IT1170181B - Filtro a risposta impulsiva finita, per dati campionati, con decimazione interna - Google Patents
Filtro a risposta impulsiva finita, per dati campionati, con decimazione internaInfo
- Publication number
- IT1170181B IT1170181B IT22271/83A IT2227183A IT1170181B IT 1170181 B IT1170181 B IT 1170181B IT 22271/83 A IT22271/83 A IT 22271/83A IT 2227183 A IT2227183 A IT 2227183A IT 1170181 B IT1170181 B IT 1170181B
- Authority
- IT
- Italy
- Prior art keywords
- decimation
- internal
- sampled data
- response filter
- pulse response
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
- H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
- H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
- H03H17/0664—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Processing Of Color Television Signals (AREA)
- Television Systems (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/405,172 US4500912A (en) | 1982-08-04 | 1982-08-04 | FIR Chrominance bandpass sampled data filter with internal decimation |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8322271A0 IT8322271A0 (it) | 1983-07-27 |
IT1170181B true IT1170181B (it) | 1987-06-03 |
Family
ID=23602588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22271/83A IT1170181B (it) | 1982-08-04 | 1983-07-27 | Filtro a risposta impulsiva finita, per dati campionati, con decimazione interna |
Country Status (9)
Country | Link |
---|---|
US (1) | US4500912A (it) |
JP (1) | JPS5967716A (it) |
KR (1) | KR840005954A (it) |
AU (1) | AU1739183A (it) |
DE (1) | DE3328017A1 (it) |
ES (1) | ES524521A0 (it) |
FR (1) | FR2532130A1 (it) |
GB (1) | GB2124848B (it) |
IT (1) | IT1170181B (it) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6081913A (ja) * | 1983-10-11 | 1985-05-10 | Sony Corp | トランスバ−サルフイルタ |
JP2557039B2 (ja) * | 1983-12-27 | 1996-11-27 | ソニー株式会社 | Y/c分離フイルタ |
JPS60182289A (ja) * | 1984-02-29 | 1985-09-17 | Toshiba Corp | デジタルテレビジヨン信号処理回路 |
JP2610416B2 (ja) * | 1984-07-04 | 1997-05-14 | 三菱電機株式会社 | Ntscデイジタルクロマ復調回路 |
JPS6123490A (ja) * | 1984-07-10 | 1986-01-31 | Mitsubishi Electric Corp | Ntscデイジタル色復調回路 |
KR900003778B1 (ko) * | 1984-09-29 | 1990-05-31 | 니뽕 빅터 가부시끼 가이샤 | 비디오 신호 디지탈 처리 회로 |
US4675863A (en) | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
US4710801A (en) * | 1985-04-29 | 1987-12-01 | International Business Machines Corporation | System for decomposition of NTSC color video signals using two frame buffers |
CA1233891A (en) * | 1985-05-27 | 1988-03-08 | Peter Gillingham | Switched capacitor finite impulse response filter |
US4686570A (en) * | 1985-12-24 | 1987-08-11 | Rca Corporation | Analog-to-digital converter as for an adaptive television deghosting system |
US4825448A (en) * | 1986-08-07 | 1989-04-25 | International Mobile Machines Corporation | Subscriber unit for wireless digital telephone system |
CA1303727C (en) * | 1987-08-28 | 1992-06-16 | Institut National De La Recherche Scientifique | Apparatus and method for encoding and decoding a ntsc color video signal |
US4961114A (en) * | 1989-03-27 | 1990-10-02 | The Grass Valley Group, Inc. | Digital memory delay line for a video border generator |
JPH03123290A (ja) * | 1989-10-06 | 1991-05-27 | Nec Home Electron Ltd | Y/c分離回路 |
US5081450A (en) * | 1990-03-09 | 1992-01-14 | International Business Machines Corporation | Apparatus and method for compressing and expanding multibit digital pixel data |
CA2015587C (en) * | 1990-04-27 | 1996-12-03 | Chon Tam Le Dinh | Separable diamond shaped multidimensional filters for composite video endocing/decoding applications |
MY111506A (en) * | 1992-07-29 | 2000-07-31 | Thomson Consumer Electronics Inc | Fir filter apparatus for processing of time division multiplexed signals |
US5546383A (en) | 1993-09-30 | 1996-08-13 | Cooley; David M. | Modularly clustered radiotelephone system |
US5442664A (en) * | 1993-12-20 | 1995-08-15 | Hewlett-Packard Company | Digitally phase modulated clock inhibiting reduced RF emissions |
JP3216395B2 (ja) * | 1994-02-25 | 2001-10-09 | 松下電器産業株式会社 | Y/c分離装置 |
US5633689A (en) * | 1995-12-29 | 1997-05-27 | Thomson Consumer Electronics, Inc. | Apparatus for separating a digital composite video signal into components |
US6704866B1 (en) | 1997-07-11 | 2004-03-09 | Cisco Technology, Inc. | Compression and encryption protocol for controlling data flow in a network |
US6401188B1 (en) | 1998-02-27 | 2002-06-04 | Cisco Technology, Inc. | Method for selection on a pattern sequence |
US6341346B1 (en) | 1999-02-05 | 2002-01-22 | Cisco Technology, Inc. | Method for comparison between a pattern sequence and a variable length key |
TWI268709B (en) * | 2005-08-26 | 2006-12-11 | Realtek Semiconductor Corp | Digital filtering device and related method |
US20090328093A1 (en) * | 2008-06-30 | 2009-12-31 | At&T Intellectual Property I, L.P. | Multimedia Content Filtering |
US7640589B1 (en) * | 2009-06-19 | 2009-12-29 | Kaspersky Lab, Zao | Detection and minimization of false positives in anti-malware processing |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU464427B2 (en) * | 1971-05-07 | 1975-08-28 | Ted Bildplatten Aktiengesellschaft | A circuit for delaying a television signal |
NL7905332A (nl) * | 1979-07-09 | 1981-01-13 | Philips Nv | Decimerend, lineair phase, digital fir filter. |
US4333104A (en) * | 1980-03-17 | 1982-06-01 | Gte Laboratories Incorporated | Color demodulating apparatus with cross-color cancellation |
-
1982
- 1982-08-04 US US06/405,172 patent/US4500912A/en not_active Expired - Fee Related
-
1983
- 1983-07-27 IT IT22271/83A patent/IT1170181B/it active
- 1983-07-28 ES ES524521A patent/ES524521A0/es active Granted
- 1983-07-28 AU AU17391/83A patent/AU1739183A/en not_active Abandoned
- 1983-08-02 GB GB08320792A patent/GB2124848B/en not_active Expired
- 1983-08-03 JP JP58143100A patent/JPS5967716A/ja active Pending
- 1983-08-03 FR FR8312827A patent/FR2532130A1/fr not_active Withdrawn
- 1983-08-03 DE DE19833328017 patent/DE3328017A1/de not_active Withdrawn
- 1983-08-04 KR KR1019830003679A patent/KR840005954A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
IT8322271A0 (it) | 1983-07-27 |
GB8320792D0 (en) | 1983-09-01 |
GB2124848A (en) | 1984-02-22 |
KR840005954A (ko) | 1984-11-19 |
ES8500526A1 (es) | 1984-10-01 |
JPS5967716A (ja) | 1984-04-17 |
DE3328017A1 (de) | 1984-02-09 |
GB2124848B (en) | 1986-01-08 |
FR2532130A1 (fr) | 1984-02-24 |
ES524521A0 (es) | 1984-10-01 |
AU1739183A (en) | 1984-02-09 |
US4500912A (en) | 1985-02-19 |
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