Study on Test of DMB-T Signal Based on Software Defined Radio Technique

Shan Shan Li; Jian Zhou

doi:10.4028/www.scientific.net/AMM.303-306.835

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Study on Test of DMB-T Signal Based on Software...

Study on Test of DMB-T Signal Based on Software Defined Radio Technique

Abstract:

With the release of the standard, digital television terrestrial broadcasting is being gradually extended in many places. In order to speed up the extension and the application, also to evaluate the existing digital television terrestrial broadcasting system, we need a easy-to-use signal analysis and measurement system. The traditional signal measurement method is through the special hardware circuit to realize, but that method is high cost, and the system structure is complex and single function. To improve the flexibility of the system , we realize the system based on virtual instrument technology. In hardware section, this thesis described the block diagram of the system and the introduction of the NI vector signal analyzer. In software part, this thesis described the overall test system based on LabVIEW and the realization of the system features multi-threading, each step of synchronization signals achieved. The image Fig. 3 and Fig. 4 show the result of this system test software system.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

835-838

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.835

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Online since:

February 2013

Authors:

Shan Shan Li, Jian Zhou

Keywords:

Digital Television Test, DMB-T, LabVIEW, Ni

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