Berndt, Robert JNel, Willem AJAbdul Gaffar, MYO’Hagan, D2022-02-112022-02-112021-12Berndt, R.J., Nel, W.A., Abdul Gaffar, M. & O’Hagan, D 2021. Probability of helicopter blade flash interception in search radar. <i>IEEE Transactions on Aerospace and Electronic Systems.</i> http://hdl.handle.net/10204/122660018-92511557-9603DOI: 10.1109/TAES.2021.3137134http://hdl.handle.net/10204/12266Helicopter main rotor blade flashes in radar measurements are an oft-used feature for target classification. While focus is often placed on being able to detect them, little attention has been given to what is required to ensure that they are reliably and persistently intercepted. Using mathematical analysis and simulation, this paper explores the probability of helicopter blade flash interception in search radar. The effects of radar antenna azimuth beamwidth, scan rate, and waveform on the average probability of intercept for two-bladed helicopter blade flashes (a worst-case scenario) are examined. The results presented provide an upper bound on achievable flash detection performance and can be used to understand and optimize the performance of helicopter classification modes.FulltextenProbability of InterceptPoIHelicopter blade flashNon-cooperative Target RecognitionNCTRMathematical modelsRadar cross-sectionsRadar antennasArticleBerndt, R. J., Nel, W. A., Abdul Gaffar, M., & O’Hagan, D (2021). Probability of helicopter blade flash interception in search radar. <i>IEEE Transactions on Aerospace and Electronic Systems</i>, http://hdl.handle.net/10204/12266Berndt, Robert J, Willem AJ Nel, MY Abdul Gaffar, and O’Hagan, D "Probability of helicopter blade flash interception in search radar." <i>IEEE Transactions on Aerospace and Electronic Systems</i> (2021) http://hdl.handle.net/10204/12266Berndt RJ, Nel WA, Abdul Gaffar M, O’Hagan, D. Probability of helicopter blade flash interception in search radar. IEEE Transactions on Aerospace and Electronic Systems. 2021; http://hdl.handle.net/10204/12266.TY - Article AU - Berndt, Robert J AU - Nel, Willem AJ AU - Abdul Gaffar, MY AU - O’Hagan, D AB - Helicopter main rotor blade flashes in radar measurements are an oft-used feature for target classification. While focus is often placed on being able to detect them, little attention has been given to what is required to ensure that they are reliably and persistently intercepted. Using mathematical analysis and simulation, this paper explores the probability of helicopter blade flash interception in search radar. The effects of radar antenna azimuth beamwidth, scan rate, and waveform on the average probability of intercept for two-bladed helicopter blade flashes (a worst-case scenario) are examined. The results presented provide an upper bound on achievable flash detection performance and can be used to understand and optimize the performance of helicopter classification modes. DA - 2021-12 DB - ResearchSpace DP - CSIR J1 - IEEE Transactions on Aerospace and Electronic Systems KW - Probability of Intercept KW - PoI KW - Helicopter blade flash KW - Non-cooperative Target Recognition KW - NCTR KW - Mathematical models KW - Radar cross-sections KW - Radar antennas LK - https://researchspace.csir.co.za PY - 2021 SM - 0018-9251 SM - 1557-9603 T1 - Probability of helicopter blade flash interception in search radar TI - Probability of helicopter blade flash interception in search radar UR - http://hdl.handle.net/10204/12266 ER -25373