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为确保电视、调频广播发射天馈线系统在高空恶劣环境中能正常工作,遇有故障能及时处理,本文根据传输线理论推导出确定天馈线系统故障部位的公式。介绍了运用该公式处理几例故障的步骤和方法。总结出维护电视、调频发射天馈线系统的经验。
In order to ensure that the television and FM radio transmitting antenna feeder system can work normally in harsh environment at high altitude and in case of failure can be handled in time, this paper deduces the formula to determine the fault location of the antenna feeder system according to the transmission line theory. The steps and methods of using this formula to deal with several faults are introduced. Summed up the maintenance of television, FM transmitter antenna feeder system experience.