Monday, June 08, 2015

Patent US7620188 - Cylinder responsive vibratory noise control apparatus - Google Patents

Patent US7620188 - Cylinder responsive vibratory noise control apparatus - Google Patents: " The 4-cycle 6-cylinder internal combustion engine therefore produces a lot of vibratory noise that is referred to as a rotational 1.5th-order component."



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Saturday, May 30, 2015

Acoustic and vibrations

Acoustic and vibrations: "The far field is divided into the free field and the reverberant field.

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