Spotlight SAR Sensor Model Supporting Precise ...

5.2.1.1 Slant Plane Unit Vector Computation 32. 5.2.1.2 Ground Plane Unit Vector Computation 33. ... The ENU system is formed by a plane tangent to the Earth’s surface at a point designated as the ENU origin. In the ENU system, the “Up” axis is normal to the local tangent plane and positive toward the local zenith. The North axis is ... ................
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