CN112764058A - 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
- Publication number
- CN112764058A CN112764058A CN202011590865.XA CN202011590865A CN112764058A CN 112764058 A CN112764058 A CN 112764058A CN 202011590865 A CN202011590865 A CN 202011590865A CN 112764058 A CN112764058 A CN 112764058A
- Authority
- CN
- China
- Prior art keywords
- cnr
- multipath
- difference
- wavelet packet
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000009466 transformation Effects 0.000 title claims abstract description 49
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001629 suppression Effects 0.000 title claims abstract description 11
- 238000012937 correction Methods 0.000 claims abstract description 56
- 238000012545 processing Methods 0.000 claims abstract description 29
- 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 description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 36
- 230000000116 mitigating effect Effects 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 18
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 230000005764 inhibitory process Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 238000010845 search algorithm Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000008707 rearrangement Effects 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
Images
Classifications
-
- 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
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)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112764058A true CN112764058A (zh) | 2021-05-07 |
CN112764058B CN112764058B (zh) | 2023-12-08 |
Family
ID=75696935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011590865.XA Active 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 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112764058B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112230254A (zh) * | 2020-10-29 | 2021-01-15 | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2020
- 2020-12-29 CN CN202011590865.XA patent/CN112764058B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
---|
SU MK 等: "BeiDou system satellite-induced pseudorange multipath bias mitigation based on different orbital characteristic for static applications", 《IET RADAR, SONAR & NAVIGATION》, vol. 14, no. 2, pages 242 - 251, XP006088987, DOI: 10.1049/iet-rsn.2019.0337 * |
YANG YANXI 等: "Carrier-Phase Multipath Mitigation Based on Adaptive Wavelet Packet Transform and TB Strategy", 《IEICE TRANSACTIONS ON COMMUNICATIONS》, pages 591 - 599 * |
孟生云 等: "基于双重判断策略的自适应WPT窄带干扰抑制方法", 《遥测遥控》, vol. 34, no. 4, pages 45 - 52 * |
郭萌: "基于变换域的GNSS接收机抗干扰技术研究", 《中国优秀硕士学位论文全文数据库》, pages 38 - 54 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112230254A (zh) * | 2020-10-29 | 2021-01-15 | 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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
CN112764058B (zh) | 2023-12-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111045052B (zh) | 一种智能终端伪距差分定位及质量控制方法 | |
CN111025346A (zh) | 一种快速估计gnss精密卫星钟差的方法及存储介质 | |
US20110187598A1 (en) | Method and system for estimating position using dual real time kinematic engines | |
WO2011046866A1 (en) | System and method for compensating for faulty measurements | |
CN103529462A (zh) | 一种用于全球导航卫星系统的动态周跳探测与修复方法 | |
CN110058273A (zh) | 一种单差观测值gps载波多径校正方法 | |
WO2007062358A2 (en) | Methods and apparatus to detect and correct integrity failures in satellite positioning system receivers | |
CN107817506B (zh) | 扩频无线电通信信号的基于倒谱的多径抑制 | |
US8063818B2 (en) | Cross-PRN phase correction for GPS processing | |
CN112068161B (zh) | 一种多路径误差削减方法及装置 | |
CN106291604A (zh) | 卫星导航信号接收机的改进码跟踪方法及环路 | |
CN112764058B (zh) | 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 | |
CN113541766A (zh) | 低轨卫星通信系统快速频率捕获方法、系统及终端 | |
CN109507696B (zh) | 一种基于自适应滤波的gnss伪距多路径消除方法 | |
CN114325786A (zh) | 一种bds3-ppp定位方法及系统 | |
CN111060935A (zh) | Gnss欺骗干扰检测方法 | |
Zheng et al. | Multipath mitigation for improving GPS narrow-lane uncalibrated phase delay estimation and speeding up PPP ambiguity resolution | |
CN104808223B (zh) | 一种适用于星载gnss‑r接收机的具有可抑制镜点高动态的相关器 | |
CN112230254B (zh) | 一种gps载波相位多径误差的校正方法及装置 | |
Juang et al. | Noncoherent BOC signal tracking based on a five-correlator architecture | |
CN109946722B (zh) | 一种多系统多频段定位方法及系统 | |
CN111427070B (zh) | 一种gnss抗欺骗干扰方法 | |
CN114355417B (zh) | 顾及伪距多径、轨道及数据类型的三频周跳探测修复法 | |
CN116859415A (zh) | 一种快速稳健高精度的多故障卫星识别及定位方法 | |
CN108469622B (zh) | 基于自适应阈值的卫星导航数据完好性检测系统及方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Su Mingkun Inventor after: Ma Hao Inventor after: Qiao Lei Inventor after: Qiu Zhaoyang Inventor after: Wu Chao Inventor after: Teng Xuyang Inventor after: Song Huina Inventor before: Ma Hao Inventor before: Su Mingkun Inventor before: Qiao Lei Inventor before: Qiu Zhaoyang Inventor before: Wu Chao Inventor before: Teng Xuyang Inventor before: Song Huina |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |