GPS天線設計量測【2008-3-27】GPS¤u]-pPqú v : RD1 Lú° 2008/3/27 1 ¤j 2008/3/27 2 e¨ 2008/3/27 3 ¤u°ò[ (Guided wave)Pgi (Radiated wave) à 2008/3/27 (àq ) 4 ¤u° Radiation pattern (g ) Directivity (üV ) Polarization (¤ ) Gain (Wq ) ÷ 2008/3/27 5 é¤J§ (qy¤§G ) q÷ ¤u÷ ¤u¤ Z X Y Z u¤ X Y ê¤ 2008/3/27 6 u¤u qy¤èV feed point 2008/3/27 Patch antenna feed point 7 ê¤u 90×C AR (Axial Ratio) i ……