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Nadav Levanon

dblp:162/3903 · DBLP profile ↗
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2ranked-venue papers
0as first author
0since 2021 · last 1995
0000-0003-3717-2474ORCID · corroborated

Domains — the database's venue-derived domains; a paper can count in several

Graphics, computer vision, multimedia, augmented reality and games · 1Applied, interdisciplinary, general and emerging computing · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Theoretical computer science
1 paper
Information theory · 100%

Topics — the 2 heaviest of 2, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Information theory › signal processing › time-frequency analysis
ambiguity function		 0.011985
Any two N × N costas signals must have at least one common ambiguity sidelobe if N > 3 - A proof · Proc. IEEE 1985
Information theory › signal processing › radar signal processing
radar waveform design		 0.011985
Any two N × N costas signals must have at least one common ambiguity sidelobe if N > 3 - A proof · Proc. IEEE 1985

Methods — techniques the papers use, named apart from their topics

combinatorial proof · 0.0
YearPublicationVenuePosition
1995 Perfect periodic correlation sequences
Avraham Freedman, Nadav Levanon, Shimshon Gabbay
 Signal Process.2
1985 Any two N × N costas signals must have at least one common ambiguity sidelobe if N > 3 - A proof
abstract
Costas signals have an ambiguity function that approaches the ideal "Thumbtack" configuration. To increase the main lobe/side-lobe ratio without increasing the number of frequencies (signal dimension, N) it may be possible to stagger Costas signal pulses whose ambiguity sidelobe patterns do not coincide. We prove here that Costas signals of the same dimension, with completely different ambiguity sidelobe patterns, do not exist for N > 3.
Avraham Freedman, Nadav Levanon
 Proc. IEEE2