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Impact Analysis of Orthogonal Circular-Polarized Interference on GNSS Spatial Anti-Jamming Array
Published 2024-12-01“…Power inversion (PI) and linear constrained minimum variance (LCMV) techniques, applied to both uniform linear arrays and central circular arrays, are utilized to verify the impact of these interference signals. …”
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82
Calculation of optimal values of weight coefficients for compensation of the mutual coupling of antenna array elements
Published 2025-04-01“…Background. Antenna arrays are widely used in a variety of modern radio engineering systems for wireless communication and radar. …”
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83
A Proposed Design Method for Sparse Array Antenna by Using the Spacing Coefficient Algorithm
Published 2022-01-01“…In this study, a linear sparse array antenna design problem is addressed and a new approach for density taper element spacing by using the spacing coefficient algorithm is proposed. …”
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84
A Low-Cost Wideband Digital Array Antenna Based on Stretch Processing Technique
Published 2024-01-01“…Compared to traditional wideband digital arrays, this method can dramatically reduce the required sampling rate and lower the requirements on antenna hardware, thereby reducing the manufacturing cost of system. …”
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85
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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86
Circularly Polarized Cross-Dipole Array Antenna for GNSS and L-Band Satellite Applications
Published 2025-01-01“…This study introduces a dual-sense circularly polarized (CP) crossed-dipole array antenna designed for Global Navigation Satellite System (GNSS) frequency bands. …”
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87
Principle for the Realization of Dual-Orthogonal Linearly Polarized Antennas for UWB Technique
Published 2011-01-01“…A concept of an array configuration for an ultrawideband suppression of the cross-polarization is presented. …”
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88
Linear furanocoumarins: Bridging natural wisdom and synthetic ingenuity in drug discovery
Published 2025-08-01“…This review looks at how to make linearly annulated coumarin-furan systems, where they come from natural and synthetic origins, and what they can do as therapeutic alternatives. …”
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89
Performance Analysis of Large-Scale Digital Phased Array Mixed-ADC Receiver in Compact Space
Published 2024-09-01“…Firstly, the propagation channel under the influence of mutual coupling effects was modeled by jointly considering the three-dimensional channel model, mutual coupling effect model, and ADC quantization noise model. Then, used a linear maximum ratio combining receiver and based on random matrix theory, a closed form expression for the achievable rate of the system under a given antenna array topology was derived. …”
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90
Feasibility of Backscattering Coefficient Evaluation of Soft Tissue Using High-Frequency Annular Array Probe
Published 2024-11-01“…The objective of this work is to address the need for versatile and effective tissue characterization in abdominal ultrasound diagnosis using a simpler system. We evaluated the backscattering coefficient (BSC) of several tissue-mimicking phantoms utilizing three different ultrasonic probes: a single-element transducer, a linear array probe for clinical use, and a laboratory-made annular array probe. …”
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91
Polarization Reconfigurable, Single-Layer, 2-D, Monopulse Array Antenna With Compact Comparator Circuit
Published 2025-01-01“…A single layered, planar array antenna is presented, aiming to replace the complex geometry of monopulse comparator circuits which are used in conventional corporate-fed monopulse antenna systems for direction-finding applications. …”
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92
Theoretical Analysis and Experimental Verification of Top Orthogonal to Bottom Arrays of Conducting Strips on Piezoelectric Slab
Published 2020-07-01“…The method results in a small system of linear equations for unknown expansion coefficients to be solved numerically. …”
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93
Chaotic Adaptive Butterfly Mating Optimization and Its Applications in Synthesis and Structure Optimization of Antenna Arrays
Published 2019-01-01“…The proposed algorithm is then used to understand any linear array problems in terms of the sidelobe reduction. …”
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94
A Fast and Efficient Beamforming Algorithm Imitating Plant Growth Gene for Phased Array Antenna
Published 2022-01-01Get full text
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95
Square-Framed T Shape mmwave Antenna Array at 28 GHz for Future 5G Devices
Published 2021-01-01“…Based on these characteristics, the single element is further constructed into a four-element linear array with a compact size of 18.5 × 24 mm2 The proposed antenna array exhibited dual beam radiation patterns with a high realized gain of 11.5 dBi and 94% efficiency. …”
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96
Effect of Locally Flat Distortions in the Radiating Aperture on the Radiation Pattern of a Phased Antenna Array
Published 2023-03-01“…Introduction. Phased antenna arrays (PAA) of large geometric dimensions find wide application in various spacecraft systems. …”
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97
FDA-MIMO Beampattern Synthesis with Hamming Window Weighted Linear Frequency Increments
Published 2020-01-01“…By utilizing a tiny frequency increment across the array elements, frequency diverse array (FDA) generates a beampattern possessing the property of range-angle-dependent. …”
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98
Micromachining Error Tolerance Analysis in EEG Sensing Nanostructure Arrays: Control of Fano Resonance for Enhanced Performance
Published 2025-01-01“…The silicon-based electroencephalography (EEG) sensing technology encounters performance limitations due to spectral distortions caused by micromachining, which significantly degrade its effectiveness in Brain-Computer Interface (BCI) systems. To enhance the performance of EEG sensors, this study systematically investigates the tolerance of micromachining errors in silicon-based nanostructured arrays, specifically focusing on photonic crystal nanobeam cavities (PCNCs) used in optical EEG sensing systems. …”
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99
A Simple Approach in Estimating the Effectiveness of Adapting Mirror Concentrator and Tracking Mechanism for PV Arrays in the Tropics
Published 2014-01-01“…The data are monitored, recorded, and analysed in real time via GPRS online monitoring system for 10 consecutive months. The analysis is based on a simple comparison of the actual daily power generation from each PV generator with statistical analysis of multiple linear regression (MLR) and analysis of variance test (ANOVA). …”
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