Abstract: Photonic millimeter-wave (mm-wave) signal generation with a wide tuning range based on self-injection locking and Pound-Drever-Hall is proposed. The phase noise of generated heterodyne ...
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Unusual gravitational wave signal sparks interest
New Delhi: The LIGO and Virgo gravitational wave observatories have detected a merger between two compact objects designated as S251112cm on 11 December 2025. Most of these mergers are between black ...
Defense Secretary Pete Hegseth’s bad week just got worse. That’s after the long-awaited release Thursday of an inspector general’s report on his sharing of highly sensitive military attack plans on ...
An inspector general report to be released on Thursday examined the defense secretary’s use of a private messaging app to discuss airstrikes in Yemen. By Robert Jimison Megan Mineiro and John Ismay ...
For nearly nine months, Trump-administration officials have defended top national-security leaders who shared information in a Signal chat about U.S. strikes in Yemen, first reported by The Atlantic’s ...
Abstract: In this paper, a single-generator aggregated model (SGAM) of a renewable power station (RPS) is derived for the quick especially simulation-based evaluation of small-signal stability. The ...
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