Results 61 to 70 of about 166,227,951 (129)

Detection of Unknown Radar Pulses Using Spiking Neural Networks

open access: yesIET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This article proposes to use spiking neural networks (SNNs) to detect multiple pulses in observation windows from a superheterodyne receiver. The method is described from encoding to postprocessing. New metrics are introduced to compare the proposed detection method to the energy detector (ED), to a detection based on difference Of boxes (DOB) filters ...
Alexia Tachet   +2 more
wiley   +1 more source

Optimal Power Allocation Strategy in a Joint Bistatic Radar and Communication System Based on Low Probability of Intercept

open access: yesSensors, 2017
In this paper, we investigate a low probability of intercept (LPI)-based optimal power allocation strategy for a joint bistatic radar and communication system, which is composed of a dedicated transmitter, a radar receiver, and a communication receiver ...
Chenguang Shi   +3 more
doaj   +1 more source

A Synchronization Approach Based on Bidirectional Correlation Search for Aperiodic Chaotic Direct Sequence Spread Spectrum Signals

open access: yesIEEE Access, 2020
The chaotic direct sequence spread spectrum (CD3S) is one of the distinguished techniques providing physical layer secrecy and low probability of intercept (LPI) in wireless communication.
Guogang Yuan   +4 more
doaj   +1 more source

Research on Phase Characteristics of FDA‐AWACS and Direction Finding Mechanism Based on Anti‐Phase Method

open access: yesIET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This paper investigates the phase‐frequency response characteristics of frequency diverse array (FDA) radar on airborne warning and control system (AWACS) platforms and its deception mechanism against interferometric direction finders, aiming to address the vulnerability of AWACS to precise interception by passive direction‐finding systems due to poor ...
Jing Zhang, Bo Wang, Haowei Zhang
wiley   +1 more source

Intra-pulse Modulation Recognition of LPI Radar Signals Based on Improved MobileNet [PDF]

open access: yesRadioengineering
Addressing the challenge of feature extraction for Low Probability of Intercept (LPI) radar signals under low signal-to-noise ratio conditions, this study introduces a new method for intra-pulse modulation recognition of LPI radar signals based on an ...
J. Wu   +5 more
doaj  

RBViT: Enhanced Versatile Representations and Noise Resistance Vision Transformer for Modulation Recognition

open access: yesIET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This paper proposes a radar intra‐pulse modulation recognition method based on the transformer architecture, named RBViT. By designing multi‐scale input embeddings and introducing a novel position encoding based on radial basis functions (RBF), the algorithm significantly enhances recognition performance under a low signal‐to‐noise ratio (SNR ...
Baihong Chen, Wei Wang, Bin Rao
wiley   +1 more source

Development of Indonesian low probability of intercept (LPI) radar system

open access: yes, 2017
In this paper, the development of a low probability of intercept (LPI) radar based on frequency modulated-continuous wave (FM-CW) technology is described. This LPI radar was mounted on a naval ship.
Husna Zayadi
core  

Methods for analysis of LPI radar signals

open access: yes, 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

Robust LPI Radar Signal Recognition via SNR‐Guided Generative Restoration and Active Recurrent Glance‐and‐Focus

open access: yesIET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
To address the challenge of low probability of intercept (LPI) radar signal recognition under low SNR conditions, this paper proposes a unified framework integrating SNR‐guided generative restoration with an active recurrent glance‐and‐focus classification strategy. By leveraging an RA‐UnetJiT restoration network and a deep reinforcement learning agent,
Yu Cheng   +4 more
wiley   +1 more source

Antenna Array Beamforming for Low Probability of Intercept Radars [PDF]

open access: yes, 2013
A radar system's focus on low probability of intercept (LPI) performance has become increasingly important as systems designed for electronic support measures (ESM) and electronic counter measures (ECM) continue to become more prevalent.
Goad, Daniel
core  

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