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1.引言毫米波的应用并不是新话题。长期以来,设计毫米波元件和组件的工程师,一直向通信系统工程师询问关于毫米波技术可能的应用情况。后者的回答始终很谨慎,或者是含糊其词。长期以来,人们认为圆波导是毫米波通信在民用领域的火车头。但是,波导长期停滞不前,未能实现线路实用化的愿望。
1. Introduction Millimeter-wave applications are not new topics. Engineers designing millimeter-wave components and components have long been asking communication system engineers about possible applications for millimeter-wave technology. The latter’s answers are always cautious or vague. For a long time, circular waveguides were thought to be locomotives of millimeter-wave communications in the civil domain. However, the wave of long-term stagnation, failed to achieve the practical use of the line.