干旱区稀疏植被覆盖条件下地表土壤水分微波遥感估算

丁建丽, 姚远

Evaluation of Soil Moisture Contents Under Sparse Vegetation Coverage Conditions Using Microwave Remote Sensing Technology in Arid Region

Jian-li DING, Yuan YAO

表2 HH极化入射角对应各系数值

Table 2 The coefficients of different incidence angle

θ A(θ) B(θ) C(θ) 标准偏差 R2 θ A(θ) B(θ) C(θ) 标准偏差 R2 10 2.474 2.405 12.380 0.607 0.831 36 2.954 3.387 1.103 0.526 0.919 12 2.492 2.604 11.565 0.678 0.825 38 2.982 3.416 0.568 0.539 0.912 14 2.512 2.796 10.638 0.659 0.827 40 3.012 3.469 -0.053 0.465 0.926 16 2.537 2.832 9.658 0.600 0.852 42 3.073 3.506 -0.465 0.403 0.932 18 2.578 2.901 8.065 0.687 0.815 44 3.146 3.559 -1.011 0.398 0.936 20 2.602 2.985 7.049 0.596 0.895 46 3.201 3.625 -1.368 0.423 0.930 22 2.691 3.024 6.123 0.632 0.829 48 3.267 3.687 -1.769 0.369 0.942 24 2.725 3.068 5.326 0.645 0.823 50 3.301 3.712 -2.145 0.354 0.951 26 2.767 3.102 4.505 0.651 0.825 52 3.364 3.765 -2.687 0.312 0.962 28 2.802 3.159 3.724 0.598 0.898 54 3.412 3.829 -3.269 0.201 0.989 30 2.842 3.211 3.012 0.603 0.836 56 3.478 3.897 -3.755 0.102 0.995 32 2.897 3.275 2.225 0.643 0.823 58 3.521 3.946 -4.052 0.326 0.960 34 2.921 3.326 1.687 0.586 0.901 60 3.586 4.012 -4.368 0.128 0.992