acoustical log
1Acoustical measurements and instrumentation — Analysis of sound and acoustics plays a role in such engineering tasks as product design, production test, machine performance, and process control. For instance, product design can require modification of sound level or noise for compliance with …
2Mel scale — Plots of pitch mels versus hertz The mel scale, named by Stevens, Volkman and Newman in 1937[1] is a perceptual scale of pitches judged by listeners to be equal in distance from one another. The reference point between this scale and normal …
3Cepstrum — Cepstral redirects here. For the software company based in Pennsylvania, see Cepstral (company). A cepstrum /ˈkɛps …
4architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
5Thiele/Small — commonly refers to a set of electromechanical parameters that define the specified low frequency performance of a loudspeaker driver. These parameters are published in specification sheets by driver manufacturers so that designers have a guide in …
6Dictabelt evidence relating to the assassination of John F. Kennedy — John F. Kennedy The Dictabelt evidence relating to the assassination of John F. Kennedy comes from a Dictabelt recording from a microphone stuck in the open position on a motorcycle police officer s radio when John F. Kennedy, 35th President of… …
7Well logging — Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · …
8Dimension fractale — Mesure de la dimension fractale de la côte de Grande Bretagne En géométrie fractale, la dimension fractale, D, est une grandeur qui a vocation à traduire la façon qu a un ensemble fractal de remplir l espace, à toutes les échelles. Dans le cas… …
9Dimensión fractal — Saltar a navegación, búsqueda En geometría de fractales, la dimensión fractal, D es una cantidad estadística que da una idea de cuán completamente parece llenar un fractal el espacio conforme se amplía el primero hacia escalas más y más finas.… …
10Fractal dimension — In fractal geometry, the fractal dimension, D , is a statistical quantity that gives an indication of how completely a fractal appears to fill space, as one zooms down to finer and finer scales. There are many specific definitions of fractal… …
