CN1226888C - 使用查找表的块内插滤波器结构 - Google Patents
使用查找表的块内插滤波器结构 Download PDFInfo
- Publication number
- CN1226888C CN1226888C CNB021547483A CN02154748A CN1226888C CN 1226888 C CN1226888 C CN 1226888C CN B021547483 A CNB021547483 A CN B021547483A CN 02154748 A CN02154748 A CN 02154748A CN 1226888 C CN1226888 C CN 1226888C
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- CN
- China
- Prior art keywords
- filter
- input
- subfilter
- lut
- buffer
- 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.)
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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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/159—Applications of delay lines not covered by the preceding subgroups
-
- 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
- H03H17/0657—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 higher than the input sampling frequency, i.e. interpolation
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Nonlinear Science (AREA)
- Complex Calculations (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
LUT大小 | 存储器容量 | 加法器 | |
全LUT | (2m-1)(N/Mm) | (2m-1)(N/m)W | (N/mM-1)M |
半LUT | (2m-1)(N/2Mm) | (2m-1)(N/2m)W | (N/2mM-1)M |
结构 | LUT大小 | 存储器容量 | 加法器 | 滤波时钟 |
横向 | 48 | 96W | 12 | 4B |
多相I | 128 | 128W | 12 | B |
多相II | 64 | 64W | 6 | 2B |
假设m=1 | 6 | 24W | 20 | 2B |
假设m=2 | 9 | 48W | 8 | 2B |
假设m=3 | 14 | 64W | 4 | 2B |
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR54978/01 | 2001-09-07 | ||
KR54978/2001 | 2001-09-07 | ||
KR10-2001-0054978A KR100425418B1 (ko) | 2001-09-07 | 2001-09-07 | 룩업 테이블을 이용한 블록 보간 필터 구조 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1422089A CN1422089A (zh) | 2003-06-04 |
CN1226888C true CN1226888C (zh) | 2005-11-09 |
Family
ID=19714028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021547483A Expired - Fee Related CN1226888C (zh) | 2001-09-07 | 2002-09-07 | 使用查找表的块内插滤波器结构 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7099420B2 (zh) |
KR (1) | KR100425418B1 (zh) |
CN (1) | CN1226888C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104539261A (zh) * | 2014-12-08 | 2015-04-22 | 北京遥测技术研究所 | 一种任意采样率转换的内插滤波处理方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7755641B2 (en) * | 2002-08-13 | 2010-07-13 | Broadcom Corporation | Method and system for decimating an indexed set of data elements |
EP1630958B1 (en) * | 2004-08-27 | 2010-06-23 | STMicroelectronics Pvt. Ltd | A minimal area integrated circuit implementation of a polyphase interpolation filter using coefficients symmetry |
KR100657008B1 (ko) * | 2004-12-07 | 2006-12-14 | 한국전자통신연구원 | Ds-cdma uwb 모뎀 송신기에서의 fir 필터장치 및 그 제어 방법 |
KR101050628B1 (ko) * | 2005-02-21 | 2011-07-19 | 삼성전자주식회사 | 이동통신 시스템에서 필터링 장치 및 방법 |
GB2452309A (en) * | 2007-08-31 | 2009-03-04 | Agilent Technologies Inc | Circuit for sample rate conversion |
CN101150306B (zh) * | 2007-10-24 | 2010-06-09 | 山东大学 | 一种有限冲激响应滤波器的设计方法 |
US8390894B2 (en) | 2009-09-01 | 2013-03-05 | King Fahd University Of Petroleum And Minerals | System and method for inverse halftoning |
