Accession Number:

ADA066830

Title:

Determination of Ship Course and Speed from Transmitted Signal Frequency. Addendum.

Descriptive Note:

Technical note,

Corporate Author:

TRACOR INC SAN DIEGO CALIF

Personal Author(s):

• Mueller,Richard A.

Report Date:

1967-04-24

Pagination or Media Count:

13.0

Abstract:

This report supplements TRACOR Report No. SD-67-0007-C, Determination of Ship Course and Speed from Transmitted Signal Frequency, dated 22 March 1967. The work of that report is extended here to cover the following two additional cases surface vessel transmitting with full-doppler nullification but with broad beams instead of narrow and surface vessel transmitting with half-doppler nullification and submarine utilizing side-lobe frequency information.

Descriptors:

• *SONAR SIGNALS
• *ACOUSTIC COUNTERMEASURES
• *ACOUSTIC INTELLIGENCE
• *SONAR RECEPTION
• VELOCITY
• FREQUENCY
• MODIFICATION
• NUMERICAL ANALYSIS
• BEARING(DIRECTION)
• SIDELOBES
• DOPPLER EFFECT
• BEAMS(ELECTROMAGNETIC)

Subject Categories:

• Military Intelligence
• Acoustic Detection and Detectors
• Acoustic Countermeasures

Distribution Statement:

APPROVED FOR PUBLIC RELEASE