
Information Technology and Computer Application Engineering – Liu, Sung & Yao (Eds)
© 2014 Taylor & Francis Group, London, ISBN 978-1-138-00079-7
Window function method design and realization of high-pass digital filter
based on MATLAB SPTool
An Dong Qu & Jie Min
Engineering College, Honghe University, Mengzi, Yunnan, China
ABSTRACT: Digital filter is one of the most important parts of digital signal processing. This article in
accordance with the principles of window function design method, using SPTool design tools, design of a high-
pass digital filter. Filtering processing for measured signal showed that filtering effect of the filter achieved the ...