Process / pipelineRemote sensing
合成孔径雷达图像分析
将 SAR 想象成一只从太空发出回声定位的蝙蝠。卫星发射雷达脉冲,并监听地面将它们反射回来的强度。像平静的水面这样的光滑表面就像一面镜子,会将信号反射走,返回的能量很少。崎岖的地形、森林或建筑物会将脉冲强烈地散射回来。通过分析回波的强度和极化信息,分析人员可以区分农作物和森林,探测被淹没的田地,或者绘制冰盖图,即使在浓密的云层下或夜间也能做到。
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来源
- Lee, J.-S., & Pottier, E. (2009). Polarimetric Radar Imaging: From Basics to Applications. CRC Press. ISBN: 978-1-4200-5497-2
如何引用本页
ScholarGate. (2026, June 2). Synthetic Aperture Radar (SAR) Image Analysis. ScholarGate. https://scholargate.app/zh/remote-sensing/sar-image-analysis
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