CN104813583A - 正交混频装置 - Google Patents
正交混频装置 Download PDFInfo
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- CN104813583A CN104813583A CN201380002002.8A CN201380002002A CN104813583A CN 104813583 A CN104813583 A CN 104813583A CN 201380002002 A CN201380002002 A CN 201380002002A CN 104813583 A CN104813583 A CN 104813583A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 230000010355 oscillation Effects 0.000 claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims description 141
- 230000005693 optoelectronics Effects 0.000 claims description 24
- 230000010363 phase shift Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
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- 238000001228 spectrum Methods 0.000 description 1
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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
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
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Abstract
Description
Claims (3)
- 权 利 要 求 书1、 一种正交混频装置, 其特征在于, 包括: 本地振荡信号输出装置、 第一乘法器和第二乘法器;所述本地振荡信号输出装置包括:光信号输出装置, 用于输出包含具有固定频率差的第一波长和第二波 长的光信号, 并将包含所述第一波长的第一光信号输入至第一光学耦合器 和第二光学耦合器, 将包含所述第二波长的第二光信号输入至所述第一光 学耦合器和相位移相器, 所述固定频率差与微波信号的中心频率相同; 所述相位移相器, 用于将所述第二光信号进行 90度相位移动得到第 三光信号, 并将所述第三光信号输入至第二光学耦合器;所述第一光学耦合器, 用于将所述第一光信号和第二光信号耦合得到 第四光信号, 并将所述第四光信号输入至第一光电转换二极管;所述第二光学耦合器, 用于将所述第一光信号和所述第三光信号耦合 得到第五光信号, 并将所述第五光信号输入至第二光电转换二极管;所述第一光电转换二极管, 用于将所述第四光信号进行光电转换得到 第一本地振荡电信号, 并输出所述第一本地振荡电信号;所述第二光电转换二极管, 用于将所述第五光信号进行光电转换得到 第二本地振荡电信号, 并输出所述第二本地振荡电信号;所述第一乘法器, 用于将所述第一本地振荡电信号与所述微波信号相 乘, 得到第一中频信号;所述第二乘法器, 用于将所述第二本地振荡电信号与所述微波信号相 乘, 得到第二中频信号。
- 2、 根据权利要求 1 所述的正交混频装置, 其特征在于, 所述光信号 输出装置包括:激光器, 用于输出第六光信号;调制器, 用于接收所述第六光信号并对所述第六光信号进行调制, 得 到第七光信号, 所述第七光信号里的谱线的数量由所述调制器的时钟频率 与半波电压决定;光波长选择开关, 用于接收所述第七光信号, 并根据所述第七光信号 选择输出所述包含具有固定频率差的第一波长和第二波长的光信号。 3、 根据权利要求 1 所述的正交混频装置, 其特征在于, 所述光信号 输出装置包括: 相互独立的第一激光器和第二激光器;所述第一激光器和第二激光器用于输出所述包含具有固定频率差的 第一波长和第二波长的光信号。
- 4、 根据权利要求 1~3任一项所述的正交混频装置, 其特征在于, 所 述本地振荡信号输出装置中的相位移相器还用于接收控制信号, 并根据所 述控制信号将所述第二光信号进行 90度相位移动得到所述第三光信号, 所述控制信号是由微波接收系统中的数字信号处理单元发送的。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2013/084627 WO2015042920A1 (zh) | 2013-09-29 | 2013-09-29 | 正交混频装置 |
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CN104813583A true CN104813583A (zh) | 2015-07-29 |
CN104813583B CN104813583B (zh) | 2017-06-20 |
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CN201380002002.8A Active CN104813583B (zh) | 2013-09-29 | 2013-09-29 | 正交混频装置 |
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CN (1) | CN104813583B (zh) |
WO (1) | WO2015042920A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114422037A (zh) * | 2022-01-27 | 2022-04-29 | 中国科学院半导体研究所 | 一种光电融合的变频方法 |
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KR20060005593A (ko) * | 2004-07-13 | 2006-01-18 | 삼성전자주식회사 | 쿼드러처 신호를 이용한 레이더 시스템 |
CN1890873A (zh) * | 2003-12-10 | 2007-01-03 | 艾利森电话股份有限公司 | 混频器装置 |
CN101212203A (zh) * | 2006-12-29 | 2008-07-02 | 联发科技(新加坡)私人有限公司 | 同相正交混频器,通信装置及其方法 |
JP2010062619A (ja) * | 2008-09-01 | 2010-03-18 | Nippon Telegr & Teleph Corp <Ntt> | 周波数変調信号発生方法及び発生装置 |
CN102111223A (zh) * | 2010-11-11 | 2011-06-29 | 宁波安陆通信科技有限公司 | 一种双波段射频光传输模块 |
Family Cites Families (2)
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JP2002111525A (ja) * | 2000-09-29 | 2002-04-12 | Matsushita Electric Ind Co Ltd | 2出力チューナ |
CN102571207B (zh) * | 2010-10-29 | 2015-08-19 | 中兴通讯(美国)公司 | 用于光学无线架构的方法和装置 |
-
2013
- 2013-09-29 CN CN201380002002.8A patent/CN104813583B/zh active Active
- 2013-09-29 WO PCT/CN2013/084627 patent/WO2015042920A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1890873A (zh) * | 2003-12-10 | 2007-01-03 | 艾利森电话股份有限公司 | 混频器装置 |
KR20060005593A (ko) * | 2004-07-13 | 2006-01-18 | 삼성전자주식회사 | 쿼드러처 신호를 이용한 레이더 시스템 |
CN101212203A (zh) * | 2006-12-29 | 2008-07-02 | 联发科技(新加坡)私人有限公司 | 同相正交混频器,通信装置及其方法 |
JP2010062619A (ja) * | 2008-09-01 | 2010-03-18 | Nippon Telegr & Teleph Corp <Ntt> | 周波数変調信号発生方法及び発生装置 |
CN102111223A (zh) * | 2010-11-11 | 2011-06-29 | 宁波安陆通信科技有限公司 | 一种双波段射频光传输模块 |
Non-Patent Citations (1)
Title |
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曾桂根等: "一种改进结构的数字混频正交变换法", 《信号处理》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114422037A (zh) * | 2022-01-27 | 2022-04-29 | 中国科学院半导体研究所 | 一种光电融合的变频方法 |
CN114422037B (zh) * | 2022-01-27 | 2023-06-20 | 中国科学院半导体研究所 | 一种光电融合的变频方法 |
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WO2015042920A1 (zh) | 2015-04-02 |
CN104813583B (zh) | 2017-06-20 |
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