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space time adaptive

A Virtual Space-Time Adaptive Beamforming Method for Space-Time Antijamming

A Virtual Space-Time Adaptive Beamforming Method for Space-Time Antijamming

... The space-time beamformer contains two adaptive filters, ...on space-time antijamming problem presented in the literature require multiple antennas and delay ...virtual ...

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Subband Array Implementations for Space Time Adaptive Processing

Subband Array Implementations for Space Time Adaptive Processing

... CCI, space-time adaptive processing (STAP) has been shown to be effective in perform- ing spatio-temporal equalization, leading to increased communication capacity as well as improved quality of ...

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Research on Space-Time Adaptive Processing with Respect to the Signal Powers

Research on Space-Time Adaptive Processing with Respect to the Signal Powers

... Space-time adaptive processing (STAP) [1–4] is a crucial technique of clutter suppression and target detection for airborne/spaceborne moving target indicator (MTI) ...dimensional ...

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FPGA Implementation of Space-Time Adaptive Processing (STAP) Algorithm for Target Detection in Passive Radars

FPGA Implementation of Space-Time Adaptive Processing (STAP) Algorithm for Target Detection in Passive Radars

... Abstract—Space-Time Adaptive Processing (STAP) algorithm has recently been used in Passive Bi-static Radars (PBR) because it removes the clutter and non-cooperative transmitter effectively making the ...

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Space–time adaptive hierarchical model reduction for parabolic equations

Space–time adaptive hierarchical model reduction for parabolic equations

... The spacetime adaptive HiMod lookup diagram yielded by the adaptive procedure is shown in ...the time step now occur (see ...the time window corresponds to the phase when the ...

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Space-Time Adaptive Processing Based on Weighted Regularized Sparse Recovery

Space-Time Adaptive Processing Based on Weighted Regularized Sparse Recovery

... By performing a joint-domain optimization of the spatial and temporal degrees-of-freedom (DOFs), space-time adaptive processing (STAP) can improve small target detection in strong ground clutter ...

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Robust Space Time Adaptive Processing in Heterogeneous Environment

Robust Space Time Adaptive Processing in Heterogeneous Environment

... Airborne phased array radar is widely used in field observations to detect moving targets, while complex interference decreases its performance [1]. Space-time adaptive processing (STAP) is adopted ...

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Reduced dimension space time adaptive processing based on angle Doppler correlation coefficient

Reduced dimension space time adaptive processing based on angle Doppler correlation coefficient

... Space-time adaptive processing (STAP) plays an impor- tant role in the areas of airborne radar and sonar systems, which collect signals linearly from an array to detect weak targets within severe ...

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Parallel in space time, adaptive finite element framework for non linear parabolic equations

Parallel in space time, adaptive finite element framework for non linear parabolic equations

... an adaptive methodology for the solution of (linear and) nonlinear time dependent problems that is especially tailored for massively parallel ...of space-time unknowns instead of marching ...

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Discontinuous Galerkin methods for compressible and incompressible flows on space-time adaptive meshes

Discontinuous Galerkin methods for compressible and incompressible flows on space-time adaptive meshes

... previous time step is scattered onto cell averages on a suitable sub-grid in order to preserve the natural sub-cell resolution of the DG ...dynamic adaptive mesh refinement (AMR) and adap- tive polynomial ...

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On space–time adaptive schemes for the   numerical solution of PDEs

On space–time adaptive schemes for the numerical solution of PDEs

... Some emerge from ad hoc criteria, others are based on more sophisticated a posteriori error estimators using control strategies by solving adjoint problems [4,28]. Berger and Oliger [5] introduced adaptive mesh ...

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An Adaptive Reduced Rank STAP Selection with Staggered Prf, Effect of Array Dimensionality

An Adaptive Reduced Rank STAP Selection with Staggered Prf, Effect of Array Dimensionality

... optimal space-time processing, reduced-rank methods are used (Figure ...the space time adaptive processing and the reduced rank adaptive processing on the airborne radar and the ...

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Mainlobe Jammer Nulling via TSI Finders: A Space Fast-Time Adaptive Processor

Mainlobe Jammer Nulling via TSI Finders: A Space Fast-Time Adaptive Processor

... as adaptive sidelobe cancelling or space-time adaptive processing (as in space slow-time adap- tive processing) can successfully suppress the sidelobe jam- mers, where the ...

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Adaptive space time equalisation for multiple antenna assisted multiple input multiple output systems

Adaptive space time equalisation for multiple antenna assisted multiple input multiple output systems

... LBER adaptive STE based MUDs were investi- gated in simulation, and the BERs of the both LMS and LBER MUDs, after training convergence and averaging over 30 runs, are compared in ...the adaptive LBER ...

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Adaptive generalized space shift keying

Adaptive generalized space shift keying

... Motivated by the small amount of previous work related to feedback-based SSK/GSSK systems that offer transmit- diversity gains, we propose a feedback-based precoding technique, which is shown to enhance significantly the ...

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Adaptive WENO Schemes for Singular in Space and Time Solutions of Nonlinear Degenerate Reaction-Diffusion Problems

Adaptive WENO Schemes for Singular in Space and Time Solutions of Nonlinear Degenerate Reaction-Diffusion Problems

... Total blow-up. In figure 1, right, the evolution of the self-similar function θ(ξ), found numerically as a solution of the self-similar problem (5), (6) for β = 2.4 < σ + 1 = 3, is shown. The method for solving the ...

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Near Instantaneously Adaptive Cooperative Schemes based on Space Time Block Codes and V BLAST

Near Instantaneously Adaptive Cooperative Schemes based on Space Time Block Codes and V BLAST

... two adaptive schemes for improving the achievable throughput of cooperative diver- sity aided wireless ...multilayered space-time block code (MLSTBC) struc- ...second adaptive scheme is ...

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Space-Time Coding and Space-Time Channel Modelling for Wireless Communications

Space-Time Coding and Space-Time Channel Modelling for Wireless Communications

... of space-time coded multiple- input multiple output (MIMO) systems is significantly reduced due to non-ideal antenna placement and non-isotropic ...non-coherent space-time ...of ...

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Adaptive Modulation Performance In Mimo-OSTBC Over Rayleigh Fading Channel

Adaptive Modulation Performance In Mimo-OSTBC Over Rayleigh Fading Channel

... of adaptive modulation with multiple input multiple output orthogonal space time block coding MIMO-OS TBC over frequency selective Rayleigh fading channel using Bit Error Rate (BER) and spectral ...

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On the Metric of Space Time

On the Metric of Space Time

... The analyses in the previous pages establish that ob- served shifts in the wavelengths of stellar radiations may well imply a relation of frequency shifts to recessionary velocities and peculiar velocities fundamentally ...

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