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Subsampling in Reducing Leakage Signal Effect

Authors: Kichigin A.A., Yurenev A.V.  Published: 09.02.2018
Published in issue: #1(118)/2018  
DOI: 10.18698/0236-3933-2018-1-21-30

 
Category: Instrument Engineering, Metrology, Information-Measuring Instruments and Systems | Chapter: Telecommunication Systems, Networks and Devices  
Keywords: linear frequency modulation, transmit-receive module, mathematical simulation, antenna cross talk, analog-to-digital conversion, Doppler frequency shift, radio engineering

The research deals with the short range radiolocation system using a LFM signal. The paper describes the structure of the input signal of resultant difference. Within the research we developed a signal processing algorithm that reduces the leakage signal effect in a small-sizetransmit-receive module. The algorithm is based on subsampling of the input signal by means of ADC. As a result, we formulated requirements for the system and ADC for this algorithm to be implemented. Finally, we checked the algorithm functionality and showed its possible upgrading options to improve noise characteristics of the system

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