Search Results - "Qin, Honglei"

A Joint Method Based on Time-Frequency Distribution to Detect Time-Varying Interferences for GNSS Receivers with a Single Antenna by Lv, Qingshui, Qin, Honglei

“…In this paper, a joint method combining Hough transform and reassigned smoothed pseudo Wigner-Ville distribution (RSPWVD) is presented to detect time-varying…”
Get full text

Non-Cooperative LEO Satellite Orbit Determination Using Single Station for Space-Based Opportunistic Positioning by Deng, Ruofan, Qin, Honglei, Zhang, Yu

“…Space-based opportunistic positioning is a crucial component of resilient positioning, navigation, and timing (PNT) systems, and it requires the acquisition of…”
Get full text

LEO Doppler-aided GNSS position estimation by Jiang, Muyuan, Qin, Honglei, Zhao, Chao, Sun, Guiyu

“…Positioning systems based on the global navigation satellite system (GNSS) face significant problems in areas with severe obscuration or GNSS interference,…”
Get full text

A Practical Floor Localization Algorithm Based on Multifeature Motion Mode Recognition Utilizing FM Radio Signals and Inertial Sensors by Cong, Li, Tian, Jingnan, Qin, Honglei

“…Floor localization plays a crucial role in multi-storey indoor positioning systems. Wi-Fi enabled system and barometer-based system are two well-known systems…”
Get full text

C/D box small nucleolar RNA SNORD104 promotes endometrial cancer by regulating the 2'-O-methylation of PARP1 by Lu, Bingfeng, Chen, Xi, Liu, Xin, Chen, Jingwen, Qin, Honglei, Chen, Shuo, Zhao, Yang

“…Small nucleolar RNAs (snoRNAs) are dysregulated in many cancers, although their exact role in tumor genesis and progression remains unclear. The expression…”
Get full text

A Design of Differential-Low Earth Orbit Opportunistically Enhanced GNSS (D-LoeGNSS) Navigation Framework by Jiang, Muyuan, Qin, Honglei, Su, Yu, Li, Fangchi, Mao, Jianwu

“…Considering the problem of GNSS service interruption caused by the insufficient number of available satellites in complex environments, Low Earth Orbit (LEO)…”
Get full text

New Method for Positioning Using IRIDIUM Satellite Signals of Opportunity by Tan, Zizhong, Qin, Honglei, Cong, Li, Zhao, Chao

“…The global navigation satellite system (GNSS) system has a number of disadvantages such as weak signal strength and high cost, while signals of opportunity…”
Get full text

Ambiguity of Residual Constraint-Based Precise Point Positioning with Partial Ambiguity Resolution under No Real-Time Network Corrections Using Real Global Positioning System (GPS) Data by Qin, Honglei, Liu, Peng, Cong, Li, Xue, Xia

“…Although precise point positioning (PPP) is a well-established and promising technique with the use of precise satellite orbit and clock products, it costs a…”
Get full text

The Unified Form of Code Biases and Positioning Performance Analysis in Global Positioning System (GPS)/BeiDou Navigation Satellite System (BDS) Precise Point Positioning Using Real Triple-Frequency Data by Liu, Peng, Qin, Honglei, Cong, Li

“…Multi- system and multi-frequency are two key factors that determine the performance of precise point positioning. Both multi-frequency and multi-system lead…”
Get full text

An Environmentally-Adaptive Positioning Method Based on Integration of GPS/DTMB/FM by Cong, Li, Wang, Haidong, Qin, Honglei, Liu, Luqi

“…The Global Positioning System (GPS) yields good precision and availability in open outdoor environment. However, the errors of GPS may suffer degradation in…”
Get full text

An Improved Method Based on Time-Frequency Distribution to Detect Time-Varying Interference for GNSS Receivers With Single Antenna by Lv, Qingshui, Qin, Honglei

“…This paper presents a regroup method based on reassigned smoothed pseudo Wigner-Ville distribution (RSPWVD) to detect time-varying interference for global…”
Get full text

A performance improvement method for low-cost land vehicle GPS/MEMS-INS attitude determination by Cong, Li, Li, Ercui, Qin, Honglei, Ling, Keck Voon, Xue, Rui

“…Global positioning system (GPS) technology is well suited for attitude determination. However, in land vehicle application, low-cost single frequency GPS…”
Get full text

Current status of high-risk HPV infection and correlation with multiple infections in cervical lesions in Western Guangzhou by Li, Jianqi, Lai, He, Qin, Honglei, Zhou, Dongmei, Zhao, Yang, Sheng, Xiujie

“…This study aims to investigate the current status of multiple HPV infection and its association with cervical lesions in the western region of Guangzhou. A…”
Get full text

Autonomous Concrete Crack Semantic Segmentation Using Deep Fully Convolutional Encoder–Decoder Network in Concrete Structures Inspection by Pu, Rundong, Ren, Guoqian, Li, Haijiang, Jiang, Wei, Zhang, Jisong, Qin, Honglei

“…Structure health inspection is the way to ensure that structures stay in optimum condition. Traditional inspection work has many disadvantages in dealing with…”
Get full text

A Real-Time Interference Monitoring Technique for GNSS Based on a Twin Support Vector Machine Method by Li, Wutao, Huang, Zhigang, Lang, Rongling, Qin, Honglei, Zhou, Kai, Cao, Yongbin

“…Interferences can severely degrade the performance of Global Navigation Satellite System (GNSS) receivers. As the first step of GNSS any anti-interference…”
Get full text

Differential Kalman Filter Design for GNSS Open Loop Tracking by Jin, Tian, Yuan, Heliang, Ling, Keck-Voon, Qin, Honglei, Kang, Jianrong

“…Global navigation satellite system (GNSS) positioning in an urban environment is in need for accurate, reliable and robust positioning. Unfortunately,…”
Get full text

The Feasible Combining Observation Models and Equivalence in Dual-Frequency Precise Point Positioning by Liu, Peng, Qin, Honglei, Cong, Li

“…Compared with differential positioning, the measurement noises of observation models in precise point positioning are larger; a good observation model can…”
Get full text

A Robust Fusion Methodology for MEMS-based Land Vehicle Navigation in GNSS-Challenged Environments by Yue, Song, Cong, Li, Qin, Honglei, Li, Bin, Yao, Jintao

“…How to effectively blend global navigation satellite system (GNSS) and inertial navigation system (INS) data to achieve an optimal solution in harsh…”
Get full text

Triple-Frequency Combining Observation Models and Performance in Precise Point Positioning Using Real BDS Data by Qin, Honglei, Liu, Peng, Cong, Li, Ji, Wanqing

“…Although precise point positioning (PPP) is a well-established and promising technique with the use of precise satellite orbit and clock products, it requires…”
Get full text

Frequency-Locked Detector Threshold Setting Criteria Based on Mean-Time-To-Lose-Lock (MTLL) for GPS Receivers by Jin, Tian, Yuan, Heliang, Zhao, Na, Qin, Honglei, Sun, Kewen, Ji, Yuanfa

“…Frequency-locked detector (FLD) has been widely utilized in tracking loops of Global Positioning System (GPS) receivers to indicate their locking status. The…”
Get full text