Resource optimization type FIR filter and implementation method thereof

Resource optimization type FIR filter and implementation method thereof

The invention discloses a source optimization type FIR (Finite Impulse Response) filter, which comprises a data delay unit; the data preprocessing unit is used for calculating a data tap mixing variable; the data tap mixed inner product calculation unit is used for calculating a data tap mixed multi...

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Hauptverfasser: WANG WENDI, ZHU SHIBIN, LIN DIANHAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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creator WANG WENDI
ZHU SHIBIN
LIN DIANHAO
description The invention discloses a source optimization type FIR (Finite Impulse Response) filter, which comprises a data delay unit; the data preprocessing unit is used for calculating a data tap mixing variable; the data tap mixed inner product calculation unit is used for calculating a data tap mixed multiplication component; the data inner product calculation unit is used for calculating a data inner product quantity; and the summation unit is used for calculating the integral quantity in the tap and calling the summation of the integral quantity in the tap, the data tap mixed multiplication component and the integral quantity in the data to obtain a filtering result. The high-order filter has the beneficial effect of remarkably reducing the use number of multipliers. The invention provides an implementation method of an FIR filter. The implementation method comprises the following steps: carrying out delay calculation on input data; calculating a data tap mixing variable in real time; calculating a data tap mixed
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
title Resource optimization type FIR filter and implementation method thereof
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