Mean and Variance of Product Array Response: Application to a Cross-Line Array

Abstract

The mean and variance of the product of the narrowband responses of two arrays steered to the same look direction is evaluated and shown to depend on the complex coherence between the two array outputs. For a cross-line array of perpendicular equi-spaced elements, the stability is much poorer than for a sum array processor, due to the largely uncommon volume of intersection of the two cones of response of each line. When each array is extended to be planar, the degradation in stability is lessened, tending towards the sum array performance as the number of common elements increases.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jan 16, 1984
Accession Number
ADA630722

Entities

People

  • Albert H. Nuttall

Organizations

  • Naval Underwater Systems Center

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Acoustic Signals
  • Arrays
  • Bessel Functions
  • Cross Correlation
  • Data Science
  • Degradation
  • Frequency
  • Information Operations
  • Information Science
  • Linear Arrays
  • Narrowband
  • Random Variables
  • Signal Processing
  • Spectra
  • Statistics
  • Steering
  • Symmetry

Readers

  • Phased Array Antenna Design.
  • Structural Dynamics.
  • Systems Analysis and Design

Technology Areas

  • Space