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Marine target detection based on Marine-Faster R-CNN for navigation radar plane position indicator images Research Article

Xiaolong CHEN, Xiaoqian MU, Jian GUAN, Ningbo LIU, Wei ZHOU,cxlcxl1209@163.com,guanjian_68@163.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 4,   Pages 630-643 doi: 10.1631/FITEE.2000611

Abstract: R-CNN (region convolutional neural network) has been widely used in high-resolution synthetic aperture radarHowever, for most common low-resolution radar , it is difficult to achieve good performance.The method performs feature extraction and target recognition on PPI images generated by radar echoesIts performance was tested with datasets from different observation conditions (sea states, radar parameters

Keywords： Marine target detection     Navigation radar     Plane position indicator (PPI) images     Convolutional neural    

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Guidelines for navigation-assisted spine surgery

Wei Tian, Bo Liu, Da He, Yajun Liu, Xiaoguang Han, Jingwei Zhao, Mingxing International Society for Computer Assisted Orthopaedic Surgery

Frontiers of Medicine 2020, Volume 14, Issue 4,   Pages 518-527 doi: 10.1007/s11684-020-0775-8

Abstract: Computer-assisted navigation is an extension and application of precision medicine in orthopaedic surgeryspecialists, literature reviews, and our local experience, these guidelines include the basic concepts of the navigationsystem, workflow of navigation-assisted spinal surgery, some common pitfalls, and recommended solutionsThis work helps to standardize navigation-assisted spinal surgery, improve its clinical efficiency and

Keywords： guidelines     spine surgery     computer-assisted navigation    

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Studies on Autonomous Navigation Techniques for Navigation Constellations

Shuai Ping,Qu Guangji,Chen Zhonggui

Strategic Study of CAE 2006, Volume 8, Issue 3,   Pages 22-30

Abstract:

If the autonomous navigation techniques are applied to a navigation constellation, the number of theMeanwhile, the integrity of navigation messages can be monitored in the real-time mode and the survivabilityof the navigation system also enhanced.The autonomous navigation will be gradually a main research subject for the next generation navigationSecondly, the key techniques to realize the autonomous navigation for the navigation constellation, including

Keywords： navigation constellation     autonomous navigation     information processing flow     system simulation    

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Innovation and development of BeiDou Navigation Satellite System (BDS) project management mode

Changfeng YANG

Frontiers of Engineering Management 2021, Volume 8, Issue 2,   Pages 312-320 doi: 10.1007/s42524-021-0155-3

Abstract: Zachary A. COLLIER, James H. LAMBERT. [J]. Front. Eng, 2020, 7(2): 172-181.Shanlin YANG, Jianmin WANG, Leyuan SHI, Yuejin TAN, Fei QIAO. [J]. Front. Eng, 2018, 5(4): 420-450.Yongkai ZHOU, Hongfeng CHAI. [J]. Front. Eng, 2017, 4(2): 127-137.Eric SCHEEPBOUWER, Douglas D. GRANSBERG, Carla Lopez del PUERTO. [J]. Front. Eng, 2017, 4(1): 49-57.Jonathan Jingsheng SHI, Saixing ZENG, Xiaohua MENG. [J]. Front. Eng, 2017, 4(1): 41-48.David A. Wyrick,Warren Myers. [J]. Front. Eng, 2016, 3(3): 203-205.Elizabeth A. Cudney,William L. Gillis. [J]. Front. Eng, 2016, 3(3): 224-230.Ling-ling Zhang,Ming-hui Zhao,Qiao Wang. [J]. Front. Eng, 2016, 3(2): 136-143.Chuan-jun Zheng,Hu Cheng. [J]. Front. Eng, 2015, 2(3): 304-310.Yong Shi. [J]. Front. Eng, 2015, 2(3): 293-303.Qiao Xiang. [J]. Front. Eng, 2015, 2(3): 249-260.Wen Ling. [J]. Front. Eng, 2015, 2(2): 173-177.Hong-feng Chai. [J]. Front. Eng, 2015, 2(2): 165-172.Hiral Shah,Walter Nowocin. [J]. Front. Eng, 2015, 2(1): 60-63.William L. Gillis,Elizabeth A. Cudney. [J]. Front. Eng, 2015, 2(1): 39-51.

