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2002•Telecommunication EngineeringRequires access

Software Implementation Technology in Digital Down Converting Process

Li Li

Open publisher page 1 citations

Abstract

The main purpose of this paper is to analyze the efficient algorithm of DDC, so that the DDC process can be implemented in software on general purpose DSP and can afford greater flexibility. Combining mixing with decimating and filting can greatly reduce the amount of operations. A decimation filter for DDC is proposed and proved to be effective by simulation. The proposed decimation filter is a cascade of a CIC filter, an ISOP(Interpolated second-order polynomials), and an FIR filter.

About this research paper

What this paper is about

The main purpose of this paper is to analyze the efficient algorithm of DDC, so that the DDC process can be implemented in software on general purpose DSP and can afford greater flexibility. Combining mixing with decimating and filting can greatly reduce the amount of operations. A decimation filter for DDC is proposed and proved to be effective by simulation. The proposed decimation filter is a cascade of a CIC filter, an ISOP(Interpolated second-order polynomials), and an FIR filter.

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OpenAlex reports 1 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The main purpose of this paper is to analyze the efficient algorithm of DDC, so that the DDC process can be implemented in software on general purpose DSP and can afford greater flexibility. Combining mixing with decimating and filting can greatly reduce the amount of operations. A decimation filter for DDC is proposed and proved to be effective by simulation. The proposed decimation filter is a cascade of a CIC filter, an ISOP(Interpolated second-order polynomials), and an FIR filter.

Key concepts: Decimation, Cascaded integrator–comb filter, Filter (signal processing), Computer science, Digital signal processing, Finite impulse response, Flexibility (engineering), Software

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