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481
High-Power MHz to 100s of GHz Circuits and Systems for Nuclear Fusion Reactors With Examples From SST-1 and ITER
Published 2024-01-01Subjects: Get full text
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482
Angular Circle Array Multiple Input Multiple Output Underwater Optical Wireless Communications
Published 2024-12-01“…Results show that the proposed angular circular array MIMO communication system has a higher channel capacity compared to planar circular array MIMO communication systems and SISO communication systems.…”
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483
Experimental Study of Reconfigurable Visible Light Communications Based on Holographic Spot Array Generations
Published 2018-01-01“…The multicast transmission of the system using holographic spot array generation was achieved through an efficient design of near-field computer generated hologram based on Gerchberg–Saxton (GS) algorithm. …”
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484
Application of an improved spherical omnidirectional loudspeaker array model in environmental noise pollution control
Published 2025-07-01“…In response, the paper proposes an innovative method for spatial target tracking and noise control based on spherical omnidirectional loudspeaker arrays. The process begins by constructing a precise model of the spherical omnidirectional loudspeaker array that accurately reflects the spatial coverage characteristics of sound wave propagation. …”
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485
Performance Assessment of a GNSS Antenna Array with Digital Beamforming Supported by an FPGA Platform
Published 2025-05-01“…Global Navigation Satellite System (GNSS) is the most common method; however, traditional systems may have high position errors due to the signal’s path between the satellite and the receiver’s antenna. …”
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486
Robust Adaptive Beamforming Algorithm for Sparse Array Based on Covariance Matrix Reconstruction Technology
Published 2022-01-01Get full text
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487
Experimental Study on Nonlinear Motion Characteristics of Clean and Biofouling Aquaculture Cage Array in Waves
Published 2024-12-01“…This paper aimed to understand the nonlinear dynamic responses that arise from the interaction between waves and a biofouling aquaculture cage array. To that end, physical model tests of a biofouling aquaculture cage array in a 1 <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mo>×</mo></semantics></math></inline-formula> 3 configuration in regular waves were conducted. …”
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488
Accelerating Deep Learning-Based Morphological Biometric Recognition with Field-Programmable Gate Arrays
Published 2025-01-01“…To tackle these issues, it is essential to construct a system based on field-programmable gate arrays (FPGAs) to speed up CNNs. …”
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489
Enhanced Performance of Microstrip Antenna Arrays through Concave Modifications and Cut-Corner Techniques
Published 2025-01-01“… This paper presents the design and analysis of a high-performance 4×1 linear microstrip-fed antenna array optimized for wireless communication systems operating at 2.45 GHz. …”
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490
Ocean Surface Current Observation with a Dual Monopole-Cross-Loop Antenna Array
Published 2017-01-01“…But it decreased to 12.64 cm/s for the dual MCL antenna array. Moreover, the temporal coverage rate also showed the benefit of using this antenna system in current mapping. …”
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491
Research on the Architecture of Phased Array Antenna of LEO Communication Satellites Based on Hybrid Beamforming
Published 2021-06-01“…Due to the characteristics of low earth orbit (LEO) communication satellite system like low propagation loss, small propagation delay and high pointing accuracy, a hybrid architecture-“analog beamforming stage and digital beamforming (DBF) stage” was proposed, and the principle and advantages of hybrid beamforming were analyzed.Through three dimensional integrating of multi-channel RF frontend chips, mixers, dedicated DBF ASIC chips, and tiles phased array anntena arrays, the proposed hybrid beamforming could be expanded or spliced.This hybrid architecture achieved the optimization of performance, cost, complexity and power consumption, and provided a reference for China to build space based internet of things system and reconfi gurable phased array antenna system in the future.…”
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492
A Numerical Integration Method for Calculating the Bit Error Rate of Time-Modulated Array
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493
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494
Energy Efficient Multi-Active/Multi-Passive Antenna Arrays for Portable Access Points
Published 2024-11-01“…This is due to their reduced number of radio frequency chains, which decreases the cost and weight of the base station system. MAMPs can show a performance close to traditional multiple input/multiple output (MIMO) systems that use as many antenna elements as RF chains and to phased arrays. …”
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495
Spatially Arrayed Long Period Gratings in Multicore Fiber by Programmable Electrical Arc Discharge
Published 2017-01-01Get full text
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496
Research on Parameter Distribution Features of Photovoltaic Array under the Cover and Shadow Shading Conditions
Published 2018-01-01“…The shading causes a decrease in output power of photovoltaic system and may bring hot spots which causes physical damage to the array. …”
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497
Analysis of Fault Detection and Classification in Photovoltaic Arrays Using Neural Network-Based Methods
Published 2025-06-01“…Photovoltaic (PV) systems are vital in the global renewable energy landscape because of their capability to harness solar energy efficiently. …”
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498
Ultra-broadband acoustic absorber based on periodic acoustic rigid-metaporous composite array
Published 2025-01-01Get full text
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499
An indoor positioning method based on bluetooth array/PDR fusion using the SVD-EKF
Published 2025-02-01“…An angle measurement and positioning system based on wireless signal array antennas can achieve high accuracy in indoor unblocked conditions. …”
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500
Optical multi-wavelength selectors based on distributed feedback chirped grating in arrays of graphene
Published 2025-08-01“…The entire system exhibits central symmetry. When light is incident on this chirped system, it facilitates a multi-mode resonant output. …”
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