01-02-2013, 04:07 PM
A Technique for Efficient Realization of Wide-Band FIR LTI Systems
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OBJECTIVE:
Objective of this proposed technology to design A Technique for Efficient Realization of Wide-Band FIR LTI Systems.
INTRODUCTION:
Many digital signal processing (DSP) systems suffer from the problem that their complexity may become intolerably high when their bandwidths approach the whole Nyquist band. This corresponds to one or several don’t-care bands approaching zero. For linear and time-invariant (LTI) frequency-selective finite-length impulse response (FIR). filters, the frequency-response masking (FRM) technique can then be used to reduce the complexity due to the use of one or several periodic (sparse) subfilters . For other DSP functions, it is however not possible to directly make use of the FRM approach.