March 2016
Beginner to intermediate
296 pages
6h 34m
English
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Designing a low-pass digital filter
Joseph Fourier discovered that a complex signal could be described by a sum of sinusoids that is known as a Fourier series, and applying this idea enables us to visualize a signal frequency spectrum. A spectrum analyzer is a device that allows the frequency content of a signal to be displayed and measurements to be made. Two parameters, known as magnitude (amplitude) and phase, describe a sinusoidal signal. The magnitude spectrum describes the amplitude of each sinusoidal component that is summed, and the phase spectrum describes its associated phase. Often, we ignore the phase information and focus on the magnitude spectrum, but for some applications, particularly those that involve feedback, the phase of the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.