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   Articles with "risley prism" as a keyword



Calibration method of Risley-prism imaging System

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recommendations! Published in 2020 at "Optics Communications"

DOI: 10.1016/j.optcom.2019.124975

Abstract: Abstract In this paper, a Risley-prism imaging system is proposed, which incorporates a camera and two coaxial Risley prisms to capture various scenes, namely images captured by equivalent cameras. An equivalent camera calibration method is… read more here.

Keywords: system; method; calibration; imaging system ... See more keywords

A Novel Cycloidal Scanning LiDAR Sensor Using Risley Prism and Optical Orthogonal Frequency-Division Multiple Access for Aerial Applications

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recommendations! Published in 2024 at "IEEE Access"

DOI: 10.1109/access.2024.3383810

Abstract: This study proposes a novel light detection and ranging (LiDAR) sensor. The sensor integrates a variable field-of-view (FoV) function by utilizing optical orthogonal frequency-division multiple access (OOFDMA) to generate laser pulse streams and a Risley… read more here.

Keywords: access; lidar sensor; risley prism; sensor ... See more keywords

A Lower Height-to-Diameter Ratio Risley Prism Beam-Scanning Antenna Based on Additional Phase Compensation Method

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recommendations! Published in 2025 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2025.3588488

Abstract: With the increasing demand for high integration in satellite communications, the low-profile performance of beam-scanning antennas (BSAs) has become a key factor limiting their applications. To further reduce the profile, a novel compact circularly polarized… read more here.

Keywords: ratio; risley prism; beam; beam scanning ... See more keywords

Robust Risley prism control based on disturbance observer for system line-of-sight stabilization.

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recommendations! Published in 2022 at "Applied optics"

DOI: 10.1364/ao.454312

Abstract: In this paper, a robust control based on disturbance observer is proposed to improve the tracking accuracy of the Risley prism system (RPS). Applying the flexible thin-wall ring mechanism in the RPS causes a series… read more here.

Keywords: disturbance; based disturbance; control based; control ... See more keywords

Risley-prism-based tracking model for fast locating a target using imaging feedback.

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recommendations! Published in 2020 at "Optics express"

DOI: 10.1364/oe.384694

Abstract: Fast imaging tracking technology exhibits attractive application prospects in the emerging fields of target tracking and recognition. Smart and compact tracking model with fast and flexible tracking strategy can play a decisive role in improving… read more here.

Keywords: tracking model; risley prism; model fast; target ... See more keywords