Abstract
In this chapter, we will study analog and digital filter design techniques. A filter is nothing but a linear time invariant (LTI) system. Any LTI system can be described using its impulse response. If the impulse response of a LTI system is known, then for any arbitrary input the system output can be calculated by taking the convolution of the impulse response and arbitrary input. This also means that filtering operation is nothing but a convolution operation. And filter design is nothing but finding the impulse response of a linear time invariant system. For this purpose, we can work either in time domain or frequency domain.
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Gazi, O. (2018). Analog and Digital Filter Design. In: Understanding Digital Signal Processing. Springer Topics in Signal Processing, vol 13. Springer, Singapore. https://doi.org/10.1007/978-981-10-4962-0_4
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DOI: https://doi.org/10.1007/978-981-10-4962-0_4
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Online ISBN: 978-981-10-4962-0
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