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time-space adaptive algorithm

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

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

... (MVDR) algorithm is one of the popular approaches, which minimizes the array output power while maintains a distortionless mainlobe response ...[3]. Space-time averaging techniques and rotation ...

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UCA-NW Algorithm for Space-Time Antijamming

UCA-NW Algorithm for Space-Time Antijamming

... null-widen algorithm based on the normal distribution model under uniform circular array to improve the performance of conventional space-time adaptive anti-jamming algorithms when the ...

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Adaptive MBER space time DFE assisted multiuser detection for SDMA systems

Adaptive MBER space time DFE assisted multiuser detection for SDMA systems

... gorithmic parameters that have to be set appropriately. Specifically, they are chosen to ensure adequate performance in terms of both the achievable convergence rate and steady-state BER misadjust- ment. Note that there ...

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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

... Recently, a nonlinear adaptive spatial beamforming technique using HOS performed on nested array has been described in [22]. This proposed scheme implemented beamforming with respect to signal powers instead of ...

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MWF-NW Algorithm for Space-Time Antijamming

MWF-NW Algorithm for Space-Time Antijamming

... This algorithm adopts samples section method to avoid the influence of weights calculation and can gain good performance in both of narrow band and wideband interference signals ...the algorithm, a ...

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Space Time Block Coded Adaptive Modulation Aided OFDM

Space Time Block Coded Adaptive Modulation Aided OFDM

... In this section, we employ the fixed threshold based AOFDM mo- dem mode selection algorithm, which was also used in [6,7], adapt- ing the technique proposed by Torrance [11] for serial modems. Torrance assumed ...

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AN ADAPTIVE MEAN-SHIFT ALGORITHM FOR MRI BRAIN SEGMENTATION

AN ADAPTIVE MEAN-SHIFT ALGORITHM FOR MRI BRAIN SEGMENTATION

... is time consuming and it is very hard to do accurate ...feature space with high ...(K-means algorithm, C-means algorithm, E-means algorithm, Adaptive Mean Shift ...

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Space-Time Adaptive Processing Based on Weighted Regularized Sparse Recovery

Space-Time Adaptive Processing Based on Weighted Regularized Sparse Recovery

... D3SR-STAP algorithm belong to a class of deterministic methods, which operate on a snapshot-by-snapshot basis to determine the adaptive weights ...D3SR-STAP algorithm, a deterministic method provides ...

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A New Adaptive Tracking Algorithm for Near-Space Hypersonic Target

A New Adaptive Tracking Algorithm for Near-Space Hypersonic Target

... near space hypersonic targets (NSHT) [1–3] developed by the ...tracking algorithm of ...for space targets and ballistic targets ...piecewise adaptive jerk tracking model of NSHT is ...new ...

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An Adaptive Cauchy Differential Evolution Algorithm with Bias Strategy Adaptation Mechanism for Global Numerical Optimization

An Adaptive Cauchy Differential Evolution Algorithm with Bias Strategy Adaptation Mechanism for Global Numerical Optimization

... values is huge. Although the DE contains few control parameters, the combination of the values of control parameters is infinite. Moreover, there are many mutation strategies which contain different optimization ...

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Space–time adaptive hierarchical model reduction for parabolic equations

Space–time adaptive hierarchical model reduction for parabolic equations

... automatic algorithm to select the reduced model, that guarantees the desired accuracy on the functional of inter- ...global adaptive procedure are very satisfying, despite the complex interplay among the ...

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Subband Array Implementations for Space Time Adaptive Processing

Subband Array Implementations for Space Time Adaptive Processing

... In this section, we consider the convergence performance of the subband arrays. The LMS algorithm is used. To take the advantages of subband array processing for improved con- vergence, we perform ...

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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 ...

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Space Time Trellis and Space Time Block Coding Versus Adaptive Modulation and Coding Aided OFDM for Wideband Channels

Space Time Trellis and Space Time Block Coding Versus Adaptive Modulation and Coding Aided OFDM for Wideband Channels

... and Space-Time Coded Adaptive OFDM: In the previous section, we have discussed the performance of space- time coded adaptive ...the space-time coded AOFDM scheme in ...

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TSI Finders for Estimation of the Location of an Interference Source Using an Ariborne Array

TSI Finders for Estimation of the Location of an Interference Source Using an Ariborne Array

... An algorithm based on space fast time adaptive processing to estimate the physical location of an interference source closely asso- ciated with a physical object and enhancing the detection ...

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A Comparative Study and Analysis on the Performance of the Algorithms

A Comparative Study and Analysis on the Performance of the Algorithms

... /get time() is the function which returns the current system ...calculate time taken by a function or an Algorithm , we can use clock() or get Time() function which is available in ...get ...

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A New Method on Modularity Gain Derivation and Enhanced LM

A New Method on Modularity Gain Derivation and Enhanced LM

... strategy algorithm[13,14], hierarchical clustering[15,16], and the integration of multiple strategies[17-19](greedy strategy, local optimization, hierarchical clustering, ...

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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

... extended the MHD equations to the so called ∇ · B-waves by adding new source terms proportional to ∇ · B . A very interesting approach have been introduced by Assous et al. [ 10 ] in the context of the Maxwell equations ...

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Adaptive Speech Enhancement Technique using Time Variable LMS Algorithm

Adaptive Speech Enhancement Technique using Time Variable LMS Algorithm

... sub-band adaptive filters is drawn by reducing the mean-square separation among the minimal weight vector and guessed weight vector at every point can efficiently find the movable ...the adaptive filter to ...

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Adaptive Switching between Space Time and Space Frequency Block Coded OFDM Systems in Rayleigh Fading Channel

Adaptive Switching between Space Time and Space Frequency Block Coded OFDM Systems in Rayleigh Fading Channel

... with Space-Frequency Block Coding (SFBC) in a Multi Carrier system, such as ...symbol time but from dif- ferent antennas and over various sub carriers ...

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