Performance Of Modified Cosh Window Function
Journal Title: INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY - Year 2013, Vol 9, Issue 3
Abstract
In this paper, we have analyzed the performance of modified Cosh window function.A new parameter has been proposed to the previous 2-parameter Cosh window to improve its spectral characteristics in terms of ripple-ratio and transition width.It is observed by several iterations that by increasing the values of new parameter so proposed there is a significant variation in ripple ratio and transition width of the window spectrum.By the suitable combination of two parameters of the proposed window function, an optimum modified Cosh window is derived for N=51 and N=101.Optimum window provides better spectral characteristics. This modified window has applications in digital FIR designing, image processing as it provides better minimum stop band attenuation and contrast ratio respectively.An example has been taken to show the better performance of the proposed window for FIR filter designing for specified requirements.
Authors and Affiliations
Shruti Jain, Dinesh Kumar Verma
Keywords
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- EP ID EP650145
- DOI 10.24297/ijct.v9i3.3336
- Views 73
- Downloads 0
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