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A What-and-Where fusion neural network for recognition and tracking of multiple radar emitters

Eric Granger, Mark A. Rubin, Stephen Grossberg, Pierre Lavoie
2001 Neural Networks  
A neural network recognition and tracking system is proposed for classification of radar pulses in autonomous Electronic Support Measure systems.  ...  The fuzzy ARTMAP neural network is used to classify streams of pulses according to radar type using their functional parameters.  ...  The slow decline in accuracy is in patt due to the uneven distribution of pulses among radar type classes in the data set. 5.6 Familiarity Discrimination.  ... 
doi:10.1016/s0893-6080(01)00019-3 pmid:11341569 fatcat:tfnjmve2izduji3jebetf6kgyu

Classification of incomplete data using the fuzzy ARTMAP neural network

E. Granger, M.A. Rubin, S. Grossberg, P. Lavoie
2000 Proceedings of the IEEE-INNS-ENNS International Joint Conference on Neural Networks. IJCNN 2000. Neural Computing: New Challenges and Perspectives for the New Millennium  
Modifications for dealing with such incomplete data are introduced, and performance is assessed on an emitter identification task using a data base of radar pulses.  ...  These include a limited number of training cases, missing components, missing class labels, and missing classes.  ...  G.), the Natural Sciences and Engineering Research Council of Canada (E. G.), and the Office of Naval Research ONR N00014-95-1-0657 (S. G.).  ... 
doi:10.1109/ijcnn.2000.859369 dblp:conf/ijcnn/GrangerRGL00 fatcat:ujutzgflxrfdjiv3wz3t33n35u

Page 3 of Contemporary Psychology Vol. 4, Issue 1 [page]

1959 Contemporary Psychology  
Bats display most of the effec- tive solutions familiar to the technolo gist of sonar and radar: pulsed car- rier transmission within the pulse frequency modulation velocity sensing with the aid of doppler  ...  shift, variable pulse repetition frequency. variable duty fac tor. frequency diversity, directional an tennas, split-beam discrimination of di rection. and more.  ... 

Page 38 of The Cornell Engineer Vol. 18, Issue 7 [page]

1953 The Cornell Engineer  
Continuous wave radar, while not as familiar as pulse radar, has characteristics which make it attractive for the collision warning task.  ...  Pulse Radar Pulse radar is inadequate for ai- to-air collision warning for the fol- lowing reasons: a) Atreraft echoes are not us- ually strong enough to be ar- resting when presented on the screen of  ... 

Graphical User Interface based Signal Generator for Radar/Sonar Pulse Compression Codes

A Nagajyothi, K Raja Rajeswari
2013 International Journal of Computer Applications  
The results of the paper show that the signal generator is capable in generating various waveforms of the pulse compression codes.  ...  It provides the user an option of rotating and zooming of the obtained graphs and able to calculate the performance criterion of the selected pulse compression codes  ...  INTRODUCTION Pulse compression allows radar to achieve the average transmitted power of a relatively long pulse, while obtaining the range resolution of short pulse.  ... 
doi:10.5120/14247-2325 fatcat:tzd7ydcd3jca7ol6rbnac5pl4i

Towards radar-enabled sensor networks

Prabal K. Dutta, Anish K. Arora, Steven B. Bibyk
2006 Proceedings of the fifth international conference on Information processing in sensor networks - IPSN '06  
To explore the compatibility of ultrawideband radar and mote-class sensor nodes, we designed and built a new platform called the Radar Mote.  ...  This paper describes the sensor's theory of operation, discusses the design and implementation of the Radar Mote, and presents sample signal waveforms of people, vehicles, noise, and clutter.  ...  Sandip Bapat and Vinayak Naik for their assistance collecting sensor data, Mahesh Arumugam for writing the data collection program, and Hui Cao for assistance developing the TinyOS device driver for the radar  ... 
doi:10.1145/1127777.1127848 dblp:conf/ipsn/DuttaAB06 fatcat:ysij75d3azfchmk6keyqhzyzuu

Towards radar-enabled sensor networks

P.K. Dutta, A.K. Arora, S.B. Bibyk
2006 2006 5th International Conference on Information Processing in Sensor Networks  
To explore the compatibility of ultrawideband radar and mote-class sensor nodes, we designed and built a new platform called the Radar Mote.  ...  This paper describes the sensor's theory of operation, discusses the design and implementation of the Radar Mote, and presents sample signal waveforms of people, vehicles, noise, and clutter.  ...  Sandip Bapat and Vinayak Naik for their assistance collecting sensor data, Mahesh Arumugam for writing the data collection program, and Hui Cao for assistance developing the TinyOS device driver for the radar  ... 
doi:10.1109/ipsn.2006.243915 fatcat:572r746pczdqnhblmojop3xqfa

Specific radar emitter identification based on two stage multiple kernel extreme learning machine

