Title :
FM Star-Lock System Using Mask with Spiral Sectors
Author_Institution :
Guided Weapons Division, English Electric Aviation, Ltd., British Aircraft Corporation, Ltd., Luton Airport, Bedfordshire,England.
fDate :
3/1/1962 12:00:00 AM
Abstract :
This system is identical with the FM system using a linear mask except that the sectors of the mask are bounded by spirals. The value of ¿ = (r/R)(S/N)-1/2 is derived for the case of spiral masks of three kinds.
Keywords :
Aerospace electronics; Bonding; Circuits; Detectors; Frequency; Navigation; Optical filters; Optical noise; Phase modulation; Spirals;
Journal_Title :
Aerospace and Navigational Electronics, IRE Transactions on
DOI :
10.1109/TANE3.1962.4201837
