Metallic communication cables test methods - Part 1-1: Electrical - Measurement of the pulse/step return loss in the frequency domain using the Inverse Discrete Fourier Transformation (IDFT) (IEC 62153-1-1:2003); German version EN 62153-1-1:2004
金属通信电缆试验方法第1-1部分:电气用离散傅里叶逆变换(IDFT)在频域内测量脉冲/阶跃回波损耗(IEC 62153-1-1-2003);德文版EN 62153-1-1:2004