sonar

Definitions

  • WordNet 3.6
    • n sonar a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return "sonar is an acronym for sound navigation ranging","asdic is an acronym for antisubmarine detection investigation committee"
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Usage

In literature:

The next morning he eagerly tackled the job of adding sonar protection and sonar detection features to his electronic hydrolung.
"Tom Swift and the Electronic Hydrolung" by Victor Appleton
The tyme of hir purificatioun was sonar then the Leviticall law appointes.
"The Works of John Knox, Vol. 1 (of 6)" by John Knox
This was a combination radiation-sonar measuring gauge.
"The Thirst Quenchers" by Rick Raphael
The boys were familiar with sonar because of the Spindrift work on the Submobile.
"The Wailing Octopus" by Harold Leland Goodwin
He listened for code on the sonar equipment, but heard only the weird and nameless sea-sounds.
"Way of a Rebel" by Walter M. Miller
So try everything you've got, even sonar.
"Project Cyclops" by Thomas Hoover
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In poetry:

Nojata e gelida--la Pitonessa
Sonar nel tempio--non intendea
Che d'una vecchia--la voce fessa
Cui, sorda, Igea
"Il Secolo Di Pericle" by Ferdinando Fontana
Tra i fusti ove le radiche fan groppo
e già si gonfia venenato il fungo,
odo incognito piede solidungo
come bronzo sonar contra l'intoppo.
"Il Tessalo" by Gabriele D Annunzio

In news:

1-18-12: Police Use New Sonar Systems to Deter Poaching .
Spain's Sonar electronic music fest visits L.A. 0 South Africa's Die Antwoord, with Ninja, left, and Yo-Landi Vi$$er, will headline the traveling Sonar festival.
Remarkable Sonar Image Shows Intact German WWII Bomber.
A sonar side-scan image of a Dornier 17 that has been on the bottom of the English Channel for 70 years.
With a lineup that features Oval, Ben Frost, Nosaj Thing, the Slew, and Lesley Flanigan, the ambitious Sonar Chicago debuts this Thursday, September 9.
Should You Get a Side Scanning Sonar .
Posts Tagged ' side scan sonar .
This was very much in evidence last night at Sonar , where at least half the band's 90-minute set was more like avant-garde noise played really, really loud.
Preview Lowrance's new StructureScan Sonar Imaging product.
Hook, Line, and Sonar .
And the Alaska Department of Fish and Game's new DIDSON sonar system has played a deciding role in that.
Sonar Set for New Owners.
The US Navy has agreed to limit the use of its latest sonar system, bowing to environmentalist concerns that the technology causes whales to beach themselves.
The man Modesto police hired to search part of San Francisco Bay with sonar now believes he found Laci Peterson's body in mid-March.
Using sonar technology developed to detect submarines, a military contractor is proposing putting a system of sound sensors in cities to alert police to gunfire almost instantly.
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In science:

Puede sonar extra˜no que las civilizaciones avanzadas necesiten protegerse contra agresores.
Brane Worlds, the Subanthropic Principle and the Undetectability Conjecture
La raz´on es que, para nuestra intuici´on, las afirmaciones de civilizaciones mucho m´as avanzadas que nosotros tienen que sonar necesariamente rid´ıculas, hilarantes, locuras de pura ciencia ficci´on.
Brane Worlds, the Subanthropic Principle and the Undetectability Conjecture
The first one covers MSL in radars and sonars and DOA, which are similar to spectral estimation.
A Unified Approach to Sparse Signal Processing
Similar work for the optimization of one-way response has also been applied to cylindrical arrays for sonar applications [152].
A Unified Approach to Sparse Signal Processing
Fortmann T. E., Bar-Shalom Y. and Scheffe M., Sonar tracking of multiple targets using joint probabilistic data association, IEEE J.
A drift homotopy Monte Carlo approach to particle filtering for multi-target tracking
For Sonar, the importance scores reveal a band structure which likely corresponds to the actual frequency intervals in which the echoes di(cid:27)er between stone and metal.
Random ferns method implementation for the general-purpose machine learning
Figure 2: Importance measure for Sonar data, generated by Random ferns (top right ) and, for comparison, by Random forest (bottom right ).
Random ferns method implementation for the general-purpose machine learning
Analysis of Hidden Units in a Layered Network Trained to Classify Sonar Targets.
Random ferns method implementation for the general-purpose machine learning
With sonar and inonosphere data FIC had similar problems that were described with simulated data.
Speeding up the binary Gaussian process classification
We independently found G1 and G2 analysing the results obtained through exhaustive exploration of some examples of these Welch arrays; later we found that these kinds of algebraic permutations were used on Quadratic residue arrays by B ¨omer et al , and on two dimensional Costas and sonar arrays .
Algebraic symmetries of generic $(m+1)$ dimensional periodic Costas arrays
Medium constraints on sonar design and performance.
Algebraic symmetries of generic $(m+1)$ dimensional periodic Costas arrays
Sonar sequences from Costas arrays and the best known sonar sequences with up to 100 symbols.
Algebraic symmetries of generic $(m+1)$ dimensional periodic Costas arrays
Fortmann T. E., Bar-Shalom Y. and Scheffe M., Sonar tracking of multiple targets using joint probabilistic data association, IEEE J.
Path sampling for particle filters with application to multi-target tracking
His interests are in statistical signal processing, as it applies to adaptive radar, sonar, and wireless communication.
Locally Most Powerful Invariant Tests for Correlation and Sphericity of Gaussian Vectors
His most important contributed to date are to invariance theories for detection and estimation; matched and adaptive subspace detectors and estimators for radar, sonar, and data communication; and canonical decompositions for reduced dimensional filtering and quantizing.
Locally Most Powerful Invariant Tests for Correlation and Sphericity of Gaussian Vectors
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