搜索 - 科创

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一、前言大约两个四个月前，我开始在某个卫星项目的团队内负责进行通信体制设计方面的工作。虽然笔者作为一个入门级的业余无线电爱好者，在此之前曾接收过许多卫星的遥测信息，也尝试过数据模式的通信，但是都是以一...

来点图这个是我手头最老的还能工作的管子 RCA 30 万能管箱子里还有2个更老的RCA30 已经灯丝烧了以及一个罕见的NAVY的军品30 也烧了这个是刚刚做完的离子扬声器但是目前还没有弄出弧貌...

引用第11楼wwt-s于2011-09-08 21:01发表的回 10楼(jrcsh) 的帖子 :我原来也是这样想的，后来做了才知道并不是想像中那样，干扰什么的，反应慢，可能是你的接收到的信号发...

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