High directional optical transmitter with phased array of nanoptical emitters and efficient error correction for long distance space communications by Elisa Bazzani, Anna Valeria Guglielmi, Roberto Corvaja, Nicola Laurenti, Filippo Romanato, Gianluca Ruffato, Andrea Vogliardi, Giuseppe Vallone, Lorenzo Vangelista, Paolo Villoresi

“…To this aims, here we study the use of novel resources as an array of nanoptical coupler from guided sources and modulators to free space modes, that is phased with a suitable correction systems as well as efficient coding with error corrections capable of bearing large values of losses. …”
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A 28 GHz Phased-Array Transmitter Based on Doherty Spatial Combining Technique With a Local Sub-Sampling PLL by Itamar Melamed, Avraham Sayag, Emanuel Cohen

“…This paper presents a 28 GHz integrated phased-array transmitter, utilizing an over-the-air (OTA) combining technique for power efficiency boosting and a local oscillator (LO) phase shifting. …”
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Analysis, Optimization, and Hardware Implementation of Dipole Antenna Array for Wireless Applications by Norun Abdul Malek, Rob D. Seager, James A. Flint, Zuhairiah Zainal Abidin

“…The antenna pattern synthesis is one of the significant problems in the phased array antenna. Pattern synthesis refers to the optimized weight excitation of each antenna element in order to steer the beam electronically without mechanically rotating the antenna. …”
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Heliocentric Orbital Repositioning of a Sun-Facing Diffractive Sail with Controlled Binary Metamaterial Arrayed Grating by Alessandro A. Quarta

“…This control technique has recently been applied to achieve a circle-to-circle interplanetary transfer using a Sun-facing diffractive sail. In this work, an optimal control law is employed to execute a rapid phasing maneuver along an elliptical heliocentric orbit with specified characteristics, such as those of Earth and Mercury. …”
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Delivering Volumetric Hyperthermia to Head and Neck Cancer Patient-Specific Models Using an Ultrasound Spherical Random Phased Array Transducer by Muhammad Zubair, Imad Uddin, Robert Dickinson, Chris J. Diederich

“…The transducer, with optimal phasing and water-cooled bolus, confined the heating to the targeted regions effectively. …”
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Application of Aperiodic “Einstein” Monotile in Phased Arrays With Limited Beam Scanning Range by Yunfei Qiang, Xiaochuan Fang, Rui-Xin Wu, Qian Chen, Wei Wang

“…Two examples of Hat polykite-based phased arrays are presented in this paper. Example A presents a sparse phased array, where each element is embedded within a Hat polykite, optimized for a maximum grating lobe level of −15 dB. …”
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A Low-Profile Dual-Polarized High-Gain Low Cross-Polarization Phased Array for Ku-Band Satellite Communications by Yuhan Huang, Jie Zhang, Xiuping Li, Zihang Qi, Fan Lu, Hua Jiang, Xin Xue, Hua Zhu, Xiaobin Guo

“…A low-profile dual-polarized shared-aperture phased array antenna is proposed for Ku-band satellite communications in this paper. …”
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Recurrent Deep Learning for Beam Pattern Synthesis in Optimized Antenna Arrays by Armando Arce, Fernando Arce, Enrique Stevens-Navarro, Ulises Pineda-Rico, Marco Cardenas-Juarez, Abel Garcia-Barrientos

“…Beam patterns are optimized using a genetic algorithm during the training phase in order to reduce sidelobes and achieve high directivity. …”
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Segmentation-aided phase unwrapping for 3D reconstruction with airborne array-InSAR images by Zhang Xin, Hu Fengming, Xu Feng

“…The Markov random field (MRF) is utilized for image segmentation. The optimal spatial phase unwrapping network is achieved based on the segmentation results. …”
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Highly-Efficient, Dual-Polarized Huygens’ Metasurfaces for Scan-Angle Enhancement Without Directivity Degradation by Jaemin Kim, Mohammad Soltani, Minseok Kim, George V. Eleftheriades

“…We hereby propose a dual-polarized beam-deflecting metasurface that can double the scan-angle range of a phased-array antenna without compromising the directivity across all scan angles, including broadside. …”
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Array amplitude-phase and mutual coupling error joint correction method based on sparse Bayesian by Ding WANG, Weigang GAO, Zhidong WU