CN103093052A (zh) * | 2013-01-25 | 2013-05-08 | 复旦大学 | 一种低功耗并行fir数字滤波器的设计方法 |
CN103997355B (zh) * | 2013-02-20 | 2018-01-19 | 中兴通讯股份有限公司 | 一种插值滤波方法及插值滤波器 |
CN107612523B (zh) * | 2017-08-25 | 2020-05-19 | 西安交通大学 | 一种基于软件查表法的fir滤波器实现方法 |
TWI695250B (zh) * | 2018-11-28 | 2020-06-01 | 大陸商北京集創北方科技股份有限公司 | 可減少多工器數量的查找表配置方法及利用其之資訊處理裝置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5778029A (en) * | 1993-05-13 | 1998-07-07 | Lockheed Martin Aerospace Corporation | Signal conditioner with symbol addressed lookup table producing values which compensate linear and non-linear distortion using transversal filter |
US6487190B1 (en) * | 1996-06-27 | 2002-11-26 | Interdigital Technology Corporation | Efficient multichannel filtering for CDMA modems |
KR100199006B1 (ko) * | 1995-12-21 | 1999-06-15 | 정선종 | 1 대 n 인터폴레이션 fir 필터 |
US5870431A (en) * | 1996-06-27 | 1999-02-09 | Qualcomm Incorporated | ROM-based finite impulse response filter for use in mobile telephone |
US5838725A (en) * | 1996-12-06 | 1998-11-17 | U.S. Philips Corporation | Floating point digital transversal filter |
KR100204563B1 (ko) * | 1996-12-09 | 1999-06-15 | 정선종 | 기저 대역 멀티 채널 유한 임펄스 응답 필터 |
JPH10341137A (ja) * | 1997-06-10 | 1998-12-22 | Matsushita Electric Ind Co Ltd | 補間装置 |
KR100289037B1 (ko) * | 1997-11-29 | 2001-05-02 | 이계철 | 단일구조의 동시 4 출력 1:4 인터폴레이션 에프아이알 필터 |
US6202074B1 (en) * | 1998-08-07 | 2001-03-13 | Telefonaktiebolaget Lm Ericsson | Multiplierless digital filtering |
KR100312413B1 (ko) * | 1998-11-16 | 2001-12-12 | 오길록 | 룩-업테이블방식을이용한디지털파형정형필터링장치 |
US6260053B1 (en) * | 1998-12-09 | 2001-07-10 | Cirrus Logic, Inc. | Efficient and scalable FIR filter architecture for decimation |
WO2000062421A1 (en) * | 1999-04-14 | 2000-10-19 | Nokia Networks Oy | Digital filter and method for performing a multiplication based on a look-up table |
KR100378592B1 (ko) * | 2000-07-31 | 2003-03-31 | 한국전자통신연구원 | 디지털 이동 통신용 108 탭 1대4 인터폴레이션유한임펄스응답 필터장치 |
US6820103B2 (en) * | 2000-11-03 | 2004-11-16 | Qualcomm Inc. | Digital filter with state storage |
US6427158B1 (en) * | 2000-12-14 | 2002-07-30 | Texas Instruments Incorporated | FIR decimation filter and method |
-
2001
- 2001-09-07 KR KR10-2001-0054978A patent/KR100425418B1/ko active IP Right Grant
-
2002
- 2002-08-23 US US10/227,041 patent/US7099420B2/en active Active
- 2002-09-07 CN CNB021547483A patent/CN1226888C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104539261A (zh) * | 2014-12-08 | 2015-04-22 | 北京遥测技术研究所 | 一种任意采样率转换的内插滤波处理方法 |
CN104539261B (zh) * | 2014-12-08 | 2017-08-29 | 北京遥测技术研究所 | 一种任意采样率转换的内插滤波处理方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20030021623A (ko) | 2003-03-15 |
KR100425418B1 (ko) | 2004-03-30 |
US7099420B2 (en) | 2006-08-29 |
CN1422089A (zh) | 2003-06-04 |
US20030067973A1 (en) | 2003-04-10 |
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Address after: Gyeongbuk, South Korea Patentee after: Han Hua Thales Co.,Ltd. Address before: Gyeongbuk, South Korea Patentee before: Samsung Thales Co.,Ltd. |
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