Showing 81 - 100 results of 266 for search 'optimal phased array', query time: 0.12s Refine Results
  1. 81

    Inversion Method of Logging Data by Array Temperature Difference Flow Tool for Horizontal Wells in Tight Oil Reservoirs by CHEN Qiang, CHEN Meng, YUAN Chao, CHEN Tao, CHEN Wenhui, LIU Guoquan

    Published 2024-12-01
    “…Accurately monitoring and evaluating the dynamics of oil-water phase flow in horizontal wells, and obtaining the oil and water production of each layer is the basis for understanding the dynamics of the production zones, evaluating the effectiveness of reservoir renovation, optimizing and adjusting the development scheme. …”
    Get full text
    Article
  2. 82

    Finding N bits using O(N/Log(N)) sums by Sergiu Corlat, Veaceslav Guzun, Victor Vorona

    Published 2023-09-01
    “…It should be noted that this number of queries is indeed the optimal one for finding all $N$ bits of a binary array, since each subsequence-sum queries offers us at most $\log_{2} N$ bits of information.…”
    Get full text
    Article
  3. 83

    Pulsed field ablation using a circular electrode array catheter in patients with atrial fibrillation: A workflow optimization study evaluating the role of mapping by Melanie A. Gunawardene, Jens Hartmann, Jannis Dickow, Rahin Wahedi, Tim Harloff, Johanna Jezuit, Eike P. Tigges, Mario Jularic, Borislav Dinov, Nele Gessler, Stephan Willems

    Published 2025-06-01
    “…Methods: Consecutive AF-patients underwent cPFA-based pulmonary vein isolation (PVI) in three phases (learning-phase-I: visualization of cPFA in 3D-map; phase-II: operator blinded to 3D-map with fluoroscopy-guidance only; phase-III: optimized mapping and ablation). …”
    Get full text
    Article
  4. 84

    Memory-Optimized Cubic Splines for High-Fidelity Quantum Operations by Jan Ole Ernst, Jan Snoeijs, Mitchell Peaks, Jochen Wolf

    Published 2025-01-01
    “…Cubic spline interpolation is a powerful and commonly used technique that divides the pulse into segments of cubic polynomials. We show an optimized implementation of this strategy, using a two-stage curve-fitting process and additional symmetry operations to load a high-sampling pulse output on an field-programmable gate array. …”
    Get full text
    Article
  5. 85

    Optimization-Based Design of Multi-Band Branch-Line Coupler With Arbitrary and Band-Distinct Power Division Ratios and Phase Differences by Abdullah J. Alazemi, Mohamed A. Koura

    Published 2025-01-01
    “…This paper presents a novel optimization-based procedure for designing a multi-band branch-line coupler with arbitrary output power division ratios and phase differences that are distinct at each of arbitrarily-allocated design frequencies. …”
    Get full text
    Article
  6. 86

    Fast Analysis of Water Samples for Trace Amount of Crystal Violet Dye Based on Solid Phase Extraction Using Nanoporous SBA-3 prior to Determination by Fiber Optic-Linear Array Dete... by Azam Azarkohan, Farzaneh Shemirani, Mahrouz Alvand

    Published 2013-01-01
    “…A solid phase preconcentration procedure using SBA-3 nanosorbent for the fast separation and preconcentration of crystal violet (CV) in water samples by fiber optic-linear array detection spectrophotometry (FO-LADS) is presented. …”
    Get full text
    Article
  7. 87

    Robust STAP with coprime sampling structure based on optimal singular value thresholding by Mingxin Liu, Mingfu Li, Hui Li, Yan Cheng

    Published 2025-01-01
    “…To address this issue, the STAP with the coprime sampling structure based on optimal singular value thresholding is proposed. The algorithm corrects errors by adding four calibrated auxiliary elements and auxiliary pulses to the original array and pulse sequence, while maintaining the coprime sampling structure. …”
    Get full text
    Article
  8. 88

    Optimizing Bioceramic Composites for Hip Joint Replacements using SPS Method: Investigating the Effects of Titanium Diboride (TiB2) on Tribological Properties by Pavankumar Ravikumar, Goud Mallesh, S. Suresh Kumar, H. S. Manjunatha

    Published 2025-03-01
    “…Material characterization was performed using Energy Dispersive X-ray Spectroscopy (EDS) and X-ray Diffraction (XRD) techniques, confirming the presence of reinforcing phases and crystalline structures. Wear tests were conducted using a pin-on-disk apparatus, and wear losses were systematically evaluated using a Design of Experiments (DOE) approach with an L27 orthogonal array. …”
    Get full text
    Article
  9. 89

    Design and Optimization of a Phase-Tunable Mixer Based on Cascaded Dual-Drive Mach–Zehnder Modulator Considering Nonlinear Behavior of Modulator by Ebrahim Darabi, Heidar Keshavarz

    Published 2025-01-01
    “…This paper proposes a novel phase-tunable mixer based on a cascaded dual-drive Mach–Zehnder modulator (DDMZM), designed to address the critical need for simultaneous frequency mixing and precise phase control in phased array antennas. …”
    Get full text
    Article
  10. 90

    Methodology of optimal distribution of single-phase electric consumers in power supply systems by the criterion of reduction of additional losses caused by load asymmetry and non-s... by A. A. Pesterev, S. S. Kostinskiy, N. D. Narakidze

    Published 2025-05-01
    “…A digital parameter meter for single-phase electrical receivers has been developed to collect initial data from office electrical receivers in the form of arrays with instantaneous values of supply voltage and current. …”
    Get full text
    Article
  11. 91

