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What is the differences between damped and undamped oscillations?
damped vibrations:in damped vibrations the amplitude of the signal decreases with respect to timeundamped vibrationsin undamped vibrations the amplitude of the signal remains constant with respect to time
What is Modulation index formula in Frequency modulation?
mf=(K*Am)/fm where K: is a proprtionality coefficient Am: is amplitude of the message fm=frequency of modulation
How does amplitude of a pendulum affect frequency?
it doesnt affect the amplitude as the mass and length remain constant
When amplitude of the wave increase what else increases?
When amplitude increases, so does the energy. This stems from E = hv where h is Planck's constant, v is nu (amplitude) and E is energy.
When the frequency of a wave increases the energy will?
If the power is constant, the amplitude will decrease.
Multiple choice question answer of AM modulation?
amplitude modulation is where we modulate our signal with a carrier signal amplitude changes but frequency remains constant in amplitude modulation
What does AM and FM mean?
am is amplitude modulation, fm, frequency modulation
FM is better than AM?
FM is frequency modulation. The amplitude is held constant and the carrier frequency is varied. AM is amplitude modulation. The amplitude is varied and the carrier frequency is held constant.
What does am and fm?
fm- frequency modulated am- amplitude modulated
What are FM and AM?
Amplitude Modulation (AM) Frequency Modulation (FM)
What does AM and FM stand for in radios?
AM - Amplitude Modulation FM - Frequency Modulation
Why is a limiter used in FM?
limiter mainly used to limit the amplitude of FM waveform.because of, in FM the frequency only varied but amplitude also varied due to noise . to cancel the amplitude variation limiter mainly used
What does fm and am stand for?
AM-Amplitude modulated FM-Frequency modulated Explanation: The frequency and amplitude refer to the width and height of wavelengths in the radio waves that are used to transmit the signal. FM is usually a better signal than AM because the frequency of the waves is less distorted than amplitude.
What do the initials AM and FM relate to?
AM = Amplitude Modulation. FM = Frequency Modulation
When modulating freq is doubled then modulating index is halved and modulating voltage remains constant system is?
It's Angle modulated system where the amplitude remains constant & frequency & phase varies with respect to modulating signal.
AM radio and FM radio?
AM stands for amplitude modulation, while FM stands for frequency modulation. In AM, the amplitude (the height or depth of the crests or troughs) changes, while in FM, the frequency changes.
What is a AM and FM radio technician?
AM stands for amplitude modulation FM stands for frequency modulation
