基于共轭-旋转矢量不变性技术的谐波检测方法

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Abstract In this paper,a new algorithm conjugate signal parameters via rotational invariance techniques to estimate the frequency of the harmonics is presented. The C-SPRIT employs all element outputs to form separate sub-arrays which are fully overlapped. It uses the conjugate of rotation matrix instead of rotation matrix in array signal processing. The total least squares(TLS) is also employed here to decrease the influence of noise. The simulation examples demonstrate that the algorithm is capable of having higher precision and stronger anti-noise capacity. Real-time data analysis shows that the algorithm is feasible and available. It has some prospects in future.

Key words： Detection of harmonics conjugate signal parameters via rotational invariance techniques array signal processing rotation matrix conjugate matrix

Received: 27 June 2011 Published: 11 December 2013

PACS:

TM744

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	Cheng Zhiyou
	Cheng Chen
	Fu Xuemin
	Wang Jiaqi

Cite this article:

Cheng Zhiyou,Cheng Chen,Fu Xuemin等. Harmonic Detection Method Based on Conjugate Signal Parameters via Rotational Invariance Techniques[J]. Transactions of China Electrotechnical Society, 2013, 28(5): 274-279.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I5/274

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