JP2005348403A - 周波数変換を使用するデジタルフィルタおよびその方法 - Google Patents

周波数変換を使用するデジタルフィルタおよびその方法 Download PDF

Info

Publication number
JP2005348403A
JP2005348403A JP2005156848A JP2005156848A JP2005348403A JP 2005348403 A JP2005348403 A JP 2005348403A JP 2005156848 A JP2005156848 A JP 2005156848A JP 2005156848 A JP2005156848 A JP 2005156848A JP 2005348403 A JP2005348403 A JP 2005348403A
Authority
JP
Japan
Prior art keywords
signal
filter
frequency
digital
digital filter
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.)
Pending
Application number
JP2005156848A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005348403A5 (enExample
Inventor
George S Moore
ジョージ・エス・ムーア
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of JP2005348403A publication Critical patent/JP2005348403A/ja
Publication of JP2005348403A5 publication Critical patent/JP2005348403A5/ja
Pending legal-status Critical Current

Links

Images

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
    • H03H17/04—Recursive 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
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/025—Notch 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
    • H03H17/0294—Variable filters; Programmable filters
    • H03H2017/0297—Coefficients derived from input parameters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Noise Elimination (AREA)
JP2005156848A 2004-06-04 2005-05-30 周波数変換を使用するデジタルフィルタおよびその方法 Pending JP2005348403A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/861,867 US7395290B2 (en) 2004-06-04 2004-06-04 Digital filter and method thereof using frequency translations

Publications (2)

Publication Number Publication Date
JP2005348403A true JP2005348403A (ja) 2005-12-15
JP2005348403A5 JP2005348403A5 (enExample) 2008-06-26

Family

ID=35450232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005156848A Pending JP2005348403A (ja) 2004-06-04 2005-05-30 周波数変換を使用するデジタルフィルタおよびその方法

Country Status (2)

Country Link
US (1) US7395290B2 (enExample)
JP (1) JP2005348403A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011508552A (ja) * 2007-12-28 2011-03-10 アストリウム・リミテッド 遠隔通信衛星の通信チャネルフィルタリング
JP2013102670A (ja) * 2011-10-21 2013-05-23 Daihen Corp 単相電力変換装置の制御装置

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7957938B2 (en) * 2002-10-24 2011-06-07 Lecroy Corporation Method and apparatus for a high bandwidth oscilloscope utilizing multiple channel digital bandwidth interleaving
US10659071B2 (en) 2002-10-24 2020-05-19 Teledyne Lecroy, Inc. High bandwidth oscilloscope
US7219037B2 (en) 2002-10-24 2007-05-15 Lecroy Corporation High bandwidth oscilloscope
US7711510B2 (en) * 2002-10-24 2010-05-04 Lecroy Corporation Method of crossover region phase correction when summing signals in multiple frequency bands
US7191025B2 (en) * 2002-12-20 2007-03-13 Texas Instruments Incorporated Variable digital high and low pass filters
US20060160516A1 (en) * 2005-01-14 2006-07-20 Dongsong Zeng Pulse shaping optimizer in UWB receiver
DE602007006417D1 (de) * 2007-03-26 2010-06-24 Blox A G U Verfahren zur Bearbeitung eines von einem analogen Eingangssignal eines GNSS-Empfängers abgeleiteten digitalen Signals, Basisbandschaltung eines GNSS-Empfängers zur Durchführung des Verfahrens und GNSS-Empfänger
US8027656B2 (en) * 2007-09-24 2011-09-27 Broadcom Corporation Method and system for a distributed transceiver for high frequency applications
US8019313B2 (en) * 2007-09-24 2011-09-13 Broadcom Corporation Method and system for distributed transceivers based on notch filters and passive mixers
US20090081954A1 (en) * 2007-09-24 2009-03-26 Ahmadreza Rofougaran Method and system for a distributed quadrature transceiver using phase shifting
US8693598B2 (en) * 2011-08-05 2014-04-08 Texas Instruments Incorporated Radio receiver with mitigation modules and mixers with phase compensation
CN103973616B (zh) * 2014-04-16 2017-07-28 北京创毅视讯科技有限公司 一种信号滤波方法及系统
US10197605B2 (en) * 2015-03-26 2019-02-05 Microchip Technology Incorporated System and method for ripple-free AC power determination
US9660538B2 (en) * 2015-05-06 2017-05-23 Switching Power, Inc. Digital closed-loop control for DC/DC switch-mode power converters with multiple outputs
CN108226636B (zh) * 2016-12-15 2021-06-11 欧姆龙株式会社 自动滤波方法和装置
WO2020118642A1 (zh) 2018-12-13 2020-06-18 华为技术有限公司 滤波方法和装置
US12294473B2 (en) * 2020-11-23 2025-05-06 Shenzhen University Signal processing method and related devices
TWI834408B (zh) 2022-12-02 2024-03-01 元智大學 兩階濾波器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0946249A (ja) * 1995-07-25 1997-02-14 Yaesu Musen Co Ltd デジタルフィルタ
JPH10257113A (ja) * 1997-01-27 1998-09-25 Hitachi Ltd 信号を処理するための回路、ならびに信号に対して補間を実行する方法および装置
JPH11186989A (ja) * 1997-12-02 1999-07-09 Korea Electron Telecommun 多重チャンネルのための直交複素拡散方法およびそ の装置
US6219088B1 (en) * 1998-11-03 2001-04-17 Broadcom Corporation NTSC interference rejection filter
JP2001168832A (ja) * 1999-12-08 2001-06-22 Toshiba Corp Ｏｆｄｍ受信装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375146A (en) * 1993-05-06 1994-12-20 Comsat Corporation Digital frequency conversion and tuning scheme for microwave radio receivers and transmitters
JP2001196962A (ja) * 2000-01-17 2001-07-19 Vertex Standard Co Ltd 受信機における帯域制限装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0946249A (ja) * 1995-07-25 1997-02-14 Yaesu Musen Co Ltd デジタルフィルタ
JPH10257113A (ja) * 1997-01-27 1998-09-25 Hitachi Ltd 信号を処理するための回路、ならびに信号に対して補間を実行する方法および装置
JPH11186989A (ja) * 1997-12-02 1999-07-09 Korea Electron Telecommun 多重チャンネルのための直交複素拡散方法およびそ の装置
US6219088B1 (en) * 1998-11-03 2001-04-17 Broadcom Corporation NTSC interference rejection filter
JP2001168832A (ja) * 1999-12-08 2001-06-22 Toshiba Corp Ｏｆｄｍ受信装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011508552A (ja) * 2007-12-28 2011-03-10 アストリウム・リミテッド 遠隔通信衛星の通信チャネルフィルタリング
JP2013102670A (ja) * 2011-10-21 2013-05-23 Daihen Corp 単相電力変換装置の制御装置

