YD/T 820-1996
Technical requirement and test method of 64Kbit/s baseband modem 64kbit/s基带调制解调器技术要求及检测方法 |
YD/T 828.23-1996
Measuring method of equipments used in digital microwave transmission system Part 2 Measurement of terrestrial radio-relay systems Section 3: RF splitting/combination networK 数字微波传输系统中所用设备的测量方法 第2部分:地面无线接力系统的测量 第3节:射频分并路网络 |
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