图面的简单说明图1所示的是过去跟踪用的接收天线,其中(a)为侧面图,(b)为正面图,图2所示的是本专利的一个实用示例。(a)为侧面图,(b)为正面图,图3为上述实用示例中的扫瞄板的斜视图,图4中的(a)、(b)所示的分别为上述实用示例的反射板及相对该反射板的电波入射角所产生的反射电波位移的说明图。 Brief Description of the Drawings Fig. 1 shows a receiving antenna for tracking in the past, in which (a) is a side view, (b) is a front view, and Fig. 2 shows a practical example of this patent. (a) is a side view, (b) is a front view, FIG. 3 is a perspective view of the scanner in the above practical example, and (a) and And the displacement of the reflected wave caused by the incident angle of the radio wave on the plate and the reflector.