Also Published As

Publication number Publication date
US7395290B2 (en) 2008-07-01
US20050273482A1 (en) 2005-12-08

Similar Documents

Publication Publication Date Title
JP2005348403A (ja) 周波数変換を使用するデジタルフィルタおよびその方法
US6424683B1 (en) Circuit for demodulating two-dimensional data symbols transmitted by a carrier-based data transmission
JPH10505208A (ja) 直交成分減殺段付受信機・ディジタル信号処理方法
JP2004521579A (ja) 適応フィルタを有する受信器及びそのフィルタを最適化する方法
JP4235557B2 (ja) マルチレートデジタルトランシーバー
JP2004336703A (ja) デジタル信号のアナログ再構成
JP4063563B2 (ja) 直接検波回路
GB2282303A (en) Process for the digital generation of a complex baseband signal
KR100454483B1 (ko) 아이/큐 복조장치 및 그의 아이/큐 신호생성방법
US7209721B2 (en) Single sideband mixer and method of extracting single sideband signal
JP3204880B2 (ja) デジタルフィルタ
EP1222749B1 (en) Spread spectrum receiver
US9391655B2 (en) Digital filter for narrowband interference rejection
JP2025517890A (ja) 適応ノッチフィルタを使用したｇｎｓｓ信号干渉を緩和する方法及び装置
JPH11251969A (ja) 周波数ホッピングスペクトラム拡散方式の受信装置
JP2005020675A (ja) デジタル直交変換器
WO2006077795A1 (ja) サンプリング周波数変換装置
KR100550629B1 (ko) 피드포워드 방식을 이용하여 스퓨리어스 특성을 개선하기위한직접 디지털 주파수 합성 장치 및 그 방법
KR100550630B1 (ko) 스퓨리어스 특성의 개선을 위한 직접디지털주파수합성기구동 위상잠금루프 주파수합성 장치 및 그 방법
US7139326B2 (en) Image-canceling quadrature modulator and method
RU239847U1 (ru) Цифровой видеоконвертор
Harris et al. An efficient channelizer tree for portable software defined radios
US7705760B2 (en) Method and device for the filtering and analogue/digital conversion of analogue signal
JP3643109B2 (ja) データ受信装置
JP6737632B2 (ja) 周波数変換装置および周波数変換方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080508

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080508

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110531

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20111206