15 October 2012 Properties of digital 1/3-octave filters implemented according to ANSI S1.11
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Proceedings Volume 8454, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012; 84541J (2012) https://doi.org/10.1117/12.2000191
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012, 2012, Wilga, Poland
Abstract
The paper presents results of investigation into properties of digital filters implemented in compliance with ANSI S1.11 Standard: Octave-Band and Fractional-Octave Band Analog and Digital Filters. The discussed solutions are digital one-third-octave IIR filters with Direct Form I topology. Performed simulations showed that the filters exhibit strong problems with stability, especially in the case of low center frequency filters. Another problem clearly visible in all investigated structures was poor attenuation at the frequencies above the passband. Although the filters were implemented according to the ANSI standard, none of them met all of the requirements of the standard.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Antonina Geras, Antonina Geras, Tomasz Starecki, Tomasz Starecki, } "Properties of digital 1/3-octave filters implemented according to ANSI S1.11", Proc. SPIE 8454, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012, 84541J (15 October 2012); doi: 10.1117/12.2000191; https://doi.org/10.1117/12.2000191
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