Posts filed under 'DSP'

How to build your own heart monitoring device, a simple ECG?

How to build your own heart monitoring device, a simple ECG?

I haven’t been writing for some time and I am sorry for it. During the summer I got a three week scholarship in Germany! I had a great time there, btw. I would like to greet those people now! Finally the exams are over and I wanted to share one of my projects with you. Lately Biomedical engineering is getting more and more popular, the emerging technologies made this field change rapidly. So I gave it a try, why not? (more…)

87 comments February 2nd, 2007

Software Function/Signal generator

e-dsp Function/Signal Generator
Since we all need sometimes a simple signal generator just to test an amplifier or some circuit we just made. If you did not know, you can use your computer for that. It is just required to have a sound card. We created a little software application for you to generate a signal of different frequency and amplitude. (more…)

65 comments February 14th, 2006

What are Fourier Coefficients and how to calculate them?

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I will try to explain you what Fourier coefficients are in an as simple as possible way. It will require you to have some basic knowledge on how to solve integrals because we will use them! I will give my best to explain it to you, please notify me in case I made some mistakes or you don’t understand something. I would be happy if you leave some comments regarding this tutorial. (more…)

38 comments February 14th, 2006

What are Fourier series? Basic introduction to Fourier series…

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This is going to be my first introduction to Fourier series. It should teach you some basics so you can follow some other tutorials on my site. In this tutorial it is required that you already know the elementary trigonometric functions, sine and cosine. I will give my best to explain it to you, please notify me in case I make some mistakes or you don’t understand something. I would be happy if you leave some comments regarding this tutorial. (more…)

125 comments February 14th, 2006


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