Abstract: A more accurate shooting and bouncing ray method (SBR) based on curvature wavefront ray tracing is proposed for radar cross section (RCS) simulation of triangular meshed curved targets. The ...
Abstract: Precision navigation and positioning are essential for lunar landing exploration missions. Terrain-relative navigation based on crater matching provides an effective means for lander ...
Here's how to create your own animated Christmas tree in Excel: Open up a new spreadsheet. Click the triangle button in the ...
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