摘要:
2、 https://blog.csdn.net/tiandiren111/article/details/116078214 db = 10lg(P1/P0) dbm = 10lg(P1/1mw) uw-dbm.xlsx =10*(LOG10(C5/1000)) 由uw算dbm =(10^(E5/ 阅读全文
posted @ 2024-11-17 17:03
cnchengv
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