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本文回顾六十年代初期在美国和澳大利亚,对圆口径波纹喇叭的同时而独立的研制工作,研制要点包括大张角波纹“标量”喇叭和反射面天线焦区场的特性以及照射反射面所需要的单模与多模的圆柱波纹喇叭。
This article reviews the simultaneous and independent development of circular-aperture corrugated speakers in the United States and Australia in the early 1960s. The main points of development include the characteristics of the focal field of the large-angle horn “scalar” horn and the reflector antenna, and the need to illuminate the reflector Single-mode and multi-mode cylindrical corrugated speakers.