mechanical noise
21Mechanical insulation — Thermal insulation and acoustic insulation are installed on piping and mechanical systems to achieve one or more of the following; energy savings, personnel protection, process control, condensation control, noise reduction and reduction of… …
22noise — I. noun Etymology: Middle English, from Anglo French, disturbance, noise, from Latin nausea nausea Date: 13th century 1. loud, confused, or senseless shouting or outcry 2. a. sound; especially one that lacks agreeable musical quality or is… …
23Aircraft noise — is defined as sound produced by any aircraft or its components, during various phases of a flight, on the ground while parked such as auxiliary power units, while taxiing, on run up from propeller and jet exhaust, during take off, underneath and… …
24Active noise control — (ANC) (also known as noise cancellation, active noise reduction (ANR) or antinoise) is a method for reducing unwanted sound. Contents 1 Explanation 2 Applications 3 See also 4 …
25Background noise — In acoustics and specifically in acoustical engineering, background noise is any sound other than the sound being monitored. Background noise is a form of noise pollution or interference. Background noise is an important concept in setting noise… …
26Belt (mechanical) — For other belts, see Belt (disambiguation). A pair of vee belts …
27Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …
28Differential (mechanical device) — For other uses, see Differential. A cutaway view of an automotive final drive unit which contains the differential Input …
29Dynamic mechanical analysis — Viscoanalyseur Pour les articles homonymes, voir AMD et DMA. Un viscoanalyseur ou analyseur mécanique dynamique (AMD) fait partie de la famille des appareils de DMA ou DMTA (en anglais Dynamic Mechanical Thermal Analysis). Cet instrument… …
30Hardware random number generator — This SSL Accelerator computer card uses a hardware random number generator to generate cryptographic keys to encrypt data sent over computer networks. In computing, a hardware random number generator is an apparatus that generates random numbers… …
