Search Results - "Zhang, Lundong"

Online Spatial and Temporal Calibration for Monocular Direct Visual-Inertial Odometry by Feng, Zheyu, Li, Jianwen, Zhang, Lundong, Chen, Chen

“…Owing to the nonlinearity in visual-inertial state estimation, sufficiently accurate initial states, especially the spatial and temporal parameters between IMU…”
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Detection and mitigation of GNSS spoofing via the pseudorange difference between epochs in a multicorrelator receiver by Shang, Xiangyong, Sun, Fuping, Zhang, Lundong, Cui, Jianyong, Zhang, Yaochun

“…Spoofing attacks have become an increasing threat to global navigation satellite system receivers. Existing anti-spoofing algorithms concentrate on the…”
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Two-Step Trajectory Spoofing Algorithm for Loosely Coupled GNSS/IMU and NIS Sequence Detection by Gao, Yangjun, Lv, Zhiwei, Zhang, Lundong

“…Satellite navigation spoofing has become a central issue of jamming technology research because of its serious threat and ability to conceal itself…”
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Mitigation of GNSS Time Synchronization Attacks in a Multicorrelator Receiver by Shang, Xiangyong, Sun, Fuping, Liu, Bodong, Zhang, Lundong, Zhu, Xinhui

“…Global navigation satellite systems (GNSSs) are widely used in various fields to provide high-precision timing. However, their low signal power and open signal…”
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Alignment calibration of IMU and Doppler sensors for precision INS/DVL integrated navigation by Li, Wanli, Zhang, Lundong, Sun, Fuping, Yang, Li, Chen, Mingjian, Li, Ying

“…Alignment calibration of Inertial Measurement Unit (IMU) and Doppler sensors is an essential task for precision Inertial Navigation System/Doppler Velocity Log…”
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Asynchronous Lift-Off Spoofing on Satellite Navigation Receivers in the Signal Tracking Stage by Gao, Yangjun, Lv, Zhiwei, Zhang, Lundong

“…As Global Navigation Satellite System (GNSS) spoofing techniques are highly stealthy and pose a tremendous risk to targets using GNSS technology, studies on…”
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GNSS Spoofing Mitigation With a Multicorrelator Estimator in the Tightly Coupled INS/GNSS Integration by Shang, Xiangyong, Sun, Fuping, Liu, Bodong, Zhang, Lundong, Cui, Jianyong

“…In recent years, various new portable global navigation satellite system (GNSS) spoofers have emerged that have become an important threat to the integrated…”
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Inertial aided BDS triple-frequency integer ambiguity rounding method by Xiao, Kai, Sun, Fuping, He, Maihang, Zhang, Lundong, Zhu, Xinhui

“…The integer ambiguity resolution (AR) of carrier phase is significant for Global Navigation Satellite System (GNSS) precise positioning. However, in kinematic…”
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Adaptive Robust Filtering Algorithm for BDS Medium and Long Baseline Three Carrier Ambiguity Resolution by Gao Yangjun, Lv Zhiwei, Zhou Pengjin, Jia Zhengyang, Zhang Lundong, Cong Dianwei

“…For classical TCAR(three carrier ambiguity resolution) algorithm is affected by ionospheric delay and measurement noise, it is difficult to reliably fix…”
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Tight integration of ambiguity-fixed PPP and INS: model description and initial results by Liu, Shuai, Sun, Fuping, Zhang, Lundong, Li, Wanli, Zhu, Xinhui

“…The traditional PPP/INS system is still not used as widely as the DGNSS/INS system in precise applications, although no local reference stations are required…”
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An LMI-based controller design of uncertain nonlinear systems using Takagi-Sugeno fuzzy region model by Shengjian Bai, Xinsheng Huang, Wanying Xu, Lundong Zhang

“…Robust control of a class of uncertain Takagi-Sugeno (T-S) fuzzy system is investigated in the paper by using fuzzy region concept. The general uncertain T-S…”
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An error analysis method for attitude estimation system based on epipolar geometry by Luo, Shilin, Xu, Cheng, Zhang, Lundong, Dong, Jing, Fu, Wenxing, Han, Songlai

“…This paper proposes an error analysis method based on epipolar geometry which is analyzed for improving the accuracy of attitude estimation. The influence of…”
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