SNR Improvement of MST Radar Signals Usings Combinational Window Functions
Journal Title: International Journal of Electronics Communication and Computer Technology - Year 2014, Vol 4, Issue 5
Abstract
In this paper the effect of window shape parameter ‘?’ in Combinational window functions on the signal to noise ratio (SNR) values of the Indian Mesosphere-StratosphereTroposphere (MST) radar is computed. The six parts of multibeam observations of the lower atmosphere made by the MST radar are utilized for the analysis of results. Prior to the Fourier transformation, the in-phase and quadrature components of radar echo samples are weighted with proposed windows based on the Combinational Window functions. The effects of data weighting with the change of the window shape parameter ‘?’ of the Combinational Window functions are given in it. It is noted that the increase of variable window shape parameter ‘?’ increases the signal to noise ratio values and a better improvement is reported. For Combinational Window functions are proposed to analyze the MST radar return signals to obtain optimum values of the window shape parameter. The results shows the improvement of signal to noise ratio of noisy data due to the effect of side lobe reduction and demands for the design of the optimal window functions.
Authors and Affiliations
D. Ravi Krishna Reddy| Research Student, Dept.of ECE, S.V.U College of Engineering Tirupati, Andhra Pradesh, India, Dr. B. Anuradha| Professor, Dept.of ECE, S.V.U College of Engineering Tirupati, Andhra Pradesh, India
Keywords
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