Ya Shi, Ming‐Dong Yuan, Junlin Ren, Shengjun Xu
2021 Electronics Letters  
Pulse envelope [2, 6], frequency and phase modulation profiles [4, 5] were verified to be related to phase noise of transmitters, so they can represent the subtle difference of radars.  ...  To make full use of the discriminative information containing in the whole ambiguity function (AF) plane, a novel two stage multiple kernel extreme learning machine (TSMKELM) method for specific radar  ...  Pulse envelope [2, 6] , frequency and phase modulation profiles [4, 5] were verified to be related to phase noise of transmitters, so they can represent the subtle difference of radars.  ... 
doi:10.1049/ell2.12231 fatcat:vfelfstcx5asxbitpj7s6xqcyy

High-resolution measurements with a spaceborne pencil-beam scatterometer using combined range/doppler discrimination techniques

M.W. Spencer, Wu-Yang Tsai, D.G. Long
2003 IEEE Transactions on Geoscience and Remote Sensing  
In this paper, the addition of Doppler discrimination techniques is proposed to meet the need for higher resolution.  ...  It is shown that spatial resolution of pencil-beam scatterometer systems can be improved by an order of magnitude by utilizing combined range/Doppler discrimination techniques, while maintaining the wide-swath  ...  When range discrimination is employed, the finest elevation resolution achieved is (18) where is the bandwidth of the transmit pulses.  ... 
doi:10.1109/tgrs.2003.809938 fatcat:s77seoa6bbgyrl5ag4tezaknhq

Stop, look and listen: Auditory perception analogies for radar remote sensing

I. H. Woodhouse
2000 International Journal of Remote Sensing  
of radar image production are discussed.  ...  As active microwave instruments become more advanced and the application of radar images more proli c there is an ever present need for a wider audience to appreciate the workings and subtleties of radar  ...  entirely the fault of the author.  ... 
doi:10.1080/01431160050121302 fatcat:yimvuch3gjditmdno5776qtwci

Synthetic Aperture Radar (SAR) Imaging Basics [chapter]

2011 Synthetic Aperture Radar Polarimetry  
As in the case of the slant range discussed above, the two features can be discriminated if the leading edge of the pulse returned from the second object is received later than the trailing edge of the  ...  BASIC PRINCIPLES OF RADAR IMAGING Imaging radars generate surface images that are at first glance very similar to the more familiar images produced by instruments that operate in the visible or infrared  ... 
doi:10.1002/9781118116104.ch1 fatcat:sjn34ean2zd4zfqjszyf5m3dnu

Improved resolution backscatter measurements with the SeaWinds pencil-beam scatterometer

M.W. Spencer, C. Wu, D.G. Long
2000 IEEE Transactions on Geoscience and Remote Sensing  
Here, the various options considered for improving the resolution of the SeaWinds measurements are discussed, and the selected hardware modification (the addition of deramp processing for range discrimination  ...  The radar equation specific to a rotating pencil-beam scatterometer with digital range filtering is developed, and the new challenges associated with calibrating the resulting improved resolution measurements  ...  For range discrimination, the transmit pulse is now modulated with a linear-frequency chirp at a chirp rate of 250 kHz/ms for a total bandwidth of 375 kHz.  ... 
doi:10.1109/36.823904 fatcat:mcjsddxionehxed7opk7yjmb7q

radR: an open-source platform for acquiring and analysing data on biological targets observed by surveillance radar

Philip D Taylor, John M Brzustowski, Carolyn Matkovich, Michael L Peckford, Dave Wilson
2010 BMC Ecology  
Two brands of radar digitizing card are currently supported as data sources. We also provide an overview of the basic considerations of setting up and running a biological radar study.  ...  Radar has been used for decades to study movement of insects, birds and bats.  ...  For each pulse of energy transmitted by the radar (or at least for a uniformly spaced subset of pulses from one revolution of the radar), the return echo is digitized into a specified number of "samples  ... 
doi:10.1186/1472-6785-10-22 pmid:20977735 pmcid:PMC2988708 fatcat:cmclvuxoa5cq3mdrbprlstkdfq

Nature as Sonar Engineer

J. C. R. LICKLIDER
1959 Contemporary Psychology  
Bats display most of the effec- tive solutions familiar to the technolo gist of sonar and radar: pulsed car- rier transmission within the pulse frequency modulation velocity sensing with the aid of doppler  ...  shift, variable pulse repetition frequency. variable duty fac tor. frequency diversity, directional an tennas, split-beam discrimination of di rection. and more.  ... 
doi:10.1037/005898 fatcat:df4v46ot35gzvlh7yre3iiyeji

A standard index of spatial resolution for distributed targets in synthetic aperture radar imagery

I. H. Woodhouse, A. Marino, I. Cameron
2011 International Journal of Remote Sensing  
Standard measures of resolution depend upon the separability of point targets, however this is not a useful analogy in the context of SAR.  ...  In this paper we outline the need for a consistent method of quoting SAR resolution given the influence of speckle upon SAR images.  ...  If radar imagery is to find widespread practical use in an effective way, then new users must familiarize themselves with the properties of spatial resolution in radar, but data distributors also have  ... 
doi:10.1080/01431161.2010.502546 fatcat:fwgcv6xnzndcljpmp3cqvm7wvu
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