. The present report contains the results of additional theoretical studies on threshold bounds for analog communication systems; a detailed analysis and evaluation of the use of binary group codes on the Gausnaan noise channel; and a more complete analysis of the performance of multilevel FSK systems which employ noise-like signals. An octary system, a breadboard version imple mented under this program, is described in detail. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1963
- Accession Number
- AD0417037