Abstract: A novel extrinsic Fabry–Perot interferometric (EFPI) ultrasonic sensor is developed that can detect ultrasonic signals of partial discharge (PD) in high-voltage electrical equipment under ...

Motorists want authorities to account for the billions they collect from Chingeni and Kalinyeke tollgates meant for the M1 maintenance, which remains in poor condition. Drivers we talked to say the ...

Abstract: Photoacoustic imaging (PAI) is a new and rapidly growing hybrid biomedical imaging modality that combines the virtues of both optical and ultrasonic (US) imaging. The nature of the ...