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Applications such as broadband angle of arrival estimation require the implementation of accurate broadband steering vectors, which generally rely on fractional delay filter designs. These designs commonly exhibit a rapidly decreasing performance as the Nyquist rate is approached. To overcome this, we propose a filter bank based approach, where standard fractional delay filters operate on a series of frequency-shifted oversampled subband signals, such that they appear in the filter's lowpass region. Simulations demonstrate the appeal of this approach.
|Number of pages||4|
|Publication status||Published - 15 Dec 2013|
|Event||The Fifth IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing - San Martin, France|
Duration: 15 Dec 2013 → 18 Dec 2013
|Conference||The Fifth IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing|
|Period||15/12/13 → 18/12/13|
- approximation methods
- broadband communication
- frequency modulation
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- 1 Finished
1/04/13 → 31/03/18