The research shows that influence of sample variation coefficient on estimated accuracy should be considered.

研究表明，应考虑样本变差系数对估计精度的影响。

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Serving as the question for study with identification of the frequency response function of the linear system, the effects of noises for estimated accuracy are discussed.

以线性系统频率响应函数的辨识为研究课题，对系统辨识中所面临的各种干扰噪声对模型精度估计的影响进行了系统的研究。

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The error have been analyzed and estimated in detail and the method to raise accuracy of measurement have been discussed.

详细分析与估计了系统的测量误差并探索了提高准确度的方法。

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But he explained that a spacecraft's orbit lifetime could only be estimated to about 10% accuracy.

BBC: Nasa refines satellite crash time

Raytheon is the prime contractor for the PAC-2 Patriot system--much improved since its dismal accuracy in the Gulf war of 1991--and supplies an estimated 50% to 65% of the newer PAC-3 system.

FORBES: Ready, Aim, Fire