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 ...
Abstract: The increasing complexity of Analog/Mixed-Signal (AMS) schematics has been posing significant challenges in structure recognition, particularly in the intellectual property (IP) industry, ...
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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 ...
One of NASA’s workhorse spacecraft in orbit around Mars has fallen silent, leaving agency personnel scrambling to troubleshoot the issue. The Mars Atmosphere and Volatile Evolution (MAVEN) mission ...
Have gravitational waves provided the first hint of primordial black holes born during the Big Bang?
"If this turns out to be real, then it’s enormous." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists may have "heard" the first ...
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