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首页> 外文期刊>WSEAS Transactions on Signal Processing >Improved Resolution Detection of Concealed Object (Rods) using Pisarenko Technique
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Improved Resolution Detection of Concealed Object (Rods) using Pisarenko Technique

机译:使用Pisarenko技术改进的隐蔽物体(杆)的分辨率检测

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摘要

A large number of signal processing problems are concerned with estimating unknown signal parameters from noisy measurements. This Area has drawn much interest and many methods for parameter estimation have appeared in the literature. This paper presents Pisarenko method, a high resolution technique, to model the long wavelength ultrasonic holographic imaging problem. Ultrasonic waves are used for detecting the concealed object. The in-line holography is employed. The performance of the method is compared with the traditional method, Fourier transform method . The technique is investigated for different values of signal to noise ratio(SNR) and synthetic aperture length.
机译:大量的信号处理问题与从噪声测量中估计未知信号参数有关。该领域引起了很多兴趣,并且文献中出现了许多用于参数估计的方法。本文介绍了高分辨率的技术Pisarenko方法,以建模长波长超声全息成像问题。超声波用于检测隐藏物体。使用在线全息照相。将该方法的性能与传统方法傅里叶变换方法进行了比较。研究了该技术的信噪比(SNR)和合成孔径长度的不同值。

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