NSTL国家科技图书文献中心

1. A S-/C-Band 6-bit Passive Phase Shifter With an X-Shape Merged 180° and 90° Cell NSTL国家科技图书文献中心

Genyin Ma | Fanyi Meng - 《ieee microwave and wireless technology letters》 - 2025,35(2) - 193～196 - 共4页

摘要： shifter (PS) for 3.75.3-GHz (S-/C-Band) phase-array | , and the proposed X-shape* structure. The 180° and 90* | switch configuration resembles the X-shape. It allows | This letter presents a 6-bit passive phase | communications. The PS adopts several cascaded switchable phase

关键词： Phase shifters | Computer architecture | Radio frequency | Microprocessors | Switches | Topology | Loss measurement | Layout | C-band | Wireless communication

2. S 2 - EZNet : A scale and shape adaptive detection model for distribution surge arrester component defects NSTL国家科技图书文献中心

Huang, Yilang | Yu, Song ... - 《Measurement》 - 2025,242PB - 115688～ - 共12页

摘要： variation, and shape* confusion, leading to limited* | introduces a scale and shape* adaptive detection model for* | Drone-based inspection for surge arrester | defects suffers from background interference, scale | accuracy. Power distribution scene makes the size and

关键词： Distribution arrester | Defect detection | Deep learning | Drone inspection

3. Investigations on the effect of arsenic and phosphorus atomic exchange on the origin of crystal potential fluctuations in InAsP/InP epilayers NSTL国家科技图书文献中心

Geetanjali Vashisht | R. Roychowdhury ... - 《Applied Surface Science》 - 2025,682(Feb.15) - 161627.1～161627.10 - 共10页

摘要：), it leads to distinct "S" shaped temperature | thickness, such "S" shaped behavior can be controlled. | The study investigates the anion exchange | mechanism between the ad-atoms of arsenic and phosphorus | followed by their inter-diffusion processes, in InAsP/InP

关键词： InAsP/InP | MOVPE | Anion exchange | Interdiffusion | Strain | S-shape | Optoelectronics

4. Polarization insensitive eye-shape enclosed split ring resonator-based multi-band metamaterial absorber/sensor for S, C, X, Ku, and K-band microwave applications NSTL国家科技图书文献中心

Uddin, Md Kutub | Hakim, Mohammad Lutf...... - 《Journal of Sandwich Structures and Materials》 - 2025,27(1) - 235～259 - 共25页

摘要：This article proposes an eye-shape* enclosed* | absorption peaks between S, C, X, Ku, and K-band are | split ring resonator (ESE-SRR) based metamaterial | absorber for multi-band microwave applications with high | absorption levels. Four-fold rotational symmetric eye

关键词： ESE-SRR | metamaterial absorber | multi-band | polarization-insensitive | sensing applications

5. Improved desalination performance of flow-electrode capacitive deionisation by a novel drop-shape channel NSTL国家科技图书文献中心

Yinyan Guan | Mingxi Liu ... - 《Environmental technology》 - 2025,46(1/4) - 303～313 - 共11页

摘要： electrode in the S-shape* channel is prone to sedimentation* | investigate the advantage between S-shape and drop-shape | . Therefore, a drop-shape* channel was designed for FCDI to* | simulation of the drop-shape* channel was performed to* | the drop-shape* channel has insignificant velocity*

关键词： Flow-electrode capacitive deionisation | flow electrode | flow channel | flow simulation | brackish water desalination

6. Local artery geometry characteristics associated with middle cerebral atherosclerotic stenosis NSTL国家科技图书文献中心

Yang, Yujia | Zhang, Zhao ... - 《Neuroradiology》 - 2025,67(3) - 707～715 - 共9页

摘要：, angle, and morphology (straight-shape, U-shape, and S | tortuosity index (7.61% vs. 6.45%, P = 0.048). The S-shape | -shape) of the M1 pre-bifurcation segments were | ObjectivesThe impact of artery geometry on | intracranial atherosclerosis (ICAS) is unclear. To

关键词： Intracranial atherosclerosis | Stenosis | Geometry | Middle cerebral artery

7. Uncertainty and worst-case expectation analysis for multiphysics QPR simulations NSTL国家科技图书文献中心

Putek, Piotr | Adrian, Simon B.... - 《Superconductor Science & Technology》 - 2025,38(2) - 共19页

摘要：Quadrupole resonators (QPRs) serve to | characterize superconducting samples. Like any cavity, during | operation, they will deviate from the design geometry for | various reasons. Those deviations can be static | , stemming from manufacturing variations reflected in the

关键词： uncertainty quantification | shape perturbation analysis | Lorentz force (LF) detuning | weakly coupled E-S-H problem | quadrupole resonator

8. Hue-preserving image enhancement for the elderly based on wavelength-dependent gamma correction NSTL国家科技图书文献中心

Yamaguchi, Manaka | Fujita, Ayaka ... - 《Optical review》 - 2025,32(1) - 22～31 - 共10页

摘要： and the elderly, contrast enhancement using an S | -shape* function, and hue preservation processing in the* | The purpose of this study is to apply digital | image processing to original images acquired with | common digital devices to generate the resulting images

关键词： The elderly | Color visibility | Lightness conversion | Contrast enhancement | Hue preservation

9. A digital twin-driven cutting force adaptive control approach for milling process NSTL国家科技图书文献中心

Tong, Xin | Liu, Qiang ... - 《Journal of Intelligent Manufacturing》 - 2025,36(1) - 551～568 - 共18页

摘要： control. Finally, rough milling of an S-shape* specimen* | With intelligent manufacturing development | , applying adaptive control technology in the machining | process is an effective way to increase productivity and | quality. However, adaptive control alone cannot control

关键词： Digital twin | Adaptive control | Virtual machining | Cutting force estimation

10. A Robust Approach for Energy-Aware Node Localization in Wireless Sensor Network Using Fitness-Based Hybrid Heuristic Algorithms NSTL国家科技图书文献中心

Sathya Prakash Racha... | Kalaivani Jeyaraj - 《International journal of communication systems》 - 2025,38(2) - e6079.1～e6079.21 - 共21页

摘要： positioning in WSN such as S-shape, H-shape, and. C-shape | In wireless sensor network (WSN) applications | , the Received Signal Strength Indicator (RSSI) value | from the original signal is determined for computing | the distance between the unidentified and beacon

关键词： beacon nodes | Fitness-aware Hybrid One-to- One with Archery Optimizer | node localization | Received Signal Strength Indicator | unknown nodes | wireless sensor network

摘要： shifter (PS) for 3.75.3-GHz (S-/C-Band) phase-array | , and the proposed X-shape structure. The 180° and 90 | switch configuration resembles the X-shape. It allows | This letter presents a 6-bit passive phase | communications. The PS adopts several cascaded switchable phase