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相关论文: Optimization of OFDM radar waveforms using genetic…

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In tracking radar, the sensing environment often varies significantly over a track duration due to the target's trajectory and dynamic interference. Adapting the radar's waveform using partial information about the state of the scene has…

信息论 · 计算机科学 2021-08-04 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

This paper presents a solution to Autonomous Underwater Vehicles (AUVs) large scale route planning and task assignment joint problem. Given a set of constraints (e.g., time) and a set of task priority values, the goal is to find the optimal…

机器人学 · 计算机科学 2016-12-06 S. Mahmoud Zadeh , D. Powers , K. Sammut , A. Lammas , A. M. Yazdani

Several approaches exist to model gravitational lens systems. In this study, we apply global optimization methods to find the optimal set of lens parameters using a genetic algorithm. We treat the full optimization procedure as a two-step…

宇宙学与河外天体物理 · 物理学 2015-06-11 Adam Rogers , Jason D. Fiege

We propose genetic algorithms, which are robust optimization techniques inspired by natural selection, to enhance the versatility of digital quantum simulations. In this sense, we show that genetic algorithms can be employed to increase the…

量子物理 · 物理学 2016-06-22 U. Las Heras , U. Alvarez-Rodriguez , E. Solano , M. Sanz

A transmitted, unknown radar signal is observed at the receiver through more than one path in additive noise. The aim is to recover the waveform of the intercepted signal and to simultaneously estimate the direction of arrival (DOA). We…

统计理论 · 数学 2011-03-30 Tabea Rebafka , Céline Lévy-Leduc , Maurice Charbit

Joint radar receive filter and waveform design is non-convex, but is individually convex for a fixed receiver filter while optimizing the waveform, and vice versa. Such classes of problems are fre- quently encountered in optimization, and…

信号处理 · 电气工程与系统科学 2018-02-20 Pawan Setlur , Sean O'Rourke , Muralidhar Rangaswamy

A new circularly pulse-shaped (CPS) precoding orthogonal frequency division multiplexing (OFDM) waveform, or CPS-OFDM for short, is proposed in this paper. CPS-OFDM, characterized by user-specific precoder flexibility, possesses the…

信息论 · 计算机科学 2024-10-30 Yenming Huang , Borching Su

In this paper, we propose and evaluate rate-maximizing pilot configurations for Unmanned Aerial Vehicle (UAV) communications employing OFDM waveforms. OFDM relies on pilot symbols for effective communications. We formulate a…

网络与互联网体系结构 · 计算机科学 2018-05-24 Raghunandan M. Rao , Vuk Marojevic , Jeffrey H. Reed

Orthogonal frequency division multiplexing - integrated sensing and communication (OFDM-ISAC) has emerged as a key enabler for future wireless networks, leveraging the widely adopted OFDM waveform to seamlessly integrate wireless…

信号处理 · 电气工程与系统科学 2025-04-10 Peishi Li , Ming Li , Rang Liu , Qian Liu , A. Lee Swindlehurst

The choices of hyperparameters have critical effects on the performance of machine learning models. In this paper, we present a general framework that is able to construct an adaptive optimizer, which automatically adjust the appropriate…

机器学习 · 计算机科学 2022-01-31 Huayuan Sun

This study investigates the problem of angle-based localization of multiple targets using a multistatic OFDM radar. Although the maximum likelihood (ML) approach can be employed to merge data from different radar pairs, this method requires…

信号处理 · 电气工程与系统科学 2024-04-30 Martin Willame , Hasan Can Yildirim , Laurent Storrer , François Horlin , Jérôme Louveaux

This paper presents a method for optimizing the sliding mode control (SMC) parameter for a robot manipulator applying a genetic algorithm (GA). The objective of the SMC is to achieve precise and consistent tracking of the trajectory of the…

机器人学 · 计算机科学 2025-08-07 Vu Ngoc Son , Pham Van Cuong , Dao Thi My Linh , Le Tieu Nien

In this study, an interplanetary space flight mission design is established to obtain the minimum \(\Delta V\) required for a rendezvous and sample return mission from an asteroid. Given the initial (observed) conditions of an asteroid, a…

天体物理仪器与方法 · 物理学 2015-08-20 Sean Fritz , Kamran Turkoglu

We consider the problem of classifying radar pulses given raw I/Q waveforms in the presence of noise and absence of synchronization. We also consider the problem of classifying multiple superimposed radar pulses. For both, we design deep…

机器学习 · 计算机科学 2021-12-06 Michael Wharton , Anne M. Pavy , Philip Schniter

Recent advances in iterative wavefront shaping (WFS) techniques have made it possible to manipulate the light focusing and transport in scattering media. To improve the optimization performance, various optimization algorithms and improved…

光学 · 物理学 2022-11-22 Hui Liu , Xiangyu Zhu , Xiaoxue Zhang , Yongquan Liao , Xudong Chen , Zhili Lin

Nature-inspired algorithms are among the most powerful algorithms for optimization. This paper intends to provide a detailed description of a new Firefly Algorithm (FA) for multimodal optimization applications. We will compare the proposed…

最优化与控制 · 数学 2010-03-09 Xin-She Yang

In real-time trajectory planning for unmanned vehicles, on-board sensors, radars and other instruments are used to collect information on possible obstacles to be avoided and pathways to be followed. Since, in practice, observations of the…

统计方法学 · 统计学 2013-09-25 Adriano Zanin Zambom , Julian A. A. Collazos , Ronaldo Dias

We present superconducting quantum circuits which exhibit atomic energy spectrum and selection rules as ladder and lambda three-level configurations designed by means of genetic algorithms. These heuristic optimization techniques are…

量子物理 · 物理学 2025-06-17 F. A. Cárdenas-López , J. C. Retamal , Xi Chen , G. Romero , M. Sanz

This work aims at optimizing injection networks, which consist in adding a set of long-range links (called bypass links) in mobile multi-hop ad hoc networks so as to improve connectivity and overcome network partitioning. To this end, we…

神经与进化计算 · 计算机科学 2007-07-23 Gregoire Danoy , Pascal Bouvry , Matthias R. Brust , Enrique Alba

The techniques and analysis presented in this thesis provide new methods to solve optimization problems posed on Riemannian manifolds. These methods are applied to the subspace tracking problem found in adaptive signal processing and…

最优化与控制 · 数学 2013-05-09 Steven Thomas Smith