介绍了一种新型的采用扇形微带馈源的宽带缝隙天线，给出了反射损失曲线和辐射方向图。
A new broadband slot antenna with a fan-shaped microstrip feed is presented, and the return loss curve and radiation patterns of the antenna is simulated in this paper.
舟山港具有作为国内及亚太地区国际航运枢纽港必需的辐射扇形地理条件。
ZHOUSHAN harbor has radiate sector geographical conditions, which is indispensable to be an international ship hinge harbor in our country, intemation and Asia and Pacific.
这些基本体系归类为：辐射形，竖琴形、扇形和星形体系。
These basic system are referred to as radiating, harp, fan, and star systems .
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