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1983 IEEE Transactions on Aerospace and Electronic Systems  
Radar clutter; Sea surface electromagnetic scattering Radar testing confidence bound for R90 from direct observations. Cope, Davis, FM/AM noise test set for a pulsed Doppler radar.  ...  L., + , T-AES Jul83 598-607 t interference cancelling array using prior knowledge of approximate signal arrival direction and signal characteristics.  ... 
doi:10.1109/taes.1983.309408 fatcat:j33s6ejidne4be4x52lfjytu44

Clutter and distortion products suppression methods for CDMA systems

Petra Stukovska, Radek Plsek
2019 IET radar, sonar & navigation  
FDMA systems method for clutter suppression Clutter is the weighted sum of variably delayed replicas of the transmitted signal, therefore it is possible to model it using a linear filter with impulse response  ...  Performance of proposed algorithms is compared on both simulated and real signal from the MSPSR system and also for numerical precision single versus double.  ...  There is mostly mentioned basic LMS filter, normalised LMS filter, and recursive LMS filter (RLS) from the first group, whose detailed description can be found in [4] .  ... 
doi:10.1049/iet-rsn.2018.5463 fatcat:hdlh4juggbb6nmqnliajyhldle

Passive localization of moving emitters using out-of-plane multipath

S.D. Coutts
2000 IEEE Transactions on Aerospace and Electronic Systems  
The Cramer-Rao lower bounds of the variances for each estimator are derived and used to study estimator performance for several scenarios.  ...  The emitter parameters of range, heading, velocity, and altitude are estimated by exploiting the correlation between the direct-path signal and the delayed, attenuated, and Doppler modulated signals reflected  ...  Loci of constant performance versus emitter SNR and average bistatic clutter strength. Figure 6 . 6 21. Emitter localization filter for showing injected noise and lowpass filtering operations.  ... 
doi:10.1109/7.845246 fatcat:i6pnfsjbkjf47gdiw4vv7vi6sm

Experimental Verification of the Concept of Using LOFAR Radio-Telescopes as Receivers in Passive Radiolocation Systems

Julia Kłos, Konrad Jędrzejewski, Aleksander Droszcz, Krzysztof Kulpa, Mariusz Pożoga, Jacek Misiurewicz
2021 Sensors  
The theoretical considerations and description of the proposed signal processing schema for the passive radar based on a LOFAR radio-telescope are outlined in the paper.  ...  The structure of a LOFAR radio-telescope station is described in the context of applying this radio-telescope for detection of aerial (airplanes) and space (satellite) targets.  ...  Acknowledgments: We thank the Ministry of Science and Higher Education (MSHE), Poland for granting funds for the Polish contribution to the International LOFAR Telescope (MSHE decision no.  ... 
doi:10.3390/s21062043 pmid:33799410 pmcid:PMC7998129 fatcat:ch6oy7znlrhfhm3lndyq6rbbfm

Signal Processing for Atmospheric Radars [chapter]

R. Jeffrey Keeler, Richard E. Passarelli
1990 Radar in Meteorology  
Prediction error surface for 2 weight adaptive filter. 65 The LMS algorithm estimates the negative gradient of the quadratic error and steps toward the minimum mean square error (mse).  ...  This technique is effective for Doppler radars that have no clutter filter, or Doppler radars of limited linear dynamic range available for cancelling clutter.Both the velocity and reflectivity can be  ...  Zrnic, 1984: Doppler Radar and Weather Observations, New York: Academic Press. Evans, J.E., 1983: Ground Clutter cancellation for the NEXRAD system. Lincoln Laboratory project report ATC-122, Mass.  ... 
doi:10.1007/978-1-935704-15-7_21 fatcat:2hqktj545rcoho6e57dfv4iwsa

OTHR impulsive interference characteristics and detection based on AR model

Tao Liu, Jie Wang, Xiaoxu Chen, Yaohuan Gong
2009 2009 International Conference on Communications, Circuits and Systems  
This algorithm's operational performance is evaluated using experimental data sets collected from a high frequency surface wave (HFSW) OTHR system, and is proved to be suitable for most types of IMIs.  ...  After getting zeros of AR model transfer function, the amount of the contained sinusoid signals and their frequency parameters can be estimated.  ...  be proposed and implemented in radar operations depending on hardware with high computational performance.  ... 
doi:10.1109/icccas.2009.5250378 fatcat:qprlt5g5zzbk5kgk7b7ty6ephy

Radio Frequency Tomography for Tunnel Detection

L. Lo Monte, D. Erricolo, F. Soldovieri, M.C. Wicks
2010 IEEE Transactions on Geoscience and Remote Sensing  
The RF tomography approach requires a set of low-cost transmitters and receivers arbitrarily deployed on the surface of the ground or slightly buried.  ...  Using the principles of inverse scattering and diffraction tomography, a simplified theory for below-ground imaging is developed.  ...  Parker and Dr. M. Ferrara, Air Force Research Laboratory, Prof. R. Ansari, University of Illinois at Chicago, and Prof. M. Cheney, Rensselaer Polytechnic Institute, for their technical discussions.  ... 
doi:10.1109/tgrs.2009.2029341 fatcat:kzpzwrmco5dpng37qrlo3vo3fm

Implementation of Fog computing for reliable E-health applications

Razvan Craciunescu, Albena Mihovska, Mihail Mihaylov, Sofoklis Kyriazakos, Ramjee Prasad, Simona Halunga
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
Also the tradeoff between performance and necessary amount of downlink feedback bits is taken into account in our analysis.  ...  In this work we explore some of the potential fiber-optic data transmission applications of the nonlinear Fourier transform (NFT), a signal analysis technique introduced by mathematicians and physicists  ...  Yaqi Liu, Jun Tang, Ning Zhang, Wei Zhu, Tsinghua University, China A compressive sensing based bistatic MIMO radar is proposed for joint direction of departure (DOD), direction of arrival (DOA) and Doppler  ... 
doi:10.1109/acssc.2015.7421170 dblp:conf/acssc/CraciunescuMMKP15 fatcat:qm6mki5z6bcvrfimkmqjyrxaxm

