end-to-end development of electronic systems for interception, detection and classification, analysis and interpretation of man made, intelligence bearing electromagnetic signals classification of RF signals by spectral occupancy, modulation type, and symbol rate specific RF emitter recognition; identification of digital line coding formats, digitized speech, V.xx modem protocols and facsimile transmissions non-cooperative exploitation of single channel per carrier, direct sequence, frequency-hopped and FH/DS hybrid spread spectrum communications signals