参数 | 数值 |
平均功率(W) | 19.2 |
距离范围(m) | 3450~6250 |
视角范围(°) | 48~70 |
采样频率(MHz) | 400 |
波长(m) | 0.09375 |
距离采样间隔(m) | 0.375 |
接收机增益(dB) | 67 |
飞机速度(m/s) | 70 |

Citation: Yabo LIU, Lin LIU, Zhiyong TONG, Zhongjun YU. A Radiometric Calibration and Error Analysis Method for HWRS SAR at S-band[J]. Journal of Electronics and Information Technology, 2019, 41(8): 1946-1951. doi: 10.11999/JEIT180983

S波段高分辨宽幅SAR辐射定标及误差分析方法
English
A Radiometric Calibration and Error Analysis Method for HWRS SAR at S-band
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表 1 雷达及飞行参数表
表 2 定标器RCS测量结果(dB)
像素值 绝对辐射精度 定标图 检验图 定标图 检验图 1°误差图 T1 128.8 128.2 20.5 19.9 18.7 T2 128.4 128.4 20.1 20.0 19.0 T3 128.4 128.7 20.1 20.3 19.3 T4 128.9 129.3 20.6 21.0 20.1 T5 129.1 129.5 20.8 21.2 20.9 T6 129.1 129.4 20.8 21.0 21.4 T7 128.9 129.0 20.6 20.6 22.0 T8 128.6 128.6 20.3 20.2 21.9 T9 128.3 128.7 20.0 20.3 22.7 T10 128.3 128.6 20.0 20.2 22.4 -