Pulse time modulation

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1 total messages Started by Sasha Lanning Tue, 29 Aug 2000 00:00

#37

Author: Sasha Lanning
Date: Tue, 29 Aug 2000 00:00

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I would like to find the autocorrelation function for the Pulse time
modulation function.  PTM is a pulse time modulated signal from the
pulse times of phase. The phase must be between 0 and 1, specifying the
left edge of each pulse in fractions of a period. Duty cycle is a scalar
between 0 and 1 that specifies the length of each pulse in fractions of
a period.

The function is defined as 'ptm' in matlab.

I have been able to find the autocorrelation function for a PTM of zero
phase and .5 dutycycle, but I am looking for something a little more
general.

To find the autocorrelation function, I understand that I need three
different regions, thus three different integrals, but I am unsure on
how to specify the limits of integration or the max and min values of
the function.

Thanks for your input!

Sasha D. Lanning

Graduate Student Researcher
Mechanical Engineering, UC Berkeley

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