正文 第055章 谁是解题的大神(第2页/共3页)
60%。
而那40%能及格的,大概率不是因为卷面成绩好,而是因为平时表现好,教授酌情给分及格。
高频电路为什么会这么难呢?
这是因为,这个他涉及了几个科目基础。
需要结合模拟电路,信号原理,高数,电磁场等几个科目知识的交叉应用。
而这几门课,随便拿一科出来,就是很容易挂科的科目。
如果说高数模拟电路会让人掉头发,那么高频电路绝对能让人秃顶。
连基础科目都没整明白,到了高频电路,就是难上加难,地狱级别的难度。
就算是学霸,提及高频电路,也是噩梦一般的存在。
原因无他,太难了!
不过对于其他人来说难的,在周灵韵这里不一定就难。
学生时代,学习高频电路不会深入学习,也不经常应用到,没经常做实验什么的,其实是不可能做到深刻和理解。
但是周灵韵不一样,在21世纪研究通信专业的,对于高频电路的应用还是挺广泛,各种电路设计和测试都整过,她虽然不算电路专家,不过记忆里的东西还是挺深刻的。
周灵韵看了下这题目,题目是一个高频电路信号发射,涉及信号的处理。
只是这个电路信号不稳定,测试出来的信号数值与设计值有偏差。
周灵韵想了下,这不就是要解决信号干扰问题吗?
在通信传输过程当中,干扰是普遍存在的。
干扰会让信号失真或丢失,通俗点讲,就是两个人在说话,当有第三个出来大喊大叫,那么原先两个人就没法听清楚对方的话,这第三个就是信号干扰。
也没想太多,周灵韵就拿起草稿纸,画了一个电路图,改进电路,加了滤波等元器件,然后特别说明了电路图拼接注意事项,元器件选取等问题。
洋洋洒洒,一张草稿纸就搞完了。
然后她就把解题思路贴在了问题上面。
搞完以后,她也没当一回事就回宿舍了。
只是过了几天,无线电学院的裴长啸教授过来图书馆,就看到这一条解题思路,思路挺新颖了,引进了新的器件,用到了数字电路模块。
这真的行吗?
解题草稿纸上面没有留下署名,也不知道是谁留下来的。
这
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