Results 11 to 20 of about 11,419,317 (219)

OTFS Radar Waveform Design Based on Information Theory [PDF]

Entropy
In this work, we consider the waveform design for radar systems based on orthogonal time–frequency space (OTFS). The conditional mutual information (CMI), chosen as a promising metric for assessing the radar cognitive capability, serves as the criterion ...
Qilong Miao, Ling Kuang, Ge Zhang, Yu Shao   +3 more
doaj   +2 more sources

A Survey on Waveform Design for Radar-Communication Convergence

IEEE Access
To provide service to an abundant number of communication users and to avoid the spectrum scarcity problem, many researchers are fascinated to work towards the convergence of radar sensing and communication systems.
Ashoka Chakravarthi Mahipathi, Bethi Pardhasaradhi, Purushottama Lingadevaru, Pathipati Srihari, John D'Souza, Linga Reddy Cenkeramaddi   +5 more
doaj   +2 more sources

Radar waveform generative design method

Electronics Letters
To address the issue of radar detection performance degradation caused by interference in complex electromagnetic environments, this paper proposes a generative waveform design method and demonstrates its advantages.
Yuhao Hu, Weidong Hu, Xiaoyong Du, Gang Lei   +3 more
doaj   +2 more sources

An Adaptive Multi-Target Radar Waveform Design Based on PWS Algorithm [PDF]

Entropy, 2019
Due to the uncertainty of radar target prior information in actual scenes, waveform design based on radar target prior information cannot meet the requirements of detection performance and parameter estimation.
Bin Wang, Shumin Li, Xishi Wang, Xin Li
doaj   +2 more sources

Overview of Radar Jamming Waveform Design

Remote Sensing
Radar jamming waveform design is a vital part of radar jamming. Over seven to eight decades of evolution, the field has transitioned from noise signal design to coherent jamming signal design, resulting in a multitude of complex jamming styles capable of
Yu Pan, Didi Xie, Yurui Zhao, Xiang Wang, Zhitao Huang   +4 more
doaj   +2 more sources

A Survey of Collocated MIMO Radar

Leida 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, Ziyang CHENG, Jun LI, Wei ZHANG, Jingxi SHI, Yang SU, Minglong DENG   +6 more
doaj   +1 more source

SINR- and MI-Based Double-Robust Waveform Design

Entropy, 2022
Owing to cognitive radar breaking the open-loop receiving–transmitting mode of traditional radar, adaptive waveform design for cognitive radar has become a central issue in radar system research.
Fengming Xin, Jing Li, Yan Wang, Mingfeng Zhang   +3 more
doaj   +1 more source

Radar-centric DFRC Signal Design: Overview and Future Research Avenues

Leida xuebao, 2023
During the confrontation of electronic systems, it is challenging to deal with the enemy’s comprehensive electronic weapons by simply combining electronic equipment, such as radar, communication, surveillance, and jammers. Hence, to meet the requirements
Xianxiang YU, Xue YAO, Jing YANG, Jun LU, Guolong CUI, Lingjiang KONG   +5 more
doaj   +1 more source

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

Remote 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, Wei Yang, Xiangfeng Qiu, Wenpeng Zhang, Zhejun Lu, Weidong Jiang   +5 more
doaj   +1 more source

Airborne Radar Anti-Jamming Waveform Design Based on Deep Reinforcement Learning

Sensors, 2022
Airborne radars are susceptible to a large number of clutter, noise and variable jamming signals in the real environment, especially when faced with active main lobe jamming, as the waveform shortcut technology in the traditional regime can no longer ...
Zexin Zheng, Wei Li, Kun Zou
doaj   +1 more source