Spaceborne radar altimeter is an important activemicrowave remote sensor which is able to measure the oceans with high accuracy.
星载雷达高度计是一种重要的对海洋进行精确测量的主动式微波遥感器。
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The transitions of SIW with microstrip are solved by using concave transition and grounded coplanar waveguide transition, which are convenient for filters synthesized with activemicrowave circuits.