BR9812045A - Dispositivo para separação de sinais - Google Patents
Dispositivo para separação de sinaisInfo
- Publication number
- BR9812045A BR9812045A BR9812045-0A BR9812045A BR9812045A BR 9812045 A BR9812045 A BR 9812045A BR 9812045 A BR9812045 A BR 9812045A BR 9812045 A BR9812045 A BR 9812045A
- Authority
- BR
- Brazil
- Prior art keywords
- vector
- signals
- parameters
- separation device
- signal separation
- Prior art date
Links
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
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0223—Computation saving measures; Accelerating measures
- H03H17/0227—Measures concerning the coefficients
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Circuit For Audible Band Transducer (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Radar Systems Or Details Thereof (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
<B>"DISPOSITIVO PARA SEPARAçãO DE SINAIS"<D>. A presente invenção se refere a um método para separação de pelo menos dois sinais de uma mistura de sinais, em cujo método o número de diferentes misturas é pelo menos tão grande quanto o número de sinais a ser separado, o método compreendendo um critério modificado baseado em um critério, que é minimizado para os parâmetros de filtros estimados em uma estrutura de separação e em uma correção de regularização, caracterizado em que a correção de regularização é disposta para compreender um primeiro vetor com os parâmetros de filtro a serem estimados, um segundo vetor com informação de parâmetros de filtros baseados em modelagem física e um parâmetro de filtro de matriz de ponderação e um produto de uma diferença entre os ditos primeiro e segundo vetores, a matriz de ponderação do parâmetro de filtro e uma conjugada e transposta diferença entre os ditos primeiro e segundo vetores.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9703212A SE520450C2 (sv) | 1997-09-05 | 1997-09-05 | Signalseparation |
| PCT/SE1998/001590 WO1999016170A2 (en) | 1997-09-05 | 1998-09-07 | Device for separation of signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9812045A true BR9812045A (pt) | 2000-09-26 |
Family
ID=20408157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9812045-0A BR9812045A (pt) | 1997-09-05 | 1998-09-07 | Dispositivo para separação de sinais |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1020028B1 (pt) |
| JP (1) | JP2001517884A (pt) |
| KR (1) | KR20010023738A (pt) |
| CN (1) | CN1277756A (pt) |
| AT (1) | ATE244954T1 (pt) |
| AU (1) | AU755883C (pt) |
| BR (1) | BR9812045A (pt) |
| DE (1) | DE69816317D1 (pt) |
| EE (1) | EE200000116A (pt) |
| SE (1) | SE520450C2 (pt) |
| WO (1) | WO1999016170A2 (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE521024C2 (sv) * | 1999-03-08 | 2003-09-23 | Ericsson Telefon Ab L M | Metod och anordning för att separera en blandning av källsignaler |
| CN102969003A (zh) * | 2012-11-15 | 2013-03-13 | 东莞宇龙通信科技有限公司 | 摄像声音提取方法及装置 |
| US10924087B2 (en) * | 2018-04-13 | 2021-02-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for adaptive signal processing |
-
1997
- 1997-09-05 SE SE9703212A patent/SE520450C2/sv not_active IP Right Cessation
-
1998
- 1998-09-07 DE DE69816317T patent/DE69816317D1/de not_active Expired - Lifetime
- 1998-09-07 EE EEP200000116A patent/EE200000116A/xx unknown
- 1998-09-07 CN CN98810584A patent/CN1277756A/zh active Pending
- 1998-09-07 EP EP98943159A patent/EP1020028B1/en not_active Expired - Lifetime
- 1998-09-07 KR KR1020007002393A patent/KR20010023738A/ko not_active Application Discontinuation
- 1998-09-07 JP JP2000513353A patent/JP2001517884A/ja active Pending
- 1998-09-07 AU AU91012/98A patent/AU755883C/en not_active Ceased
- 1998-09-07 AT AT98943159T patent/ATE244954T1/de not_active IP Right Cessation
- 1998-09-07 WO PCT/SE1998/001590 patent/WO1999016170A2/en not_active Application Discontinuation
- 1998-09-07 BR BR9812045-0A patent/BR9812045A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1020028A2 (en) | 2000-07-19 |
| CN1277756A (zh) | 2000-12-20 |
| KR20010023738A (ko) | 2001-03-26 |
| DE69816317D1 (de) | 2003-08-14 |
| AU755883C (en) | 2003-06-26 |
| EP1020028B1 (en) | 2003-07-09 |
| SE520450C2 (sv) | 2003-07-08 |
| SE9703212D0 (sv) | 1997-09-05 |
| EE200000116A (et) | 2000-12-15 |
| AU9101298A (en) | 1999-04-12 |
| WO1999016170A2 (en) | 1999-04-01 |
| AU755883B2 (en) | 2003-01-02 |
| SE9703212L (sv) | 1999-03-06 |
| JP2001517884A (ja) | 2001-10-09 |
| ATE244954T1 (de) | 2003-07-15 |
| WO1999016170A3 (en) | 1999-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCP | Transfer pending | ||
| PC | Transfer |
Free format text: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (SE) |
|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 9A E 10A ANUIDADES. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1954 DE 17/06/2008. |