NF EN 62153-1-1:2004
通信金屬電纜的測試方法 第1-1部分:電氣 使用離散傅里葉逆變換(DIFT)測量頻域中的單脈沖/階躍回波損耗
Test methods for metallic communications cables - Part 1-1: electrical - Measurement of single-pulse/step reflection loss in the frequency domain using the Inverse Discrete Fourier Transform (TIFD)