2006•Radio Engineering of ChinaRequires access

Design of Voice Channel Characteristic Test System by Virtual Instrument Technology

Bo Zhang

Abstract

Virtual Instrument technology is a computer-based measurement technique and is different from traditional measurement technology. Virtual instrument technology allows the efficient construction of measurement system on universal computer platform containing data acquisition device according to specific requirement. LabVIEW is a development platform for virtual instrument, providing nearly all signal processing functions as well as lots of modern and advanced signal analyzing tools, and it could be easily integrated with various data acquisition hardware. This article mainly describes how to realize PBX voice channel characteristic testing system by utilizing LabVIEW and virtual instrument technology.

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Available abstract

Key concepts: Virtual instrument, Data acquisition, Computer hardware, Instrument Driver, Channel (broadcasting), Virtual instrumentation, SIGNAL (programming language), Computer science