闪电河流域L波段地基微波辐射计RFI检测与电磁环境分析
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姜涛,郑兴明,李晓洁,李晓峰,赵凯
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Detection of RFI in Ground-based L-band Radiometer and Analysis on Electromagnetic Environment in the Shandian River Basin
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Tao Jiang,Xingming Zheng,Xiaojie Li,Xiaofeng Li,Kai Zhao
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表1 中值比较算法与APB算法的检测结果对比
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Table 1 Comparison of detection results between median comparison algorithm and APB algorithm
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| 地点编号 | 经纬度 | 观测日期 | 观测目标 | 极化 | 中值比较算法 | APB算法 |
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| 最大干扰量级/K | 检测率 /% | 最大干扰量级/K | 警告率 /% | 检测率 /% |
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| F1 | 116.494 088o E 42.203 106o N | 2018/09/12 | 水体 | H | 55.42 | 22.51 | 55.45 | 5.82 | 3.86 | | V | 24.31 | 22.10 | 24.43 | 8.38 | 4.73 | | F2 | 115.888 652o E 42.306 303o N | 2018/09/26 | 草地 | H | 4.87 | 13.29 | 5.01 | 7.68 | 4.19 | | V | 4.02 | 11 | 4.42 | 12.99 | 7.23 | | F3 | 115.718 307o E 41.717 390o N | 2018/09/26 | 水体 | H | 3.77 | 9.55 | 3.95 | 5.83 | 2.85 | | V | 4.47 | 12.75 | 4.80 | 11.32 | 6.35 | | F4 | 115.922 069o E 42.117 544o N | 2018/09/27 | 裸土 | H | 1.56 | 5.43 | 1.73 | 6.19 | 2.88 | | V | 4.43 | 9.71 | 4.66 | 10.56 | 5.64 | | F5 | 115.909 589o E 41.992 272o N | 2018/09/16 | 胡萝卜 | H | 1.69 | 5.87 | 1.95 | 5.99 | 2.81 | | V | 3.00 | 6.34 | 3.11 | 7.31 | 3.68 | | F6 | 115.924 444o E 41.997 222o N | 2018/09/19 | 裸土 | H | 3.14 | 7.08 | 3.27 | 6.68 | 3.29 | | V | 3.12 | 10.18 | 3.28 | 7.06 | 3.75 | | F7 | 115.887 500o E 41.963 056o N | 2018/09/20 | 马铃薯 | H | 2.78 | 8.38 | 2.96 | 7.65 | 3.78 | | V | 3.39 | 11.25 | 3.51 | 8.28 | 4.42 | | F8 | 115.940 000o E 41.700 277o N | 2018/09/25 | 草地 | H | 4.73 | 4.00 | 4.87 | 5.77 | 2.74 | | V | 7.49 | 7.84 | 7.69 | 8.84 | 4.99 |
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