Determination Method of Angular Domain Resampling Order in Computed Order Tracking Analysis

Hua Cong; Guang Ping Wu; Fu Zhou Feng; Wei Xing

doi:10.4028/www.scientific.net/AMR.199-200.790

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 199-200Determination Method of Angular Domain Resampling...

Determination Method of Angular Domain Resampling Order in Computed Order Tracking Analysis

Abstract:

In the process of computed order tracking, traditional method is based on the given analyzed order requirements, and also assumed that the highest order component is known. But in practice, the order component in signal is usually unknown. With regards to this issue, the paper proposed a method using filter to limit frequency and order. A principle on how to choose filter cut-off frequency and angular domain resampling order are deduced in this paper, then the relationship is analyzed between filter cut-off frequency and resampling frequency in time domain. Simulated signals are tried on the method, the results show that it can solve order aliasing problem successfully, and also effectively reduce resampling order.

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Periodical:

Advanced Materials Research (Volumes 199-200)

Pages:

790-795

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.199-200.790

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Online since:

February 2011

Authors:

Hua Cong, Guang Ping Wu, Fu Zhou Feng, Wei Xing

Keywords:

Anti-Aliasing, Computed Order Tracking, Filtering, Resampling Order

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