Speeding of clutter spatial filtering in a radar with adaptive phased array
R. P. Bystrov 1,
A. V. Novikov 2,
V. L. Rumiantsev
2
1
Kotel′nikov Institute of Radio-engineering and Electronics of RAS
2
JSC CDBAE
The paper is received on October 30, 2014
Abstract. The problem of clutter
spatial filtering in a radar with an adaptive phased array was considered. The
main quality criteria of spatial filter operation and direct computation methods
for the optimal weight vector were determined. A variant was suggested for
speeding the interference immunity system on the basis of an adaptive phased
array at the expense of grid filtering algorithm improvement taking into account
the persymmetric property of the sample correlation matrix of interference signals
which allows to parallelize identical operations in forming the adaptation vector.
Key words: adaptive phased array,
adaptive grid, spatial filtering, antenna pattern, correlation matrix, weight
vector.