- electromechanical coupling
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электромеханическая связь
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Electromechanical coupling coefficient — is a numerical measure of the conversion efficiency between electrical and acoustic energy in piezoelectric materials.Qualitatively the electromechancial coupling coefficent, k, can be determined as:: mathcal{K}^{ 2} = frac{1}{mbox{ energy… … Wikipedia
electromechanical transducer — ▪ instrument Introduction any type of device that either converts an electrical signal into sound waves (as in a loudspeaker) or converts a sound wave into an electrical signal (as in the microphone). Many of the transducers used in… … Universalium
Mechanical filter — Figure 1. A mechanical filter made by the Kokusai Electric Company intended for selecting the narrow 2 kHz bandwidth signals in SSB radio receivers. It operates at 455 kHz, a common IF for these receivers, and is dimensioned 45×15×15 mm ( … Wikipedia
Quartz crystal microbalance — A quartz crystal microbalance (QCM) measures a mass per unit area by measuring the change in frequency of a quartz crystal resonator. The resonance is disturbed by the addition or removal of a small mass due to oxide growth/decay or film… … Wikipedia
Электромеханический фильтр — ЭМФ советского производства, предназначенный для выделения нижней боковой полосы в аппаратуре радиосвязи с промежуточной частотой 500 кГц. Ширина полосы пропускания 3,1 кГц. Механическ … Википедия
Pulseless electrical activity — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 4166 ICD10 = ICD10|I|46|9|I|30 ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = med eMedicineTopic = 2963 MeshID = Pulseless Electrical Activity (also known by the older term… … Wikipedia
коэффициент электромеханической связи — Основной параметр, показывающий, какая часть общей энергии W пьезоэлектрика преобразуется в механическую Wм или электрическую Wе Определяется по формуле . Значение b зависит от материала и моды колебаний пьезопреобразователя. Для колеблющегося по … Справочник технического переводчика
Zinc oxide — Other names Zinc white Calamine Identifiers … Wikipedia
Gallium phosphate — (GaPO4 or gallium orthophosphate) is a colorless trigonal crystal with a hardness of 5.5 on the Mohs scale. GaPO4 is isotypic with quartz, possessing very similar properties, but the silicon atoms are alternately substituted with gallium and… … Wikipedia
muscle disease — ▪ pathology Introduction any of the diseases and disorders that affect the human muscle system (muscle system, human). Diseases and disorders that result from direct abnormalities of the muscles are called primary muscle diseases; those… … Universalium
niobium processing — Introduction preparation of the ore for use in various products. Niobium (Nb) has a body centred cubic (bcc) crystal structure and a melting point of 2,468° C (4,474° F). Of the refractory metals, it has the lowest density and best… … Universalium