- secondary frequency
1. частота вторичной цепи (линейного асинхронного двигателя)
2. запасная частота
Большой англо-русский и русско-английский словарь. 2001.
secondary frequency
Смотреть что такое "secondary frequency" в других словарях:
Secondary frequency standard — In telecommunications, a secondary frequency standard is a frequency standard that does not have inherent accuracy, and therefore must be calibrated against a primary frequency standard. Secondary standards include crystal oscillators and… … Wikipedia
secondary frequency standard — antrinis dažnio standartas statusas T sritis automatika atitikmenys: angl. secondary frequency standard vok. Sekundärfrequenzstandard, m rus. вторичный стандарт частоты, m pranc. étalon secondaire de fréquence, m … Automatikos terminų žodynas
secondary frequency standard — antrinis dažnio etalonas statusas T sritis radioelektronika atitikmenys: angl. secondary frequency standard vok. Sekundärfrequenznormal, n rus. вторичный эталон частоты, m pranc. étalon secondaire de fréquence, m … Radioelektronikos terminų žodynas
Secondary surveillance radar — SSR antenna of Deutsche Flugsicherung at Neubrandenburg, in Mecklenburg/Western Pomerania Secondary surveillance radar (SSR)[1] is a radar system used in air traffic control (ATC), that not only detects an … Wikipedia
Frequency standard — A frequency standard is a stable oscillator used for frequency calibration or reference. A frequency standard generates a fundamental frequency with a high degree of accuracy and precision. Harmonics of this fundamental frequency are used to… … Wikipedia
Secondary source — In library and information science, historiography and other areas of scholarship, a secondary source [ [http://www.lib.umd.edu/guides/primary sources.html Primary, Secondary and Tertiary Sources, UM Libraries] ] [… … Wikipedia
Secondary characters in Calvin and Hobbes — Bill Watterson s comic strip Calvin and Hobbes features a wide range of secondary characters. These range from his fellow students at school to monsters and aliens from Calvin s vivid imagination. Contents 1 Calvin s family 1.1 Calvin s father… … Wikipedia
Secondary neoplasm — A secondary neoplasm refers to any of a class of cancerous tumors that are either metastatic offshoots of a primary tumor, or apparently unrelated tumors that increase in frequency following certain cancer treatments, including chemotherapy or… … Wikipedia
guard frequency — An emergency VHF/UHF (very high frequency/ultrahigh frequency) channel monitored as a secondary frequency by all air and ground stations in a geographical area. The guard frequencies 121.5, 243 and 406 MHz are reserved around the world and are… … Aviation dictionary
Low-frequency oscillation — The term low frequency oscillation (LFO) is an audio signal usually below 20 Hz which creates a pulsating rhythm rather than an audible tone. LFO predominantly refers to an audio technique specifically used in the production of electronic music.… … Wikipedia
Aircraft emergency frequency — The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft radio band reserved for emergency communications for aircraft in distress. The frequencies are 121.5 MHz for civilian, also known as International Air… … Wikipedia
