CAJ | 학술논문

论文研究了水声通信系统的组成原理及各部分功能，结合水声通信信道特性对水声通信系统的影响，研究并提出了用QPSK调制技术设计水声通信系统。确立了水声通信系统数学模型，以Matlab为工具对整个系统进行仿真分析，通过理论研究和仿真可以发现，QPSK调制技术在水声通信中的应用可以有效抑制多径扩展和海洋噪声，减少误码率，确保水声通信的可靠性，提高通信速率。
논문연구료수성통신계통적조성원리급각부분공능，결합수성통신신도특성대수성통신계통적영향，연구병제출료용QPSK조제기술설계수성통신계통。학립료수성통신계통수학모형，이Matlab위공구대정개계통진행방진분석，통과이론연구화방진가이발현，QPSK조제기술재수성통신중적응용가이유효억제다경확전화해양조성，감소오마솔，학보수성통신적가고성，제고통신속솔。
This paper studies the principle of underwater acoustic communication system components and the parts fea‐ture ,and proposes to use QPSK modulation technique to design underwater acoustic communication system combining with the impact of underwater acoustic communication channel characteristics of underwater acoustic communication system .The mathematical model of underwater acoustic communication system is established ,and the whole system is simulated and ana‐lyzed with Matlab .Through theoretical studies and simulation ,it is found that QPSK modulation techniques can effectively inhibite multipath expansion in underwater acoustic communication applications ,reduce the error rate of ocean noise ,ensure the reliability of underwater acoustic communication ,and improve communication rate .