Hits:

Indexed by:Journal Papers

Date of Publication:2007-03-30

Journal:Computer Simulation

Included Journals:ISTIC、CSCD

Volume:24

Issue:3

Page Number:240-245

ISSN No.:1006-9348

Key Words:Digital signal processing；Virtual；Software；Module

Abstract:Considering the distinct disadvantages such as poor expandability and high price of traditional digital signal processor，a PC—based instrument is researched and developed according to the digital signal processing prin-ciple and computational methods VC++6 0 and Matlab 6.0 are used as programming languages and platforms to construct the virtual digital signal processing instrument．Cooperation of VC++with Matlab con conveniently and exactly realize the analvsis of the sampling signal The system is divided into 8ix modules：signal generator，signal sampling，t11e design and application of digital filter，correlation analysis in time domain，spectrometric analysis in frequency domain and transform processing in inverted frequency domain．A controlled experiment is designed to tompare the signal processing result of B&K2034 with that of the virtual instrument The output has proved the correcthess of the result and the validity of the virtual signal processing instrument Experimental application indicated that the systein realized the fundamental signal processing function of B&K2034．