Перевод и анализ слов искусственным интеллектом ChatGPT
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- этимология
Что (кто) такое pulsating$65451$ - определение
![Composite optical/X-ray image of the [[Crab Nebula]], showing [[synchrotron emission]] in the surrounding [[pulsar wind nebula]], powered by injection of magnetic fields and particles from the central pulsar.](https://commons.wikimedia.org/wiki/Special:FilePath/Chandra-crab.jpg?width=200 "Composite optical/X-ray image of the [[Crab Nebula]], showing [[synchrotron emission]] in the surrounding [[pulsar wind nebula]], powered by injection of magnetic fields and particles from the central pulsar.")
![Jocelyn Bell]] first recognised evidence of a pulsar, exhibited at [[Cambridge University Library]]](https://commons.wikimedia.org/wiki/Special:FilePath/Chart Showing Radio Signal of First Identified Pulsar.jpg?width=200 "Jocelyn Bell]] first recognised evidence of a pulsar, exhibited at [[Cambridge University Library]]")
![Gamma-ray pulsars detected by the [[Fermi Gamma-ray Space Telescope]].](https://commons.wikimedia.org/wiki/Special:FilePath/Fermi's Gamma-ray Pulsars.jpg?width=200 "Gamma-ray pulsars detected by the [[Fermi Gamma-ray Space Telescope]].")
![Illustration of the "[[lighthouse]]" effect produced by a pulsar.](https://commons.wikimedia.org/wiki/Special:FilePath/Lightsmall-optimised.gif?width=200 "Illustration of the \"[[lighthouse]]\" effect produced by a pulsar.")
![Video – [[Crab Pulsar]] – bright pulse and interpulse.](https://commons.wikimedia.org/wiki/Special:FilePath/Crab Lucky video2.gif?width=200 "Video – [[Crab Pulsar]] – bright pulse and interpulse.")
Википедия
Pulsed DC (PDC) or pulsating direct current is a periodic current which changes in value but never changes direction. Some authors use the term pulsed DC to describe a signal consisting of one or more rectangular ("flat-topped"), rather than sinusoidal, pulses.
Pulsed DC is commonly produced from AC (alternating current) by a half-wave rectifier or a full-wave rectifier. Full wave rectified ac is more commonly known as Rectified AC. PDC has some characteristics of both alternating current (AC) and direct current (DC) waveforms. The voltage of a DC wave is roughly constant, whereas the voltage of an AC waveform continually varies between positive and negative values. Like an AC wave, the voltage of a PDC wave continually varies, but like a DC wave, the sign of the voltage is constant.
Pulsating direct current is used on PWM controllers.
