- frequency inversion
1. преобразование частоты
2. инверсия спектра сигнала (относительно средней частоты)
Большой англо-русский и русско-английский словарь. 2001.
frequency inversion
Смотреть что такое "frequency inversion" в других словарях:
Inversion (meteorology) — In meteorology, an inversion is a deviation from the normal change of an atmospheric property with altitude. It almost always refers to a temperature inversion, i.e., an increase in temperature with height, or to the layer within which such an… … Wikipedia
Frequency-resolved optical gating — In optics, frequency resolved optical gating (FROG) is a derivative of autocorrelation, but is far superior in its ability to measure ultrafast optical pulse shapes. Further, it can determine the phase of the pulse.In the most common… … Wikipedia
Population inversion — In physics, specifically statistical mechanics, a population inversion occurs when a system (such as a group of atoms or molecules) exists in state with more members in an excited state than in lower energy states. The concept is of fundamental… … Wikipedia
Phase inversion — A phase inversion is the introduction of a phase difference of 180° into a waveform. As such, it is more properly called a polarity inversion, as phase can differ relative to frequency but polarity is absolute.For example, in a push pull power… … Wikipedia
Voice inversion — scrambling is an analog method of obscuring the content of a transmission. It sometimes used in public service radio, automobile racing, cordless telephones and the Family Radio Service. Without a descrambler, the transmission makes the speaker… … Wikipedia
Amateur radio frequency allocations — Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the ITU oversees how much radio spectrum is set aside for amateur radio transmissions. Radio amateurs use a variety of transmission modes, including… … Wikipedia
Coded mark inversion — CMI line coding In telecommunication, coded mark inversion (CMI) is a non return to zero (NRZ) line code. It encodes zero bits as a half bit time of zero followed by a half bit time of one, and while one bits are encoded as a full bit time of a… … Wikipedia
Very-Low-Frequency-Verfahren — Das Very Low Frequency Verfahren (VLF Verfahren) ist ein passives elektromagnetisches Verfahren in der Geophysik. Unter Ausnutzung der elektromagnetischen Induktion lassen sich Rückschlüsse auf die Leitfähigkeit des Untergrundes ziehen.… … Deutsch Wikipedia
Very Low Frequency (Geophysik) — Das Very Low Frequency Verfahren (VLF Verfahren) ist ein passives elektromagnetisches Verfahren in der Geophysik. Unter Ausnutzung der elektromagnetischen Induktion lassen sich Rückschlüsse auf die Leitfähigkeit des Untergrundes ziehen.… … Deutsch Wikipedia
Phase inversion — A&V The condition whereby the output of a circuit produces a wave of the same shape and frequency but 180 degrees out of phase with the input … Audio and video glossary
сдвиг частоты — смещение частоты [IEV number 151 13 70] EN frequency translation frequency changing frequency conversion transfer of all the spectral components of a signal from one position in the frequency spectrum to another, in such a way that the frequency… … Справочник технического переводчика
