Questions tagged [square]

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Parse the frequency of mixed square signals

I'm searching for a way to parse a signal that mixes multiple square waves of different frequencies. The intended output is the frequency of each of the mixed square waves. This answer provides an ...
Hamza Hajeir's user avatar
1 vote
1 answer

How to get a single point of the rising edge of a square wave in relation to its time?

I am trying to get data from only 1 point of each rising edge and trying to relate it to 1 point of the sin wave at the same time. Ideally, the middle of the rising edge is where I want the sin wave ...
CIRCINUS's user avatar
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2 answers

Issues with playing and recording a square wave sound on the same PC

I am learning signal processing. For a hobby project I wanted to transmit and record a simple ASK signal via my soundcard, to see if I can write code to recover the sent data. After playback and ...
Not A Hobbit's user avatar
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1 answer

the duty cycle in square waves

I've been studying harmonics at school for a while. Speaking of them I discovered that a particular case of harmonic is that of a square wave. I know that this wave is composed of a fundamental and ...
Luca Leone's user avatar
4 votes
1 answer

Measuring rise and fall times, of square wave

I have recorded a square wave with scope(bit, controlling some unit). I want to measure rise/fall time, the time while the bit is on and off using python. I thought of using the 'derrivetive' ...
Michael's user avatar
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2 votes
1 answer

Fourier coefficients of discrete difference of a square wave

I have a discrete square wave $f(t)$ where $t \in \mathbb{N}$, of amplitude $A$, period $T$ and duty cycle $1/T$ $$ f(t) = \left\{\begin{matrix} A, & \mathrm{if}\;t=Tn\\ 0, & \mathrm{if}\;t\...
Max Pierini's user avatar
1 vote
3 answers

DFT and perfect reconstruction of a square wave on a digital computer

I know that in theory, when reconstructing a square wave from its Fourier coefficients, unless we have an infinite amount of them, the resulting reconstruction will have Gibbs ringing artifacts due to ...
SheppLogan's user avatar
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How can I generate a time domain square pulse that relies on frequency and not zero centered at MATLAB?

I want to create a square pulse, then use FFT on it. However, this code does not relies on central frequency to generate a pulse, and it is centered at 0 in time and frequency. ...
Warm Cup's user avatar
-1 votes
1 answer

Confusing regarding triangular wave vs square wave?

I am reading signal processing first by Mcclellan. In chapter 3, I came across the term "discontinous" as shown underlined in attached photo. Apparently "discontinuous" means having a gap/break but ...
DSPCS's user avatar
  • 1,192
1 vote
2 answers

anti-alias filter of square pulses

I'm trying to determine whether or not an anti-alias filter is needed for sampling square waves. The goal is to sample square wave pulses from a video detector with an ADC, do some time-domain digital ...
user2913869's user avatar