EN 60835-2-1-1994 数字微波无线电传输系统使用设备的测量方法.第2部分:地面无线电中继系统的测量.第2-1节:总则(IEC 835-2-1-1990)
Methods of Measurement for Equipment Used in Digital Microwave Radio Transmission Systems Part 2: Measurements on Terrestrial Radio- Relay Systems Section 2.1: General