Unleash the beast with the BMW M5 Competition upgraded with the AWE exhaust system! Experience the transformation of the 2020 ...
Abstract: This paper analyzes the measured broadband signal echoes modulated by digital coding metasurfaces (DCMs) and concludes that the non-ideal broadband modulation results are related to the ...
Abstract: A parametric array loudspeaker (PAL) can achieve sharp directivity in the audible band by using ultrasounds. Ultrasounds are emitted intensely from a PAL, and the difference frequency ...
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