高兴一回
发表于 2025-3-25 06:40:03
Constrained systems: numerical methods these idealized models the optimized array response patterns are computed and will be shown for various doppler frequency cells, platform velocities and sea state conditions..Next the physical transducer is measured and the actual performance of adaptive beamforming, taking into account the transdu
Keratectomy
发表于 2025-3-25 10:21:37
Variational and energy principles use of MTI clutter suppression filters at the subarray outputs, prior to adaptation, was investigated. No significant improvement was observed with the use of these filters on experimental data. Finally, it was shown that the presence of fading nulls can significantly affect the determination of op
下垂
发表于 2025-3-25 12:29:50
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AMITY
发表于 2025-3-25 17:27:53
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健谈
发表于 2025-3-25 22:52:49
The Effects of Signal and Weight Coefficient Quantisation in Adaptive Array Processorsng all-digital processing in which the input hydrophone data is digitised by A/D converters, which introduce random quantisation errors into the signal channels. The second quite separate problem arises when the weight coefficients in an adaptive array processor are quantised, such as would occur in
阴险
发表于 2025-3-26 01:49:38
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chisel
发表于 2025-3-26 05:51:35
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gangrene
发表于 2025-3-26 10:44:26
Separation and Representation of Sources and Signals by a Linear Antenna the antenna receives monochromatic coherent signals, this function can be performed rather easily, a lot of Fourier transforms is used so as to reconstruct the pattern oft concentric spheres surrounding the antenna; the operation is well-known as acoustic holography.
滔滔不绝地讲
发表于 2025-3-26 16:06:53
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敲竹杠
发表于 2025-3-26 19:28:51
A Constrained Adaptive Beamformer Tolerant of Array Gain and Phase Errorsethod consists of setting certain of the adaptive parameters of a conventional adaptive beamformer to zero. It provides a means of rejecting large signals incident on the side lobes of an antenna array while preserving small broadband and narrowband and large broadband signals incident in the steeri