CN1904635B - 探测弱讯号的方法与相关装置 - Google Patents
探测弱讯号的方法与相关装置 Download PDFInfo
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- CN1904635B CN1904635B CN2006101090265A CN200610109026A CN1904635B CN 1904635 B CN1904635 B CN 1904635B CN 2006101090265 A CN2006101090265 A CN 2006101090265A CN 200610109026 A CN200610109026 A CN 200610109026A CN 1904635 B CN1904635 B CN 1904635B
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (32)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59566005P | 2005-07-25 | 2005-07-25 | |
US60/595,660 | 2005-07-25 | ||
US59583705P | 2005-08-09 | 2005-08-09 | |
US60/595,837 | 2005-08-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1904635A CN1904635A (zh) | 2007-01-31 |
CN1904635B true CN1904635B (zh) | 2010-05-12 |
Family
ID=37673935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101090265A Expired - Fee Related CN1904635B (zh) | 2005-07-25 | 2006-07-25 | 探测弱讯号的方法与相关装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7729457B2 (zh) |
CN (1) | CN1904635B (zh) |
TW (1) | TWI343193B (zh) |
Families Citing this family (18)
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US7570208B2 (en) * | 2005-12-29 | 2009-08-04 | Sirf Technology, Inc. | Unassisted indoor GPS receiver |
US8279910B2 (en) * | 2006-03-02 | 2012-10-02 | Qualcomm Incorporated | Method and apparatus for code space search in a receiver |
TWI301546B (en) * | 2006-06-16 | 2008-10-01 | Via Tech Inc | Global position system signal receiver and searching and acquiring method thereof |
US20080156772A1 (en) * | 2006-12-29 | 2008-07-03 | Yunsang Kim | Method and apparatus for wafer edge processing |
US7831785B2 (en) * | 2007-04-30 | 2010-11-09 | Hewlett-Packard Development Company, L.P. | Data collection management system and method |
US8280335B2 (en) | 2008-06-30 | 2012-10-02 | Intel Corporation | Dynamic RFI detection |
US20100233353A1 (en) * | 2009-03-16 | 2010-09-16 | Applied Materials, Inc. | Evaporator, coating installation, and method for use thereof |
JP5321499B2 (ja) * | 2010-02-23 | 2013-10-23 | セイコーエプソン株式会社 | 信号捕捉方法 |
JP5321500B2 (ja) * | 2010-02-23 | 2013-10-23 | セイコーエプソン株式会社 | 信号捕捉方法 |
US9844079B1 (en) * | 2010-10-27 | 2017-12-12 | Keysight Technologies, Inc. | Method and system of triggering signal analysis combining time and frequency domain trigger criteria |
CN102253360B (zh) * | 2011-04-14 | 2013-04-03 | 上海大学 | 阈值自动调整的循环平稳信号源个数估计方法 |
TWI457761B (zh) * | 2011-12-14 | 2014-10-21 | A system for accelerating signal transmission and a method thereof | |
CN107132555B (zh) * | 2016-02-26 | 2019-10-25 | 大唐半导体设计有限公司 | 一种并行码相位搜索装置及实现并行码相位搜索的方法 |
CN107132554B (zh) * | 2016-02-26 | 2019-10-25 | 大唐半导体设计有限公司 | 一种并行码相位搜索装置及实现并行码相位搜索的方法 |
CN107132553B (zh) * | 2016-02-26 | 2019-10-25 | 大唐半导体设计有限公司 | 一种并行码相位搜索装置及实现并行码相位搜索的方法 |
WO2020107138A1 (zh) * | 2018-11-26 | 2020-06-04 | 深圳市大疆创新科技有限公司 | 一种微波雷达和无人飞行器 |
US11158369B2 (en) * | 2018-12-26 | 2021-10-26 | Western Digital Technologies, Inc. | On-chip non-volatile memory (NVM) search |
CN117770870B (zh) * | 2024-02-26 | 2024-05-10 | 之江实验室 | 一种基于双线阵超声波场分离的超声成像方法及装置 |
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CN1167922A (zh) * | 1995-12-06 | 1997-12-17 | 格布瑞特技术股份公司 | 利用雷达探测器的监视装置 |
US6236354B1 (en) * | 1998-07-02 | 2001-05-22 | Snaptrack, Inc. | Reducing satellite signal interference in a global positioning system receiver |
CN1392421A (zh) * | 2001-06-20 | 2003-01-22 | 香港城市大学 | 具有微光学波面整形器的共轴微脉冲激光雷达系统 |
US6640107B1 (en) * | 2000-02-22 | 2003-10-28 | Hitachi, Ltd. | Wireless location handset apparatus |
US20040078140A1 (en) * | 2002-10-22 | 2004-04-22 | Rowitch Douglas N. | Procedure for searching for position determination signals using a plurality of search modes |
US20040174943A1 (en) * | 2002-01-02 | 2004-09-09 | Sirf Technology, Inc. | Narrowband noise mitigation in location-determining signal processing |
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US501171A (en) * | 1893-07-11 | Truman a | ||
