Friday, January 13, 2012

Series de Fourier y ondas cuadradas

Aproximación por series de Fourier a la onda cuadrada en un contexto de circuitos eléctricos y aplicaciones en electrónica: http://www.allaboutcircuits.com/vol_2/chpt_7/2.html

Square wave signals : MIXED-FREQUENCY AC SIGNALS
www.allaboutcircuits.com
It has been found that any repeating, non-sinusoidal waveform can be equated to a combination of DC voltage, sine waves, and/or cosine waves (sine waves with a 90 degree phase shift) at various amplitudes and frequencies. This is true no matter how strange or convoluted the waveform in question may...

Alejandro Pisanty
Explicación compacta de la aproximación de una onda cuadrada mediante series de Fourier, incluyendo Fenómeno de Gibbs y medición de la calidad de la aproximación mediante minimización del error rms: http://cnx.org/content/m0041/latest/

Fourier Series Approximation of a Square Wave
cnx.org
Shows how to use Fourier series to approximate a square wave, as opposed to the sinusoidal waves seen previously.

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