Results 31 to 40 of about 517 (176)
Information-Theoretic Optimal Radar Waveform Selection With Multi-Sensor Cooperation for LPI Purpose
IEEE Access, 2022 For the complex battlefield electromagnetic environment, low probability of interception (LPI) performance has become an indispensable ability for modern radars.
Jun Chen, Fei Wang, Jianjiang Zhou
doaj +1 more source
Detection of low probability of intercept signals in low SNR using multichannel sensor arrays [PDF]
, 2014 2014 22nd Signal Processing and Communications Applications Conference, SIU 2014 -- 23 April 2014 through 25 April 2014 -- Trabzon -- 106053In this paper, a method is proposed for the detection of low probability of intercept, LPI signals in high noise ...
Can Uysal +3 more
core +3 more sources
International Journal of Antennas and Propagation, 2014 Widely distributed radar network architectures can provide significant performance improvement for target detection and localization. For a fixed radar network, the achievable target detection performance may go beyond a predetermined threshold with full
Chenguang Shi +3 more
doaj +1 more source
The Journal of Engineering, 2019 Based on the asymptotic spectral distribution of sample covariance matrix, a new low probability of interception (LPI) signal detection method for multi-antenna intercept receiver is proposed via reforming the noise sequence into a Wishart matrix.
Jun Chen +3 more
doaj +1 more source
LPI Radar Signals Modulation Recognition Based on ACDCA-ResNeXt
IEEE Access, 2023 For low probability of intercept (LPI) radar waveform identification accuracy (ACC) problem at low Signal-to-Noise Ratios (SNRs), an approach based on time-frequency analysis (TFA) and Asymmetric Dilated Convolution Coordinate Attention Residual networks
Xudong Wang +5 more
doaj +1 more source
Methods for analysis of LPI radar signals [PDF]
, 2006 LPI (Low Probability of Intercept) radars occupy wide frequency bands and have very low peak power so they are difficult to be detected by hostile intercept receivers.
Ozkazanc, Yakup, Tezel, Caner
core +1 more source
Improving Signal Security of Secondary Surveillance RADAR by Using Direct Sequence Spread Spectrum Technology [PDF]
علوم و فنون نظامی, 2020 Secondary radars are important equipment in the aviation industry. The basis of this system is the use of the L-band Q&A system for aircraft identification.
Jafar Khalilpur, Mohammad Farahmand rad
doaj +1 more source
Research on radar task scheduling with power constraint
The Journal of Engineering, 2019 Aiming at the task-scheduling problem of phased array radar subject to low probability of intercept (LPI), the radar radiation power constraint and power agility features are analysed.
Yong-Kun Wang, Shi-You Zheng
doaj +1 more source
Low Probability of Intercept Communication Based on Structured Radio Beams Using Machine Learning
IEEE Access, 2019 A low probability of intercept (LPI) communication system based on structured radio beams using machine learning is proposed. Information symbols can be physically encrypted on the structured radio beam realized by superposition of plane spiral orbital ...
Jialiang Zhou +4 more
doaj +1 more source
An Investigation of LPI Radar Waveforms Classification in RoF Channels
IEEE Access, 2019 Intensive research has been developed to either design or classify low probability of intercept (LPI) radar signals. These types of signals are used in different sensitive electronic warfare applications such as electronic support, electronic attack, and
Turki Alrubeaan +5 more
doaj +1 more source