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Space-time adaptive processing
2001For a radar onboard flying platforms (aircraft, drone, satellite) the direction-dependant relative velocities to the ground scatterers cause corresponding Doppler frequency shifts of the clutter echoes. Against this broadened clutter spectrum one can apply no common filter, because one would suppress too broad a Doppler frequency range of possible ...
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Space-Time Adaptive Processing
2004This chapter considers a radar with an antenna consisting of several subapertures, or antenna elements; the echoes received by each subaperture are processed using the adaptive matched filter. Such a radar is capable of a certain degree of suppression of jammers, as well as (for an airborne radar) more effective endoclutter MTI. A single-aperture radar
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Parallel algorithms for space-time adaptive processing
Proceedings of 9th International Parallel Processing Symposium, 2002We examine the signal processing problem of space-time adaptive processing (STAP) from a computational point of view. Specifically, we implement an STAP algorithm on the IBM PowerParallel SP1 computer. The two main challenges are solving multiple least squares problems simultaneously and finding an efficient way of implementing multiple computational ...
S.J. Olszanskyj +2 more
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Space-time-range three dimensional adaptive processing
2009 IEEE International Conference on Acoustics, Speech and Signal Processing, 2009Space-time adaptive processing (STAP) is an effective tool for moving target detection. Conventional STAP methodologies process the angular and Doppler two dimensional data vector. In practical applications, adjacent range cells are statistically dependent due to filtering, since the point spreading function of a target is not an ideal delta function ...
null Shengqi Zhu +3 more
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Knowledge-Aided Bayesian Space-Time Adaptive Processing
IEEE Transactions on Aerospace and Electronic Systems, 2018Ground moving target indicator (GMTI) radar processing attempts to distinguish between radar returns emanating from moving targets and stationary ground clutter. The task is confounded by the relative motion between the radar platform and the scene, as well as by the strength of clutter returns. Techniques such as space-time adaptive processing require
Michael Riedl, Lee C. Potter
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Polarimetric Clutter Nulling Space-Time Adaptive Processing
Proceedings of the 2020 4th International Conference on Digital Signal Processing, 2020A polarimetric clutter nulling based space-time adaptive processing approach is presented to weak target detection under short data samples. In the new processor, the signal under test vector is estimated via a modified least square scheme while the clutter subspace is iteratively recovered with a basis selected computationally efficient polarization ...
Kang Zhao +5 more
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Space-time adaptive processing using circular arrays
IEEE Antennas and Propagation Magazine, 2001A direct data-domain (D/sup 3/) least-squares space-time adaptive-processing (STAP) approach is presented for adaptively enhancing radar signals in a non-homogeneous environment of jammers, clutter, and thermal noise, utilizing a circular antenna array. The non-homogeneous environment may consist of non-stationary clutter.
T.K. Sarkar, R. Adve
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Space-Time Adaptive Processing Using Pattern Classification
IEEE Transactions on Signal Processing, 2015Since it was first developed to solve the problem of target detection by moving target indicator (MTI) radars, space-time adaptive processing (STAP) has seen many versions, developed to overcome the shortcomings of the original version. In this paper, we introduce a new method, called Learning-Based Space-Time Adaptive Processing (LBSTAP), in which the
Alaa El Khatib +2 more
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Self-Organizing Adaptive Radar Space-Time Adaptive Processing
2007 IEEE Radar Conference, 2007Self-Organizing Adaptive Radar Space-Time Adaptive Processing (SOAR-STAP) is discussed here. Some investigations have been done on applying SOAR concept to Sigma Delta -STA and D3LS-STAP. The advantages include computation load, sample support, converge rate, etc. SOAR-STAP converges faster than traditional STAP. For same computation time, the response
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Target Detection Using Space Time Adaptive Processing
2019 4th International Conference on Recent Trends on Electronics, Information, Communication & Technology (RTEICT), 2019The radar system uses space time adaptive processing as a type of signal processing technique. STAP uses antenna array with multiple channels to obtain two dimensional filtering. In ground moving target indicator system(GMTI),the echo is received by the radar from the target, these signals received not only contains the reflected echo from the target ...
S. P Chaitra, DK Kumuda
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