KR960003080A - 복소 필터 장치 - Google Patents

복소 필터 장치 Download PDF

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Publication number
KR960003080A
KR960003080A KR1019940013294A KR19940013294A KR960003080A KR 960003080 A KR960003080 A KR 960003080A KR 1019940013294 A KR1019940013294 A KR 1019940013294A KR 19940013294 A KR19940013294 A KR 19940013294A KR 960003080 A KR960003080 A KR 960003080A
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KR
South Korea
Prior art keywords
filter
complex filter
part signal
filter device
output
Prior art date
Application number
KR1019940013294A
Other languages
English (en)
Other versions
KR960011419B1 (ko
Inventor
이창의
이상욱
조남익
양윤기
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940013294A priority Critical patent/KR960011419B1/ko
Priority to JP17140995A priority patent/JP3761220B2/ja
Priority to US08/490,285 priority patent/US5528311A/en
Priority to CN95105546A priority patent/CN1060002C/zh
Publication of KR960003080A publication Critical patent/KR960003080A/ko
Application granted granted Critical
Publication of KR960011419B1 publication Critical patent/KR960011419B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation
    • 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
    • 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
    • H03H17/0238—Measures concerning the arithmetic used
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Picture Signal Circuits (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Television Systems (AREA)
  • Complex Calculations (AREA)
  • Networks Using Active Elements (AREA)

Abstract

본 발명은 복소 필터를 간단하게 구성하기에 적합한 복소 필터 장치에 관한 것으로, 종래에는 각 필터에 사용되는 곱셈기와 가산기가 많이 사용되기 때문에 복소 필터를 하드웨어적으로 구형할 때 비용이 많이 드는 결점이 있었으나, 본 발명에서는 종래 기술에 비하여 필터가 하나 감소하므로 복소 필터 구현에 드는 비용을 줄일 수 있다.

Description

복소 필터 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 따른 복소 필터의 일 실시예를 나탄내 블록도.
제3도는 제2도의 각 필터로서 유한 충격 응답 필터를 사용한 일 실시예를 나타낸 블럭도.

Claims (2)

  1. 실수부 신호(yr)에 계수(cr＋ci)를 곱하는 제6필터(11)와; 상기 실수부 신호(yr)와 허수부 신호(yi)에 계수(ci)를 곱하는 제7필터(12)와; 상기 실수부 신호(yr)와 허수부 신호(－yi)에 계수(cr)를 곱하는 제8필터(13)와; 상기 제6필터(11)의 출력에서 제7필터(12)의 출력을 감산하는 가산기(14)와; 상기 제6필터(11)의 출력에서 제8필터(13)의 출력을 감산하는 가산기(15)를 포함하여 이루어지는 복소 필터 장치.
  2. 제1항에 있어서, 상기 제6, 제7, 제8필터(11,12,13) 중에서 적어도 하나는 유한 충격 응답 필터로 된 복소 필터 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940013294A 1994-06-14 1994-06-14 복소 필터 장치 KR960011419B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019940013294A KR960011419B1 (ko) 1994-06-14 1994-06-14 복소 필터 장치
JP17140995A JP3761220B2 (ja) 1994-06-14 1995-06-14 複素フィルター装置
US08/490,285 US5528311A (en) 1994-06-14 1995-06-14 Complex filter apparatus for use in an equalizer
CN95105546A CN1060002C (zh) 1994-06-14 1995-06-14 复合滤波装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940013294A KR960011419B1 (ko) 1994-06-14 1994-06-14 복소 필터 장치

Publications (2)

Publication Number Publication Date
KR960003080A true KR960003080A (ko) 1996-01-26
KR960011419B1 KR960011419B1 (ko) 1996-08-22

Family

ID=19385205

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940013294A KR960011419B1 (ko) 1994-06-14 1994-06-14 복소 필터 장치

Country Status (4)

Country Link
US (1) US5528311A (ko)
JP (1) JP3761220B2 (ko)
KR (1) KR960011419B1 (ko)
CN (1) CN1060002C (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100456294B1 (ko) * 2002-03-27 2004-11-09 백성기 습식 마늘박피장치

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5912828A (en) * 1995-12-28 1999-06-15 Lucent Technologies Inc. Equalizer filter configuration for processing real-valued and complex-valued signal samples
JP3317156B2 (ja) * 1996-09-18 2002-08-26 三菱電機株式会社 リモートｐｌｃ装置を備えた数値制御装置
US5777910A (en) * 1996-11-19 1998-07-07 Thomson Multimedia S.A. Sparse equalization filter adaptive in two dimensions
US6975689B1 (en) 2000-03-30 2005-12-13 Mcdonald James Douglas Digital modulation signal receiver with adaptive channel equalization employing discrete fourier transforms
US6411253B1 (en) * 2000-06-14 2002-06-25 Raytheon Company Equalization system using general purpose filter architecture
US6856648B1 (en) * 2000-07-17 2005-02-15 Telefonaktiebolaget Lm Ericsson Method and apparatus for equalizer updating and sampling rate control
US20050002474A1 (en) * 2003-01-27 2005-01-06 Limberg Allen Leroy PAM radio signal receiver with phase-tracker succeeding adaptive FIR filtering and preceding adaptive IIR filtering
JP4800026B2 (ja) * 2005-12-16 2011-10-26 三星電子株式会社 複素係数トランスバーサルフィルタおよび周波数変換器
US8103711B1 (en) * 2008-02-27 2012-01-24 University Of Central Florida Research Foundation, Inc. Dispersion compensation using digital infinite impulse response filtering
CN112468115B (zh) * 2021-01-27 2021-08-03 江苏永鼎通信有限公司 节省乘法器数量的5g高速信号并行滤波方法、系统及装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400084A (en) * 1992-05-14 1995-03-21 Hitachi America, Ltd. Method and apparatus for NTSC signal interference cancellation using recursive digital notch filters
US5282023A (en) * 1992-05-14 1994-01-25 Hitachi America, Ltd. Apparatus for NTSC signal interference cancellation through the use of digital recursive notch filters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100456294B1 (ko) * 2002-03-27 2004-11-09 백성기 습식 마늘박피장치

Also Published As

Publication number Publication date
CN1060002C (zh) 2000-12-27
US5528311A (en) 1996-06-18
JP3761220B2 (ja) 2006-03-29
JPH089200A (ja) 1996-01-12
KR960011419B1 (ko) 1996-08-22
CN1130330A (zh) 1996-09-04

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