US3965342A (en) * | 1974-11-04 | 1976-06-22 | James Nickolas Constant | Digital FFT processor using random access memory |
US4701934A (en) * | 1985-09-03 | 1987-10-20 | Motorola, Inc. | Method of doppler searching in a digital GPS receiver |
DE69230543T2 (de) * | 1991-02-28 | 2000-08-10 | Texas Instruments Inc | Vielkanal- und Suchprozessor für GPS |
US5347284A (en) * | 1991-02-28 | 1994-09-13 | Texas Instruments Incorporated | System and method for a digital navigation satellite receiver |
US5323322A (en) * | 1992-03-05 | 1994-06-21 | Trimble Navigation Limited | Networked differential GPS system |
JP3295454B2 (ja) * | 1992-08-05 | 2002-06-24 | パイオニア株式会社 | Gps受信機の信号処理方法 |
US5420593A (en) * | 1993-04-09 | 1995-05-30 | Trimble Navigation Limited | Method and apparatus for accelerating code correlation searches in initial acquisition and doppler and code phase in re-acquisition of GPS satellite signals |
US5901171A (en) | 1996-03-15 | 1999-05-04 | Sirf Technology, Inc. | Triple multiplexing spread spectrum receiver |
US6118808A (en) * | 1996-07-12 | 2000-09-12 | General Electric Company | GPS receiver with efficient signal acquisition |
US6091785A (en) * | 1997-09-25 | 2000-07-18 | Trimble Navigation Limited | Receiver having a memory based search for fast acquisition of a spread spectrum signal |
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US6327473B1 (en) * | 1998-09-08 | 2001-12-04 | Qualcomm Incorporated | Method and apparatus for increasing the sensitivity of a global positioning satellite receiver |
US6300899B1 (en) * | 1999-02-19 | 2001-10-09 | Thomas M. King | Fixed site data-aided GPS signal acquisition method and system |
AU4486700A (en) | 1999-04-23 | 2000-11-10 | Global Locate, Inc. | Apparatus for computing gps correlations in parallel |
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US7209076B2 (en) * | 2002-07-10 | 2007-04-24 | Qualcomm Incorporated | Cross-correlation mitigation method and apparatus for use in a global positioning system receiver |
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-
2006
- 2006-05-10 US US11/382,704 patent/US7729457B2/en not_active Expired - Fee Related
- 2006-07-07 TW TW095124803A patent/TWI343193B/zh not_active IP Right Cessation
- 2006-07-25 CN CN2006101090265A patent/CN1904635B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1167922A (zh) * | 1995-12-06 | 1997-12-17 | 格布瑞特技术股份公司 | 利用雷达探测器的监视装置 |
US6236354B1 (en) * | 1998-07-02 | 2001-05-22 | Snaptrack, Inc. | Reducing satellite signal interference in a global positioning system receiver |
US6640107B1 (en) * | 2000-02-22 | 2003-10-28 | Hitachi, Ltd. | Wireless location handset apparatus |
CN1392421A (zh) * | 2001-06-20 | 2003-01-22 | 香港城市大学 | 具有微光学波面整形器的共轴微脉冲激光雷达系统 |
US20040174943A1 (en) * | 2002-01-02 | 2004-09-09 | Sirf Technology, Inc. | Narrowband noise mitigation in location-determining signal processing |
US20040078140A1 (en) * | 2002-10-22 | 2004-04-22 | Rowitch Douglas N. | Procedure for searching for position determination signals using a plurality of search modes |
Also Published As
Publication number | Publication date |
---|---|
TW200705833A (en) | 2007-02-01 |
US20070019714A1 (en) | 2007-01-25 |
TWI343193B (en) | 2011-06-01 |
CN1904635A (zh) | 2007-01-31 |
US7729457B2 (en) | 2010-06-01 |
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Owner name: MORNINGSTAR SEMICONDUCTOR CO., LTD. Free format text: FORMER OWNER: KUAIGUI TECHNOLOGY INC. Effective date: 20070831 |
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Effective date of registration: 20070831 Address after: Hsinchu County, Taiwan, China Applicant after: MSTAR SEMICONDUCTOR Inc. Address before: California, USA Applicant before: Fast Rail Technology |
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Effective date of registration: 20200413 Address after: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee after: MEDIATEK Inc. Address before: Hsinchu County, Taiwan, China Patentee before: MSTAR SEMICONDUCTOR Inc. |
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