Research and realization of real-time wavelet filter algorithm for shipborne FOG

Cheng, Jianhua; Li, Mingyue; Rong, Weibin; Li, Chen

doi:10.1109/icma.2011.5986265

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2016

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“…Wavelet transform is a time-frequency localization analysis method, its window size is fixed but shape is variable, the time window and frequency window can be changed [1]. That is to say it has a low time resolution and a high frequency resolution at low frequencies with high time resolution and low frequency resolution at high frequency portion.…”

Section: Introductionmentioning

confidence: 99%

Real-time Signal Processing for Shipborne FOG Based on Lifting Wavelet Analysis

Yi¹,

Bao

2016

Proceedings of the 2016 5th International Conference on Environment, Materials, Chemistry and Power Electronics

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In the visual axis stabilization system under the background of the shipboard, it is necessary to use the high-frequency and low-frequency of the FOG output signal, respectively. For the practical application, this paper proposes a method which contains de-noising and signal separation. This paper analysis the characteristics of the FOG output signal under shipboard conditions, and then based on lifting wavelet transform, select the appropriate wavelet basis, appropriate sliding window size and decomposition scale. Use MATLAB software simulation, the results show that the algorithm can meet realization of real-time premise de-noising and signal separation.

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Section: Introductionmentioning

confidence: 99%