rectpuls

Sampled aperiodic rectangle

Syntax

y = rectpuls(t)

y = rectpuls(t,w)

Description

y = rectpuls(t) returns a continuous, aperiodic, unit-height rectangular pulse at the sample times indicated in array t, centered about t = 0.

y = rectpuls(t,w) generates a rectangle of width w.

Examples

Generate and Displace Rectangular Pulse

Generate 200 ms of a rectangular pulse with a sample rate of 10 kHz and a width of 20 ms.

fs = 10e3;
t = -0.1:1/fs:0.1;

w = 20e-3;

x = rectpuls(t,w);

Generate two copies of the same pulse:

• One displaced 45 ms into the past.

tpast = -45e-3;
xpast = rectpuls(t-tpast,w);

• One displaced 60 ms into the future and half as wide.

tfutr = 60e-3;
xfutr = rectpuls(t-tfutr,w/2);

Plot the original pulse and the two copies on the same axes.

plot(t,x,t,xpast,t,xfutr)
ylim([-0.2 1.2])

Input Arguments

t — Sample times

vector

Sample times of unit rectangular pulse, specified as a vector.

Data Types: single | double

w — Rectangle width

1 (default) | positive number

Rectangle width, specified as a positive number.

Output Arguments

y — Rectangular pulse

vector

Rectangular pulse of unit amplitude, returned as a vector.

Note

The interval of nonzero amplitude is defined to be open on the right, that is, rectpuls(-0.5) = 1 while rectpuls(0.5) = 0.

Tips

rectpuls can be used in conjunction with the pulse train generating function pulstran.

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using MATLAB® Coder™.