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引用第7楼jiangxp268于2010-07-07 08:50发表的 : g$n7CXoT Return Loss 永遠都是負數的,理想天線線VSWR是1:1 但實際是不可能的,我們根椐RL(dB)=20lg(1/|Γ|)公式換算, RL=? l|xZk4@_uE