Results 31 to 40 of about 8,956 (287)

Radar Signal Modulation Recognition Based on Deep Joint Learning [PDF]

open access: yesIEEE Access, 2020
The development of integrated avionics systems and electromagnetic spectrum technology has attracted widespread attention. It has further increased the performance requirements for modulation signal recognition technology in complex electromagnetic environments.
Dongjin Li   +3 more
openaire   +2 more sources

Modulation Recognition of Low-SNR UAV Radar Signals Based on Bispectral Slices and GA-BP Neural Network

open access: yesDrones, 2023
In this paper, we address the challenge of low recognition rates in existing methods for radar signals from unmanned aerial vehicles (UAV) with low signal-to-noise ratios (SNRs).
Xuemin Liu   +5 more
doaj   +1 more source

Radar Emitter Signals Recognition and Classification with Feedforward Networks

open access: yesProcedia Computer Science, 2013
AbstractA possible application of neural networks for timely and reliable recognition of radar signal emitters is investigated. In particular, a large data set of intercepted generic radar signal samples is used for investigating and evaluating several neural network topologies, training parameters, input and output coding and machine learning ...
Petrov, Nedyalko   +2 more
openaire   +1 more source

Dynamic Hand Gesture Recognition in In-Vehicle Environment Based on FMCW Radar and Transformer

open access: yes, 2021
Hand gesture recognition technology plays an important role in human-computer interaction and in-vehicle entertainment. Under in-vehicle conditions, it is a great challenge to design gesture recognition systems due to variable driving conditions, complex
Lianqing Zheng   +6 more
core   +1 more source

The SIMCA algorithm for processing Ground Penetrating Radar data and its use in landmine detection [PDF]

open access: yes, 2012
The main challenge of ground penetrating radar (GPR) based land mine detection is to have an accurate image analysis method that is capable of reducing false alarms.
Cockshott, W.P.   +3 more
core   +1 more source

Deep learning-based LPI radar signals analysis and identification using a Nyquist Folding Receiver architecture

open access: yesDefence Technology, 2023
Nyquist Folding Receiver (NYFR) is a perceptron structure that realizes a low probability of intercept (LPI) signal analog to information. Aiming at the problem of LPI radar signal receiving, the time domain, frequency domain, and time-frequency domain ...
Tao Wan, Kai-li Jiang, Hao Ji, Bin Tang
doaj   +1 more source

Radar signal recognition based on triplet convolutional neural network

open access: yesEURASIP Journal on Advances in Signal Processing, 2021
Recently, due to the wide application of low probability of intercept (LPI) radar, lots of recognition approaches about LPI radar signal modulations have been proposed.
Lutao Liu, Xinyu Li
doaj   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

open access: yesAdvanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele   +2 more
wiley   +1 more source

Intra-pulse modulation recognition of radar signal based on random forest

open access: yesDianxin kexue, 2016
To solve the existing problems of low recognition rate and noise problem in radar signal recognition,the fusion feature extraction method of time-frequency image and the random forest classifier is applied to the identification of radar signals.The radar
Ge LIU, Guoyi ZHANG, Yan YU
doaj   +2 more sources

LPI Radar Signals Modulation Recognition Based on ACDCA-ResNeXt

open access: yesIEEE 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 (ACDCA-ResNeXt) is proposed to recognize twelve kinds of LPI radar signals automatically. First, we
Xudong Wang   +5 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy