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Modulation for communications simulation

`y = modulate(x,fc,fs,`

* 'method'*)

y = modulate(x,fc,fs,

`'method'`

[y,t] = modulate(x,fc,fs)

`y = modulate(x,fc,fs,`

and* 'method'*)

`y = modulate(x,fc,fs,`

modulate the real message signal * 'method'*,opt)

`x`

with a carrier frequency `fc`

and
sampling frequency `fs`

, using one of the options
listed below for `'method'`

`opt`

. Use `modulate`

and `demod`

in
the Signal
Processing Toolbox™ with real-valued signals to obtain
real-valued outputs. `modulate`

and `demod`

are
not intended to accept complex-valued inputs or produce complex-valued
outputs.

If you do not specify * 'method'*, then

`modulate`

assumes `am`

.
Except for the `pwm`

and `ppm`

cases, `y`

is
the same size as `x`

.If `x`

is an array, `modulate`

modulates
its columns.

`[y,t] = modulate(x,fc,fs)`

returns the internal
time vector `t`

that `modulate`

uses
in its computations.

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