Time domain implementations of the coherent signal-subspace transformations

S. Sivanand, Jar-Ferr Yang, M. Kaveh

研究成果: Conference article同行評審

1 引文 斯高帕斯(Scopus)

摘要

The authors propose CST (coherent signal-subspace transformation) preprocessors as time domain equivalents of the frequency domain based preprocessing in the coherent signal-subspace method for wideband direction finding in a possible multipath environment using general arrays. The preprocessor consisted of multichannel filters following the sensor array and were able to render real-time capability. The authors introduce two approaches to implementing the focusing in the time domain, based on the principles of Taylor series expansion and least squared error. The time domain preprocessor is realized by a multichannel digital FIR (finite impulse response) filter, thus rendering real-time application. For diagonal transformations, the problem reduces to implementing different delays at each sensor by suitable tapped delay lines. Various tapped delay line filters are proposed, and an error analysis is detailed.

原文English
頁(從 - 到)573-577
頁數5
期刊Conference Record - Asilomar Conference on Circuits, Systems & Computers
2
出版狀態Published - 1988 十二月 1
事件v 1 (of 2) - Pacific Grove, CA, USA
持續時間: 1988 十月 311988 十一月 2

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

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