PROC SPECTRA prints two test statistics for white noise when the WHITETEST option is specified: Fisher's Kappa (Davis 1941, Fuller 1976) and Bartlett's Kolmogorov-Smirnov statistic (Bartlett 1966, ...

Three large pressure-vessel silencers are placed after the flow regulator to remove any noise from the compressor and the flow regulator, before the flow enters the anechoic chamber. The jet test-rig ...

As part of KitGuru's full review of the AMD R9 NANO editor Luke Hill has a check of the noise emissions and any related coil whine. Be sure to read the full indepth analysis on KitGuru here: <a href=" ...

This paper describes the measurement of additive/residual phase noise of power amplifiers or multipliers for automotive radar sensors at 80 GHz using the interferometric measurement approach in ...

We use a specialized audio-measurement system with a simulated ear to test how much noise the headphones can reduce. A good design should fit most ear shapes and head sizes, so we have a variety ...

Mashable writers and editors perform standardized tests to evaluate headphones and earbuds for our hands-on coverage. Here's ...

These updates are accessible via the NSWCDD Range and Weapons Testing toll-free hotline at (877) 845-5656, or through their website, which provides detailed information on the Potomac River Test ...

They can eliminate cabin noise on flights and silence the squeals of the track on busy commuter train carriages. They’re equally transformative in noisy offices, bustling gyms, or for anyone ...