Derivation and Analysis of Mainlobe to Sidelobe Ratio After Pulse Compression in Noise Continuous Wave Radar

doi:10.3969/j.issn.1000-1093.2012.01.001

Abstract

Abstract: Referring to the problems of parameters selection, sidelobe suppression and Doppler tolerance expansion, the relationships among mainlobe to sidelobe ratio and the pulse compression length, Doppler frequency, signal to noise ratio of the echo and other parameters after the pulse compression in noise continuous wave radar are studied. The mathematical expressions of statistical mainlobe to mean square sidelobe ratio (SMMSSR) and statistical mainlobe to peak sidelobe ratio (SMPSR) are deduced by researching the statistical properties of the sidelobes which constitute a random fluctuant noise floor, respectively. The parameters influencing SMMSSR and SMPSR are analyzed. The correctness of the conclusion is verified by the computer simulation.

Key words: radar engineering, noise continuous wave, pulse compression, Doppler, SNR, mainlobe to sidelobe ratio

CLC Number:

TN957.51

CHENG Yuan-bing， ZHANG Wei， GU Hong， SU Wei-min. Derivation and Analysis of Mainlobe to Sidelobe Ratio After Pulse Compression in Noise Continuous Wave Radar[J]. Acta Armamentarii, 2012, 33(1): 1-6.

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