说明：  针对分布式小卫星立体阵中沿航向基线与垂直航向基线互相耦合及无法分别估计的难题,提出 了一种新的分布式小卫星立体基线误差估计方法. 在图像域,利用图像配准方法分离两类基线,并通过 图像配准与子空间分解的方法分别对两类基线误差进行估计. 该方法操作简单,运算量小,估计精度达 到了毫米级.
(　In 32D dist ributed small satellites , the along2t rack baseline couples with the vertical2t rack ones , which makes it difficult to estimate them , respectively. A new 32D baseline error estimation method for dist ributed small satellites is proposed in this paper. This method separates the two kinds of baselines through image regist ration in the field of the image and estimates the two kinds of baseline errors by image regist ration and subspace decomposition , respectively. The method is easy to operate with a small amount of computation. The mm2level precision can be achieved.)