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Graphene-Tuned, Tightly Coupled Hybrid Plasmonic Meta-Atoms [PDF]
NanomaterialsTightly coupled meta-atoms (TCMAs) are densely packed metamaterials with unnatural refractive indexes. Actively modulated TCMAs with tunable optical properties have found many applications in beam shaping, holography, and enhanced light–matter ...
Kai Chen +6 more
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Remote Sensing, 2022 Vehicular positioning in urban environments has become a research hotspot in recent years, and global navigation satellite system/inertial navigation system (GNSS/INS) tightly coupled positioning is a commonly used method. With the broadcast of BDS-3 and
Chun Ma +5 more
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A Tightly Coupled LiDAR-Inertial SLAM for Perceptually Degraded Scenes [PDF]
Sensors, 2022 Realizing robust six degrees of freedom (6DOF) state estimation and high-performance simultaneous localization and mapping (SLAM) for perceptually degraded scenes (such as underground tunnels, corridors, and roadways) is a challenge in robotics. To solve
Lin Yang +4 more
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Aerospace, 2021 According to the trajectory characteristics of hypersonic boost-glide vehicles, a tightly coupled integrated navigation algorithm for hypersonic vehicles based on the launch-centered Earth-fixed (LCEF) frame is proposed.
Kai Chen +3 more
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Analysis of tightly-coupled dipole phased array antennas with metasurface superstrate [PDF]
Scientific Reports, 2023 Tightly coupled dipole arrays, including connected arrays, and capacitively coupled arrays, are one of the best solutions for wideband phased array antenna designs.
Seyed Mahdi Hosseini, Zahra Atlasbaf
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Shaped-Based Tightly Coupled IMU/Camera Object-Level SLAM [PDF]
Sensors, 2023 Object-level simultaneous localization and mapping (SLAM) has gained popularity in recent years since it can provide a means for intelligent robot-to-environment interactions.
Ilyar Asl Sabbaghian Hokmabadi +2 more
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An Improved UWB/IMU Tightly Coupled Positioning Algorithm Study [PDF]
Sensors, 2023 The combination of ultra-wide band (UWB) and inertial measurement unit (IMU) positioning is subject to random errors and non-line-of-sight errors, and in this paper, an improved positioning strategy is proposed to address this problem. The Kalman filter (
Airu Zou +3 more
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Tightly Coupled LiDAR-Inertial Odometry and Mapping for Underground Environments [PDF]
Sensors, 2023 The demand for autonomous exploration and mapping of underground environments has significantly increased in recent years. However, accurately localizing and mapping robots in subterranean settings presents notable challenges.
Jianhong Chen, Hongwei Wang, Shan Yang
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Multi-GNSS Precise Point Positioning with UWB Tightly Coupled Integration [PDF]
Sensors, 2022 Global Navigation Satellite Systems (GNSSs) can provide high-precision positioning services, which can be applied to fields including navigation and positioning, autonomous driving, unmanned aerial vehicles and so on.
Zhenchuan Huang +3 more
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SINS/BDS tightly coupled integrated navigation algorithm for hypersonic vehicle [PDF]
Scientific Reports, 2022 A tightly coupled integrated navigation system (TCINS) for hypersonic vehicles is proposed when the satellite signals are disturbed. Firstly, the architecture of the integrated navigation system for the hypersonic vehicle is introduced.
Kai Chen +3 more
doaj +2 more sources