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2019•2019 IEEE International Conference on Signal, Information and Data Processing (ICSIDP)Requires access

A FIR filter with variable order based on FPGA

Jiahao Li, Bingyi Li, Shankang Hu, Tingting Qiao, Xie Yizhuang

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Abstract

Considering the low accuracy of the fixed-point FIR filter and the disadvantages of fixed filter order, a design to realize a FIR filter using floating-point with variable order based on FPGA was introduced. This kind of FIR filter realizes the function of changing orders without additional hardware resources. Using the simulation tool of Vivado and MATLAB, the relative error of the FIR filter is less than 10-3, which indicates that this kind of FIR filter enjoys high accuracy.

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What this paper is about

Considering the low accuracy of the fixed-point FIR filter and the disadvantages of fixed filter order, a design to realize a FIR filter using floating-point with variable order based on FPGA was introduced. This kind of FIR filter realizes the function of changing orders without additional hardware resources. Using the simulation tool of Vivado and MATLAB, the relative error of the FIR filter is less than 10-3, which indicates that this kind of FIR filter enjoys high accuracy.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Considering the low accuracy of the fixed-point FIR filter and the disadvantages of fixed filter order, a design to realize a FIR filter using floating-point with variable order based on FPGA was introduced. This kind of FIR filter realizes the function of changing orders without additional hardware resources. Using the simulation tool of Vivado and MATLAB, the relative error of the FIR filter is less than 10-3, which indicates that this kind of FIR filter enjoys high accuracy.

Key concepts: Filter (signal processing), Finite impulse response, Field-programmable gate array, Computer science, Filter design, Variable (mathematics), MATLAB, Low-pass filter

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