METHODS OF MEASUREMENT FOR EQUIPMENT USED IN DIGITAL MICROWAVE RADIO TRANSMISSION SYSTEMS. PART 1: MEASUREMENTS COMMON TO TERRESTRIAL RADIO-RELAY SYSTEMS AND SATELLITE EARHT STATIONS. SECTION 3: TRANSMISSION CHARACTERISTICS.
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EARH站通用的测量 第3节:传输特性