Ads skipped

Negative frequency

52K views · Aug 4, 2016 · Education

Comments · 23

  • @threedgmh · 8 years ago

    The sine on the negative side would be flipped and flow in a mirrored direction, you have them both in the same direction, but positive and negative are the same poles, but opposites, which would be a mirror image of the other going the opposite way, like reading a sign in a mirror, the words are backwards.

    5

  • @shdi7312 · 4 years ago

    the direction of e^(-jwt) is wrong, it should be in the direction of e^(jwt) mirrored around x-axis.

    3

  • @DarkMoonLilith7 · 9 years ago

    thanks

  • @autmanmansour6996 · 8 years ago

    I don't agree that e-jwt evaporates here  because eventually to get the cosine value  you will need to add up the two exponential values and then divide them by 2.

    1

  • @curtpiazza1688 · 3 years ago

    Makes sense! 😅

  • @poiuwnwang7109 · 5 years ago

    nice

  • @gamingwithdad5774 · 5 years ago

    Can you please explain what the purpose of graphing a negative frequency with phasors when negative frequencies do not actually exist? What happens when a computation ends up with a negative frequency?

    1

  • @SGTDUBSY · 5 years ago

    Would it be possible for light to redshift enough to become a negative frequency? For instance, near the event horizon of a black hole.

    1

  • @97m_it · 3 years ago

    What would happen to sine wave ?

  • @MaarioneteSR · 10 years ago

    isn't ω the angular speed? I'm kinda lost since he said it was frequency, and from that we could take the cosine of ω*t since it's dimensionless. From circular motion I learned that θ = ω*t, I'm not sure if I missed something or this is indeed confusing

  • @shinnufatima7631 · 8 years ago

    Can anyone elaborate what is the need of converting to S domain ? what are advantages of doing that

  • @louiswilliams8534 · 3 years ago

    i think i understand

Up next

LIVE

Impedance

Khan Academy · 388K views

LIVE

Fourier Series introduction

Khan Academy · 1.5M views

LIVE

How Newton Calculated Pi in Just One Afternoon

STEM in Motion by Gaurav · 826K views

LIVE

What is Negative Frequency?

Iain Explains Signals, Systems, and Digital Comms · 43K views

LIVE

This $40 Hunk of Metal Made China a Superpower

InGenius · 48K views

LIVE

The geometric interpretation of sin x = x - x³/3! + x⁵/5! -...

Mathemaniac · 320K views

LIVE

The Insane Real Engineering of the Nazi Enigma Machine

Veritasium · 13M views

LIVE

Complex rotation

Khan Academy · 71K views

LIVE

The intuition behind Fourier and Laplace transforms I was never taught in school

Zach Star · 1.2M views

LIVE

Nobody Explained Maxwell's Equations Like THIS!

Animated Physics · 532K views

LIVE

Negative Frequency, Imaginary Numbers and the Complex Conjugate

Mark Newman · 20K views

LIVE

Why colliding blocks compute pi

3Blue1Brown · 6.4M views

LIVE

Positive and negative frequencies

Mike X Cohen · 22K views

LIVE

Only Video That Will Make You BETTER at MATH - 100%

Margin · 1.4M views

LIVE

But what is the Fourier Transform? A visual introduction.

3Blue1Brown · 12M views

LIVE

ELI the ICE man

Khan Academy · 52K views

LIVE

Preview: Negative frequency, imaginary numbers and the complex conjugate

Mark Newman · 12K views

LIVE

Understanding the Discrete Fourier Transform and the FFT

MATLAB · 500K views

LIVE

Where Does Light Get Its Speed From?

Sleep On Physics · 199K views

LIVE

Richard Feynman: Can Machines Think?

Lex Clips · 2.4M views

YouTube, with the door locked.

Aegis plays a clean stream instead of YouTube's player, so pre-roll ads, trackers, and fingerprinting never ride along. Drop Shields any time if you want the official player back.