JP4322268B2 - 信号発生装置及び方法 - Google Patents
信号発生装置及び方法 Download PDFInfo
- Publication number
- JP4322268B2 JP4322268B2 JP2006199524A JP2006199524A JP4322268B2 JP 4322268 B2 JP4322268 B2 JP 4322268B2 JP 2006199524 A JP2006199524 A JP 2006199524A JP 2006199524 A JP2006199524 A JP 2006199524A JP 4322268 B2 JP4322268 B2 JP 4322268B2
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- JP
- Japan
- Prior art keywords
- signal
- data
- frequency
- channel
- modulation
- 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
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
Description
を具えるものである。
Claims (2)
- 複数チャネルの送信データを前記チャネル毎に異なる周波数の搬送波でディジタル演算により変調し、周波数帯域が互いに重複しない前記チャネル毎の変調データを生成する変調手段と、
前記変調手段で得られた前記チャネル毎の前記変調データを加算して合成データとして生成する加算手段と、
前記合成データを蓄積するデータ蓄積手段と、
前記データ蓄積手段より読み出した前記合成データをディジタル・アナログ変換すると共に、前記各チャネルのアナログ変調信号に分離する信号分離手段と、
前記信号分離手段で得られた前記各チャネルの前記アナログ変調信号を、それぞれ所望の出力周波数に変換する出力処理手段と
を具える信号発生装置。 - 複数チャネルの送信データを前記チャネル毎に異なる周波数の搬送波でディジタル演算により変調し、周波数帯域が互いに重複しない前記チャネル毎の変調データを生成する変調ステップと、
前記変調手段で得られた前記チャネル毎の前記変調データを加算して合成データとして生成する加算ステップと、
前記合成データを蓄積するデータ蓄積ステップと、
前記データ蓄積手段より読み出した前記合成データをディジタル・アナログ変換すると共に、前記各チャネルのアナログ変調信号に分離する信号分離ステップと、
前記信号分離手段で得られた前記各チャネルの前記アナログ変調信号を、それぞれ所望の出力周波数に変換する出力処理ステップと
を具える信号発生方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006199524A JP4322268B2 (ja) | 2006-07-21 | 2006-07-21 | 信号発生装置及び方法 |
US11/781,129 US7692507B2 (en) | 2006-07-21 | 2007-07-20 | Apparatus and method of generating a plurality of synchronized radio frequency signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006199524A JP4322268B2 (ja) | 2006-07-21 | 2006-07-21 | 信号発生装置及び方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008028726A JP2008028726A (ja) | 2008-02-07 |
JP4322268B2 true JP4322268B2 (ja) | 2009-08-26 |
Family
ID=39118918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006199524A Expired - Fee Related JP4322268B2 (ja) | 2006-07-21 | 2006-07-21 | 信号発生装置及び方法 |
Country Status (2)
Country | Link |
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US (1) | US7692507B2 (ja) |
JP (1) | JP4322268B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11374645B1 (en) * | 2022-01-26 | 2022-06-28 | Emeric S. Bennett | Communicating polarization-dependent information over a free space channel |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010021635A1 (en) | 2008-08-20 | 2010-02-25 | Qualcomm Incorporated | Power control method for a geran system to increase geran network capacity |
US8705411B2 (en) | 2008-08-20 | 2014-04-22 | Qualcomm Incorporated | MUROS modulation using linear baseband combinations with linear gaussian pulse shaping for two users on one timeslot used by non-DARP and DARP remote stations |
US9157943B2 (en) * | 2010-08-13 | 2015-10-13 | Tektronix, Inc. | Multi-channel frequency domain test and measurement instrument |
CN106911399B (zh) | 2015-12-22 | 2021-05-25 | 是德科技股份有限公司 | 宽带宽的多信道信号生成和分析的系统和装置及关联方法 |
CN113661388A (zh) * | 2019-05-14 | 2021-11-16 | 古野电气株式会社 | 观测信号生成装置、观测装置、观测信号生成方法、观测方法、观测信号生成程序及观测程序 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5295138A (en) * | 1992-04-21 | 1994-03-15 | Northwest Starscon Limited Partnership | Apparatus and method for optimal frequency planning in frequency division multiplexing transmissions |
JPH05327563A (ja) | 1992-05-27 | 1993-12-10 | Matsushita Electric Ind Co Ltd | 電子機器のテスト回路及びテスト方法 |
DE69433255T2 (de) * | 1993-02-26 | 2004-04-29 | Nippon Telegraph And Telephone Corp. | Gruppen modulator |
US5519732A (en) * | 1994-05-02 | 1996-05-21 | Harris Corporation | Digital baseband to IF conversion in cellular base stations |
US5825829A (en) * | 1995-06-30 | 1998-10-20 | Scientific-Atlanta, Inc. | Modulator for a broadband communications system |
US5608724A (en) * | 1995-09-27 | 1997-03-04 | Nippondenso Co., Ltd. | Dynamically reconfigurable frequency division multiplexer and modulator |
JP2908403B1 (ja) | 1998-01-09 | 1999-06-21 | 埼玉日本電気株式会社 | マルチキャリア送信機 |
US6161004A (en) * | 1998-03-02 | 2000-12-12 | Mentor Graphics Corporation | Method and apparatus for rejecting image signals in a receiver |
WO2001037502A1 (fr) * | 1999-11-12 | 2001-05-25 | Anritsu Corporation | Dispositif d'analyse de signal module |
JP4326657B2 (ja) | 2000-01-21 | 2009-09-09 | 株式会社日立国際電気 | 振幅歪み補償方法及び無線通信システム |
US6992990B2 (en) * | 2000-07-17 | 2006-01-31 | Sony Corporation | Radio communication apparatus |
DE10051671A1 (de) | 2000-10-18 | 2002-05-02 | Bosch Gmbh Robert | FDM-Demultiplexer-Filterbank sowie FDM-Multiplexer-Filterbank |
-
2006
- 2006-07-21 JP JP2006199524A patent/JP4322268B2/ja not_active Expired - Fee Related
-
2007
- 2007-07-20 US US11/781,129 patent/US7692507B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11374645B1 (en) * | 2022-01-26 | 2022-06-28 | Emeric S. Bennett | Communicating polarization-dependent information over a free space channel |
Also Published As
Publication number | Publication date |
---|---|
US20080144595A1 (en) | 2008-06-19 |
US7692507B2 (en) | 2010-04-06 |
JP2008028726A (ja) | 2008-02-07 |
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