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Research of Co-site Interference Prediction Based on BER Analysis

Author: ZhouPing
Tutor: QiuYang
School: Xi'an University of Electronic Science and Technology
Course: Measuring Technology and Instruments
Keywords: Total Access Interference Four screening BER EMC forecast Interference suppression
CLC: TN03
Type: Master's thesis
Year: 2010
Downloads: 74
Quote: 1
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Abstract


With the continuous development of large-scale systems and applications , systems , electromagnetic compatibility design more and more people are concerned about . Total access interference is the major factor in system electromagnetic compatibility , its prediction is an important prerequisite and guarantee for prevention and interference suppression system electromagnetic compatibility design . Existing co-located interference prediction methods are many , one of the most widely used is the signal-to-noise ratio as interference criterion indicators of four screening method for analog system will get more accurate prediction results , but it does not apply the digital system to judge the quality of the signal on a BER . Not yet have a complete and accurate forecasting method for the co-location of the digital system interference . This paper proposed a digital system based on the analysis of the BER co-located interference prediction method . Applied first system-level electromagnetic compatibility prediction theory co-located interference problems for digital systems using MATLAB SIMULINK platform simulation model of the co-location of the multi-channel digital system interference , interference prediction analysis , and based on this method of co-located interference suppression measures . Then , according to the system-level electromagnetic compatibility prediction to the ideological construct a system co-located interference prediction software joint analysis based on the degree of coupling , the signal energy and the error rate of the overall framework and of some of the features of the software . Electromagnetic compatibility prediction co-located interference in digital systems , and solve the problem of the lack of applicable electromagnetic compatibility prediction method for digital systems co-located interference . Through the theoretical simulation and experimental results show that the digital system interference prediction interference prediction method based on the co-location of the error rate analysis , you can get a very accurate predictor for system EMC design theory and engineering guidance .

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