Question E8B08
From subelement E8 - E8B
E8B08
Answer: DWhat describes orthogonal frequency-division multiplexing (OFDM)?
AA frequency modulation technique that uses non-harmonically related frequencies
BA bandwidth compression technique using Fourier transforms
CA digital mode for narrow-band, slow-speed transmissions
DA digital modulation technique using subcarriers at frequencies chosen to avoid intersymbol interference