JP4738604B2 - 復調装置及び復調方法 - Google Patents

復調装置及び復調方法 Download PDF

Info

Publication number
JP4738604B2
JP4738604B2 JP2001016208A JP2001016208A JP4738604B2 JP 4738604 B2 JP4738604 B2 JP 4738604B2 JP 2001016208 A JP2001016208 A JP 2001016208A JP 2001016208 A JP2001016208 A JP 2001016208A JP 4738604 B2 JP4738604 B2 JP 4738604B2
Authority
JP
Japan
Prior art keywords
signal
local oscillation
modulated
digital
oscillation signal
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.)
Expired - Fee Related
Application number
JP2001016208A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001245010A (ja
JP2001245010A5 (enExample
Inventor
ゲラルド オベルシュミット、
ベズリン ブランコビッチ、
ドラガン クルペシェビッチ、
ティノ コンシャック、
トーマス ドレ、
Original Assignee
ソニー インターナショナル (ヨーロッパ) ゲゼルシャフト ミット ベシュレンクテル ハフツング
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 ソニー インターナショナル (ヨーロッパ) ゲゼルシャフト ミット ベシュレンクテル ハフツング filed Critical ソニー インターナショナル (ヨーロッパ) ゲゼルシャフト ミット ベシュレンクテル ハフツング
Publication of JP2001245010A publication Critical patent/JP2001245010A/ja
Publication of JP2001245010A5 publication Critical patent/JP2001245010A5/ja
Application granted granted Critical
Publication of JP4738604B2 publication Critical patent/JP4738604B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/009Compensating quadrature phase or amplitude imbalances

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2001016208A 2000-01-24 2001-01-24 復調装置及び復調方法 Expired - Fee Related JP4738604B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00101381A EP1120899B1 (en) 2000-01-24 2000-01-24 Demodulation structure and method
EP00101381.2 2000-01-24

Publications (3)

Publication Number Publication Date
JP2001245010A JP2001245010A (ja) 2001-09-07
JP2001245010A5 JP2001245010A5 (enExample) 2008-03-06
JP4738604B2 true JP4738604B2 (ja) 2011-08-03

Family

ID=8167693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001016208A Expired - Fee Related JP4738604B2 (ja) 2000-01-24 2001-01-24 復調装置及び復調方法

Country Status (5)

Country Link
US (1) US6724246B2 (enExample)
EP (1) EP1120899B1 (enExample)
JP (1) JP4738604B2 (enExample)
CA (1) CA2331430C (enExample)
DE (1) DE60005291T2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1705852B1 (en) 1999-01-08 2010-02-10 Sony Deutschland Gmbh Synchronisation symbol structure for OFDM system
US6675003B1 (en) * 2000-12-07 2004-01-06 Sirf Technology, Inc. L1/L2 GPS receiver
US20020118773A1 (en) * 2001-02-26 2002-08-29 Minasi David H. System and method providing single channel in-phase and quadrature-phase generation
JP4048208B2 (ja) * 2005-07-22 2008-02-20 株式会社半導体理工学研究センター バンドパスδσad変調器及びデジタル無線受信機
US8639206B1 (en) * 2012-10-05 2014-01-28 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for quadrature mixer circuits
FR3033108B1 (fr) * 2015-02-25 2018-03-23 Continental Automotive France Selecteur de canal pour un recepteur radiofrequence

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4992736A (en) * 1989-08-04 1991-02-12 General Electric Company Radio frequency receiver for a NMR instrument
GB2244410B (en) * 1990-05-25 1994-08-31 Technophone Ltd Quadrature demodulator
US5162763A (en) * 1991-11-18 1992-11-10 Morris Keith D Single sideband modulator for translating baseband signals to radio frequency in single stage
JP3362427B2 (ja) * 1993-01-05 2003-01-07 ソニー株式会社 直交検波器
GB2324919B (en) * 1994-10-12 1999-01-27 Hewlett Packard Co Modulation and frequency conversion by time sharing

Also Published As

Publication number Publication date
EP1120899B1 (en) 2003-09-17
EP1120899A1 (en) 2001-08-01
JP2001245010A (ja) 2001-09-07
DE60005291T2 (de) 2004-07-15
DE60005291D1 (de) 2003-10-23
CA2331430A1 (en) 2001-07-24
US20010030575A1 (en) 2001-10-18
US6724246B2 (en) 2004-04-20
CA2331430C (en) 2009-08-18

Similar Documents

Publication Publication Date Title
US20070140382A1 (en) Bandpass sampling receiver and the sampling method
US20050259768A1 (en) Digital receiver and method for processing received signals
US6195400B1 (en) Two-mode demodulating apparatus
JP3432156B2 (ja) 変調された単側波帯信号を生成する方法および装置
JPH0382248A (ja) 90度移相器とデータ受信機
KR20060121126A (ko) 대역통과 샘플링 수신기 및 샘플링 방법
US6747524B2 (en) Modulator and demodulator
JP4510017B2 (ja) 無線通信システムおよびそれに用いられる無線デジタル受信装置
JP4738604B2 (ja) 復調装置及び復調方法
KR101075610B1 (ko) 직교 위상 편이 키잉 복조기에서 위상 부정합 보상 장치
JPH06315039A (ja) π/4シフトDQPSK変調器
US6728321B2 (en) Receiving device for angle-modulated signals
JP7179720B2 (ja) 無線通信装置及び無線通信方法
US7558189B2 (en) Image signal cancel-type heterodyne reception method and direct conversion orthogonal frequency division multiplexing reception method
KR20090035061A (ko) 주파수 시프터를 이용한 디브이비 티 직접 변환 복조방법및 복조장치
JPH07154439A (ja) 復調装置
JP2004357025A (ja) 受信機
CN110113059B (zh) 一种降低adc采样速率的装置及方法
KR100285756B1 (ko) 무선전송장비에서캐리어트래킹장치
JP3409136B2 (ja) ディジタル放送用直交変調装置
KR20050011046A (ko) 주파수 시프터를 이용한 직접 변환 복조방법 및 복조장치
Kaissoine et al. Demodulation of aggregated RF signals with a unique Rx chain
KR19990019196A (ko) 디지털 복조시스템의 직접 중간주파수 신호 샘플링 방법
CN117294330A (zh) 一种电网中双模模块电能表的通信方法、装置及电能表
JPH066397A (ja) 遅延検波器

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080123

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080123

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20081002

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20081104

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100804

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100817

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101117

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110405

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110427

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140513

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees