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2009•Modern Electronics TechniqueRequires access

Design of Chirp Signal Source Based on DSP Builder

Dong Jiang

Open publisher page 2 citations

Abstract

The characters of Chirp function in the time and frequency domained zone are analysed.At first,acheving Digital Direct Synthesizer(DDS) based on Altera′s DSP developing tool-DSP Builder.Designing the subsystem blocks which count to the DDS′s controlling words of special output frequency by the input controlling words based on the special in-to-out relationship(linear or non-linear) of chirp function to in order to drive the DDS to get the different output frequency.This design can reach the Chirp signal source through the simulation tool-Simulink of Matlab.

About this research paper

What this paper is about

The characters of Chirp function in the time and frequency domained zone are analysed.At first,acheving Digital Direct Synthesizer(DDS) based on Altera′s DSP developing tool-DSP Builder.Designing the subsystem blocks which count to the DDS′s controlling words of special output frequency by the input controlling words based on the special in-to-out relationship(linear or non-linear) of chirp function to in order to drive the DDS to get the different output frequency.This design can reach the Chirp signal source through the simulation tool-Simulink of Matlab.

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Available abstract

The characters of Chirp function in the time and frequency domained zone are analysed.At first,acheving Digital Direct Synthesizer(DDS) based on Altera′s DSP developing tool-DSP Builder.Designing the subsystem blocks which count to the DDS′s controlling words of special output frequency by the input controlling words based on the special in-to-out relationship(linear or non-linear) of chirp function to in order to drive the DDS to get the different output frequency.This design can reach the Chirp signal source through the simulation tool-Simulink of Matlab.

Key concepts: Chirp, Digital signal processing, MATLAB, Direct digital synthesizer, Computer science, SIGNAL (programming language), Electronic engineering, Chirp spread spectrum

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