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字词 balance return loss
释义 balance return loss
平衡回波损耗
In communications, a measure of the effectiveness with which a balancing network simulates the impedance of the twowire circuit at a hybrid coil. It is usually expressed in decibels and its value is given by the expression: 20log&-{10} (Z&-{B}+Z&-{L})/(Z&-{B}-Z&-{L}), where Z&-{B} is the impedance of the balancing network and Z&-{L} that of the line.
在通信技术中,对“平衡网络在混合线圈上模拟二线线路阻抗”的有效程度的一种量测, 通常用“分贝”表示,其值由下式给出:20log&-{10}(Z&-{B}+Z&-{L})/(Z&-{B}-Z&-{L}),其中 Z&-{B}是平衡网络的阻抗;Z&-{L}是该线路的阻抗。
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更新时间:2026/10/23 22:59:18