A cavity-type RESONATOR so ... only at a particular FREQUENCY, giving off little energy to the outer medium, and therefore resonating for a considerable length of time. It was developed by the German ...
When a basketball smacks against the ground, it makes sound at a certain frequency and tires do ... Honda employed the concept of Helmholtz resonance, the phenomenon that generates sound when ...
Finding a way to attenuate especially the low-frequency noise of road traffic ... The chosen solution in his thesis are Helmholtz resonators, which are a kind of acoustic spring.
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