THEORETICAL PERFORMANCE OF A COMPLEX CROSS-CORRELATOR WITH GAUSSIAN SIGNALS

被引：10
|
作者：
MILNE, K
机构：
来源：
IEE PROCEEDINGS-F RADAR AND SIGNAL PROCESSING | 1993年 / 140卷 / 01期
关键词：
CROSS CORRELATOR; GAUSSIAN SIGNAL; PROBABILITY DENSITY FUNCTION;
D O I：
10.1049/ip-f-2.1993.0011
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Analytical expressions are obtained for the joint probability density function (PDF) of the in-phase (X) and quadrature (Y) output signals of a complex cross-correlator when the inputs are narrowband partially-correlated Gaussian signals. The PDF and cumulative distribution function (CDF) for the modulus (X2 + Y2)1/2 are then derived, and applied to the problem of detecting a Gaussian noise jammer in the presence of uncorrelated Gaussian noise. Results are presented in the form of curves showing the value of input correlation coefficient required to achieve a specified detection probability versus the number of samples integrated, for various false alarm probabilities.
引用
收藏
页码：81 / 88
页数：8
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