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A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in both directions, therefore indicating leakage current to ground or current flowing to another powered conductor.
Sound recognition is a technology, which is based on both traditional pattern recognition theories and audio signal analysis methods. Sound recognition technologies ...
One cable can provide a continuous line of regional seismic activity monitoring, and also detect earthquakes thousands of kilometers away. [11] The use of distributed acoustic sensing has also been demonstrated to monitor hydraulic stimulation in enhanced geothermal systems (EGS) [ 12 ] as well as the injection of carbon dioxide in several ...
Surface acoustic wave sensors are a class of microelectromechanical systems (MEMS) which rely on the modulation of surface acoustic waves to sense a physical phenomenon. The sensor transduces an input electrical signal into a mechanical wave which, unlike an electrical signal, can be easily influenced by physical phenomena.
A leak noise correlator is an electronic device used for Leak Detection and as a leak locator to find leaks in pressurized water or gas lines.. Typically, microphones or acoustic sound sensors are placed in contact with the pipe, at two or more points, to record the sound emitted by a leak (e.g. a hissing noise) somewhere between the points.
Ginger-flavored beverages are barroom staples, the indispensable spicy-sweet partner to some of your favorite drinks. A Dark 'n Stormy and various Mules and Bucks wouldn’t be complete without ...
President-elect Donald Trump was sentenced Friday in his New York criminal hush money case. But he has already pledged to appeal.
SAN FRANCISCO (Reuters) - Auto and tech giants showing off their latest innovations at the CES trade show in Las Vegas next week can expect a barrage of questions on a topic that is usually not ...