- #1

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## Main Question or Discussion Point

what is the meaning of modulation and what is types

can any one explain that to me

and give me any book.

can any one explain that to me

and give me any book.

- Thread starter ecestar
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- #1

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what is the meaning of modulation and what is types

can any one explain that to me

and give me any book.

can any one explain that to me

and give me any book.

- #2

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- #3

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at first i want to now what is the fm modulation and the am modulation and what is the difference between both and how can i choose the type of the modulation

and what is the value of the carier that must be used

- #4

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[tex]s(t) A \sin(\omega t)[/tex]

Here [tex]\sin(\omega t)[/tex] is the carrier signal, [tex]\omega[/tex] is its angular frequency, [tex]A[/tex] is a constant, and [tex]t[/tex] is time.

FM modulation is the following:

[tex]A \sin(B s(t) t)[/tex]

[tex]B[/tex] is a constant, and the other variables are the same as they were above.

I don't know the specifics of how these are used in radio.

- #5

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how can i choose the type of modulation i mean depended on what?

[tex]s(t) A \sin(\omega t)[/tex]

Here [tex]\sin(\omega t)[/tex] is the carrier signal, [tex]\omega[/tex] is its angular frequency, [tex]A[/tex] is a constant, and [tex]t[/tex] is time.

FM modulation is the following:

[tex]A \sin(B s(t) t)[/tex]

[tex]B[/tex] is a constant, and the other variables are the same as they were above.

I don't know the specifics of how these are used in radio.

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