Keywords： BDS     engineering management     systems engineering    

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Glogbal Services of BeiDou Navigation Satellite System: Risk Analysis and Countermeasures

Yang Jun

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 13-21 doi: 10.15302/J-SSCAE-2023.02.002

Abstract:

After the BeiDou navigation satellite system (BDS) global services weretrend of BDS global services from the perspectives of international development trends of satellite navigation

Keywords： BeiDou navigation satellite system     global services     risk analysis     risk response    

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Create Deep Navigation Channel at the Yangtze Estuary, Establish Shanghai International Navigation Centre

Yan Kai

Strategic Study of CAE 1999, Volume 1, Issue 2,   Pages 30-33

Abstract: international economic, financial and trade centre it is essential to make Shanghai an international navigationWith the rapid development of container transport on a global scale, such an international navigation

Keywords： deep navigation channel     the Yangtze River estuary     Shanghai international navigation centre     regulation    

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Study on motion compensation method for MMW Chirp － SF radar

Wang Guili,Li Xingguo

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 184-187

Abstract:

MMW Chirp - SF radar is a kind of radar to get high range resolution,

Keywords： MMW radar     Chirp - SF     Doppler     motion compensation    

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Integrated Development of Satellite and Satellite-Independent Navigation Technologies from the Perspective

Guo Shuren, Jiang Kun, Li Xing, Liu Gang, Li Ping, Li Linze, Guo Siyuan

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 50-58 doi: 10.15302/J-SSCAE-2023.02.006

Abstract:

Satellite navigation has all-weather, all-time, and low-cost advantagesand has become the most widely used means of positioning, navigation, and timing (PNT) service since, the concept of satellite-independent navigation technology has been proposed and received attentionsuch as inertial navigation, matching navigation, and radio navigation (except for satellite navigationnavigation performance and maximizing system contribution.

Keywords： positioning     navigation     and timing system     satellite navigation     satellite-independent navigation     technology    

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Service Performance Enhancement Technologies for BeiDou Navigation Satellite System along the Belt and

Zhou Jianhua, Chen Junping, Zhang Jingyu

Strategic Study of CAE 2019, Volume 21, Issue 4,   Pages 69-75 doi: 10.15302/J-SSCAE-2019.04.005

Abstract:

To solve problems in globalization of the BeiDou Navigation Satelliteapplication status of the BDS, based on the overall application and development trend of satellite navigation

Keywords： satellite navigation，BeiDou Navigation Satellite System (BDS)，the Belt and Road，application and promotion    

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Understand and construct Beidou

Xu Qifeng

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 26-32

Abstract:

This paper indicates that the development of satellite navigation systemshould correspond to defense strategy and equipment capacity, and a regional navigation system coveringThe adverse conditions of constructing satellite navigation system in our country are analyzed and satellite

Keywords： system     regional augmentationsatellite navigation system     satellite constellation design     regional navigation    

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International Application of BeiDou Navigation Satellite System

Yang Changfeng, Yang Jun, Yang Junlin, Wang Jun, Li Zuohu

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 1-12 doi: 10.15302/J-SSCAE-2023.02.001

Abstract:

The international application of the BeiDou navigation satellite systeminternationalization demand for BDS application, examines the development status and trend of global navigation

Keywords： satellite navigation     BeiDou navigation satellite system     internationalization     industrial application    

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Construction, Techniques and Application of New Generation Doppler Weather Radar Network in China

Xu Xiaofeng

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 7-14

Abstract:

New generation Doppler weather radar (NEXTRAD) has become one of the most important tools for monitoringChina, some problems that should be carefully considered in construction and several new fields of radar

Keywords： Doppler weather radar     technical analysis     construction     application     future development    

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Two Ways Pseudo Range Time Synchronization for Navigation Satellite Clock

Tan Shusen

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 70-74

Abstract:

Aiming at the demand of time synchronization, the navigation satellite two-way clock pseudo rangeComparing with other navigation satellite clock synchronization ways, this way was provided with advantagesIn the first section of the paper the meaning and status of time synchronization of navigation satelliteThe error of the navigation satellite clock synchronization affects users' position and precision

