نتایج جستجو برای: time adaptive processing

تعداد نتایج: 2408455  

2005
Michael C. Wicks P. Antonik W. Baldygo C. Capraro G. Capraro

2007
Wolfram Bürger

In this lecture, we present the principles of space-time adaptive processing (STAP) for radar, applied to moving target indication. We discuss the properties of optimum STAP, as well as problems associated with estimating the adaptive weights not encountered with spatial-only processing (i.e. beamforming).

2007
Wolfram Bürger

In this lecture, we present some suboptimum STAP algorithms for radar, applied to moving target indication. In addition, we show some MTI results obtained with the multi-channel airborne experimental radar AER-II of FGAN-FHR.

Journal: :EURASIP J. Adv. Sig. Proc. 2006
Fabian D. Lapierre Jacques G. Verly Braham Himed Richard Klemm Marc Lesturgie

Space-time adaptive processing (STAP) is a signal processing technique that was originally developed for detecting slow-moving targets using airborne radars. The general principle of STAP is as follows. The radar transmits a train of M coherent pulses. The echoes from potential targets (and clutter) are collected at each of the N elements of an antenna array. Separate receiver chains are attach...

1998
Yaron Seliktar Douglas B. Williams

In this paper, a new unsupervised algorithm for automatic retinal blood vessel extraction is presented. A pre-processing step is introduced to eliminating optic disk and back ground noise. Blood vessel highlighting is prepared by a new method inspired by simple cells in human visual system. An adaptive threshold is introduced as an activation function of simple cells. Post-processing step is us...

H. Rabbani-Zadeh, S.R. Sabbagh-Yazdi, T. Amiri,

In this research, an efficient Galerkin Finite Volume Method (GFVM) along with the h–refinement adaptive process and post–processing error estimation analysis is presented for fracture analysis. The adaptive strategy is used to produce more accurate solution with the least computational cost. To investigate the accuracy and efficiency of the developed model, the GFVM is compared with two versio...

E. Darvishan, S. B. Beheshti Aval, V. Ahmadian,

Although traditional signal-based structural health monitoring algorithms have been successfully employed for small structures, their application for large and complex bridges has been challenging due to non-stationary signal characteristics with a high level of noise. In this paper, a promising damage detection algorithm is proposed by incorporation of adaptive signal processing and Artificial...

Journal: :IEEE Transactions on Aerospace and Electronic Systems 2018

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