… underwater acoustic signal … demodulation method based on linear frequency modulation
signal analysis and process⁃ ing. Through the strength analysis of linear frequency modulation …

… communication between airborne platforms and underwater … modulation and demodulation
techniques based on single-pulse recognition have achieved satisfactory communication …

… method was designed to modulate and demodulate the pulse position. The pulse position
modulation and demodulation … frame header method. On this basis,a 1 550 nm pulse position …

… a method for high-dimensional information modulation and demodulation using a vortex
beam for underwater wireless optical communication by identifying the superposition state of …

… It is not valid in underwater acoustic communication because … signal modulated by the carrier
signal, and is given as … However, the DSSS signal can still be demodulated from the output …

… and development of underwater acoustic communications and networks are introduced,
the key techniques in UAC and UACN, including modulation, demodulation and signal detection …

… communication systemusing orthogonal frequency division multiplexing (OFDM). To solve
this problem, we propose a demodulation … of underwater acoustic OFDM demodulation …

… ) performance of underwater wireless optical communication (… algorithm was used to compare
the demodulated waveforms … modulation performance is superior to OOK modulation and …