dc.contributor.advisor |
Edussooriya CUS |
|
dc.contributor.author |
Chandima PKT |
|
dc.date.accessioned |
2021 |
|
dc.date.available |
2021 |
|
dc.date.issued |
2021 |
|
dc.identifier.citation |
Chandima, P.K.T. (2021). A Novel multi-dimensional IIR notch filter for attenuating multiple narrowband interferences [Master's theses, University of Moratuwa]. Institutional Repository University of Moratuwa. http://dl.lib.uom.lk/handle/123/18780 |
|
dc.identifier.uri |
http://dl.lib.uom.lk/handle/123/18780 |
|
dc.description.abstract |
Notch filters are a class of filters that are used to attenuate narrowband interferences. Previously reported finite impulse response (FIR) or infinite impulse response (IIR) notch filters are predominantly limited to one-dimensional (1-D) or two-dimensional (2-D) signals. With emerging multi-dimensional (M-D) signals, such as four-dimensional (4-D) light fields and five-dimensional (5-D) light field videos, design techniques for M-D notch filters, beyond 2-D notch filters, are required to be investigated.
In this dissertation, a novel M-D multi notch IIR filter is proposed to attenuate multiple narrowband interferences. The structure of the notch filter is derived by cascading notch filter pairs. Initially, 1-D filter structure is presented and afterwards it is expanded as an M-D filter. The key factor of the proposed notch filter is the flexibility of placing the notches, adding any number of notches in to M-D and bandwidth can be controlled independently.
Narrowband interference attenuation has been verified using monochromatic image and a video. Capabilities of the proposed filter are compared against the existing filtering method using unity three-dimensional (3-D) signal. It is clearly noticeable that, the proposed M-D multi notch IIR filter has better performance as well as greater flexibility. |
en_US |
dc.language.iso |
en |
en_US |
dc.subject |
MULTI-DIMENSIONAL FILTER |
en_US |
dc.subject |
MULTI-DIMENSIONAL INFINITE IMPULSE RESPONSE |
en_US |
dc.subject |
NOTCH FILTERS |
en_US |
dc.subject |
MULTIPLE NARROW-BAND INTERFERENCE |
en_US |
dc.subject |
ELECTRONIC & TELECOMMUNICATION ENGINEERING- Dissertation |
en_US |
dc.subject |
ELECTRONICS & AUTOMATION- Dissertation |
en_US |
dc.title |
A Novel multi-dimensional IIR notch filter for attenuating multiple narrowband interferences |
en_US |
dc.type |
Thesis-Abstract |
en_US |
dc.identifier.faculty |
Engineering |
en_US |
dc.identifier.degree |
M.Sc. in Electronics and Automation |
en_US |
dc.identifier.department |
Department of Electronics and Telecommunication Engineering |
en_US |
dc.date.accept |
2021 |
|
dc.identifier.accno |
TH4513 |
en_US |