Polytime coding as a means of pulse compression

Polytime coding as a means of pulse compression

A set of code sequences is proposed for radar applications in which all phase steps are equal and the time duration of each phase state is varied in order to properly approximate either a stepped-RF waveform or a linear FM waveform. Since these proposed waveforms have varying time durations at each...

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Bibliographic Details
Published in:IEEE transactions on aerospace and electronic systems Vol. 35; no. 2; pp. 716 - 721
Main Author: Fielding, J.E.
Format: Journal Article
Language:English
Published: IEEE 01-04-1999
Subjects:
Air traffic control
Aircraft components
Approximation
Coding
Electronic systems
Encoding
Frequency modulation
Pulse compression
Pulse compression methods
Quantization
Radar
Radar applications
Radio frequency
Waveforms
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Description
Summary:A set of code sequences is proposed for radar applications in which all phase steps are equal and the time duration of each phase state is varied in order to properly approximate either a stepped-RF waveform or a linear FM waveform. Since these proposed waveforms have varying time durations at each phase state, they are referred to as "Polytime" codes. Polytime code sequences have the advantage that arbitrary time-bandwidth waveforms can be generated with a few phase states. Of particular interest are cases where phase is quantized into two states (i.e., 0/spl deg/ and 180/spl deg/).
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0018-9251
1557-9603
DOI:10.1109/7.766951