Results 21 to 30 of about 24,447 (196)

Information-Theoretic Optimal Radar Waveform Selection With Multi-Sensor Cooperation for LPI Purpose

open access: yesIEEE 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

Cognitive Radar Waveform Design Method under the Joint Constraints of Transmit Energy and Spectrum Bandwidth

open access: yesRemote Sensing, 2023
The water-filling (WF) algorithm is a widely used design strategy in the radar waveform design field to maximize the signal-to-interference-plus-noise ratio (SINR).
Chen Yang   +5 more
doaj   +1 more source

Optimizing waveforms for positioning in 5G [PDF]

open access: yes2016 IEEE 17th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2016
Today's mobile radio systems deploy reference signals which can be used or which are even dedicated for signal propagation delay-based mobile terminal positioning. Usually, the signal power of such reference signals is uniformly distributed over the available spectrum.
Dammann, Armin   +4 more
openaire   +1 more source

MIMO Radar Waveform Joint Optimization in Spatial-Spectral Domain for Anti-Interference

open access: yesIEEE Access, 2021
Aiming at the target detection problem of MIMO radar under the condition of both spatial and spectral domain interferences, a waveform design method for MIMO radar based on joint optimization of spatial and spectral domain interferences suppression in ...
Chun-Hua Chu, Qun Zhang, Yi-Jun Chen
doaj   +1 more source

A Novel Joint Radar-communication Waveform Design Method Based on Distributed Aperture

open access: yesLeida xuebao, 2023
Joint radar-communication waveform design has been the focus of intensive research in recent years. The integrated waveform based on a collocated antenna can simultaneously detect targets and communicate with multiple users in different directions ...
Liu LIU   +4 more
doaj   +1 more source

Optimized waveform for energy efficient ranging [PDF]

open access: yes2017 14th Workshop on Positioning, Navigation and Communications (WPNC), 2017
Mobile communication terminals exploit existing reference signal structures for propagation delay based positioning. However, the used waveforms are not optimized for energy efficiency and improved ranging performance for positioning. Recently, a parametric waveform with adaptable power spectral density has been proposed in the context of 5G, and has ...
Staudinger, Emanuel   +2 more
openaire   +1 more source

Optimal waveform design for UWB radios [PDF]

open access: yesIEEE Transactions on Signal Processing, 2004
With transmit power spectra strictly limited by regulatory spectral masks, the emerging ultra-wideband (UWB) communication systems call for judicious pulse shape design in order to achieve optimal spectrum utilization, spectral mask compatibility, and coexistence with other wireless services.
Xianren Wu   +3 more
openaire   +1 more source

Time Reversal Detection for Moving Targets in Clutter Environments

open access: yesRemote Sensing, 2023
Moving target detection plays a pivotal role in many applications, especially in radar systems. In addition, time-reversal (TR) technology can improve radar detection probability by effectively solving the problem of multipath signals. However, detection
Hao Lian   +4 more
doaj   +1 more source

Benefits of Waveform Relaxation Method and Output Space Mapping for the Optimization of Multirate Systems [PDF]

open access: yes, 2014
We present an optimization problem that requires to model a multirate system, composed of subsystems with different time constants. We use waveform relaxation method in order to simulate such a system.
CLENET, Stephane   +3 more
core   +1 more source

A Survey of Collocated MIMO Radar

open access: yesLeida xuebao, 2022
As a novel radar system, the Multiple-Input Multiple-Output (MIMO) radar with waveform diversity has demonstrated excellent performance in several aspects, including target detection, parameter estimation, radio frequency stealth, and anti-jamming ...
Zishu HE   +6 more
doaj   +1 more source

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