有关水声通信中基于OFDM的多普勒频移的估计与补偿-the underwater communication OFDM-based Doppler frequency shift and the estimated compensation

This project aim was to build wireless software modem for data communication between two computers using an acoustic interface in the voice frequency range (20Hz– 20,000Hz). The transmitting antenna is a speaker (frequency response of: 90Hz – 2