导频中断故障一例山东省莱西市广播电视总站于德喜我站使用北京通信设备厂生产的ＷＳＦ８─０６Ａ微波收发信机及ＷＳＭ０３型调制解调机，该机和其它收发信机一样，设有收信监测电路。它对导频信号和噪音功率进行监测，择优输出形式（合路还是Ａ路或Ｂ路），根据电路的特... A Case of Pilot Breakdown Failure Laixi City, Shandong Province Radio and Television Station in Dexi I station using Beijing Communications Equipment Factory WSF8 ─ 06A microwave transceiver and WSM03 modem, the machine and other transceivers, like the set A receipt monitoring circuit. It monitors the pilot signal and the noise power, the preferred output form (combined or A Road or B), according to the circuit’s special ...