CN106899324B - 一种长码直扩信号的检测识别方法 - Google Patents
一种长码直扩信号的检测识别方法 Download PDFInfo
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- CN106899324B CN106899324B CN201710145028.8A CN201710145028A CN106899324B CN 106899324 B CN106899324 B CN 106899324B CN 201710145028 A CN201710145028 A CN 201710145028A CN 106899324 B CN106899324 B CN 106899324B
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001228 spectrum Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 230000003044 adaptive effect Effects 0.000 claims abstract description 6
- 238000009825 accumulation Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000005764 inhibitory process Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
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- 238000010295 mobile communication Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
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CN106899324B true CN106899324B (zh) | 2018-12-28 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1889371A (zh) * | 2005-06-27 | 2007-01-03 | 中国人民解放军信息工程大学 | 直接序列扩频通信的信号检测方法及装置 |
US8976842B1 (en) * | 2012-11-02 | 2015-03-10 | Comtech Ef Data Corp. | PN code sync detection and carrier frequency offset estimation for the direct sequence spread spectrum receiver |
CN104158559A (zh) * | 2014-07-31 | 2014-11-19 | 上海航天电子通讯设备研究所 | 基于直扩系统的长码快捕方法 |
CN105071830B (zh) * | 2015-07-17 | 2017-10-03 | 西安空间无线电技术研究所 | 一种直扩信号的检测识别方法 |
CN105680904B (zh) * | 2016-03-15 | 2018-01-19 | 杭州电子科技大学 | 非周期长码直扩信号伪码估计方法 |
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Effective date of registration: 20181113 Address after: Room 3-3, China Electronic Beibuwan Information Port, Haicheng Industrial Park, Beihai City, Guangxi Zhuang Autonomous Region Applicant after: GUANGXI YIJIE TECHNOLOGY CO.,LTD. Address before: 710071 Taibai South Road, Yanta District, Xi'an, Shaanxi Province, No. 2 Applicant before: Xidian University |
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Denomination of invention: A detection and recognition method of long code DSSS signal Effective date of registration: 20220107 Granted publication date: 20181228 Pledgee: Guilin Bank Co.,Ltd. Beihai Branch Pledgor: GUANGXI YIJIE TECHNOLOGY CO.,LTD. Registration number: Y2022450000005 |
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Granted publication date: 20181228 Pledgee: Guilin Bank Co.,Ltd. Beihai Branch Pledgor: GUANGXI YIJIE TECHNOLOGY CO.,LTD. Registration number: Y2022450000005 |