YD/T 828.11-1996
數字微波傳輸系統中所用設備的測量方法.第1部分:地面無線接力系統和衛星通信地球站通用的測量.第1節:總則
Measuring method of equipments used in digital microwave transmission system Part 1 General measurement of terrestrial radio-relay systems and satellite communication earth stations Section 1: General rules