【Key words】 KNN； Forest Volume； Remote Sensing； Estimation and Retrieval；
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At home,the method of KNN is less used in the estimation and retrieval of forest volume in the boreal and sub-boreal regions, even not researched in the subtropical regions.
在国内,KNN方法的森林蓄积量估计和反演在中国寒带和亚寒带地区的运用较少,而在亚热带地区则没有涉足。
参考来源 - 基于KNN法的森林蓄积量的遥感估计和反演·2,447,543篇论文数据，部分数据来源于NoteExpress
实际观测数据计算表明，回归M-估计和常规正则化反演方法结合，能提高弛豫谱估计精度和孔隙率计算效果。
The results of real data calculation show that combining RME with ordinary regularization inversion can improve the precision of relaxation spectra and the effect of calculated porosity.
在反射系数白噪、子波最小相位的假设下，研究基于线性反演的地震反射系数和子波同时估计问题。
Assuming white noise reflectivity and minimum phase wavelet, the estimation of them simultaneously by linear inversion algorithm is studied.
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