CA2318929A1 - Stable adaptive filter and method - Google Patents
Stable adaptive filter and method Download PDFInfo
- Publication number
- CA2318929A1 CA2318929A1 CA002318929A CA2318929A CA2318929A1 CA 2318929 A1 CA2318929 A1 CA 2318929A1 CA 002318929 A CA002318929 A CA 002318929A CA 2318929 A CA2318929 A CA 2318929A CA 2318929 A1 CA2318929 A1 CA 2318929A1
- Authority
- CA
- Canada
- Prior art keywords
- adaptive filter
- step size
- linear equations
- solving
- calculator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
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- 230000003044 adaptive effect Effects 0.000 title claims abstract description 129
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- 238000002939 conjugate gradient method Methods 0.000 claims description 11
- 238000002945 steepest descent method Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 4
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- 238000013459 approach Methods 0.000 abstract description 10
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- 239000013598 vector Substances 0.000 description 83
- 239000000562 conjugate Substances 0.000 description 33
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- 238000012549 training Methods 0.000 description 3
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
- H03H21/0043—Adaptive algorithms
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
- H03H21/0043—Adaptive algorithms
- H03H2021/0049—Recursive least squares algorithm
- H03H2021/0052—Recursive least squares algorithm combined with stochastic gradient algorithm
- H03H2021/0054—Affine projection
Landscapes
- Filters That Use Time-Delay Elements (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/218,428 US6754340B1 (en) | 1998-12-22 | 1998-12-22 | Stable adaptive filter and method |
| US09/218,428 | 1998-12-22 | ||
| US09/356,041 | 1999-07-16 | ||
| US09/356,041 US6788785B1 (en) | 1998-12-22 | 1999-07-16 | Stable adaptive filter and method |
| PCT/CA1999/001068 WO2000038319A1 (en) | 1998-12-22 | 1999-11-10 | Stable adaptive filter and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2318929A1 true CA2318929A1 (en) | 2000-06-29 |
Family
ID=26912898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002318929A Abandoned CA2318929A1 (en) | 1998-12-22 | 1999-11-10 | Stable adaptive filter and method |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1057259A1 (ja) |
| JP (1) | JP2002533970A (ja) |
| CA (1) | CA2318929A1 (ja) |
| WO (1) | WO2000038319A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2371191B (en) * | 2001-01-11 | 2005-06-15 | Mitel Corp | Double-talk and path change detection using a matrix of correlation coefficients |
| DE10329055B4 (de) * | 2003-06-27 | 2005-10-13 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Echokompensation |
| US7436880B2 (en) * | 2004-08-17 | 2008-10-14 | National Research Council Of Canada | Adaptive filtering using fast affine projection adaptation |
| US9679260B2 (en) * | 2014-03-20 | 2017-06-13 | Huawei Technologies Co., Ltd. | System and method for adaptive filter |
| CN106209023B (zh) * | 2016-07-28 | 2018-06-26 | 苏州大学 | 基于数据重用的非负自适应滤波方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5602507A (en) * | 1993-11-05 | 1997-02-11 | Ntt Mobile Communications Network Inc. | Adaptive demodulating method for generating replica and demodulator thereof |
| US5568411A (en) * | 1994-07-25 | 1996-10-22 | National Semiconductor Corporation | Method and apparatus for using polarity-coincidence correlators in LMS adaptive filters |
| JP2685031B2 (ja) * | 1995-06-30 | 1997-12-03 | 日本電気株式会社 | 雑音消去方法及び雑音消去装置 |
-
1999
- 1999-11-10 WO PCT/CA1999/001068 patent/WO2000038319A1/en not_active Application Discontinuation
- 1999-11-10 JP JP2000590294A patent/JP2002533970A/ja active Pending
- 1999-11-10 CA CA002318929A patent/CA2318929A1/en not_active Abandoned
- 1999-11-10 EP EP99973514A patent/EP1057259A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002533970A (ja) | 2002-10-08 |
| WO2000038319A1 (en) | 2000-06-29 |
| EP1057259A1 (en) | 2000-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |