?? ramp_gen.m
字號(hào):
function [out] = ramp_gen(gain,offset,freq,time)
% This function computes the ramp signal
% Inputs:
% gain = Gain to output
% offset = Offset to output
% freq = Frequency (Hz)
% time = Time (sec)
% Output:
% out = Ramp signal varying between 0 and 1 for gain=1 and offset=0
T_ramp = 1/abs(freq); % Period of ramp signal (sec)
time_rmp = rem(time,T_ramp); % time for computing the output (sec)
if freq > 0 % ramp from 0 to 1 if freq > 0 (for gain=1, offset=0)
out = gain*(1/T_ramp)*time_rmp + offset;
else % ramp from 1 to 0 if freq < 0 (for gain=1, offset=0)
out = gain*(-(1/T_ramp)*time_rmp+1) + offset;
end
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