NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Analysis of squaring circuit mechanizations in Costas and squaring loopsThe paper discusses implementations of the carrier recovery loop for suppressed carrier binary phase shift keyed signals. The tracking performance of a practical squaring loop where the times-two multiplier is mechanized as a limiter/multiplier combination is developed. This produces the absolute value of the arriving signal which is practical in terms of low signal-to-noise ratios, a wide dynamic range of signal level, and temperature variations. The approach is compared to the usual squaring loop whose squaring circuit is the times-two multiplier exhibiting a square law characteristic.
Document ID
19790027477
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lindsey, W. C.
(Southern California, University Los Angeles, Calif., United States)
Woo, K. T.
(California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)
Date Acquired
August 9, 2013
Publication Date
September 1, 1978
Publication Information
Publication: IEEE Transactions on Aerospace and Electronic Systems
Volume: AES-14
Subject Category
Cybernetics
Accession Number
79A11490
Funding Number(s)
CONTRACT_GRANT: NAS9-14000
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available