English
Related papers

Related papers: Multi-objective optimization of longitudinal injec…

200 papers

This paper presents the design of a rapid cycling synchrotron (RCS) featuring a longitudinal localized kick driven fast extraction system for three-dimensional (3D) pencil beam scanning (PBS) proton FLASH delivery. The extraction method is…

Accelerator Physics · Physics 2026-05-14 Yang Xiong , Hongjuan Yao , Shuxin Zheng

Magnet errors in storage rings significantly degrade beam performance, impacting the brightness and stability of the light source. Therefore, beam-based correction is crucial for the safe operation of machines and the stability of radiated…

Accelerator Physics · Physics 2025-12-18 Jianhao Xu

In recent years, dielectric rod based metasurface lenses have been particularly investigated for their potential applications in replacing the traditional bulky lens with high efficiency. However, the isolated granular structure may lead to…

Optics · Physics 2017-10-25 Jun Yuan , Ge Yin , Wei Jiang , Wenhui Wu , Yungui Ma

Indoor positioning faces ongoing challenges due to complex propagation conditions, such as multipath propagation, signal blockages, and intrinsic target characteristics that substantially impact measurement reliability and positioning…

Signal Processing · Electrical Eng. & Systems 2026-03-23 Maximiliano Rivera Figueroa , Jannis Held , Pradyumna Kumar Bishoyi , Marina Petrova

This Paper presents the methodology of penetration of Micro-Grids (MG) in the radial distribution system (RDS). The aim of this paper is to minimize a total real power loss that descends the performance of the radial distribution system by…

Neural and Evolutionary Computing · Computer Science 2014-06-18 Eswari. J , Dr. S. Jeyadevi

Adaptive Radio Resource Allocation is essential for guaranteeing high bandwidth and power utilization as well as satisfying heterogeneous Quality-of-Service requests regarding next generation broadband multicarrier wireless access networks…

Information Theory · Computer Science 2012-11-19 Antonis G. Gotsis , Dimitris I. Komnakos , Demosthenes D. Vouyioukas , Philip Constantinou

This paper proposes a robust reduced-rank scheme for adaptive beamforming based on joint iterative optimization (JIO) of adaptive filters. The novel scheme is designed according to the constant modulus (CM) criterion subject to different…

Information Theory · Computer Science 2013-01-30 Lei Wang , Rodrigo C. de Lamare

We demonstrate that multipoint Bayesian algorithm execution can overcome fundamental computational challenges in storage ring design optimization. Dynamic (DA) and momentum (MA) optimization is a multipoint, multiobjective design task for…

Accelerator Physics · Physics 2025-11-25 Z. Zhang , I. Agapov , S. Gasiorowski , T. Hellert , W. Neiswanger , X. Huang , D. Ratner

Directly modulated lasers (DMLs) are an attractive technology for short-reach intensity modulation and direct detection communication systems. However, their complex nonlinear dynamics make the modeling and optimization of DML-based systems…

Signal Processing · Electrical Eng. & Systems 2025-12-29 Sergio Hernandez , Christophe Peucheret , Francesco Da Ros , Darko Zibar

The realization of ultra-compact passive silicon photonic devices is becoming more and more important for the future large-scale photonic integration as desired for many systems. Although some compact silicon photonic devices have been…

Optics · Physics 2022-12-05 Jingshu Guo , Laiwen Yu , Hengtai Xiang , Yuqi Zhao , Chaoyue Liu , Daoxin Dai

Fourth-generation storage-ring light sources have achieved transverse emittances approaching the diffraction limit at x-ray wavelengths, while their longitudinal coherence remains limited. Existing laser-modulation schemes can induce strong…

Accelerator Physics · Physics 2026-03-09 Weihang Liu , Yu Zhao , Weilun Qin , Yi Jiao , Xiao Li , Sheng Wang

In this paper, a liquid lens-based imaging receiver is proposed for multiple-input multiple-output (MIMO) visible light communication (VLC) systems. By dynamically adjusting the focal length and orientation angles of the liquid lens, the…

Signal Processing · Electrical Eng. & Systems 2025-08-08 Kapila W. S. Palitharathna , Christodoulos Skouroumounis , Ioannis Krikidis

Large antenna arrays can be used to generate highly focused beams that support very high data rates and reduced energy consumption. However, optimal beam focusing requires large amount of feedback from the users in order to choose the best…

Information Theory · Computer Science 2015-10-06 Abdoulaye Tall , Zwi Altman , Eitan Altman

In this paper, a multi-objective optimization problem (MOOP) is proposed for maximizing the achievable finite blocklength (FBL) rate while minimizing the utilized channel blocklengths (CBLs) in a reconfigurable intelligent surface…

Information Theory · Computer Science 2022-06-03 Ramin Hashemi , Samad Ali , Nurul Huda Mahmood , Matti Latva-aho

Multi-photon microscopy is a powerful tool in biomolecular research. Less complex and more cost effective excitation light sources will make this technique accessible to a broader community. Especially semiconductor diode seeded fiber…

Diffractive lenses have recently been applied to the domain of multispectral imaging in the X-ray and UV regimes where they can achieve very high resolution as compared to reflective and refractive optics. Conventionally, spectral…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Evan Widloski , Ulas Kamaci , Farzad Kamalabadi

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…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Adam Rogers , Jason D. Fiege

Constrained environments, such as indoor and urban settings, present a significant challenge for accurate moving object positioning due to the diminished line-of-sight (LoS)communication with the wireless anchor used for positioning. The…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Qamar Bader , Sharief Saleh , Mohamed Elhabiby , Aboelmagd Noureldin

We present a theoretical framework and practical methodology for designing high-efficiency metagratings (MGs), sparse periodic arrangements of subwavelength polarizable particles (meta-atoms), on low-cost dielectric substrates with…

Applied Physics · Physics 2026-01-19 Oz Diker , Ariel Epstein

Multi-objective learning endeavors to concurrently optimize multiple objectives using a single model, aiming to achieve high and balanced performance across diverse objectives. However, this often entails a more complex optimization…

Machine Learning · Computer Science 2025-05-16 Shijun Li , Hilaf Hasson , Jing Hu , Joydeep Ghosh
‹ Prev 1 4 5 6 7 8 10 Next ›