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Adaptive Countering Technique for Angle Deception Based on Dual Polarization Radar Seeker

Qiang Zhang, Weijun Pan
2017 International Journal of Antennas and Propagation  
In this paper, an adaptive technique based on dual polarization radar is presented to counter it. How angle deception jamming acts on the monopulse tracking radar is first investigated.  ...  Meanwhile, the polarization ratio characteristic of the angle deception jamming could be adaptively estimated in current practical scene.  ...  They are all in possession of dual polarization system and developed by MBDA missile systems.  ... 
doi:10.1155/2017/2345491 fatcat:qql6jsvmpzghpjlok33htwjdnm

Updates on the Radar Data Quality Control in the MRMS Quantitative Precipitation Estimation System

Lin Tang, Jian Zhang, Micheal Simpson, Ami Arthur, Heather Grams, Yadong Wang, Carrie Langston
2020 Journal of Atmospheric and Oceanic Technology  
The multi-radar-multi-sensor (MRMS) system was transitioned into operations at the National Centers for Environmental Prediction in the fall of 2014.  ...  estimation (QPE).  ...  The authors thank three anonymous reviewers for their thoughtful reviews and comments on this manuscript.  ... 
doi:10.1175/jtech-d-19-0165.1 fatcat:fvwx6xvswfhclihvgeesbhq4fm

Signal Simulation of Dual-Polarization Weather Radar and Its Application in Range Ambiguity Mitigation

Shaojun Dai, Xuehua Li, Zhichao Bu, Yajun Chen, Jianxin He, Minghua Li, Maojie Xiong
2022 Atmosphere  
In this paper, a dual-polarization weather radar echo signal simulation method is proposed for the evaluation of the performance enhancement of dual-polarization weather radar systems, the optimization  ...  As a result, the final simulated echo signal not only shows both the time and frequency domain characteristics of the weather target, but also includes the effects of the important performance of the dual-polarization  ...  with the parameters of the dual-polarization weather radar system.  ... 
doi:10.3390/atmos13030432 fatcat:zoya7ksk7jgfxkfcz3k32nsvy4

A wing pod-based millimeter wavelength airborne cloud radar

J. Vivekanandan, S. Ellis, P. Tsai, E. Loew, W. C. Lee, J. Emmett, M. Dixon, C. Burghart, S. Rauenbuehler
2015 Geoscientific Instrumentation Methods and Data Systems Discussions  
Standard pulse-pair estimates of moments and raw time series of backscattered signals are recorded.  ...  The radar system is capable of collecting observations in a staring mode between zenith and nadir or in a scanning mode.  ...  Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.  ... 
doi:10.5194/gid-5-117-2015 fatcat:uyllsohs2zgu5bc3thh6mqzeyy

A wing pod-based millimeter wavelength airborne cloud radar

J. Vivekanandan, S. Ellis, P. Tsai, E. Loew, W.-C. Lee, J. Emmett, M. Dixon, C. Burghart, S. Rauenbuehler
2015 Geoscientific Instrumentation, Methods and Data Systems  
Standard pulse-pair estimates of moments and raw time series of backscattered signals are recorded.  ...  The radar system is capable of collecting observations in a staring mode between zenith and nadir or in a scanning mode.  ...  Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.  ... 
doi:10.5194/gi-4-161-2015 fatcat:3euezqotfzdxrek6wrogv3jjj4

A Description of the CSU–CHILL National Radar Facility

David Brunkow, V. N. Bringi, Patrick C. Kennedy, Steven A. Rutledge, V. Chandrasekar, E. A. Mueller, Robert K. Bowie
2000 Journal of Atmospheric and Oceanic Technology  
Key features of this system include polarization agility (provided by the dual-transmitter, dual-receiver design), a recently updated signal processor, and a low (Ϫ34 dB, two way) integrated cross-polar  ...  Used together, these radars provide three-dimensional kinematic and hydrometeor information in precipitating cloud systems.  ...  The CSU-CHILL National Radar Facility is sponsored by the National Science Foundation under Grant ATM-9500108 and by Colorado State University. SAR, VNB, and VC also acknowledge support from the U.S.  ... 
doi:10.1175/1520-0426(2000)017<1596:adotcc>2.0.co;2 fatcat:q7jgyjf7gnehlejamruo2vptfy

Detection and Estimation of Radar Reflectivity from Weak Echo of Precipitation in Dual-Polarized Weather Radars

Reino Keränen, V. Chandrasekar
2014 Journal of Atmospheric and Oceanic Technology  
Coherence properties of dual polarization can be used for enhancing the detection and for the improved estimation of weak echoes of precipitation.  ...  In operational weather radar, precipitation echoes are often weak when compared to the underlying noise.  ...  Support of the Vaisala Weather Radar research and development program is acknowledged.  ... 
doi:10.1175/jtech-d-13-00155.1 fatcat:3e2iesjv3jhvjnfk45x4yjbi3u

Dual-Polarization Observations of Slowly Varying Solar Emissions from a Mobile X-Band Radar

2017 Sensors  
The radio noise that comes from the Sun has been reported in literature as a reference signal to check the quality of dual-polarization weather radar receivers for the S-band and C-band.  ...  A novel method, aimed at the absolute calibration of dual-polarization receivers, has recently been presented and applied for the C-band.  ...  Acknowledgments: The authors would like to thank Peter Goelz for the stimulating discussions regarding the measurements of the Sun using mobile X-band radars and Clarissa Bossalini for editing and checking  ... 
doi:10.3390/s17051185 pmid:28531164 pmcid:PMC5470930 fatcat:27fjlzbl4zeajfcrwlfitieolu

