Methods of measurement for equipment used in digital microwave radio transmission systems; part 1: measurements common to terrestrial radio-relay systems and satellite earth stations; section one: general (IEC 60835-1-1:1990); German version EN 60835-1-1:1992
数字微波无线电传输系统所用设备的测量方法;第1部分:地面无线电中继系统和卫星地面站的通用测量;第一节:总则(IEC 60835-1-1-1990);德语版本EN 60835-1-1:1992