CN100446429C - 无线接收装置及其降频方法 - Google Patents
无线接收装置及其降频方法 Download PDFInfo
- Publication number
- CN100446429C CN100446429C CNB021564582A CN02156458A CN100446429C CN 100446429 C CN100446429 C CN 100446429C CN B021564582 A CNB021564582 A CN B021564582A CN 02156458 A CN02156458 A CN 02156458A CN 100446429 C CN100446429 C CN 100446429C
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- Prior art keywords
- frequency
- signal
- radio receiver
- filter
- reducing
- Prior art date
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 abstract description 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
Description
Claims (12)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021564582A CN100446429C (zh) | 2002-12-16 | 2002-12-16 | 无线接收装置及其降频方法 |
HK04109965.8A HK1067246A1 (en) | 2002-12-16 | 2004-12-15 | A wireless receiver with the multi-channel or the single-channel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021564582A CN100446429C (zh) | 2002-12-16 | 2002-12-16 | 无线接收装置及其降频方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1508977A CN1508977A (zh) | 2004-06-30 |
CN100446429C true CN100446429C (zh) | 2008-12-24 |
Family
ID=34236225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021564582A Expired - Fee Related CN100446429C (zh) | 2002-12-16 | 2002-12-16 | 无线接收装置及其降频方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100446429C (zh) |
HK (1) | HK1067246A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI304700B (en) | 2005-02-16 | 2008-12-21 | Wistron Neweb Corp | Wireless transmission device capable of transmitting media from multiple channels |
CN100396092C (zh) * | 2005-02-24 | 2008-06-18 | 启碁科技股份有限公司 | 可传送多个频道的数据的无线信号传输装置 |
CN101064804B (zh) * | 2006-04-29 | 2010-11-03 | 深圳Tcl新技术有限公司 | 具有自动开关功能的电视机 |
US20080057884A1 (en) * | 2006-09-01 | 2008-03-06 | Media Tek Inc. | Programmable direct rf digitization receiver for multiple rf bands |
CN104869566B (zh) * | 2015-06-15 | 2018-05-22 | 湖北师范学院 | 一种通过混沌信号对信息进行加密的通信系统 |
CN108632185B (zh) * | 2018-05-15 | 2021-02-09 | 北京遥测技术研究所 | 一种船舶vdes系统的ais体制解调方法及解调系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1164782A (zh) * | 1996-03-19 | 1997-11-12 | 菲利浦电子有限公司 | 综合收信机 |
WO1998024189A1 (en) * | 1996-11-29 | 1998-06-04 | Northern Telecom Limited | Selective filtering for co-channel interference reduction |
GB2343567A (en) * | 1998-11-05 | 2000-05-10 | Nec Technologies | Digital transmit loop |
-
2002
- 2002-12-16 CN CNB021564582A patent/CN100446429C/zh not_active Expired - Fee Related
-
2004
- 2004-12-15 HK HK04109965.8A patent/HK1067246A1/xx not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1164782A (zh) * | 1996-03-19 | 1997-11-12 | 菲利浦电子有限公司 | 综合收信机 |
WO1998024189A1 (en) * | 1996-11-29 | 1998-06-04 | Northern Telecom Limited | Selective filtering for co-channel interference reduction |
GB2343567A (en) * | 1998-11-05 | 2000-05-10 | Nec Technologies | Digital transmit loop |
Also Published As
Publication number | Publication date |
---|---|
CN1508977A (zh) | 2004-06-30 |
HK1067246A1 (en) | 2005-04-01 |
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Effective date of registration: 20110901 Address after: Taiwan, China Hsinchu Science Industrial Park line 6 force six road, 8 floor Patentee after: Zhicheng electronic Limited by Share Ltd Address before: Science and Technology Park, Hsinchu, China Science and technology road, No. 5, building 5, Taiwan Patentee before: Zhida Electric Co., Ltd. |
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