نتایج جستجو برای: radar interference

تعداد نتایج: 132723  

2009
Seiho Uratsuka Nobuhiro Takahashi Mamoru Ishii Kaoru Gotoh

in Greater Detail Development of High-Performance Aircraft Mounted Synthetic Aperture Radar Seiho Uratsuka . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Development of Cloud Profiling ...

2009
R. A. Romero N. A. Goodman

The authors present illumination waveforms matched to stochastic targets in the presence of signaldependent interference. The waveforms are formed by SNR and mutual information (MI) optimisation. We also use these waveforms in cognitive radar (CR) target identification application. In this application, the radar system attempts to identify a deterministic or random target using multiple transmi...

Journal: :The Journal of Korean Institute of Electromagnetic Engineering and Science 2008

Journal: :EURASIP J. Adv. Sig. Proc. 2017
Shuang Qiu Xiaofeng Ma Weixing Sheng Yubing Han Ren-li Zhang

In continuous wave (CW) radar and high pulse repetition frequency pulse-Doppler (HPRF-PD) radar, the interference plus noise sample snapshots are hard to be obtained. The desired signal in the received snapshots makes the LCMV-based adaptive monopulse algorithm sensitive to pattern look direction error. A linearly constrained subarray robust adaptive monopulse algorithm based on main lobe maint...

2016
Yang Zhang Chenglin Zhao Juan Meng Shibao Li Li Li

It is very important that the radar sensor network has autonomous capabilities such as self-managing, etc. Quite often, MIMO interference channels are applied to radar sensor networks, and for self-managing purpose, interference management in MIMO interference channels is critical. Interference alignment (IA) has the potential to dramatically improve system throughput by effectively mitigating ...

2015
Lele Zhang Dianren Chen

This paper proposes an imaging method of multi-direction swath and digital beamforming (DBF) in elevation for spaceborne Hybrid Phased-MIMO SAR that combines traditional phased-array radar with a new technique for multiple-input multiple-output (MIMO) radar to achieve multifunctional synthetic aperture radar (SAR). At first, we build a signal model and derive a virtual control matrix of the Hyb...

Journal: :IEEE Journal of Selected Topics in Signal Processing 2021

Dual-Functional Radar-Communication (DFRC) system is an essential and promising technique for beyond 5G. In this work, we propose a powerful unified multi-antenna DFRC transmission framework, where additional radar sequence transmitted apart from communication streams to enhance beampattern matching capability, Rate-Splitting Multiple Access (RSMA) adopted better manage the interference. RSMA r...

Journal: :IEEE Transactions on Aerospace and Electronic Systems 2019

Journal: :IEEE Transactions on Vehicular Technology 2021

The number of commercial and civilian vehicles equipped with automotive radars is expected to rise rapidly in the forthcoming years that comes problem increased mutual interference between radar sensors, which can result severely reduced sensitivity false alarm rates. difficulty complexity increase MIMO systems multiply even further a growing present on scene. A system connected efficiently add...

Journal: :IEEE Sensors Journal 2022

Millimeter-wave (mm-wave) frequency-modu- lated continuous wave (FMCW) radars are increasingly being deployed for scenario perception in various applications. It is expected that the mutual interference between such will soon become a significant problem. Therefore, to maintain reliability of radar measurements, there must be procedures place mitigate this interference. This article proposes no...

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