摘要
深水网箱养殖是目前国内外海水鱼类养殖业可持续发展的总体趋势和必然要求。网箱中必须要配置实时监测水下鱼群动态的鱼群状态监测仪。为了满足监测仪多种频率和脉宽选择的需要 ,提出了一种基于单片微机AT89C5 1和 RAM/ IO扩展器 815 5产生连续多路脉宽、频率可调信号源的方案。实验结果表明该方案简单易行 ,准确可靠 ,容易推广。
Nowadays, marine fish culturing in net-cage of deep water is necessary to ensure that marine fish culturing develops continually A net-cage must be equipped with an acoustic monitor to detect the real-time status of shoals In order to meet the muli-choice requirement of frequencies and pulse widths, the paper proposes a method based on AT89C51 single chip microcomputer and 8155 chip The experimental results show that the method is simple, convenient, accurate, reliable and easily generalized
出处
《海洋技术》
北大核心
2003年第4期74-78,共5页
Ocean Technology
基金
福建省自然科学基金 (D0 2 10 0 0 5 )
福建省科委重大项目资助项目
