- source directivity
- направленность источника
Большой англо-русский и русско-английский словарь. 2001.
source directivity
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Directivity — Diagram showing directivity In electromagnetics, directivity is a figure of merit for an antenna. It measures the power density the antenna radiates in the direction of its strongest emission, versus the power density radiated by an ideal… … Wikipedia
Long range acoustic device — The long range acoustic device (LRAD) is a crowd control and hailing device developed by American Technology Corporation.According to the manufacturer s specifications, the equipment weighs 45 pounds (20 kg) and can emit sound in a 30° beam (only … Wikipedia
ГОСТ Р 53571-2009: Акустика. Шум, производимый на стрельбищах. Часть 2. Определение акустических характеристик дульной волны и звука пули путем расчета — Терминология ГОСТ Р 53571 2009: Акустика. Шум, производимый на стрельбищах. Часть 2. Определение акустических характеристик дульной волны и звука пули путем расчета оригинал документа: 3.4.3 акустическая эффективность sас (acoustical efficiency) … Словарь-справочник терминов нормативно-технической документации
Picosecond ultrasonics — When an ultrashort light pulse (duration: 100 fs, energy … Wikipedia
направленность источника — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN source directivity … Справочник технического переводчика
корректирующий коэффициент — 3.2.1 корректирующий коэффициент cS (correction factor due to source directivity): Коррекция, учитывающая влияния Фурье функции разного порядка на акустическую энергию источника. Источник … Словарь-справочник терминов нормативно-технической документации
Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios … Wikipedia
Directional sound — See sound from ultrasound for a beam of ultrasound that makes audible sound in a restricted target area without a receiving set. Directional Sound refers to the notion of using various devices to create fields of sound which spread less than most … Wikipedia
Directional Sound — See sound from ultrasound for a beam of ultrasound that makes audible sound in a restricted target area without a receiving set. Directional Sound refers to the notion of using various devices to create fields of sound which spread less than most … Wikipedia
Line array — The term line array means a speaker system that is made up of a varying number of vertically arranged units which give the effect of a single sound source with the same dimensions as the total of the unit of which is made up, the performance of… … Wikipedia
Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … Wikipedia
