摘要
固态化、数字化中波发射机作为一种新型、高效的发射设备,因其突出的性能优势在各发射台得到广泛应用.该发射机对天馈线系统的匹配指标相比传统发射机要求较高.针对这一问题,基于固态化、数字化中波发射机的特点,结合对天馈线系统的频率响应、电压驻波比、匹配阻抗、防雷性能、稳定性及可靠性等各方面的技术要求展开详细论述,对其实际应用和推广提供技术支持和指导,具有一定的实用价值.
Abstract
As a new and efficient transmitting equipment,solid-state and digital medium wave transmitter has been widely used in various transmitting stations because of its outstanding performance advantages.Compared with the traditional transmitter,the matching index of the antenna feeder system is higher.To solve this problem,based on the characteristics of solid-state and digital medium wave transmitter,this paper discusses in detail the technical requirements of frequency response,voltage standing wave ratio,matching impedance,lightning protection performance,stability and reliability of the antenna feeder system,and provides technical support and guidance for its practical application and promotion,which has certain practical value.
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