adaptive array signal processing
Adaptive Antenna Array Approach in the Processing of Weakest GPS Signal in Satellite Communication Applications
... the signal. However, problem occurs during the absence of signal or very low signal, which may be caused by various geophysical and technical ...wave signal that is being radiated from one of ...
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Array signal processing algorithms for localization and equalization in complex acoustic channels
... context, adaptive equalization methods are well suited for the general problem of equalizing a spatial region, but require a large number of loudspeakers [13, 51] for a region of an appreciable ...for ...
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White noise reduction for wideband linear array signal processing
... of array signals and the new set of array signals after the proposed preprocessing, the latter one will be equivalent to a kind of LCMV beamformer but with much longer TDLs, and hence the improved ...
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An improved direction of arrival (DOA) estimation algorithm and beam formation algorithm for smart antenna system in multipath environment
... years, adaptive or smart antennas have become a key component for various wireless applications such as radar, sonar and 4G cellular mobile ...in array signal processing is one of the ...
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White Noise Reduction for Wideband Linear Array Signal Processing
... of array signals and the new set of array signals after the proposed preprocessing, the latter one will be equivalent to a kind of LCMV beamformer but with much longer TDLs, and hence the improved ...
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Evolutionary Adaptive Discovery of Phased Array Sensor Signal Identification
... of array elements is completed by individually exciting each element and record- ing the time series response from all of the ...post processing of ...
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Subband Adaptive Array for DS CDMA Mobile Radio
... of adaptive ar- ray antenna, multipath combining capability is gained thanks to the use of subband signal ...conventional adaptive array performs only spatial pro- cessing (narrow-band ...
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An Improved MUSIC DOA Estimation Algorithm for Wireless Communication
... digital signal processing ...the signal and it also reduce the intervention in the direction of not interest ...digital signal algorithms. Basically in adaptive array smart ...
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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) ...output ...
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Blind Channel Equalization Using Adaptive Signal Processing Algorithms
... an adaptive algorithm which incorporates an iterative procedure that makes successive corrections to the weight vector in the direction of the negative of the gradient vector which eventually leads to the minimum ...
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DOA estimation, antenna arrays, array signal processing.
... integer multiple of the sampling time; additional interpolation filtering is required to emulate their delay. The weighted sum of samples of all sensors forms the array output. To estimate the DOA of wideband ...
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Subband Array Implementations for Space Time Adaptive Processing
... convergence and reduce the performance loss in localized feedback schemes [7, 21, 25, 26]. To achieve effective decor- relation between subband signals, the analysis filters are re- quired to be close to the ideal ...
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To the theory of adaptive signal processing in systems with centrally symmetric receive channels
... many signal processing contexts: for radar applications [9, 11–17], for “superresolving” dir- ection of arrival (DOA) estimation [7, 12, 18, 19], for multichannel communication systems [10], feature en- ...
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Reduced dimension space time adaptive processing based on angle Doppler correlation coefficient
... We illustrate the relationship between the output SINR loss and the number of freedom with a fixed testing Doppler channel 4, i.e., the normalized Doppler frequency is 3/16. The results, shown in Fig. 5, compare the ...
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Robust adaptive monopulse algorithm based on main lobe constraints and subspace tracking
... monopulse processing period, and the angle measurements in each processing period are averaged to achieve a steady ...monopulse processing period is a short period, the tar- get angle can be regarded ...
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Modification of Sidelobe Canceller System In Planar Arrays (RESEARCH NOTE)
... were commonly neglected. This was justified by the usually valid assumption that the pulse signals reflected from targets of interest in the main beam were of sufficiently low power and/or duration that the control ...
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Two variants of the IIR spline adaptive filter for combating impulsive noise
... spline adaptive filter (SAF) is appealing for modeling nonlinear systems with good performance and low computational ...M-estimate adaptive filtering algorithm based on infinite impulse respomse (IIR) ...
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Fast implementation for modified adaptive multi pulse compression
... In this paper, we propose a modified adaptive multi- pulse compression (MAMPC) algorithm to obtain both good estimation performance and small amount of cal- culations. Unlike [21], we also consider clutter ...
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Adaptive digital signal processing Java teaching tool
... of adaptive digital signal processing (DSP) algorithms and ...techniques. Adaptive DSP is on of the most important areas of signal processsing, and provides the core algorithmic means ...
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Enhanced "vector-cross-product" direction-finding using a constrained sparse triangular-array
... For the 2D elevation-azimuth angle estimation, two phase-factors are necessary. Therefore, a constrained sparse triangular-array is proposed in this article. The triangular-array consists of a dipole-triad, ...
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