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   Articles with "ahead angle" as a keyword



On point-ahead angle control strategies for TianQin

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recommendations! Published in 2024 at "Classical and Quantum Gravity"

DOI: 10.1088/1361-6382/ad42fb

Abstract: Pointing-related displacement noises are crucial in space-based gravitational wave detectors, where point-ahead angle control of transmitted laser beams may contribute significantly. For TianQin that features a geocentric concept, the circular high orbit design with a… read more here.

Keywords: angle control; plane; point ahead; ahead angle ... See more keywords

Adaptive extended Kalman filter and point ahead angle prediction in the detection of gravitational waves in space

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recommendations! Published in 2024 at "Physical Review D"

DOI: 10.1103/physrevd.110.102007

Abstract: In the detection of gravitational waves in space, during the science phase of the mission, the point ahead angle mechanism (PAAM) serves to steer a laser beam to compensate for the angle generated by the… read more here.

Keywords: waves space; gravitational waves; point ahead; ahead angle ... See more keywords

Point-Ahead Angle and Coalignment Error Measurement Method for Free-Space Optical Communication Systems

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recommendations! Published in 2017 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2017.2718578

Abstract: Microradian tracking and pointing errors significantly affect the link performance and the bit error probability in free-space optical communication. This paper proposes the measurement method for point-ahead angle and coalignment error, which can significantly mitigate… read more here.

Keywords: error; point ahead; coalignment error; angle coalignment ... See more keywords

Measurement of Optical Path Difference of Point-Ahead Angle Mechanism with a Multi-Layer Thermal Insulated Equal-Arm Heterodyne Interferometer

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recommendations! Published in 2025 at "Applied Sciences"

DOI: 10.3390/app15094863

Abstract: In the detection of gravitational waves in space, during the science phase of the mission, the point-ahead angle mechanism (PAAM) serves to steer a laser beam to compensate for the angle generated by the relative… read more here.

Keywords: arm heterodyne; interferometer; angle mechanism; point ahead ... See more keywords