polarity inversion

См. также в других словарях:

• 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

• Chemical polarity — Polar molecule and Nonpolar redirect here. For other uses see Polar (disambiguation). A water molecule, a commonly used example of polarity. The two charges are present with a negative charge in the middle (red shade), and a positive charge at… …   Wikipedia

• Umpolung — or polarity inversion in organic chemistry is the chemical modification of a functional group with the aim of the reversal of polarity of that group [cite journal | author = Seebach D. | title = Methods of Reactivity Umpolung | journal =… …   Wikipedia

• Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …   Wikipedia

• Subwoofer — A subwoofer is a woofer, or a complete loudspeaker dedicated to the reproduction of bass audio frequencies, from perhaps 150 Hz down as far as 20 Hz, or in rare cases lower. Also known as subs , these are used to augment the low frequency… …   Wikipedia

• изменение полярности — инверсия полярности — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Параллельные тексты EN RU The P63x is protected against damage resulting from polarity… …   Справочник технического переводчика

• opposition — I (New American Roget s College Thesaurus) Act of opposing Nouns 1. (antagonism) opposition, antagonism, antipathy; enmity, hate; repugnance, oppugnancy, oppugnation, impugnation; contravention, contradiction; counteraction; counterplot;… …   English dictionary for students

• PIL — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom.   Sigles d’une seule lettre   Sigles de deux lettres > Sigles de trois lettres   Sigles de quatre lettres …   Wikipédia en Français

• Dieter Seebach — Born 31 October 1937(1937 10 31) Karlsruhe, Germany Nationality German …   Wikipedia

• Miller theorem — refers to the process of creating equivalent circuits. It asserts that a floating impedance element supplied by two voltage sources connected in series may be split into two grounded elements with corresponding impedances. There is also a dual… …   Wikipedia

• Modified AMI code — Modified AMI codes are Alternate Mark Inversion (AMI) line codes in which bipolar violations may be deliberately inserted to maintain system synchronization. There are several types of modified AMI codes, used in various T carrier and E carrier… …   Wikipedia