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This paper proposes a compressive sampling scheme based on random temporal sampling using a successive approximation register (SAR) ADC architecture. Variable wordlength data samples at random sampling times would be produced by the SAR converter, so a modified reconstruction algorithm is proposed to recover signals that are sparse or compressible in a known basis. The modified reconstruction algorithm...
The delay-sum beamformer (DSBF) is a space-time domain beamforming,method that performs coherent summation of sensor data. However, the computational complexity of finding the steered response over all angles is O(N3). In this paper, an O(N2log2 N) space-time domain beamforming algorithm it is proposed. This fast algorithm does not require uniform sensor spacing. It is called Quadtree Beamformer (QBF)...
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