Calibration Accuracy of the Dual-Polarization Receivers of the C-Band Swiss Weather Radar Network

Marco Gabella, Marco Boscacci, Maurizio Sartori, Urs Germann
2016 Atmosphere  
In this paper, we present results from a novel Sun-based method aiming at the absolute calibration of dual-polarization weather radar receivers.  ...  The electromagnetic power that comes from the Sun has been proved to be an effective reference for checking the quality of dual-polarization weather radar receiver.  ...  Acknowledgments: The authors would like to thank Peter Goelz, Dennis Vollbracht, and Andreas Leuenberger for stimulating discussions and helpful hints regarding radar measurements of the solar spectral  ... 
doi:10.3390/atmos7060076 fatcat:erfo5h6vhjgxzebepddgvtfvi4

The CASA Integrated Project 1 Networked Radar System

Francesc Junyent, V. Chandrasekar, D. McLaughlin, E. Insanic, N. Bharadwaj
2010 Journal of Atmospheric and Oceanic Technology  
The radar network and radar node hardware and software architectures are described, as well as the different interfaces between the integrated subsystems.  ...  The system's operation and radar node control and weather data flow are explained. The key features of the radar nodes are presented, as well as examples of different data products.  ...  Luko Krnan of Dynamic Sensing Technologies for his contributions towards the integration of the data acquisition solution in the radar nodes and field work support.  ... 
doi:10.1175/2009jtecha1296.1 fatcat:ojfhnduvtzgxrl3l7xr2ers3gi

EMISAR: an absolutely calibrated polarimetric L- and C-band SAR

E.L. Christensen, N. Skou, J. Dall, K.W. Woelders, J.H. Jorgensen, J. Granholm, S.N. Madsen
1998 IEEE Transactions on Geoscience and Remote Sensing  
The system is very well calibrated and has low sidelobes and low cross-polar contamination.  ...  EMISAR is a high-resolution (2 2 2 2 2 m), fully polarimetric, dual-frequency (L-and C-band) synthetic aperture radar (SAR) system designed for remote-sensing applications.  ...  in real time for one polarization; the high-speed digital processor (HSDP, one per frequency) generating system timing, encoding the digital radar pulse, interfacing the analog and digital subsystems  ... 
doi:10.1109/36.729356 fatcat:cba7wgphtjdyhohf3isaiy5qlu

Atomic Norm-Based DOA Estimation with Dual-Polarized Radar

Min Han, Wenbin Dou
2019 Electronics  
In the dual-polarized radar system, the horizontally and vertically polarized signals can be exploited to improve the direction of arrival (DOA) estimation performance.  ...  In this paper, the DOA estimation problem is considered in the dual-polarized radar.  ...  R{a} denotes the real part of complex value a. Dual-Polarized Radar System In the array radar system, the dual-polarized signals are transmitted and N antennas receive the echoed signals.  ... 
doi:10.3390/electronics8091056 fatcat:476yh5xbqraztkkqmjg7gk2l7q

Adaptive Beamforming Using Steering Vector Correction for Phased-Array Weather Radar

Hiroshi Kikuchi, Eiichi Yoshikawa, Tomoo Ushio, Yasuhide Hobara
2021 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
In December 2017, a dual-polarized (DP) phasedarray weather radar (PAWR) was deployed to observe precipitation in Tokyo, Japan.  ...  In this study, signal processing procedures, including the steering vector correction of real measurement data, are developed to apply the MMSE method to the DP-PAWR.  ...  ACKNOWLEDGMENTS The authors would like to thank a partner at Toshiba Infrastructure Systems & Solutions for the valuable comments on the hardware of the DP-PAWR and Prof. V.  ... 
doi:10.1109/jstars.2021.3106002 fatcat:c4cmzj5ukrehvkdvadv6qcphmi

The next generation airborne polarimetric Doppler weather radar

J. Vivekanandan, W.-C. Lee, E. Loew, J. L. Salazar, V. Grubišić, J. Moore, P. Tsai
2014 Geoscientific Instrumentation Methods and Data Systems Discussions  
At present, airborne weather radars use mechanical scans, and they are not designed for collecting dual-polarization measurements to remotely estimate microphysics.  ...  Recently, ground-based phased array radar (PAR) has demonstrated the high time-resolution estimation of accurate Doppler velocity and reflectivity of precipitation and clouds when compared to mechanically  ...  Wakimoto, former director of NCAR/EOL who strongly advocated key requirements of next generation airborne Doppler weather radar that are outlined in this paper.  ... 
doi:10.5194/gid-4-1-2014 fatcat:xqywd2okrrgtpc7yxygxlzyswy

Compressed sensing applied to weather radar

Kumar Vijay Mishra, Anton Kruger, Witold F. Krajewski
2014 2014 IEEE Geoscience and Remote Sensing Symposium  
The dual-polarization system discussed here and later is therefore confined to linear polarization systems.  ...  Dual-pol Radar Observables For the dual-polarization radar systems, any two arbitrary polarization states are admissible. However, in general these states are usually either circular or linear.  ... 
doi:10.1109/igarss.2014.6946811 dblp:conf/igarss/MishraKK14 fatcat:mc6kcyx4engrpcdldpaabl5gsi
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