Shinkai39 A证到手快一年半,也是下定决心捡起无线电。最近翻《业余无线电通讯》这本书,看到“业余短波天线”这一章,发现压根看不懂,就连开头的谐振回路都搞不懂(最后看了网课还迷迷糊糊的),非常受打击。我是在校大学生,学的临床专业不上大学物理,所以很多东西都没基础(高中理科的物理中上但基本也忘光了)。发帖问问热心的HAM有没有什么建议?虚心请教,即使后面没太多时间搞也会见缝插针。
SuoYuC You can simply jot down the key conclusions for a few questions from the BC-type question bank, and you don't need to worry about how they are calculated when playing.
BG5VQE 非 EE 专业的学习可以以B站科普类视频为主,比如 LC 谐振,电偶极子,电磁场基本知识,调制解调等。这些科普类会做的比较通俗,不那么枯燥。系统地学习会很费时间,没有太大必要。 关于系统学习,我在其他位置的回答,可供参考:https://forum.hamcq.cn/d/3401/6 但还是推荐以科普类视频为主,遇到不理解的就搜对应的就好啦,想深究再去找教材。 再打个“广告”:《电磁场与电磁波(第五版 谢处方)》思考题答案整理
BI1MXY Let's start with Yagi antennas in the UV band, such as building a DIY Yagi antenna. I'm also a beginner, and I successfully built a Yagi antenna that allows satellite communication, which gives me a great sense of accomplishment.