| Paper Abstract and Keywords |
| Presentation |
2022-10-13 14:35
Faster Convergence of An Adaptive Notch Filter using Variable Step Size
Rei Shiroeda, Yasutomo Kinugasa (Institute of Tech.), Naoto Sasaoka, Yoshio Itoh (Tottori Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
A cascaded second order adaptive notch filters implemented using an allpass filter, for the elimination of multiple sinusoids, have been proposed. Various adaptive algorithms for the adaptive notch filters are used. As the one of them, an adaptive algorithm which has a reduced bias in comparison to the gradient based algorithm has been proposed. Moreover, the range of the step size for the adaptive notch filter to be stable has been derived. Although the upper limit requires the narrow band signal, it is impossible to use the narrow band signal. To solve this problem, the input signal was used. However, the fast convergence speed could not obtained. In this paper, we propose that the band pass output signal from the adaptive notch filter is used as the upper limit value to obtain the fast convergence speed. Finally, the computer simulation results are presented to confirm the convergence characteristics.
method to improve the convergence speed, and report the results of good convergence characteristics. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Adaptive Notch Filter / Allpass Filter / Variable step size / / / / / |
| Reference Info. |
ITE Tech. Rep. |
| Paper # |
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| Date of Issue |
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| Download PDF |
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| Conference Information |
| Committee |
BCT IEICE-SIS |
| Conference Date |
2022-10-13 - 2022-10-14 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Hachinohe Institute of Technology |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
System Implementation Technology, Short Range Wireless Systems, Smart Multimedia Systems, Broadcasting Technology, etc. |
| Paper Information |
| Registration To |
IEICE-SIS |
| Conference Code |
2022-10-SIS-BCT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Faster Convergence of An Adaptive Notch Filter using Variable Step Size |
| Sub Title (in English) |
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| Keyword(1) |
Adaptive Notch Filter |
| Keyword(2) |
Allpass Filter |
| Keyword(3) |
Variable step size |
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| 1st Author's Name |
Rei Shiroeda |
| 1st Author's Affiliation |
National Institute of Technology, Matsue College (Institute of Tech.) |
| 2nd Author's Name |
Yasutomo Kinugasa |
| 2nd Author's Affiliation |
National Institute of Technology, Matsue College (Institute of Tech.) |
| 3rd Author's Name |
Naoto Sasaoka |
| 3rd Author's Affiliation |
Tottori University (Tottori Univ.) |
| 4th Author's Name |
Yoshio Itoh |
| 4th Author's Affiliation |
Tottori University (Tottori Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2022-10-13 14:35:00 |
| Presentation Time |
20 minutes |
| Registration for |
IEICE-SIS |
| Paper # |
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| Volume (vol) |
vol.46 |
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