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本文探讨了采用过模矩形波导作为低损耗高功率毫米波传输线的可能性。制作了一套包括模式激励器、模式滤波器、弯波导和热膨胀接头等在内的过模波导元件,以此组成了一个适用于8毫米频段的低损耗高功率实验性传输系统。并就其模式纯度和衰减特性等作了初步测试。
This article explores the possibility of using an overmodulated rectangular waveguide as a low loss, high power millimeter wave transmission line. A set of over-mode waveguide elements including mode exciters, mode filters, curved waveguides and thermal expansion joints were fabricated to form a low-loss, high-power experimental transmission system for the 8-mm band. And made preliminary tests on its mode purity and attenuation characteristics.