Browsing School of Electrical Systems Engineering (FYP) by Author "Ahmad Ghazali, Abdul Rashid"
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Design, build and evaluate a distance measurement device using ultra-sound
Ahmad Ghazali, Abdul Rashid (Universiti Malaysia PerlisSchool of Electrical Systems Engineering, 2008-03)Ultrasound distance measuring is non-contact measuring method – radiation and reception of ultrasound waves. Ultrasound waves are mechanical acoustic waves with frequencies more than 20kHz. Normally human cannot hear ...