JP4401857B2 - デジタル変調装置および方法 - Google Patents

デジタル変調装置および方法 Download PDF

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Publication number
JP4401857B2
JP4401857B2 JP2004131896A JP2004131896A JP4401857B2 JP 4401857 B2 JP4401857 B2 JP 4401857B2 JP 2004131896 A JP2004131896 A JP 2004131896A JP 2004131896 A JP2004131896 A JP 2004131896A JP 4401857 B2 JP4401857 B2 JP 4401857B2
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JP
Japan
Prior art keywords
frequency
interpolation
sampling frequency
sampling
data
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
JP2004131896A
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English (en)
Japanese (ja)
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JP2005318113A (ja
JP2005318113A5 (enExample
Inventor
照晃 長谷川
孝明 小西
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2004131896A priority Critical patent/JP4401857B2/ja
Priority to CNB2005100670343A priority patent/CN100514951C/zh
Priority to US11/115,112 priority patent/US7450660B2/en
Publication of JP2005318113A publication Critical patent/JP2005318113A/ja
Publication of JP2005318113A5 publication Critical patent/JP2005318113A5/ja
Application granted granted Critical
Publication of JP4401857B2 publication Critical patent/JP4401857B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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)
JP2004131896A 2004-04-27 2004-04-27 デジタル変調装置および方法 Expired - Fee Related JP4401857B2 (ja)

Priority Applications (3)

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
CNB2005100670343A CN100514951C (zh) 2004-04-27 2005-04-27 用于数字调制的装置和方法
US11/115,112 US7450660B2 (en) 2004-04-27 2005-04-27 Apparatus and method for digital modulation

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2005318113A JP2005318113A (ja) 2005-11-10
JP2005318113A5 JP2005318113A5 (enExample) 2007-05-31
JP4401857B2 true JP4401857B2 (ja) 2010-01-20

Family

ID=35136401

Family Applications (1)

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

Country Status (3)

Country Link
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
CN1691658A (zh) 2005-11-02
US20050238115A1 (en) 2005-10-27
CN100514951C (zh) 2009-07-15
JP2005318113A (ja) 2005-11-10

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