Accession Number:

ADA023503

Title:

An Analysis of Radio Frequency Surveillance Systems for Air Traffic Control. Volume I. Text

Descriptive Note:

Final rept. Sep 1974-May 1975

Corporate Author:

TRANSPORTATION SYSTEMS CENTER CAMBRIDGE MA

Personal Author(s):

Report Date:

1976-02-01

Pagination or Media Count:

224.0

Abstract:

Performance criteria that afford quantitative evaluation of a variety of current and proposed configurations of the Air Traffic Control Radar Beacon System ATCRBS are described in detail. Two analytic system models are developed to allow application of these performance criteria. A simple system model, based on the assumption of a flat earth, enables closed-form analytic expressions for some of the performance criteria to be developed for a wide range of desired areas of coverage. An extremely accurate complex system model provides a tool for simulation of operating characteristics that would be observed in the course of actual flight tests. The complex model includes a new solution for the grazing angle of radiation over a spherical earth that is shown to be more accurate than the commonly-used solution of Fishback. Applications and limitations of both models in the evaluation of four new ATCRBS antennas and of the proposed receiver side-lobe suppression feature are discussed. Both numerical results and a computer-generated representation of an air traffic controllers display are presented. Author

Subject Categories:

  • Air Navigation and Guidance
  • Active and Passive Radar Detection and Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE