Showing 121 - 140 results of 266 for search 'optimal phased array', query time: 0.10s Refine Results
  1. 121

    Energy and exergy analysis of a newly designed photovoltaic thermal system featuring ribs, petal array, and coiled twisted tapes: Experimental analysis by Banw Omer Ahmed, Adnan Ibrahim, Hariam Luqman Azeez, Sharul Sham Dol, Ali H.A. Al-Waeli, Mahmoud Jaber

    Published 2024-11-01
    “…The new design features ribs and petal arrays on its inner and outer surfaces and a coiled twisted tape positioned inside it. …”
    Get full text
    Article
  2. 122

    MIMO radar DOA element position error correction method based on overlapping reference element matrix reconstruction by Feng Tian, Tianyu Wei, Weibo Fu, Siyuan Wang

    Published 2025-05-01
    “…This method uses overlapping virtual array elements as references, corrects the array element position error by phase difference, and constructs an error compensation matrix to eliminate the virtual array position error. …”
    Get full text
    Article
  3. 123

    Inverse-Designed Ultra-Compact Passive Phase Shifters for High-Performance Beam Steering by Tianyang Fu, Mengfan Chu, Ke Jin, Honghan Sha, Xin Yan, Xueguang Yuan, Yang’an Zhang, Jinnan Zhang, Xia Zhang

    Published 2024-11-01
    “…Ultra-compact passive phase shifters are inversely designed by the multi-objective particle swarm optimization algorithm. …”
    Get full text
    Article
  4. 124

    Phase-Shift Control for Enhancing Misalignment Tolerance in UCA-Based OAM-MIMO Systems by Norifumi Kamiya, Masahiro Kawai, Eisaku Sasaki

    Published 2025-01-01
    “…To mitigate this issue, we propose a novel closed-loop OAM system featuring adaptive phase-shift control for transmission signals. We also introduce efficient methods for optimizing the phase shift. …”
    Get full text
    Article
  5. 125
  6. 126

    Non-contact measurement method of three-phase cable voltage based on inverse calculation of electric field by ZHANG Songhui, CHEN Zijian, MA Chaojun, CHEN Qing, LIU Tao, TAN Yekui

    Published 2025-03-01
    “…An optimal analytical calculation model of three-phase cable electric field distribution is established by combining the actual parameters of three-phase cable. …”
    Get full text
    Article
  7. 127

    An Advanced Method for Precise ULA SIMO Radar Calibration Utilizing Synthetic Aperture Radar Imaging Artifacts by Michael Braunwarth, Johanna Geiss, Erik Sippel, Martin Vossiek

    Published 2025-01-01
    “…This publication presents a novel calibration method that achieves exceptionally high accuracy for single-input multiple-output (SIMO) radars with uniform linear arrays (ULAs) by estimating amplitude and phase deviations as well as mutual coupling between the channels. …”
    Get full text
    Article
  8. 128
  9. 129

    A Non-PCM-Based 2 × 2 MIMO Antenna Array With Low Radar Cross-Section Using Characteristic Mode Analysis by Manzoor Elahi, Slawomir Koziel, Leifur Leifsson

    Published 2025-01-01
    “…In this paper, we introduced a <inline-formula> <tex-math notation="LaTeX">$2 \times 2$ </tex-math></inline-formula> multiple-input-multiple-output (MIMO) antenna array using a non-polarization conversion metasurface (NPCM) with reduced radar cross section (RCS). …”
    Get full text
    Article
  10. 130

    A Ku-Band 6-Bit Vector-Sum Phase Shifter With Half-Quadrant Control Technique by Tianjun Wu, Xiaoning Zhang, Zhao Xing, Yunqiu Wu, Huihua Liu, Chenxi Zhao, Yiming Yu, Kai Kang

    Published 2020-01-01
    “…This paper presents a 6-bit vector-sum phase shifter with half-quadrant control technique for Ku-band phased arrays. …”
    Get full text
    Article
  11. 131

    Novel PV Simulator Based on Reactive Power Adjustment of PWM Rectifier by BAI Jiancheng, JIN Xinmin, JING Long, DAI Linwang

