Tagged Questions
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12 views
Separating waves of very close wavelengths [migrated]
I'm new to wave problems, so excuse my simplified words.
I have a signal consists of high range of frequencies . I applied a Band-pass filter to this signal and I have been able to separate it to ...
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2answers
70 views
Frequency Modulation
If FM radios work by modulating the frequency, how is it that we can tune into a specific channel, and hear a song or station? Wouldn't the channel need to be modulated along with the varying ...
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84 views
Sum and Difference Frequencies - Amplitude Modulation
I understand that while transmitting an envelope through a carrier wave to the receiver, an upper sideband and a lower sideband form adjacent to the carrier wave. The sidebands are apparently an ...
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1answer
184 views
Radio waves and frequency of photon
Is 89MHZ station emitting photons of 89MHZ frequency? (I mean $\nu$ in $E=h\nu$).
