Results 31 to 40 of about 19,589 (169)

An Extended Robust Chance-Constrained Power Allocation Scheme for Multiple Target Localization of Digital Array Radar in Strong Clutter Environments

Remote Sensing, 2023
The traditional power allocation method for multi-target localization adopts the Robust Chance Constrained Power Allocation Scheme (RCC-PA), which does not consider the strong clutter characteristics in the current radar detection environment.
Chenyan Xue, Ling Wang, Daiyin Zhu
doaj   +1 more source

Joint Dwell Time and Bandwidth Optimization for Multi-Target Tracking in Radar Network Based on Low Probability of Intercept

Sensors, 2020
Radar network systems have been demonstrated to offer numerous advantages for target tracking. In this paper, a low probability of intercept (LPI)-based joint dwell time and bandwidth optimization strategy is proposed for multi-target tracking in a radar
Lintao Ding, Chenguang Shi, Wei Qiu, Jianjiang Zhou   +3 more
doaj   +1 more source

Multitask Joint Optimization Based SAR Target Recognition Model From Echo Data

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
To address the limitations of conventional synthetic aperture radar (SAR) target recognition, particularly the computational redundancy and error accumulation inherent in the imaging-first paradigm, the paper proposes echo-to-class network (E2CNet), an ...
Yiwen Wang, Fuxuan Cai, Jingjing Zhang, Zhongyuan Ji, Hui Bi   +4 more
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Microwave Photonic Channelizer Based on Polarization Multiplexing and Photonic Dual Output Image Reject Mixer

IEEE Access, 2019
Microwave photonic channelizer based on coherent frequency combs (OFCs) enables processing of ultra-wideband RF signals using low-frequency components.
Chenxu Xie, Dan Zhu, Wenjuan Chen, Shilong Pan   +3 more
doaj   +1 more source

Joint Aperture and Power Allocation Strategy for a Radar Network Localization System Based on Low Probability of Interception Optimization

Sensors, 2023
In the process of using the Distributed Radar Network Localization System (DRNLS) further to improve the survivability of a carrier platform, the random characteristics of the system’s Aperture Resource Allocation (ARA) and Radar Cross Section (RCS) are ...
Chenyan Xue, Ling Wang, Daiyin Zhu
doaj   +1 more source

Photonics-based real-time ultra-high-range-resolution radar with broadband signal generation and processing

Scientific Reports, 2017
Real-time and high-resolution target detection is highly desirable in modern radar applications. Electronic techniques have encountered grave difficulties in the development of such radars, which strictly rely on a large instantaneous bandwidth.
Fangzheng Zhang, Qingshui Guo, Shilong Pan   +2 more
doaj   +1 more source

Feature-Guided SAR-to-Optical Image Translation

IEEE Access, 2020
The powerful performance of Generative Adversarial Networks (GANs) in image-to-image translation has been well demonstrated in recent years. However, most methods are focused on completing an isolated image translation task.
Jiexin Zhang, Jianjiang Zhou, Xiwen Lu
doaj   +1 more source

Joint Transmit Power and Dwell Time Allocation for Multitarget Tracking in Radar Networks under Spectral Coexistence

Leida xuebao, 2023
For the resource allocation problem of multitarget tracking in a spectral coexistence environment, this study proposes a joint transmit power and dwell time allocation algorithm for radar networks.
Chenguang SHI, Jing DONG, Jianjiang ZHOU
doaj   +1 more source

Multiantenna GPS-Over-Fiber System for Attitude Determination Using Phase-Derived Range Measurement

IEEE Photonics Journal, 2019
A multiantenna global positioning system over fiber (GPS-over-fiber) system with real-time line bias monitoring is proposed for attitude determination of vehicles.
Xiangchuan Wang, Xin Jiang, Shupeng Li, Shilong Pan   +3 more
doaj   +1 more source

Dwell Time Allocation Algorithm for Multiple Target Tracking in LPI Radar Network Based on Cooperative Game

Sensors, 2020
To solve the problem of dwell time management for multiple target tracking in Low Probability of Intercept (LPI) radar network, a Nash bargaining solution (NBS) dwell time allocation algorithm based on cooperative game theory is proposed.
Chenyan Xue, Ling Wang, Daiyin Zhu
doaj   +1 more source