A New Efficient Window Function for FIR Filter Design


This paper presents A new window function for design FIR filters that have smaller main lobe than other commonly use windows. Against the other method, This window has a small main lobe and don't need higher computational complexity. The goal of this paper is to design a new window that has simple computational specifications than Kaiser and Gaussian windows. For this, we first design a new window, then we compare main lobe width and relative side lobe attenuation of this new window with other windows like Bartlett- Hanning, Kaiser and Gaussian for different value of lengths to prove the efficiency of our method. Observe, the main lobe width is smaller than other windows and relative side lobe attenuation is the same Kaiser and Gaussian windows. The FIR filters designed by windowing method show the efficiency of the new window.

  • Abstract
  • Key Words
  • 1. Introduction
  • 2. Proposed Window
  • 3. Performance Evalition
  • 4. Conclution
  • References

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