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Vol. 163, Issue 1, January 2014, pp. 135-140

 

Bullet

 

Design of the Chaotic Signal Generator Based on LABVIEW
 

* Jian-Guo Zhang, Xiaolei Zhao

Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology Taiyuan,

030024, China
* Tel.: 18234127001

* E-mail: zhaohualei2006@126.com

 

Received: 22 October 2013 /Accepted: 9 January 2014 /Published: 31 January 2014

Digital Sensors and Sensor Sysstems

 

Abstract: We introduces a new method that can achieve the generation of Colpitts chaotic signal The system is based on virtual instrument platform and combined with MATLAB calculation to achieve the generation of Colpitts chaotic signal and making it analysis with autocorrelation and power spectrum at the same time. Signal channel output of chaotic signal was realized through USB-6009 acquisition module extending DA5405 high-speed DAC (Digital-to-Analog Converter) chip. The system can adjust parameters based on customers’ requirements to achieve different frequency chaotic signal generation. Compared with the traditional autonomy Colpitts chaotic signal generator, this generator is simple and clear in structure, simple to operate, strong stability, easy to achieve etc.

 

Keywords: Colpitts chaotic, LabVIEW, MATLAB, Acquisition module, Autocorrelation.

 

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