Research On Broadband Matching Of Underwater Acoustic Transducer

Broadband matching is a basic issue for communication underwater acoustic systems which is common in. The difficulties of broadband matching technique are that load impedance varies with frequency and it can't be expressed with an analytical expression. Broadband matching is difficult because of it.The dissertation mainly includes the design of acoustic transmitter, algorithm of broadband matching network and experimental verification. The acoustic transmitter can control transmitting periodic time and impulse width. The network configuration and network parameters can be got by using of genetic algorithm. The acoustic transmitter and broadband matching are used in experimental verification and test results are got. The algorithm improves source level of the transmitting transducer, improves characteristics of the transducer and expands frequency range of the transmitting system. The result of theoretical calculations is consistent with the experiment. It can prove that the optimization algorithm can receive good results in broadband matching of underwater acoustic transducer.