大学英语词汇短语释义解析及例句 antenna aperture


释义：

antenna aperture [电讯] 天线孔径

例句：



For the focusing current distribution over the antenna aperture, the authors have got the field distribution diagrams of the focus and around it.

对于天线口面上的聚焦电流分布，求得了聚焦点及其周围附近的场分布。



Azimuth resolution of meter wave radar can be improved by using super resolution spectrum estimation methods without extending the antenna aperture.

超分辨谱估计技术可以在不增大天线口径的情况下提高米波雷达的方位角分辨力。



This paper presents an idea for the average brightness temperature of antenna aperture and its expression for a lossless antenna with matched and unmatched noise sources.

本文提出了天线口面平均亮度的概念，给出了天线终端接有匹配噪声源和非匹配噪声源时天线口面平均亮温度的表达式。



Phase Array Radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction.

相控阵雷达通过电的方式控制天线孔径面上各辐射单元的相位变化，以实现波束的快速扫描，使其具有灵活、变化快速、多功能等优点。