On the false alarm probability for an overlapped FFT processor

被引：26

作者：

Maranda, BH

机构：

[1] Def. Research Establishment Atlantic, Dartmouth, NS B2Y 3Z7

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 1996年 / 32卷 / 04期

关键词：

D O I：

10.1109/7.543866

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

A standard processor for detecting narrowband signals in noise applies the fast Fourier transform (FFT) to overlapped data blocks, and then suns the squared magnitudes of the bins from successive FFTs. The overlap of the data blocks causes these bins to be correlated, even when the noise is white. A simple expression is derived for the probability of false alarm when the covariance matrix of the FFT bins is tridiagonal.

引用

页码：1452 / 1456

页数：5

共 9 条

[1]

[Anonymous], 1980, Gos. Izd-vo Fiz.-Mat. Literatury

[2] CALCULATING DETECTION PROBABILITIES FOR SYSTEMS EMPLOYING NONCOHERENT INTEGRATION [J].