Results 61 to 70 of about 564 (134)

Multiple‐input multiple‐output with frequency diverse array radar transmit beamforming design for low‐probability‐of‐intercept in cluttered environments

open access: yesIET Signal Processing, 2022
Multiple‐input multiple‐output with frequency diverse array (FDA‐MIMO) radar has drawn great attention due to providing the range‐angle beampattern via designing the transmit beamforming matrix.
Panke Jiang   +3 more
doaj   +1 more source

Automatic LPI Radar Signal Sensing Method Using Visibility Graphs

open access: yesIEEE Access, 2020
The issue of the low probability of intercept (LPI) radar signal sensing has received considerable attention. Furthermore, the development of military technology further increased demand for it in future electronic warfare (EW).
Tao Wan   +4 more
doaj   +1 more source

Time–Frequency Image-Based Overlapping LPI Radar Signal Detection and Recognition with LPI-YOLO

open access: yesSensors
Accurate recognition of overlapping low-probability-of-intercept (LPI) radar signals under low signal-to-noise ratio (SNR) conditions remains a challenging problem in electronic reconnaissance.
Hongbin Pan   +4 more
doaj   +1 more source

Noise radar technology: Pseudorandom waveforms and their information rate [PDF]

open access: yes, 2014
The well-known LPI (Low Probability of Intercept) and antispoofing capabilities of some radar waveforms as well some other desirable feature such as a low sidelobes level of their autocorrelation function can be enhanced by “tailored” pseudo-random ...
Francesco De Palo   +8 more
core   +1 more source

Analysis of low probability of intercept (LPI) radar signals using the Wigner Distribution [PDF]

open access: yes, 2004
The parameters of Low Probability of Intercept (LPI) radar signals are hard to identify by using traditional periodogram signal processing techniques. Using the Wigner Distribution (WD), this thesis examines eight types of LPI radar signals.
Gau, Jen-Yu
core  

LPI time-based TMS against high-sensitivity ESM [PDF]

open access: yes, 2018
Low probability of interception (LPI) time refers to a time during which a certain airborne radar system is tracking the target without being intercepted by a high-sensitivity electronic support measurement (HSESM) on the target.
Yu, Siwei   +3 more
core   +1 more source

Joint Design of LPI Transmit Waveform and Receive Beamforming Based on Neural Networks for FDA-MIMO

open access: yesLeida xuebao
Traditional Low Probability of Intercept (LPI) array radars that use phased array or Multiple-Input Multiple-Output (MIMO) systems face limitations in terms of controlling radiation energy only at specific angles and cannot achieve energy control over ...
Deshun LIU   +3 more
doaj   +1 more source

Hybridization of Cognitive Radar and Phased Array Radar Having Low Probability of Intercept Transmit Beamforming

open access: yesInternational Journal of Antennas and Propagation, 2014
A novel design of a cognitive radar (CR) hybridized with a phased array radar (PAR) having a low probability of intercept (LPI) transmit beam forming is proposed. PAR directed high gain property reveals its position to interceptors.
Abdul Basit   +4 more
doaj   +1 more source

On The Identification of Low Probability of Intercept Radar Signals using Time-Frequency Signal Analysis and Processing [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2019
Low probability of intercept (LPI) radar signals are gaining recognition in the field of electronic warfare (EW) due to their unique characteristics. This paper presents an alternative method of analyzing and identifying these LPI signals using Wigner ...
AHMAD Ashraf Adamu   +3 more
doaj  

Generation of pseudo-random sequences for noise radar applications [PDF]

open access: yes, 2014
Noise Radar Technology (NRT) is nowadays a promising tool in radar systems. It is based on the transmission of waveforms composed of many noisy samples, which behave as LPI (Low Probability of Intercept) and antispoofing signals.
Francesco De Palo   +8 more
core   +1 more source

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