also providing one groove running along the outside periphery, whose depth is about 1/4 wave length of a working frequency, or plural grooves whose radiuses are different from each other, in the pipe axis direction of a conical horn at the outside of an opening part of the conical horn....
6) horn feed antenna 喇叭形天线补充资料:喇叭天线 波导管终端渐变张开的圆形或矩形截面的微波天线。它是一种面天线(见图),也称为喇叭。它的辐射特性由口面的尺寸与场分布决定,而阻抗由喇叭的颈部(始端不连续处)和口面的反射决定。 圆锥喇叭和角锥喇叭传播的是球面波,而在一个面(E或H面)张开的扇形喇叭中...
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In this paper, basic concept and design process of the Conical Corrugated horn antenna is presented. The mode combination is established by exciting the dominant mode (TE11) in the circular wave-guide that feeds the horn, and converting into HE11 using variable pitch-to-width-slot mode ...
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A manufacturing method for a three dimensional conical horn antenna coupled image detector includes depositing a sacrificial layer on the upper section of the substrate, and forming a pattern for the
antennaA broadband conical double-ridged horn (DRH) antenna with symmetrical radiation patterns, low side lobe level, and low cross polarization is presented. Experimental investigations and detailed simulations are conducted to understand its behavior and to optimize for broadband operation. Good ...
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