参数 | 地基雷达 | TRMM/PR |
波段(波长) | S波段(10 cm) | Ku波段(2.2 cm) |
300 km×300 km区域扫描时间/min | 6 | 2 |
扫描方式 | 从下而上 | 从上而下 |
衰减影响 | 可忽略 | 严重 |
地物影响 | 严重 | 小 |
有效照射体积 | 1 km×1°×1° | 5 km×5 km×0.25 km |
最小雷达反射率因子/dBZ | -10 | 18.5 |
Citation: | Chu Zhigang, Xu Dan, Wang Zhenhui, et al. Consistent correction to ground-based radars in the lower reachers of the Yangtze based on TRMM/PR observations. J Appl Meteor Sci, 2018, 29(3): 296-306. DOI: 10.11898/1001-7313.20180304. |
Table 1 Differences between ground-based radar and TRMM/PR observations
参数 | 地基雷达 | TRMM/PR |
波段(波长) | S波段(10 cm) | Ku波段(2.2 cm) |
300 km×300 km区域扫描时间/min | 6 | 2 |
扫描方式 | 从下而上 | 从上而下 |
衰减影响 | 可忽略 | 严重 |
地物影响 | 严重 | 小 |
有效照射体积 | 1 km×1°×1° | 5 km×5 km×0.25 km |
最小雷达反射率因子/dBZ | -10 | 18.5 |
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Table 1 Differences between ground-based radar and TRMM/PR observations
参数 | 地基雷达 | TRMM/PR |
波段(波长) | S波段(10 cm) | Ku波段(2.2 cm) |
300 km×300 km区域扫描时间/min | 6 | 2 |
扫描方式 | 从下而上 | 从上而下 |
衰减影响 | 可忽略 | 严重 |
地物影响 | 严重 | 小 |
有效照射体积 | 1 km×1°×1° | 5 km×5 km×0.25 km |
最小雷达反射率因子/dBZ | -10 | 18.5 |