求以下论文，谢谢: Comparative study of high performance GPS receiving antenna designs.pdf

     [1]Juan I Ortigosa, Neus Padros, Magdy F Iskander. Comparative study of high performance GPS receiving antenna designs. IEEE International Symposium Antennas and Propagation Society, 1996,3:1958 - 1961
        [2]Desphand M. Rectangular microstrip antenna for circular polarization. IEEE Trans on Antenna and Propagation, 1986,34(5) : 744 - 746
         [3]Chen Yen-Yu, Wong Kin-Lu. Low-profile broadband printed quadrifiar helical antenna for broadcasting satellite application. Microwave Opt Technol Lett, 2003, 36 (2): 134-136
         [4]Shumaker P K, Ho C H, Smith K B. Printed half-wavelength quadrifilar helix antenna for GPS marine applications. Electronics Letters, 1996,32(3) : 153 - 154
     [5]Dyson J D. The characteristics and design of the conical log-spiral antenna. IEEE Trans on Antenna and Prop, 1965, 13(4) : 488 -499
         [6]Yang Shiwen, Tan Soon Hie. Boradband conical printed quadrifilar helical antenna with integrated feed network. Microwave Opt Technol Lett, 2002,35(6) : 491 -493[7]Sharaiha A, Terret C, Blot J P. Printed quadrifilar resonant helix antenna with integrated feeding network. Electronics Letters, 1997, 33(4) : 256 -257

[ 本帖最后由 liyingsong 于 2008-6-28 05:11 PM 编辑 ]

辛苦拉:31bb :31bb :31bb

谢谢，辛苦了