Results 11 to 20 of about 69,753 (155)
Jamming Resistant Receivers for Massive MIMO [PDF]
arXiv, 2017 We design jamming resistant receivers to enhance the robustness of a massive MIMO uplink channel against jamming. In the pilot phase, we estimate not only the desired channel, but also the jamming channel by exploiting purposely unused pilot sequences.
Björnson, Emil +2 more
arxiv +3 more sources
Jamming Simulation Analysis of LFM-Chebyshev Chaotic Bi-Phase Code Signal [PDF]
Hangkong bingqi, 2022 LFM-Chebyshev chaotic bi-phase code signal is a mixed signal which uses Chebyshev chaotic sequence as inter pulse two-phase coding and linear frequency modulation processing in the pulse. It has strong concealment and anti-jamming ability.
Song Quan, Zhang Fan, Xu Hua
doaj +1 more source
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023 Methods based on convolutional neural networks (CNNs) have become a vital offshoot for hyperspectral image (HSI) classification. In recent years, the 3-D CNN (3-DCNN) has become dominant due to its excellent capability of extracting features.
Yaxiu Sun +4 more
doaj +1 more source
Leida xuebao, 2023 In modern electronic warfare, the jamming environment of radar is more complex than ever. The airborne jammer adapts its jamming method based on diverse raid missions and stages.
Feng XIE +4 more
doaj +1 more source
Intelligent Radar Jamming Recognition in Open Set Environment Based on Deep Learning Networks
Remote Sensing, 2022 Jamming recognition is an essential step in radar detection and anti-jamming in the complex electromagnetic environment. When radars detect an unknown type of jamming that does not occur in the training set, the existing radar jamming recognition ...
Yu Zhou +5 more
doaj +1 more source
SAR Image Active Jamming Type Recognition Based on Deep CNN Model
Leida xuebao, 2022 Synthetic Aperture Radar (SAR) can acquire high-resolution radar images of region of interest under all-day and all-weather conditions, a capability that has been successfully applied in many fields.
Siwei CHEN +4 more
doaj +1 more source
AIP Advances, 2023 Dual-aircraft formation slow synchronous blinking jamming is standard for jamming monopulse tracking. However, the jamming signal ratio (JSR) of slow synchronous blinking jamming is low and fluctuant in a dynamic jamming scenario, which leads to a poor ...
Zelong Hao, Xing Wang, You Chen
doaj +1 more source
Statistical Analysis of Bistatic Radar Ground Clutter for Different German Rural Environments
Sensors, 2020 This article presents the statistical analysis of bistatic radar rural ground clutter for different terrain types under low grazing angles. Compared to most state-of-the-art analysis, we present country-specific clutter analysis for subgroups of rural ...
Michael Kohler +5 more
doaj +1 more source
A cross‐layer anti‐jamming method in satellite Internet
IET Communications, 2023 In view of the diverse jamming environment, the single‐level anti‐jamming method faces some challenges such as poor timeliness, high cost and poor effect.
Peijie Yan +3 more
doaj +1 more source
Overview of Jamming Technology for Satellite Navigation
Machines, 2023 The Global Navigation Satellite System (GNSS) has been applied to all aspects of social livelihood and military applications and has become an important part of national infrastructure construction.
Xiangjun Li +6 more
doaj +1 more source