“…In the actual array direction finding system, there are often a variety of errors such as amplitude and phase, mutual coupling, which lead to serious deterioration of array direction finding performance.In order to solve the problem of array direction finding misalignment in the presence of low signal-to-noise ratio, small snapshots and multiple errors, the spatial sparsity of signals were introduced, and Bayesian sparse reconstruction technology was used to solve the passive correction and joint estimation of array signal azimuth in the presence of amplitude-phase and mutual coupling errors.The over-complete model of the received signal with error was constructed, and the posterior probability density function of the received signal was obtained.The EM algorithm was used to iteratively optimize the probability density function to solve the corresponding parameters.At the same time, the CRLB of array error and signal azimuth was derived, and by experimental simulation verifies the effectiveness of the proposed method.…”
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Array amplitude-phase and mutual coupling error joint correction method based on sparse Bayesian by Ding WANG, Weigang GAO, Zhidong WU

“…In the actual array direction finding system, there are often a variety of errors such as amplitude and phase, mutual coupling, which lead to serious deterioration of array direction finding performance.In order to solve the problem of array direction finding misalignment in the presence of low signal-to-noise ratio, small snapshots and multiple errors, the spatial sparsity of signals were introduced, and Bayesian sparse reconstruction technology was used to solve the passive correction and joint estimation of array signal azimuth in the presence of amplitude-phase and mutual coupling errors.The over-complete model of the received signal with error was constructed, and the posterior probability density function of the received signal was obtained.The EM algorithm was used to iteratively optimize the probability density function to solve the corresponding parameters.At the same time, the CRLB of array error and signal azimuth was derived, and by experimental simulation verifies the effectiveness of the proposed method.…”
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Modeling Self-Heating in High-Power Single-Mode Phase-Coupled Linear VCSEL Arrays by V. Torrelli, M. C. G. Alasio, M. D'Alessandro, A. Gullino, L. Miri, J. Lindner, S. Gronenborn, M. Goano, P. Debernardi

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Pattern Synthesis for Dual-Polarized Conformal Arrays via Iterative Convex Optimization by Chao Liu, Chuan Li, Bo Yang

“…An iterative convex optimization (ICO) algorithm is proposed to solve pattern synthesis problem under the framework of dual-polarized conformal arrays in this paper. …”
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Pattern Nulling of Linear Antenna Arrays Using Backtracking Search Optimization Algorithm by Kerim Guney, Ali Durmus

“…An evolutionary method based on backtracking search optimization algorithm (BSA) is proposed for linear antenna array pattern synthesis with prescribed nulls at interference directions. …”
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MAOA: A Swift and Effective Optimization Algorithm for Linear Antenna Array Design by Anoop Raghuvanshi, Abhinav Sharma, Abhishek Kumar Awasthi, Abhishek Sharma, Rahul Singhal, Kim Soon Chong, Sew Sun Tiang, Wei Hong Lim

“…Simulation results reveal that MAOA significantly surpasses traditional uniform linear arrays (ULA) and established optimization techniques. …”
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Flat Emission Silicon Nitride Grating Couplers for Lidar Optical Antennas by Thenia Prousalidi, Georgios Syriopoulos, Evrydiki Kyriazi, Roel Botter, Charalampos Zervos, Giannis Poulopoulos, Dimitrios Apostolopoulos

“…Its emerging implementations are based on photonic integrated circuits (PICs) and optical phased arrays (OPAs). In this work, we introduce a novel approach to the design of OPA Lidar antennas based on Si₃N₄ grating couplers. …”
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A TMR Sensor Array for Non-Invasive Current Measurement in Three-Phase Cable and Error Analysis by Ruixi Luo, Hui He, Qiang Shi, Junyi Cai, Ziyang Ye, Xiang Zhang

“…Based on the analysis of the magnetic field around the three-phase cable, this paper presents a non-invasive current measurement system using a magnetic field sensor array. …”
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Phase Error Correction in Sparse Linear MIMO Radar Based on the Equivalent Phase Center Principle by Wenyuan Shao, Jianmin Hu, Yicai Ji, Jun Pan, Guangyou Fang

“…Multiple-input multiple-output (MIMO) technology is widely used in the field of radar imaging. Array sparse optimization reduces the hardware cost of MIMO radar, while virtual aperture and the equivalent phase center (EPC) principle simplify the radar signal model and reduce the computation and complexity of imaging algorithms. …”
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Triple Band Parasitic Array Antenna for C-X-Ku-Band Application Using Out-of-Phase Coupling Approach by Anubhuti Khare, Rajesh Nema

“…The proposed antenna is designed using the concept of parasitic array and out-of-phase coupling approach. The objects of research are to optimize total inductance of geometry by using out-of-phase inductance approach. …”
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