Arctic seas are getting louder as ice melts, posing risks: Study shows how to better measure noise

The Arctic is experiencing a steady rise in human-generated underwater noise as melting ice and increasing activity open the ...
IEEE

Line-by-Line Comb Noise Measurements Using an Electro-Optic Comb Local Oscillator

Abstract: We present line-by-line phase noise characterisation for a 2.5 GHz repetition-rate frequency comb, achieved by heterodyne beating with a 25 GHz repetition-rate, low noise optoelectronic comb ...
IEEE

An LED Strobe Scanning System for Enhanced Measurement Accuracy, Flexibility, and Noise Reduction

Abstract: Conventional laser triangulation measurement (LTM) typically employs a line laser and a precision displacement stage to achieve 3-D measurements. However, as a coherent light source, the ...

Outdoor music venue in Colorado sued over excessive noise

Eight residents filed a lawsuit on Wednesday, arguing the Ford Amphitheater violates the state’s Noise Abatement Act, which ...