| 摘要 |
PURPOSE:To simplify the handling performance including the manufacture while promoting to make antenna weight light. CONSTITUTION:A sub reflecting mirror 12 made of a metal-made mesh material is arranged opposite to a main reflecting mirror and a 1st feeding section 14 is arranged to a focal position of the main reflecting mirror 10 via the sub reflecting mirror 12 and the transmission of a 1st radio wave from the 1st feeding section 14 is executed by reflecting the radio wave in the sub reflecting mirror 12 and the main reflecting mirror 10, and a 2nd feeding section 15 is arranged directly opposite to a focal position of the main reflecting mirror 10 to execute the transmission of a 2nd radio wave from the 2nd feeding section 15 to be 1ed to the main reflecting mirror 10 through the sub reflecting mirror 12 thereby attaining a desired object. |
