منابع مشابه
Transposed Form FIR Filters
This application note describes a high-speed, reconfigurable, full-precision Transposed Form FIR filter design implemented in the VirtexTM and Virtex-II series and SpartanTM-II family of FPGAs. The VHDL reference design provided with this application note is easily modified to change filter parameters including coefficients and the number of taps. By illustrating a design methodology for digita...
متن کاملAnalytical design of FIR filters
A new recursive algorithm for the impulse response coefficients of a FIR lowpass filter is developed. The algorithm is obtained from the differential equation for the amplitude response of a lowpass filter. While the original filter exhibits maximally flat frequency response, the abridging of the impulse response provides a frequency response comparable to those obtained by other design methods.
متن کاملAsymptotic behaviour of FIR filters
The recursive algorithm for the impulse response coefficients of FIR filters with maximally flat specifications [4] was recently developed. Based on differential equation for the almost equiripple specifications [2] a similar recursion is derived and presented in this paper. Both backward recursions give an explicit access to the evaluation of asymptotic values to which the impulse response coe...
متن کاملLeast{squares Multirate FIR Filters
The authors propose a new least{squares design procedure for multirate FIR lters with any desired shape of the (band{limited) frequency response. The aliasing, inherent in such systems, is implicitly taken into account in the approximation criterion.
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ژورنال
عنوان ژورنال: IEEE Design & Test of Computers
سال: 2003
ISSN: 0740-7475
DOI: 10.1109/mdt.2003.1198686