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  2. Power-line flicker - Wikipedia

    en.wikipedia.org/wiki/Power-line_flicker

    The requirements of a flicker measurement equipment are defined in the international electro-technical standard IEC 61000-4-15. [2]A flickermeter is composed of several function blocks which simulate a 230 V/60 W or a 120 V/60 W incandescent lamp (reference lamp) and the human perception system (eye-brain model).

  3. Flicker (light) - Wikipedia

    en.wikipedia.org/wiki/Flicker_(light)

    In visual perception, flicker is a human-visible change in luminance of an illuminated surface or light source which can be due to fluctuations of the light source itself, or due to external causes such as due to rapid fluctuations in the voltage of the power supply (power-line flicker) or incompatibility with an external dimmer.

  4. Flicker noise - Wikipedia

    en.wikipedia.org/wiki/Flicker_noise

    Flicker noise is a type of electronic noise with a 1/f power spectral density. It is therefore often referred to as 1/ f noise or pink noise , though these terms have wider definitions. It occurs in almost all electronic devices and can show up with a variety of other effects, such as impurities in a conductive channel, generation and ...

  5. Street light interference phenomenon - Wikipedia

    en.wikipedia.org/wiki/Street_light_interference...

    A street lamp mounted on a bracket and column A high pressure sodium street light fixture. Street light interference, sometimes called high voltage syndrome, is the claimed ability of individuals to turn street lights or outside building security lights on or off when passing near them. [1]

  6. Leeson's equation - Wikipedia

    en.wikipedia.org/wiki/Leeson's_equation

    In the above equation, if f c is set to zero the equation represents a linear analysis of a feedback oscillator in the general case (and flicker noise is not included), it is for this that Leeson is most recognised, showing a −20 dB/decade of offset frequency slope. If used correctly, the Leeson equation gives a useful prediction of ...

  7. Federal agencies to be closed on Christmas Eve 2024 ... - AOL

    www.aol.com/federal-agencies-closed-christmas...

    On Thursday, President Joe Biden signed an executive order designating Christmas Eve as a federal holiday for most employees.

  8. Doctors Say This Nighttime Behavior Can Be A Sign Of Dementia

    www.aol.com/doctors-nighttime-behavior-sign...

    However, Dr. Kobylarz notes it can start as early as 1 p.m. for some people. What Sundowning Looks Like There’s a difference between being totally over your day and sundowning.

  9. Jay Leno Says He Only Sleeps 4 Hours a Night and Never Drinks ...

    www.aol.com/jay-leno-says-only-sleeps-223106981.html

    Jay Leno opened up about his unusual sleeping habits on the Dec. 22 episode of Bill Maher’s Club Random podcast and revealed he only gets four hours of sleep a night despite his busy lifestyle ...

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