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CRAMER-RAO BOUND OF ESTIMATED PARAMETER OF SUPERIMPOSED EXPONENTIALLY DAMPED SINUSOIDS
Author(s): 
Pages: 122-126
Year: Issue:  3
Journal: JOURNAL OF GEODESY AND GEODYNAMICS

Keyword:  参数估计Cramer-Rao下界;
Abstract: 对于阻尼正弦项叠加形式的参数估计问题,详细推导了关于部分参数的Cramer-Rao下界的精确形式,并具体计算了一阶情况下的表达式.由于阻尼项的存在,此类参数估计问题是做不到渐近一致的.参数的估计精度与阻尼项有关,阻尼项越接近于零,参数估计可能越好.
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