协方差阵非负约束的赫尔默特方差分量估计
王乐洋, 赵雄, 许文斌, 汪驰升, 方楠, 谢磊
Helmert variance component estimation with non-negative constraint of covariance matrix
WANG Leyang, ZHAO Xiong, XU Wenbin, WANG Chisheng, FANG Nan, XIE Lei
测绘学报
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2022, (3): 351
-360
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DOI: 10.11947/j.AGCS.2022.20200333