    Published 2014-01-01
    “…A PV array simulator was presented based on three-phase voltage PWM rectifier. …”
    Get full text
    Article
  12. 132

    Experimental Demonstration of Coherent Combining With Tip/Tilt Control Based on Adaptive Space-to-Fiber Laser Beam Coupling by Feng Li, Chao Geng, Guan Huang, Yan Yang, Xinyang Li, Qi Qiu

    Published 2017-01-01
    “…Such characteristic gives the AFOC array capacities of real-time correction of fast-changing turbulence induced tip&#x002F;tilt-type phase errors. …”
    Get full text
    Article
  13. 133
  14. 134
  15. 135

    Nitrogen-rich covalent organic polymers for efficient solid phase extraction of nonsteroidal anti-inflammatory drugs from water samples by Yuqi Cheng, Jia Li, Xiaochen Xiu, Xinghua Teng, Wen Zhang, Lei Ji, Leilei Wang

    Published 2025-02-01
    “…Then, utilizing nitrogen-rich covalent organic polymer as adsorbent for solid phase extraction cartridges, the pretreatment method was combined with high-performance liquid chromatography-diode array detection to quantify five representative NSAIDs (ketoprofen, carprofen, flurbiprofen, diclofenac and mefenamic acid) in environmental water samples. …”
    Get full text
    Article
  16. 136

    Cable External Breakage Source Localization Method Based on Improved Generalized Cross-Correlation Phase Transform with Multi-Sensor Fusion by Xuwen Wang, Jiang Li

    Published 2025-05-01
    “…By constructing a secondary cross-shaped sensor array model, employing a phase transform weighting function to suppress environmental noise, and incorporating an adaptive environmental compensation algorithm to eliminate multipath effects, a set of spatial localization equations is established. …”
    Get full text
    Article
  17. 137

    Determination of Phenylurea Herbicides in Water Samples by Magnet-Integrated Fabric Phase Sorptive Extraction Combined with High Performance Liquid Chromatography by Natalia Manousi, Apostolia Tsiasioti, Abuzar Kabir, Erwin Rosenberg

    Published 2025-07-01
    “…In this study, a magnet-integrated fabric phase sorptive extraction (MI-FPSE) protocol was developed in combination with high pressure liquid chromatography—diode array detection (HPLC-DAD) for the simultaneous determination of five phenylurea pesticides (i.e., chlorbromuron, diuron, linuron, metoxuron, monuron) in environmental water samples. …”
    Get full text
    Article
  18. 138

    Near-Field Nulling Control Beamfocusing Optimization for Multi-User Interference Suppression by Yuanzhe Gong, Mohammadhossein Karimi, Tho Le-Ngoc

    Published 2025-01-01
    “…Moreover, a constant-modulus beamfocusing scheme based on a perturbation-based nulling control beamfocusing algorithm employing particle swarm optimization is proposed. Using only phase shifters, an average gain difference of 26.1 dB between desired and undesired users can be achieved. …”
    Get full text
    Article
  19. 139

    Determining the Levels of Four Phenylethanoid Glycosides and Five Triterpene Acids in Liuwei Dihuang Capsule Using Solid Phase Extraction with HPLC-UV by Yong Zhang, Xian-Liang Zou, Yong-Li Wang, Lu Gao, Gui-Xin Chou

    Published 2019-01-01
    “…To improve the pretreatment clean-up, an array of silica- and polymer-based SPE cartridges were compared. …”
    Get full text
    Article
  20. 140

    Cryo‐X‐Ray Phase Contrast Imaging Enables Combined 3D Structural Quantification and Nucleic Acid Analysis of Myocardial Biopsies by Kan Yan Chloe Li, Petros Syrris, Anne Bonnin, Thomas A Treibel, Vishwanie Budhram‐Mahadeo, Hector Dejea, Andrew C Cook

    Published 2024-12-01
    “…Abstract Snap‐frozen biopsies serve as a valuable clinical resource of archival material for disease research, as they enable a comprehensive array of downstream analyses to be performed, including extraction and sequencing of nucleic acids. …”
    Get full text
    Article