An Alternative Approach to the Balanced Model Truncation Algorithm for Acoustic Minimum-Phase Inverse Filters Order Reduction

<table><svg height="7.375" id="M151" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 7.9250002 7.375" width="7.9250002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.375)">
<g transform="translate(72,-66.1)">
<text transform="matrix(1,0,0,-1,-71.95,66.32)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑧</tspan>
</text>
</g>
</g>
</svg>-plane plot of the delivered IIR filter by the standard method for the selected order <svg height="11.0375" id="M152" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 35.799999 11.0375" width="35.799999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.0375)">
<g transform="translate(72,-63.17)">
<text transform="matrix(1,0,0,-1,-71.95,63.4)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑘</tspan>
<tspan style="font-size: 12.50px; " x="10.239957" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="22.280346" y="0">6</tspan>
</text>
</g>
</g>
</svg> in (b) as compared to that of the original FIR prototype in (a).</table>

International Scholarly Research Notices

fig6

Figure 6

Figure 6: An Alternative Approach to the Balanced Model Truncation Algorithm for Acoustic Minimum-Phase Inverse Filters Order Reduction 