且该定位方法不依赖于特定的NLOS误差分布，也无需视距（LOS）和非视距识别。
Moreover, this location method does not depend on a particular distribution of the NLOS error and does not need line-of-sight (LOS) or NLOS identification.
距离测量误差包含测量噪声和非视距误差两部分，其中非视距误差是位置估计的主要误差来源。
The distance measurement errors include errors of measuring noise and non-line of sight, of which NLOS error is the main source of error in location estimation.
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