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2010•Journal of Lanzhou Jiaotong UniversityRequires access

An Implementation of Modulation/Demodulation for Software Defined Radio

Ping Wang

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Abstract

Software Defined Radio(SDR) is a new architecture of communication system that is brought forward these years in radio area,and the modulation and demodulation technology occupies an important position in the software radio system.The modulation and demodulation module is the key technology of the mobile communication system and its realization using software is an important link of realizing SDR.The modulation/demodulation algorithm is mainly studied based on software radio,and the algorithm of AM,FM is simulated on this basis with MATLAB.The simulation shows that the correctness and feasibility of the algorithm.

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What this paper is about

Software Defined Radio(SDR) is a new architecture of communication system that is brought forward these years in radio area,and the modulation and demodulation technology occupies an important position in the software radio system.The modulation and demodulation module is the key technology of the mobile communication system and its realization using software is an important link of realizing SDR.The modulation/demodulation algorithm is mainly studied based on software radio,and the algorithm of AM,FM is simulated on this basis with MATLAB.The simulation shows that the correctness and feasibility of the algorithm.

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Available abstract

Software Defined Radio(SDR) is a new architecture of communication system that is brought forward these years in radio area,and the modulation and demodulation technology occupies an important position in the software radio system.The modulation and demodulation module is the key technology of the mobile communication system and its realization using software is an important link of realizing SDR.The modulation/demodulation algorithm is mainly studied based on software radio,and the algorithm of AM,FM is simulated on this basis with MATLAB.The simulation shows that the correctness and feasibility of the algorithm.

Key concepts: Software-defined radio, Demodulation, Modulation (music), Computer science, Software, MATLAB, Key (lock), Frequency modulation

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