%0 Journal Article
%T Software defined underwater acoustic communication system based on Visual C and PC<br>基于Visual C和PC的软件水声调制解调系统
%A YAN Guo-xiong
%A WANG Qian
%A TONG Feng
%A <br>颜国雄
%A 王潜
%A 童峰
%J 海洋科学
%D 2009
%I 
%X In this paper, we present a DS/DBPSK(direct sequence spread spectrum/ differential binary phase shift keying )communication technology, which combines anti-multi-path and anti-jamming spread spectrum technology with differential phase modulation, the latter has better channel adaptation and avoid the adoption of phase recover in demodulation. Employing the double-buffer and multi-threading technology to guarantee a real-time processing, a software defined underwater acoustic modem system is designed based on Visual C++ and PC. The system is a verification experiment for DS-DBPSK technology in shallow water communication and will support underwater acoustic networks. The experimental results on sea demonstrated the effectiveness of this system.
%K Visual C(VC)<br>直接序列扩频(DSSS)
%K 直接序列扩频/差分二相相移键控(DS/DBPSK)
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=2D9C75573FA3E416&jid=DFE7B94EB76B8F26135C9890832CEF6A&aid=BBAB283E4620D48EA033C5722974EDC9&yid=DE12191FBD62783C&vid=27746BCEEE58E9DC&iid=5D311CA918CA9A03&sid=AA76E167F386B6B3&eid=80A07035DF96B0C4&journal_id=1000-3096&journal_name=海洋科学&referenced_num=0&reference_num=11