z接口全连接测试方法及中继接口测试方法

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1、Z接口全连接测试方法及中继接口测试方法1.1.1.1.2Z接口全连接及中继接口测试方法目录1说明...................................................................................................................................................................21.1测试指标依据：...............................................

2、....................................................................................21.2总要求：...............................................................................................................................................21.3仪器：...........................

3、........................................................................................................................21.4本测试方法的适用范围：...................................................................................................................2全连接分机间指标测试方法......

4、.....................................................................................................................22.1传输衰耗：...........................................................................................................................................22.2

5、传输衰耗短期变化：...........................................................................................................................32.3传输损耗一致性：.............................................................................................................................

6、..32.4频响（频率衰耗失真）.......................................................................................................................32.5增益随输入电平的变化.......................................................................................................................3

7、2.6绝对群时延...........................................................................................................................................42.7群时延失真.................................................................................................................

8、..........................42.8衡重杂音...................................................................................