Ping-pong beam training for reciprocal channels with delay spread

Elisabeth de Carvalho, Jorgen Bach Andersen
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
Also the tradeoff between performance and necessary amount of downlink feedback bits is taken into account in our analysis.  ...  In this work we explore some of the potential fiber-optic data transmission applications of the nonlinear Fourier transform (NFT), a signal analysis technique introduced by mathematicians and physicists  ...  Yaqi Liu, Jun Tang, Ning Zhang, Wei Zhu, Tsinghua University, China A compressive sensing based bistatic MIMO radar is proposed for joint direction of departure (DOD), direction of arrival (DOA) and Doppler  ... 
doi:10.1109/acssc.2015.7421451 dblp:conf/acssc/CarvalhoA15 fatcat:mqokuvnh3zg45licnfbgxyvxfu

Design of large polyphase filters in the Quadratic Residue Number System

Gian Carlo Cardarilli, Alberto Nannarelli, Yann Oster, Massimo Petricca, Marco Re
2010 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers  
Tp4b-2 3:55 pM Comparison of LMS and NLMS Adaptive Filters with a Non-stationary input Eweda Eweda, Ajman University of Science & Technology The tracking performances of the LMS and NLMS algorithms are  ...  We present an analysis of the self interference cancellation mechanism and derive expressions for the average power of the self interfering signal after RF and baseband cancellation.  ... 
doi:10.1109/acssc.2010.5757589 fatcat:ccxnu5owr5fyrcjcqukumerueq

2021 Index IEEE Transactions on Vehicular Technology Vol. 70

2021 IEEE Transactions on Vehicular Technology  
The primary entry includes the coauthors' names, the title of the paper or other item, and its location, specified by the publication abbreviation, year, month, and inclusive pagination.  ...  Departments and other items may also be covered if they have been judged to have archival value. The Author Index contains the primary entry for each item, listed under the first author's name.  ...  ., +, TVT April 2021 3187-3196 FIR filters Design and Latency Analyses of an Enhanced Mixed-Signal Coupling Network With Adaptive Noise Cancellation for Power Over Data Lines.  ... 
doi:10.1109/tvt.2022.3151213 fatcat:vzuzqu54irebpibzp3ykgy5nca

A unified model for reverberation and submerged object scattering in a stratified ocean waveguide

Nicholas C. Makris, Purnima Ratilal
2001 Journal of the Acoustical Society of America  
Asymptotic techniques are used to derive expressions for the scattering of broadband waveforms from distant objects or surfaces.  ...  Sample calculations for narrow-band signals indicate that the detection of submerged target echoes above diffuse seafloor reverberation is highly dependent upon water column and sediment stratification  ...  The covariance of the scattering function for a Lambertian scattering patch of area ⌬A with albedo takes the form of Eq. ͑12a͒ with C lm ͑ R r ϪR,R r ЈϪR͉R 0 ϪR͒ϭk 2 ͉î sl •n ʈî im •n ͉⌬A, ͑40͒ where î  ... 
doi:10.1121/1.1339826 pmid:11303945 fatcat:ytbvat3g35fnhgteukq5xo56xm

Anisotropy and sound propagation in glass wool

Viggo Tarnow
1999 Journal of the Acoustical Society of America  
In this seminar the MAP estimator is described, along with practical issues associated with algorithm initialization, simulated performance with both white and colored-noise inputs, and real data examples  ...  The data model is guided by the measurement physics and the scene model is based on a Markov random field assumption. Both models are augmented to accommodate anomalies.  ...  Experimental data on the transformation of raindrop size distribution have been obtained by processing of raw spectra of acoustic signals recorded in rain for 20 s and 1, 2, 3, 5, and 25 min with cw bistatic  ... 
doi:10.1121/1.426652 fatcat:qfdzx3idfnamngq5rduzjj5qh4

The neural bases of normalising for accented speech: A repetition suppression functional magnetic resonance imaging study

Patti Adank, Peter Hagoort
2008 Journal of the Acoustical Society of America  
The current work identifies acoustic characteristics of reduced 'flaps' and presents phonetic identification data for continua that manipulate these characteristics.  ...  Degree of intensity dip has the strongest effect, with a minimal dip in intensity more likely to be perceived as 'kneel' and a strong dip in intensity more likely to be perceived as 'needle. ' The results  ...  Receiver operating characteristic analysis is performed showing good discrimination of equal energy targets from clutter. ͓Work supported by ONR͔.  ... 
doi:10.1121/1.2934685 fatcat:qqmjcl5gjzcj7kssv2pi6efwti

Investigation of the Application of Coherent Acoustic Imaging to Nondestructive Testing

W. R. Arndt, J. L. Kreuzer
1973 Journal of the Acoustical Society of America  
Operation with the off-axis reference provides for higher signal-to-noise ratios in the reconstructed image and better image reconstruction through optical filtering.  ...  Note that the signal from the hole is clearly discernible and not obscured by noise and clutter, as was the case for the contact technique.  ...  Experiments were performed using both the optical reconstruction system (lens) and a digital computer to take the transform and form the image. However, most of the work wad done with the computer.  ... 
doi:10.1121/1.1913541 fatcat:xxdh3c475vagvg4e6d5yvtsi2a
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