Spectra
Don Morgan's column from Embedded Systems Programming magazine. He wrote about digital signal processing.
Archives
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Forward Interpolation
31 July 2002
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Engineers are always looking to make their designs more efficient. Don has a DSP technique that... Read More
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Educated Guessing Games
28 February 2002
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Engineers can't know everything, but with the approximation techniques described here, we can fill... Read More
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It's All About Class
31 August 2001
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Digital control is increasingly used in audio amplifiers. If you've been around awhile, this ... Read More
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Shades of Gray
31 July 2001
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The FFT is the supreme spectral analysis technique. But there are other, far simpler ways to examine ... Read More
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Shadow Dancing
02 July 2001
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Filters aren't just for removing noise and other unwanted parts of a signal. They can, in fact, be... Read More
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Observing the Unknown
01 May 2001
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Adaptive filters can be used to determine the system response of an unkown system. Black magic... Read More
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Sympathetic Algorithms
15 March 2001
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Controlling a motor without sensors sounds hard, but it can be done. One approach is to run a... Read More
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Look Ma, No Hands!
04 March 2001
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Not all systems have position or velocity sensors. In those cases, consider using a stepper motor to ... Read More
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Tracking Demodulation
26 February 2001
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High resolution encoders are expensive, but alternatives exist. You can develop a high-resolution... Read More
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Quadrature-Encoded Position and Beyond
26 February 2001
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This month, Don wraps up techniques for determining angular position and turns the discussion to... Read More
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