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Author:
Journal / Book Title:
Year:
Volume:
Issue:
shu zi cun chu ji lu qi
Author(s):
Lu Besheng Wang Jianzhong
Pages:
5
-
10
Year:
1983
Issue:
4
Journal:
Ocean Technology
Keyword:
记录器
;
存储器
;
数字存储
;
回波信号
;
列计数器
;
画面
;
静态移位寄存器
;
显示器
;
输出寄存器
;
变换器
;
Abstract:
<正> 一、引言记录器是鱼群探测仪中的主要终端显示设备。特别是在垂直鱼探仪中,几乎是必不可少的。人们用它来记录目标回波、判别鱼群种类、估计目标的大小及有无捕捞价值等。并在长期的使用过程中,通过不断地改进,在技术上也有了很大发展,从干式记录到湿式记录,以及为了提高记录速度由单笔发展到多笔记录方式等等。现在出现了一个新的动向:用示波管记录器取代机械记录式的记录器。它的出现必将引起人们广泛的兴
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