<p>Disclosed herein is the structure of a Square Quadrifilar Helical antenna (S-QHA). The structure of the S-QHA includes a square column, four radiation elements, and a feed network. The four radiation elements are formed on the square column. The feed network is disposed at the top or bottom of the square column, and feeds signals to the radiation elements at a phase difference of 90 degrees in a clockwise or counterclockwise direction. As a result, the S-QHA according to the present invention can receive circularly polarized signals.</p>
申请公布号
WO2008111799(A1)
申请公布日期
2008.09.18
申请号
WO2008KR01404
申请日期
2008.03.12
申请人
ACTENNA CO., LTD.;MIN, SANG BO;YU, JONG WON;LEE, MOON QUE