Accession Number:

AD0744486

Title:

Human Factors Requirements for Electronic Displays: Effects of S/N Ratio and TV Lines Over Target,

Descriptive Note:

Corporate Author:

MCDONNELL AIRCRAFT CO ST LOUIS MO RECONNAISSANCE LAB

Report Date:

1970-01-19

Pagination or Media Count:

53.0

Abstract:

The study was performed as part of a McDonnell Aircraft Company Reconnaissance Laboratory program to determine the observer requirements for effective utilization of electronic reconnaissance displays. The approach was to evaluate the display characteristics, identify their contributions to observer performance and analyze them to identify the variables which are the effective stimuli operating at the observer-display interface to control observer performance. Display characteristics studied were signal to noise SN ratio and TV lines over target. Twelve subjects viewed a high-fidelity reconnaissance TV display which simulated real time operations. Images having an average of 6, 9, and 11 TV lines over the target successively appeared at SN ratios of 4, 8, 16, 32, 64 and 100 to 1. The observer located discrete targets with one of three levels of response certainty detection, recognition or identification. Author

Subject Categories:

  • Human Factors Engineering and Man Machine Systems
  • Non-Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE