Results 71 to 80 of about 11,419,317 (219)

A new generation of automotive radar waveform design techniques

open access: yes, 2018
Radar sensors for automotive applications require extremely high performance figures in detection rate, accuracy and resolution. A real technical challenge is the simultaneous range and velocity measurement even in multiple target situations.
Fölster, Florian   +3 more
core   +1 more source

Robust Waveform Design for Multistatic Cognitive Radars

open access: yesIEEE Access, 2018
In this paper, we propose robust waveform techniques for multistatic cognitive radars in a signal-dependent clutter environment. In cognitive radar design, certain second order statistics such as the covariance matrix of the clutter, are assumed to be known.
Gaia Rossetti, Sangarapillai Lambotharan
openaire   +3 more sources

A Magnetically Programmable Metasurface for Versatile Scattering Manipulation in the Microwave Band

open access: yesAdvanced Electronic Materials, EarlyView.
A magnetically programmable metasurface converts external magnetic fields into microwave phase modulation, thereby removing surface bias wiring. This mechanism achieves both retro‐reflective beam control and radar scattering suppression, offering a contactless, barrier‐penetrating solution for on‐demand electromagnetic scattering reconfiguration ...
Lihao Zhu   +7 more
wiley   +1 more source

Sports Activity Recognition Using Textile‐Based Sensor Fusion and Complex‐Valued Residual Convolutional Neural Networks

open access: yesAdvanced Intelligent Systems, EarlyView.
Motion artifacts in electrocardiographic signals, conventionally dismissed as noise, are shown to encode discriminative activity information. A smart t‐shirt fusing textile strain sensors with textile ECG electrodes, processed through a complex‐valued residual network, recognizes 12 sport activities.
Nada Al‐azzawi   +4 more
wiley   +1 more source

Dual-functional radar-communication waveform trade-off optimal design with peak average power ratio constraint

open access: yes物联网学报, 2023
Based on the same hardware platform, spectrum resources, and transmit waveforms, dual-function radar-communication (DFRC) can achieve radar and communication functions at the same time, which provides a strong support for realizing integrated sensing and
Yuefeng HOU   +5 more
doaj   +2 more sources

An Overview of Waveform Optimization Methods for Cognitive Radar

open access: yesLeida xuebao, 2019
Cognitive radar can sense the battlefield environment and feed this information back to a transmitter by imitating the cognitive learning process of bats to enable self-adaptive detection and processing, which are vital for the future intelligent ...
CUI Guolong   +4 more
doaj   +1 more source

AI‐Powered Smart Displays and AR Glasses: Perspectives and Challenges

open access: yesAdvanced Intelligent Systems, EarlyView.
This perspective examines how AI is reshaping smart displays and AR glasses. The latest in image‐quality enhancement, sensor‐integrated display optimization, and physiological sensing in display systems, followed by AI‐assisted AR technologies including waveguide optimization, image compensation, foveated rendering, and multimodal sensing, is discussed.
Luke Benoit   +8 more
wiley   +1 more source

Power Allocation Strategies for MIMO Radar Waveform Design

open access: yesIranian Journal of Electrical and Electronic Engineering, 2011
The role of waveform design is central to effective radar resource management for state-of-the art radar systems. The waveform shape employed by any radar system has always been a key factor in determining the performance and application. The design of
A. Merline, S. J. Thiruvengadam
doaj  

Waveform design for cognitive radar in presence of jammer using Stackelberg game

open access: yesThe Journal of Engineering, 2019
With the development of modern electronic warfare, the jammer is becoming smarter than before and can be able to take actions according to the intercepted radar waveform.
Kang Li   +3 more
doaj   +1 more source

Ultrafast RF Spectrum Analyzer Assisted by Optical Short‐Time Fourier Transform

open access: yesAdvanced Physics Research, EarlyView.
We present Recent efforts in an ultrafast RF spectrum analyzer based on the short‐time Fourier transform (STFT) at over 10 MHz frame rate and over 40GHz bandwidth to improve performance and support applications. All these efforts could inspire more innovative applications of temporal imaging modalities in the future.
Liao Chen   +4 more
wiley   +1 more source

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