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Design of Virtual Spectrum Analyzer Based on GPIB Bus

MA Zong-jun

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Abstract

Based on the concept of virtual instruments,the communications between PC and programmable spectrum is realized through GPIB bus and the method for controlling the spectrum analyzer is proposed by using a PC.This method,based on LabWindows/CVI software as a platform,can program the virtual instrument control panel,and control the capture card and the spectrum analyzer through a GPIB card,thus building a set of automatic spectrum test equipment.The designed spectrum analyzer can fulfil the spectrum measurement satisfactorily and extend the analyzer's functions.

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What this paper is about

Based on the concept of virtual instruments,the communications between PC and programmable spectrum is realized through GPIB bus and the method for controlling the spectrum analyzer is proposed by using a PC.This method,based on LabWindows/CVI software as a platform,can program the virtual instrument control panel,and control the capture card and the spectrum analyzer through a GPIB card,thus building a set of automatic spectrum test equipment.The designed spectrum analyzer can fulfil the spectrum measurement satisfactorily and extend the analyzer's functions.

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Available abstract

Based on the concept of virtual instruments,the communications between PC and programmable spectrum is realized through GPIB bus and the method for controlling the spectrum analyzer is proposed by using a PC.This method,based on LabWindows/CVI software as a platform,can program the virtual instrument control panel,and control the capture card and the spectrum analyzer through a GPIB card,thus building a set of automatic spectrum test equipment.The designed spectrum analyzer can fulfil the spectrum measurement satisfactorily and extend the analyzer's functions.

Key concepts: Spectrum analyzer, Computer science, Software, Virtual instrumentation, Computer hardware, Spectrum (functional analysis), Virtual instrument, Set (abstract data type)

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