Articles with "tightly coupled" as a keyword



Design of a planar microstrip antenna with wide bandwidth and omnidirectional radiation patterns using tightly coupled structures

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34179

Abstract: A wideband planar microstrip antenna with good horizontally polarized omnidirectional radiation performance is presented. Using tightly coupled structures, six planar dipole elements are deployed in a circular pattern, and radiation is synthesized into a horizontal… read more here.

Keywords: tightly coupled; planar microstrip; radiation; using tightly ... See more keywords

Ultrawideband Scattering Reduction of Tightly Coupled Dipole Array With Wideband Absorber

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Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70450

Abstract: In this letter, a low scattering ultrawideband tightly coupled dipole array (TCDA) based on the wideband absorber is proposed in this paper. The absorber consists of I‐shaped metal strips loaded with resistors. Transverse metal strips… read more here.

Keywords: tightly coupled; wideband absorber; coupled dipole; array ... See more keywords

Low-cost IMU and odometer tightly coupled integration with Robust Kalman filter for underground 3-D pipeline mapping

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Published in 2019 at "Measurement"

DOI: 10.1016/j.measurement.2019.01.068

Abstract: Abstract A low-cost IMU and odometer integration system is developed in this paper for underground pipeline mapping. A tightly coupled integration between IMU and odometer is implemented to decrease the error caused by the odometer… read more here.

Keywords: robust kalman; integration; kalman filter; coupled integration ... See more keywords

Tightly coupled SLAM system for indoor complex scenes

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Published in 2025 at "Robotica"

DOI: 10.1017/s0263574725000463

Abstract: Abstract Cartographer is an algorithm that was open sourced by Google in 2016 and adapted to multiple sensors. To address issues of the original algorithm, such as the negative impact of outlier point cloud on… read more here.

Keywords: coupled slam; tightly coupled; point cloud; system indoor ... See more keywords

An IMU/UWB tightly coupled navigation algorithm to improve positioning accuracy under large-scale NLOS conditions

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Published in 2025 at "Measurement Science and Technology"

DOI: 10.1088/1361-6501/adbfb3

Abstract: Low-cost, high-precision indoor positioning systems are becoming crucial in some applications such as smart manufacturing, logistics and warehousing, pedestrian tracking and embodied artificial intelligence. Ultrawideband (UWB)-based ranging techniques offer advantages like short pulse intervals and… read more here.

Keywords: navigation; tightly coupled; algorithm; accuracy ... See more keywords

Laser-inertial tightly coupled SLAM system for indoor degraded environments

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Published in 2024 at "Sensor Review"

DOI: 10.1108/sr-07-2024-0615

Abstract: Purpose To address the issues of low localization and mapping accuracy, as well as map ghosting and drift, in indoor degraded environments using light detection and ranging-simultaneous localization and mapping (LiDAR SLAM), a real-time localization… read more here.

Keywords: odometry; graph optimization; system; tightly coupled ... See more keywords

An Efficiency-Improved Tightly Coupled Dipole Reflectarray Antenna Using Variant-Coupling-Capacitance Method

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.2973574

Abstract: In this paper, a tightly coupled dipole reflectarray antenna as well as a variant-coupling-capacitance method to improve the antenna aperture efficiency is presented. Tightly coupled elements and true-time-delay lines are employed in the design of… read more here.

Keywords: method; coupling capacitance; reflectarray; tightly coupled ... See more keywords

A Model-Based Tightly Coupled Architecture for Low-Cost Unmanned Aerial Vehicles for Real-Time Applications

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Published in 2025 at "IEEE Access"

DOI: 10.1109/access.2020.3038530

Abstract: This paper investigates the navigation performance of a vehicle dynamic model-based (VDM-based) tightly coupled architecture for a fixed-wing Unmanned Aerial Vehicle (UAV) during a global navigation satellite system (GNSS) outage for real-time applications. Unlike an… read more here.

Keywords: based tightly; navigation; tightly coupled; model based ... See more keywords

A Dual Slant-Polarized Cylindrical Array of Tightly Coupled Dipole Antennas

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3159791

Abstract: This study proposes a design of a low-profile ultra wide-band cylindrical antenna array with plus/minus 45-degree dual polarization. The proposed compact cylindrical antenna array produces an omnidirectional radiation pattern in the azimuth plane to cover… read more here.

Keywords: band; slant polarized; dipole antennas; cylindrical array ... See more keywords

A 3D LiDAR-Inertial Tightly-Coupled SLAM for Mobile Robots on Indoor Environment

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Published in 2024 at "IEEE Access"

DOI: 10.1109/access.2024.3368863

Abstract: Indoor environments are considered challenging due to their perceived degradation. This is attributed to both the homogeneity of indoor scene structures and the scarcity of feature points, particularly in long corridor environments. Additionally, low-resolution 3D… read more here.

Keywords: coupled slam; method; slam; tightly coupled ... See more keywords

Tightly Coupled Integration of Pedestrian Dead Reckoning and Bluetooth Based on Filter and Optimizer

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Published in 2023 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3228790

Abstract: As a critical topic of Internet of Things applications, smartphone-based indoor navigation has a rapidly growing need in various applications. However, indoor navigation technology is unreliable when facing a challenge in complex indoor environments. This… read more here.

Keywords: dead reckoning; coupled integration; pedestrian dead; tightly coupled ... See more keywords