Results 281 to 290 of about 93,870 (317)
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Analysis of radar detection performance for low altitude small target
2016 International Conference on Communication and Signal Processing (ICCSP), 2016Radar usually employs several signal processing methods successively for detection. Each processing step influences the radar detection performance. Thus, analysis of the radar detection performance considering the complete signal processing flow provides significant reference for radar detector design.
Qi-xiang Fu +3 more
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Tracking Swerling fluctuating targets at low altitude over the sea
IEEE Transactions on Aerospace and Electronic Systems, 1991Accurate tracking of targets flying at low altitudes above a smooth surface is difficult because of the surface reflection. The authors propose a solution based on deterministic physical modeling of the specular multipath and the maximum likelihood (ML) method.
E. Bosse, R.M. Turner, M. Lecours
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Low-altitude target detection by coastline operated marine radar
IEEE Transactions on Aerospace and Electronic Systems, 1992Relevant to a Richian family of fluctuating targets with a composite background of sea-plus-land clutter, the performance prediction of a radar operating in near-coastal regions is elucidated by assuming noncoherent integration of the pulses. Considering the dominance of land clutter, a modified K-distributed statistic is indicated for the overall ...
P.S. Neelakanta, D. DeGroff, R. Sudhakar
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A Novel Rapid Localization Method of Magnetic Anomaly Targets for Low-Altitude Detection
IEEE Transactions on Instrumentation and MeasurementFan Yang, Yihan Tian, wanyue zhang
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Taking account of the sea state in the tracking of targets at low altitude
Proceedings of Canadian Conference on Electrical and Computer Engineering CCECE-94, 1994The authors use the refined maximum likelihood technique with a new approach in conjunction with FDPEM software to simulate the radar echoes of the target, while using ray-tracing as propagation model. FDPEM uses a finite difference method to solve the parabolic equation in order to simulate the wave propagation in space and considers the effect ...
null Blanchet, null Lecours, null Turner
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Research on the OFDM Passive Radar System for Low-Altitude Target Detection
2018Detection of low-altitude targets such as Unmanned Aerial Vehicles (UAVs) has practical implications on aviation regulation. In order to achieve a low cost-benefit ratio, a passive radar system based on the OFDM communication signal is applied to study the echo processing methods.
Xiaoqi Yang 0002 +3 more
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On exploring SVDSPM algorithm for more accurate DOA estimation of low altitude target
2010 International Conference on Wireless Communications & Signal Processing (WCSP), 2010There exits SVDSPM (Singular Value Decomposition based on Signal Phase Matching Principle) algorithm for direction of arrival (DOA) estimation. Our aim is to present a different SVDSPM algorithm for more accurate estimation of low altitude target. So a void reference sensor is used to explore the possibility of better performance.
Hui Xiao, Jun Yuan
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Spatial and temporal features selection for low-altitude target detection
Aerospace Science and Technology, 2015Abstract Target detection in plane position indicator (PPI) radar images aims at separating moving targets from complicated background image. Background subtraction is a powerful mechanism for such applications. Since there is still much clutter left in the foreground image after background subtraction, an optimal classification plane (OCP) should be
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Estimation of low-altitude moving target trajectory using single acoustic array
The Journal of the Acoustical Society of America, 2016An acoustic-signature based method of estimating the flight trajectory of low-altitude flying aircraft that only requires a stationary microphone array is proposed. This method leverages the Doppler shifts of engine sound to estimate the closest point of approach distance, time, and speed.
Jianfei, Tong +5 more
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Radar Polarization Diversity Technology for Low-altitude Targets
2021 CIE International Conference on Radar (Radar), 2021Mengqi Zhang +4 more
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