Lus Txhais Hauv Chav Tsev Hauv Cov Kev Sib Txuas Lus Optical

Apr 21, 2021

Tso lus

1. dB=10 log10 (Pout / Pin) Pout: tso zis muaj zog; Tus pin: input lub zog

2. dBm=10 log10 (P / 1mw), yog ib chav ua haujlwm dav siv hauv kev sib txuas lus engineering; nws feem ntau sawv cev ntawm lub zog kho qhov muag nrog 1 milliwatt raws li siv;

3. dBu=10 log10 (P / 1uw)


Xa kev nug