3. Consider the two scenarios below: a. An electrocardiogram waveform is sampled by a computer connected to a medical imaging system. The scanner performs some discrete-time filtering and digital signal processing to determine the relative timing of the QRS complexes, in order to synchronize imaging with specific phases of cardiac contraction. The signal processing must preserve the relative timing between signal peaks before vs. after filtering. b. A medical training facility houses a simulated patient mannequin, which has several embedded pressure sensors that are sampled and filtered by a small microcontroller with limited memory and processing speed. The signals must be processed and displayed as quickly as possible, ideally in real time. In each scenario, what kind of discrete-time filter would be more advantageous, FIR or IIR? Explain your reasoning.

3. Consider the two scenarios below: a. An electrocardiogram waveform is sampled by a computer connected to a medical imaging system. The scanner performs some discrete-time filtering and digital signal processing to determine the relative timing of the QRS complexes, in order to synchronize imaging with specific phases of cardiac contraction. The signal processing must preserve the relative timing between signal peaks before vs. after filtering. b. A medical training facility houses a simulated patient mannequin, which has several embedded pressure sensors that are sampled and filtered by a small microcontroller with limited memory and processing speed. The signals must be processed and displayed as quickly as possible, ideally in real time. In each scenario, what kind of discrete-time filter would be more advantageous, FIR or IIR? Explain your reasoning.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Fast Fourier Transform Concepts

The algorithm used to convert a sequence to its Discrete Fourier transform (DFT) is known as the Fast Fourier transform. It can be used for both DFT and IDFT (Inverse DFT) transformation.

Question

3. Consider the two scenarios below:
a. An electrocardiogram waveform is sampled by a computer connected to a medical
imaging system. The scanner performs some discrete-time filtering and digital signal
processing to determine the relative timing of the QRS complexes, in order to
synchronize imaging with specific phases of cardiac contraction. The signal processing
must preserve the relative timing between signal peaks before vs. after filtering.
b. A medical training facility houses a simulated patient mannequin, which has several
embedded pressure sensors that are sampled and filtered by a small microcontroller with
limited memory and processing speed. The signals must be processed and displayed as
quickly as possible, ideally in real time.
In each scenario, what kind of discrete-time filter would be more advantageous, FIR or IIR?
Explain your reasoning.

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