On some singularities in parameter estimation problems

被引：0

作者：

Amari, S ^{[1
]}

Burnashev, MV ^{[1
]}

机构：

[1] RIKEN, Brain Sci Inst, Wako, Saitama 3510198, Japan

来源：

2003 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY - PROCEEDINGS | 2003年

关键词：

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Assume that there are two identical remote objects and we want to estimate the distance to the closest of them and the distance between the objects. For that purpose a "radar" - like device is used, and the signal observed is the sum of signals reflected by each object, corrupted by white Gaussian noise. Singularity (i.e. very poor performance of any estimate) in this problem will occur if objects are very close to each other. We demonstrate this inherited singularity on the example of the ML-estimate.

引用

页码：229 / 229

页数：1

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