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    • 62. 发明授权
    • Microstrip antenna device for circularly polarized waves
    • 用于圆极化波的微带天线装置
    • US5003319A
    • 1991-03-26
    • US102732
    • 1987-09-30
    • Yuichi MurakamiKiyokazu Ieda
    • Yuichi MurakamiKiyokazu Ieda
    • H01Q13/08H01Q9/04H01Q13/18
    • H01Q9/0428
    • A microstrip antenna device for circularly polarized waves includes a dielectric sheet member, one surface of which has a radiating conductor sheet member while the opposite surface has a ground conductor sheet member. Denoting a point where a segment of a line passing through a geometrical center o, o of the radiating conductor sheet member intersects with the substantial periphery of the radiating conductor sheet member by a and denoting a point where the segment intersects with the substantial periphery of the ground conductor sheet member by b, the ratio of the length between the points o and b to the length between the points o and a should be at least equal to 1.5. Where rectangular radiating and ground conductor sheet members are used, a good circular polarization is achieved without any disturbance in the radiating pattern when the diagonal ratio of the respective members is equal to or greater than 1.5.
    • 用于圆偏振波的微带天线装置包括电介质片构件,其一个表面具有辐射导体片构件,而相对表面具有接地导体片构件。 表示通过辐射导体片构件的几何中心o的线的一段与辐射导体片构件的实质周边相交的点,并且表示该区段与该辐射导体薄片构件的实质周边相交的点 接地导体片材由b构成,点o和b之间的长度与点o和点a之间的长度之比应至少等于1.5。 在使用矩形辐射和接地导体片构件的情况下,当各构件的对角线比例等于或大于1.5时,实现良好的圆偏振,而不会在辐射图案中产生任何干扰。