Re: square waves

[NZG]

A generalized approach to Paul Kienzle's suggested method.

## v = pwms(t,period,duty)
##
## square pulse width modulation
##
## period in units of samples, duty is the fraction the pwm is "high".

function v = pwms(t,period,duty)

pw = period*duty;

v = pulstran(t,(period -pw/2):period:length(t),'rectpuls',period*duty);

endfunction 

NZG



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