Keywords： navigation satellite     pseudo range     time synchronization    

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Stepped frequency chirp signal imaging radar jamming using two-dimensional nonperiodic phase modulation Research Article

Qihua WU, Feng ZHAO, Tiehua ZHAO, Xiaobin LIU, Junjie WANG, Shunping XIAO

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 3,   Pages 433-446 doi: 10.1631/FITEE.2200298

Abstract: obtains high-resolution radar images by synthesizing multiple narrowband chirp pulses.It has been one of the most commonly used waveforms due to its lower demand for radar instant bandwidthIn this paper, we propose a method using two-dimensional against imaging radar.

Keywords： Radar jamming     Stepped frequency chirp signal     Nonperiodic phase modulation     Wideband radar    

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Current Status and Transformation of Satellite Navigation Industry Policies in China

Yang Junlin, Fang Yufei, Wang Jun, Mao Guohui

Strategic Study of CAE 2021, Volume 23, Issue 2,   Pages 138-145 doi: 10.15302/J-SSCAE-2021.02.019

Abstract:

 Satellite navigation is an emerging industry of strategic importanceTargeted and powerful industrial policies can help optimize and upgrade the satellite navigation industryand promote the scaled, industrialized, and international development of the BeiDou Navigation SatelliteThis study focuses on the transformation of China’s satellite navigation industry policies andexpounds on the role of industrial policies in the development of the satellite navigation industry.

Keywords： satellite navigation industry     industrial policy     transformation     rules and standards     BeiDou Navigation    

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Title Author Date Type Operation

Marine target detection based on Marine-Faster R-CNN for navigation radar plane position indicator images

Xiaolong CHEN, Xiaoqian MU, Jian GUAN, Ningbo LIU, Wei ZHOU,cxlcxl1209@163.com,guanjian_68@163.com

Journal Article

Guidelines for navigation-assisted spine surgery

Wei Tian, Bo Liu, Da He, Yajun Liu, Xiaoguang Han, Jingwei Zhao, Mingxing International Society for Computer Assisted Orthopaedic Surgery

Journal Article

Studies on Autonomous Navigation Techniques for Navigation Constellations

Shuai Ping,Qu Guangji,Chen Zhonggui

Journal Article

Innovation and development of BeiDou Navigation Satellite System (BDS) project management mode

Changfeng YANG

Journal Article

Glogbal Services of BeiDou Navigation Satellite System: Risk Analysis and Countermeasures

Yang Jun

Journal Article

Create Deep Navigation Channel at the Yangtze Estuary, Establish Shanghai International Navigation Centre

Yan Kai

Journal Article

Study on motion compensation method for MMW Chirp － SF radar

Wang Guili,Li Xingguo

Journal Article

Integrated Development of Satellite and Satellite-Independent Navigation Technologies from the Perspective

Guo Shuren, Jiang Kun, Li Xing, Liu Gang, Li Ping, Li Linze, Guo Siyuan

Journal Article

Service Performance Enhancement Technologies for BeiDou Navigation Satellite System along the Belt and

Zhou Jianhua, Chen Junping, Zhang Jingyu

Journal Article

Understand and construct Beidou

Xu Qifeng

Journal Article

International Application of BeiDou Navigation Satellite System

Yang Changfeng, Yang Jun, Yang Junlin, Wang Jun, Li Zuohu

Journal Article

Construction, Techniques and Application of New Generation Doppler Weather Radar Network in China

Xu Xiaofeng

Journal Article

Two Ways Pseudo Range Time Synchronization for Navigation Satellite Clock

Tan Shusen

Journal Article

Stepped frequency chirp signal imaging radar jamming using two-dimensional nonperiodic phase modulation

Qihua WU, Feng ZHAO, Tiehua ZHAO, Xiaobin LIU, Junjie WANG, Shunping XIAO

Journal Article

Current Status and Transformation of Satellite Navigation Industry Policies in China

Yang Junlin, Fang Yufei, Wang Jun, Mao Guohui

Journal Article