链路预算

链路预算link budget),是在一个通信系统中对发送端、通信链路、传播环境(大气、同轴电缆波导光纤等)和接收端中所有增益衰减的核算。其通常用来估算信号能成功从发射端传送到接收端之间的最远距离。

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