CN112764058B - 基于载噪比的自适应分层小波包变换多径抑制方法及系统 - Google Patents
基于载噪比的自适应分层小波包变换多径抑制方法及系统 Download PDFInfo
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- CN112764058B CN112764058B CN202011590865.XA CN202011590865A CN112764058B CN 112764058 B CN112764058 B CN 112764058B CN 202011590865 A CN202011590865 A CN 202011590865A CN 112764058 B CN112764058 B CN 112764058B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000009466 transformation Effects 0.000 title claims abstract 14
- 230000005764 inhibitory process Effects 0.000 title claims abstract 3
- 230000003044 adaptive effect Effects 0.000 title claims description 35
- 238000012937 correction Methods 0.000 claims abstract description 61
- 238000012545 processing Methods 0.000 claims abstract description 21
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 230000002401 inhibitory effect Effects 0.000 claims abstract 3
- 238000000354 decomposition reaction Methods 0.000 claims description 36
- 230000001629 suppression Effects 0.000 claims description 35
- 238000000605 extraction Methods 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 8
- 230000000116 mitigating effect Effects 0.000 claims 3
- 238000011284 combination treatment Methods 0.000 claims 2
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- 230000000694 effects Effects 0.000 description 6
- 239000000284 extract Substances 0.000 description 6
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- 238000011160 research Methods 0.000 description 2
- 238000010845 search algorithm Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- G01S19/22—Multipath-related issues
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- 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)
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CN202011590865.XA CN112764058B (zh) | 2020-12-29 | 2020-12-29 | 基于载噪比的自适应分层小波包变换多径抑制方法及系统 |
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CN112764058B true CN112764058B (zh) | 2023-12-08 |
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CN112230254B (zh) * | 2020-10-29 | 2024-05-14 | 新乡医学院三全学院 | 一种gps载波相位多径误差的校正方法及装置 |
Citations (7)
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CN1599366A (zh) * | 2004-08-25 | 2005-03-23 | 天津大学 | 基于小波包变换的多载波通信系统方案 |
WO2010045724A1 (en) * | 2008-10-20 | 2010-04-29 | Neurochip Corporation | Method and rhythm extractor for detecting and isolating rhythmic signal features from an input signal using the wavelet packet transform |
CN101807960A (zh) * | 2009-02-18 | 2010-08-18 | 三星电子株式会社 | 基于小波包变换实现自适应频谱感知的方法 |
US9838151B1 (en) * | 2015-03-03 | 2017-12-05 | Rockwell Collins, Inc. | Wavelet transformation based anti-jam processing techniques |
CN109061687A (zh) * | 2018-07-31 | 2018-12-21 | 太原理工大学 | 一种基于自适应阈值和双参考平移策略的多径抑制方法 |
CN110058273A (zh) * | 2019-04-23 | 2019-07-26 | 杭州电子科技大学 | 一种单差观测值gps载波多径校正方法 |
CN110320535A (zh) * | 2019-07-03 | 2019-10-11 | 哈尔滨工程大学 | 一种基于小波包变换与空域处理的卫星导航接收机多干扰抑制方法 |
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2020
- 2020-12-29 CN CN202011590865.XA patent/CN112764058B/zh active Active
Patent Citations (7)
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CN1599366A (zh) * | 2004-08-25 | 2005-03-23 | 天津大学 | 基于小波包变换的多载波通信系统方案 |
WO2010045724A1 (en) * | 2008-10-20 | 2010-04-29 | Neurochip Corporation | Method and rhythm extractor for detecting and isolating rhythmic signal features from an input signal using the wavelet packet transform |
CN101807960A (zh) * | 2009-02-18 | 2010-08-18 | 三星电子株式会社 | 基于小波包变换实现自适应频谱感知的方法 |
US9838151B1 (en) * | 2015-03-03 | 2017-12-05 | Rockwell Collins, Inc. | Wavelet transformation based anti-jam processing techniques |
CN109061687A (zh) * | 2018-07-31 | 2018-12-21 | 太原理工大学 | 一种基于自适应阈值和双参考平移策略的多径抑制方法 |
CN110058273A (zh) * | 2019-04-23 | 2019-07-26 | 杭州电子科技大学 | 一种单差观测值gps载波多径校正方法 |
CN110320535A (zh) * | 2019-07-03 | 2019-10-11 | 哈尔滨工程大学 | 一种基于小波包变换与空域处理的卫星导航接收机多干扰抑制方法 |
Non-Patent Citations (4)
Title |
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BeiDou system satellite-induced pseudorange multipath bias mitigation based on different orbital characteristic for static applications;Su MK 等;《IET Radar, Sonar & Navigation》;第14卷(第2期);第242-251页 * |
Carrier-Phase Multipath Mitigation Based on Adaptive Wavelet Packet Transform and TB Strategy;Yang Yanxi 等;《IEICE TRANSACTIONS ON COMMUNICATIONS》;第591-599页 * |
基于双重判断策略的自适应WPT窄带干扰抑制方法;孟生云 等;《遥测遥控》;第34卷(第4期);第45-52页 * |
基于变换域的GNSS接收机抗干扰技术研究;郭萌;《中国优秀硕士学位论文全文数据库》;第38-54页 * |
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