Results 221 to 230 of about 1,869,876 (283)

Development of a Machine Learning-Based Predictive Model for Central Lymph Node Metastasis in Papillary Thyroid Microcarcinoma. [PDF]

Cancer Med
Li T, Butler TO, Hu Y, Li S.
europepmc   +1 more source

Common Neural Deficits in Social and Monetary Reinforcement Learning in Schizophrenia. [PDF]

Schizophr Bull
Nierenberg J, Merchant JT, Hoptman MJ, Barch DM, Moran EK, Ermel JA, Butler PD.   +6 more
europepmc   +1 more source

Assessing COVID-19 Testing Strategies in K-12 Schools in Underserved Populations. [PDF]

J Public Health Manag Pract
Walsh T, Hayes S, Liu J, Malone S, Fritz S, Xu Y, Bonty B, Butler-Barnes S, Evans C, Harris K, Montgomery B, Mueller N, Reyes SM, Reyes SA, Vestal L, Wilcher-Roberts M, Williams C, Newland JG.   +17 more
europepmc   +1 more source

Diagnosis Through Whole Genome Sequencing and Care Utilization in Children With Severe Illness.

JAMA Netw Open
Dias JML, More RP, Butler D, Brown J, French CE, Dolling H, Raymond FL, Rowitch DH, Aiken CE.   +8 more
europepmc   +1 more source

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Design of the Compact Planar Butler Matrix

2018 Asia-Pacific Microwave Conference (APMC), 2018
A planar $4\times 4$ Butler matrix with a compact size is proposed. With the dual transmission lines, the proposed Butler matrix has arbitrary phase difference and phase delay for the used couplers and crossovers, respectively. In terms of experimental verification, the circuit size of the fabricated Butler matrix is $0.86\lambda_{g}\times 0.66\lambda_{
Chen-Chan Tang, Chun-Yuan Huang, Ching-Wen Tang   +2 more
openaire   +1 more source

Asymmetrical $4\times4$ Butler Matrix and its Application for Single Layer $8\times8$ Butler Matrix

IEEE Transactions on Antennas and Propagation, 2019
The design procedure and measured results of a novel $4\times 4$ Butler matrix are presented in this paper. This asymmetrical structure provides fairly flexible phase outputs; therefore, the array radiation pattern can be rotated around the array normal axis.
Ali Tajik, Ahmad Shafiei Alavijeh, Mohammad Fakharzadeh   +2 more
openaire   +1 more source

A butler matrix design for directional antenna

2017 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), 2017
This paper demonstrates an 8 × 8 Butler Matrix design that does not employ cross-overs. The Butler Matrix was manufactured on a single side of Printed Circuit Board (PCB) and is intended for use with a low-profile C-band directional antenna array. This solution provides an effective methodology for electronically switching beam states of a planner ...
Shuguang Chen, Mahmoud Khalil, Steven Goodall   +2 more
openaire   +1 more source