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Time Frequency Toolbox >> Time Frequency Toolbox > Choice of the Instantaneous Amplitude > amexpo1s

amexpo1s

Generate one-sided exponential amplitude modulation.

Calling Sequence

Y = amexpo1s(N)
Y = amexpo1s(N,T0)
Y = amexpo1s(N,T0,T)

Parameters

N :

a positive integer value: the number of points.

T0 :

a positive scalar: the arrival time of the exponential (default : N/2).

T :

a positive scalar: the time spreading (default : 2*sqrt(N)).

Y :

a real row vector: the signal.

Description

amexpo1s generates a one-sided exponential amplitude modulation centered on a time T0, and with a spread proportional to T. This modulation is scaled such that Y(T0)=1.

Examples

z=amexpo1s(160);subplot(121);plot(z);xtitle("T0 = N/2, T = 2*sqrt(N)")
z=amexpo1s(160,20,40);subplot(122);plot(z);xtitle("T0 = 20, T = 40")

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