自适应机载MTI雷达的最小二乘预测变换空时阵列处理

[1992] IEEE Sixth SP Workshop on Statistical Signal and Array Processing Pub Date : 1992-10-07 DOI:10.1109/SSAP.1992.246849

J. Guerci, E. Feria

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引用次数: 0

摘要

提出了一种新的多通道最小二乘预测变换(PT)信号建模方法。该技术的关键是利用从最小二乘PT信号建模中获得的多通道自适应“白化”滤波器在检测之前“预白化”角度-多普勒相关杂波信号。预测和转换机制的协同效应为降低设计和实现的复杂性提供了额外的手段，同时逐渐权衡性能——通过所考虑的应用程序的混乱消除程度来衡量。仿真结果表明，该方法适用于瑞利分布杂波条件下的八元相控阵雷达。

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Least squares predictive transform space-time array processing for adaptive airborne MTI radar

A novel strategy is presented via the application of a multichannel least squares predictive transform (PT) signal modeling procedure. The crux of the technique is the utilization of a multichannel adaptive 'whitening' filter obtained from least squares PT signal modeling to 'pre-whiten' the otherwise angle-Doppler correlated clutter signal prior to detection. The synergistic effect of the prediction and transformation mechanisms provides additional means for reducing both design and implementation complexity while gradually trading off performance-as measured by the degree of clutter cancellation for the application considered. Simulation results demonstrate the utility of the approach in a radar employing an eight element phased array antenna operating in Rayleigh distributed clutter.<>

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[1992] IEEE Sixth SP Workshop on Statistical Signal and Array Processing

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