RADARSAT-2波束模式

RADARSAT-2雷达产品模式及对应的幅宽北京揽宇方圆信息技术有限公司遥感影像客服中心热线：4006019091波束模式产品像元大小（距离×方位）（m）分辨率（距离×方位）（m）幅宽（km*km）入射角（°）视数极化方式聚束模式SpotlightSLC1.3×0.41.6×0.818×820-541×1可选单极化（HH/HV/VV/VH）SGX1or0.8×1/34.6-2.0×0.8SGF0.5×0.5SSG,SPG超精细Ultra-FineSLC1.3×2.11.6×2.820×2020-541×1SGX1×1or0.8×0.84.6-2.0×2.8SGF1.56×1.56SSG,SPG宽幅超精细*WideUltra-FineSLC1.3×2.11.6×2.850×5029-501×1SGX1.0×1.03.3-2.0×2.8SGF1.56×1.56SSG,SPG多视精细MultilookFineSLC2.7×2.93.1×4.650×5030-501×1SGX3.13×3.1310.4-6.8×7.62×2SGF6.25×6.25SSG,SPG宽幅多视精细*WideMultilookFineSLC2.7×2.93.1×4.690×5029-501×1SGX3.13×3.1310.8-6.8×7.62×2SGF6.25×6.25SSG,SPG超宽精细**Extra-FineSLC2.7×2.93.1×4.6125×12522-491×1SGX2.0×2.08.4-4.1×4.6SGF3.13×3.13SSG,SPG精细FineSLC4.7×5.15.2×7.750×5030-501×1可选单或双极化(HH/HV/VV/VH或HH+HV/VV+VH）SGX3.13×3.1310.4-6.8×7.7SGF6.25×6.25SSG,SPG宽幅精细*WideFineSLC4.7×5.15.2×7.7150×15020-451×1SGX3.13×3.1314.9-7.3×7.7SGF6.25×6.25SSG,SPG标准StandardSLC8or11.8×5.19or13.5×7.7100×10020-521×1SGX8.0×8.026.8-17.3×24.71×4SGF12.5×12.5SSG,SPG宽模式WideSLC11.8×5.113.5×7.7150×15020-451×1SGX10.0×10.040-19.2×24.71×4SGF12.5×12.5SSG,SPG扫描窄模式ScanSARNarrowSCN,SCF,SCS25×2581-38×60300×30020-462×2扫描宽模式ScanSARWideSCW,SCF,SCS50×50163-73×100500×50020-494×2高入射角ExtendedHighSLC11.8×5.113.5×7.775×7549-601×1单极化（HH）SGX8.0×8.018.2-15.9×24.71×4SGF12.5×12.5SSG,SPG低入射角ExtendedLowSLC8.0×5.19.0×7.7170×17010-231×1SGX10.0×10.052.7-23.3×24.71×4SGF12.5×12.5SSG,SPG精细全极化FineQuad-PolSLC4.7×5.15.2×7.625×2518-491×1全极化（HH+VV+HV+VH）SGX3.13×3.1316.5-6.8×7.6SSG,SPG宽幅精细全极化*WideFineQuad-PolSLC4.7×5.15.2×7.650×2518-421×1SGX3.13×3.1317.3-7.8×7.6SSG,SPG标准全极化StandardQuad-PolSLC8or11.8×5.19or13.5×7.625×2518-491×1SGX8×3.1328.6-17.7×7.6SSG,SPG宽幅标准全极化*WideStandardQuad-PolSLC8or11.8×5.19or13.5×7.650×2518-421×1SGX8×3.1330.0-16.7×7.6SSG,SPG―SLC（SingleLookComplex），即单视复型产品。它保留了SAR相位信息，以32bit复数形式记录图像数据。―SGX（SARGeoreferencedExtraFineResolution），即SAR地理参考超精细分辨率产品。地距产品，该产品依据Nyquist采用定律采用较小的像元大小。―SGF（SARGeoreferencedFineResolution），即SAR地理参考精细分辨率产品。地距产品，与SGX相仿，采用较大像元大小16bit。―SCN（ScanSARNarrowBeam），即窄幅ScanSAR产品。图像采用25m×25m的像元大小。―SCW（ScanSARWideBeam），即宽幅ScanSAR产品。图像采用50m×50m的像元大小。―SSG（SARSystematicallyGeocoded），即SAR地理编码系统校正产品。该产品在SGF产品的基础上进行了地图投影校正。―SPG（SARPrecisionGeocoded），即SAR地理编码精校正产品。该产品与SSG产品相仿，不同之处在于采用地面控制点对几何校正模型进行修正，从而大大提高了产品的几何精度。加*模式为新增加模式