    Observation of Double Fano Interference in Metal-Insulator Block Arrays by Wenchen Yang, Hongyan Yang, Shuwen Xue, Ling Guo, Lizhen Zeng, Gongli Xiao

    Published 2021-01-01
    “…The coexistence of double Fano interference originating from anti-phased and in-phased lattice resonances is observed in a novel plasmonic lattice array, which being consists of a horizontal double-stacked rectangular metal-insulator block. …”
    Get full text
    Article
  12. 92

    An improved underivatized, cost-effective, validated method for six short-chain fatty organic acids by high-performance liquid chromatography by Esther A. Olonimoyo, Naresh Kumar Amradi, Stephanie Lansing, Akua A. Asa-Awuku, Candice M. Duncan

    Published 2025-05-01
    “…A fast analytical method for a High-Performance Liquid Chromatograph coupled with a Photodiode Array detector (HPLC-PDA) for quantifying six short-chain fatty acids: formic, acetic, propionic, butyric, isovaleric, and valeric acids is optimized and validated. …”
    Get full text
    Article
  13. 93

    Solving Max‐Cut Problem Using Spiking Boltzmann Machine Based on Neuromorphic Hardware with Phase Change Memory by Yu Gyeong Kang, Masatoshi Ishii, Jaeweon Park, Uicheol Shin, Suyeon Jang, Seongwon Yoon, Mingi Kim, Atsuya Okazaki, Megumi Ito, Akiyo Nomura, Kohji Hosokawa, Matthew BrightSky, Sangbum Kim

    Published 2024-12-01
    “…The proposed method is validated through successful hardware implementation on a 6‐transistor/2‐resistor (6T2R) neuromorphic chip with phase change memory (PCM) synapses. In addition, as an expansion of the algorithm, several annealing techniques and bias split methods are proposed to improve convergence, along with circuit design ideas for efficient evaluation of sampling convergence using cell arrays and spiking systems. …”
    Get full text
    Article
  14. 94

    Using the Taguchi method and grey relational analysis to optimize the parameter design of flat-plate collectors with nanofluids, and phase change materials in an integrated solar w... by Guan-Rong Chen, Ting-Wei Liao, Chien-Chun Hsieh, Jagadish Barman, Chao-Yang Huang, Chung-Feng Jeffrey Kuo

    Published 2025-04-01
    “…A total of 36 experiments were designed using the Taguchi orthogonal array and simulated through TRNSYS software. Data from these experiments were analyzed using Signal-to-Noise (S/N) ratios, main effects analysis, and analysis of variance to identify optimal parameter combinations. …”
    Get full text
    Article
  15. 95

    Recurrent neural network wave functions for Rydberg atom arrays on kagome lattice by Mohamed Hibat-Allah, Ejaaz Merali, Giacomo Torlai, Roger G. Melko, Juan Carrasquilla

    Published 2025-07-01
    “…In this paper, we apply two-dimensional recurrent neural network (RNN) wave functions to study the ground states of Rydberg atom arrays on the kagome lattice. We implement an annealing scheme to find the RNN variational parameters in regions of the phase diagram where exotic phases may occur, corresponding to rough optimization landscapes. …”
    Get full text
    Article
  16. 96

    Enhancing Reliability in Redundant Homogeneous Sensor Arrays with Self-X and Multidimensional Mapping by Elena Gerken, Andreas König

    Published 2025-06-01
    “…To rigorously evaluate various dimensionality reduction (DR) methods, benchmark criteria were introduced, offering insights into the relative improvements in sensor array accuracy. On average, MAE was reduced by more than 80% across sensor combinations. …”
    Get full text
    Article
  17. 97

    Satellite Massive Array With Reconfigurable Antenna Units for Long-Life and Energy Saving Satellites by Francesco Alessio Dicandia, Simone Genovesi

    Published 2025-01-01
    “…A remarkable scanning range improvement and peak side lobe level (PSLL) lowering of the addressed concentric ring array (CRA) is achieved by exploiting a multiobjective optimization based on the Pareto front. …”
    Get full text
    Article
  18. 98

    Flexible Ultrasonic Sensor Array for Guided Wave Nondestructive Testing of Thin-Walled Structures by He Sun, Linfeng Wang, Jiahao Ren, Xiao Ying, Haichao Liu, Xiaobin Jiang, Fuzai Lv, Zhoumo Zeng, Yang Liu

    Published 2025-01-01
    “…Using the focusing excitation scheme derived from simulations for the FUSA’s guided wave phased array, the sensor successfully focused A0 mode ultrasonic guided waves at a distance of 100 mm. …”
    Get full text
    Article
  19. 99

    Experimental investigation to improve the performance of thermal storage unit with flat Microheat pipe arrays by Shanmugam M., Sundararaj S., Nivas Vel P.Sri, Sanjai S., Vairochanan E.P., Suthakar B.

    Published 2025-01-01
    “…Additionally, we look into how heat transfer characteristics of TSU are impacted by air side and phase change materials side length proportions. Heat transfer properties, thermal resistance distribution, and phase-change performance of phase change materials are examined. …”
    Get full text
    Article
  20. 100

    An indoor positioning method based on bluetooth array/PDR fusion using the SVD-EKF by Chenhui Li, Jie Zhen, Jianxin Wu

    Published 2025-02-01
    “…An angle measurement and positioning system based on wireless signal array antennas can achieve high accuracy in indoor unblocked conditions. …”
    Get full text
    Article