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This article elaborates the concept and meaning of virtual reality technology and virtual maintenance, discusses the virtual reality technology application in the process of equipment maintenance, and gives a brief introduction to virtual maintenance system, which use VC and vega software as a platform and set up by Multigen Creator and 3D MAX, quoted an cannon as an example.
Synthetic Aperture Radar (SAR) raw signal simulation is crucial for SAR system design and processing algorithms. This paper proposes the simulation method of SAR scattering signal of big area terrain target. At first, the SAR imaging principle is analyzed. Then, the space-borne SAR scenario model is constructed. The echoes of point target are calculated, which is impulse response of the SAR signal...
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