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Jian Zhou
Communication University of China

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Test of DMB-T Signal Based on Software Defined Radio Technique Shanshan Li; Jian Zhou; Yi Zhang
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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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. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2308
Transmitter Station Remote Monitor System Based on Browser /Server Structure Shanshan Li; Jian Zhou
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 3: March 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Radio and television was an important way for people to acquire information. In order to ensure  the normal work of the transmitter,we used computer to real-time monitor the transmitter working status, find abnormal situation and handle exception in  the broadcast. Transmitter automatic monitoring and controlling system mostly hadn't been constructed or developed remote monitoring system, a few monitoring system  was based on Client/Server  structure. Browser /Server technique had a better development in monitoring field,so we realized the system Based on Browser /Server structure.The Transmitter Station Remote Monitor System Based on Browser /Server structure in the concrete realization had two innovation points:one was that the system of integral logical structure adopts Browser /Server structure of three-layer system, the other was that in the system software code realization, the page dynamic refresh of real-time monitoring and remote print adopted the Ajax technique. DOI: http://dx.doi.org/10.11591/telkomnika.v11i3.2309
Co-Authors Shanshan Li Yi Zhang