CN100514951C - 用于数字调制的装置和方法 - Google Patents

用于数字调制的装置和方法 Download PDF

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Publication number
CN100514951C
CN100514951C CNB2005100670343A CN200510067034A CN100514951C CN 100514951 C CN100514951 C CN 100514951C CN B2005100670343 A CNB2005100670343 A CN B2005100670343A CN 200510067034 A CN200510067034 A CN 200510067034A CN 100514951 C CN100514951 C CN 100514951C
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China
Prior art keywords
frequency
data
interpolation
sample frequency
sample
Prior art date
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Expired - Fee Related
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CNB2005100670343A
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English (en)
Chinese (zh)
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CN1691658A (zh
Inventor
长谷川照晃
小西孝明
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Publication of CN1691658A publication Critical patent/CN1691658A/zh
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Publication of CN100514951C publication Critical patent/CN100514951C/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
CNB2005100670343A 2004-04-27 2005-04-27 用于数字调制的装置和方法 Expired - Fee Related CN100514951C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004131896A JP4401857B2 (ja) 2004-04-27 2004-04-27 デジタル変調装置および方法
JP131896/2004 2004-04-27

Publications (2)

Publication Number Publication Date
CN1691658A CN1691658A (zh) 2005-11-02
CN100514951C true CN100514951C (zh) 2009-07-15

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CNB2005100670343A Expired - Fee Related CN100514951C (zh) 2004-04-27 2005-04-27 用于数字调制的装置和方法

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US (1) US7450660B2 (enExample)
JP (1) JP4401857B2 (enExample)
CN (1) CN100514951C (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4598587B2 (ja) * 2005-04-08 2010-12-15 パナソニック株式会社 デジタル変調装置及びデジタル変調方法
JP4657860B2 (ja) * 2005-09-16 2011-03-23 富士通株式会社 光送信装置および光通信システム
JP2011061719A (ja) * 2009-09-14 2011-03-24 Toshiba Corp 変調装置及び復調装置
JP5325266B2 (ja) * 2011-07-05 2013-10-23 有限会社菅原設計事務所 回転体のアンバランス量測定方法および装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6546044B1 (en) * 1996-10-11 2003-04-08 Ericsson Inc. Dual-mode radiotelephone apparatus for digital or analog modulation
US6144712A (en) * 1997-10-09 2000-11-07 Broadcom Corporation Variable rate modulator
US6292654B1 (en) * 1997-11-03 2001-09-18 Harris Corporation Digital noise blanker for communications systems and methods therefor
JP3953164B2 (ja) 1997-11-26 2007-08-08 株式会社日立国際電気 ディジタル直交変調器及び復調器
JP3575992B2 (ja) * 1998-07-17 2004-10-13 富士通株式会社 ディジタル変調装置
US20030174784A1 (en) * 2001-12-26 2003-09-18 Samarasooriya Vajira N. S. Method and system for digital modulation for burst mode applications
US20040037366A1 (en) * 2002-08-23 2004-02-26 Magis Networks, Inc. Apparatus and method for multicarrier modulation and demodulation

Also Published As

Publication number Publication date
US7450660B2 (en) 2008-11-11
JP4401857B2 (ja) 2010-01-20
CN1691658A (zh) 2005-11-02
US20050238115A1 (en) 2005-10-27
JP2005318113A (ja) 2005-11-10

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Granted publication date: 20090715

Termination date: 20130427