Adaptive Modem Open PDF Document Details Document Type Technical Report Publication Date Nov 16, 1999 Accession Number ADD019806 Entities People Robert A. Benson Jr. Organizations United States Department of the Navy Tags DTIC Thesaurus Topics Coders Communication Channels Communication Systems Data Rate Data Transmission Decoders Decoding Demodulation Doppler Effect Frequency Frequency Shift Inventions Modulation Modulators Patent Applications Patents Signal Processing