Acoustic impedance-based surface acoustic wave chip for gas leak detection and respiratory monitoring by Baile Cui, Wen Wang, Lina Cheng, Jing Jin, Anyu Hu, Zixuan Ren, Xufeng Xue, Yong Liang

“…Here we introduce a micro-nano surface acoustic wave (SAW) chip based on the acoustic impedance effect to achieve ultra-fast and wide-range gas sensing. We theoretically established the relationship between surface load acoustic impedance and SAW attenuation, and analyzed the influence of acoustic impedance on acoustic propagation loss under different gas/humidity media. …”
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Adaptive Handover Management in High-Mobility Networks for Smart Cities by Yahya S. Junejo, Faisal K. Shaikh, Bhawani S. Chowdhry, Waleed Ejaz

“…The seamless handover of mobile devices is critical for maximizing the potential of smart city applications, which demand uninterrupted connectivity, ultra-low latency, and performance in diverse environments. …”
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Utilizing MRAMs With Low Resistance and Limited Dynamic Range for Efficient MAC Accelerator by Sateesh, Kaustubh Chakarwar, Shubham Sahay

“…Spintronics based magnetic memory devices can emulate synaptic behavior efficiently and are hailed as one of the most promising candidates for realizing compact and ultra-energy efficient neural network accelerators. …”
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Quantitative Analysis of Multicomponents in Qufeng Zhitong Capsule and Application of Network Pharmacology to Explore the Anti-Inflammatory Activity of Focused Compounds by Mengjie Xue, Yuting Zhao, Ying Cui, Jing Yang, Yuefei Wang, Xin Chai

“…In this study, by taking advantage of ultra-high-performance liquid chromatography tandem Q-Exactive Orbitrap high-resolution mass spectrometry, 16 chemical components such as gallic acid, protocatechuic acid, and neochlorogenic acid in QZC were characterized and unambiguously identified based on comparison with the corresponding reference standards. …”
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Effect of Topically Administered Chitosan-N-acetylcysteine on Corneal Wound Healing in a Rabbit Model by Corinna Fischak, Robert Klaus, René M. Werkmeister, Christine Hohenadl, Martin Prinz, Leopold Schmetterer, Gerhard Garhöfer

“…Monitoring of corneal wound healing was performed with ultra-high-resolution optical coherence tomography (OCT) and epithelial fluorescein staining. …”
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New realization scheme of pseudo-chaotic-based encoder and decoder for UWB communications by JIANG Guo-ping1, WAN Dong-dong1, XUE Long1

“…Chaos-modulation-based ultra wide band （UWB） communication was addressed.A new structure for the pseudo-chaotic encoder was presented,and some decoding schemes were also given accordingly.The performances of such decoding schemes were compared in the AWGN channel.Simulation results verify and demonstrate the effectiveness of the proposed method.…”
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Radio direction finding system based on spatial spectrum estimation by Xubin CHEN, Peiming REN, Huiling DAI

“…The direction finding technology based on spatial spectrum estimation is widely used due to its’ ultra-high resolution,high sensitivity,high accuracy and plays a leading role in radio management.Based on the theoretical study of spatial spectrum estimation,the algorithm was put forward and the algorithm was simulated.Finally,the practicability and superiority of the spatial spectrum estimation system were demonstrated.…”
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All-dielectric metalens based on a single colloidal particle for photoconductive optical-to-terahertz switches by I. A. Glinskiy, N. V. Zenchenko, D. S. Ponomarev

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Study on propagation properties of UWB signal waveform by LIU Yuan-jian, ZHANG Ye-rong

“…Investigating the propagation properties of Ultra-wideband （UWB） were the essential topics in UWB channel theory.Based on Fourier transformation,Various UWB pulse waveform with indoor reflection,refraction and diffraction is studied.Moreover,a novel approximate formula of n order modified Bessel function was put forward.Finally,a comparison of Fourier transformation results with time-domain accurate results shows good agreements.…”
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Spreading and coding for anti-interference in UWB system by XU Chen, ZHANG Shi-bing

“…Spreading every transmitted bit over each sub-band and interleaving the spread signals over all of the sub-bands would provide the robustness to narrow-band interference in the ultra-wide band （UWB） system based on orthogonal frequency-division multiplexing （OFDM）. …”
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On the TC/MAX criterion for code acquisition and its application to UWB systems by WANG Jiang, BI Guang-guo, ZHANG Zai-chen

“…Due to the difficulty of threshold setting in code acquisition,a new hybrid criterion called TC/MAX （threshold crossing/maximum selection） was presented for code acquisition.To test the proposed criterion,the general formulation was applied to the particular case of ultra wide bandwidth （UWB） communication systems.Analysis and simulation show that the proposed scheme can improve the probability of detection significantly,compared with TC criterion.…”
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Slightly β-continuous functions by Takashi Noiri

“…Especially, we define the notion of ultra-regularizations of a topology and obtain interesting characterizations of slightly β-continuous functions by using it.…”
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Application and Analysis of Orbital Angular Momentum Technology in Optical Communication by Junsen Lai, Bingbing Wu, Wenyu Zhao, Haiyi Zhang

“…Orbital angular momentum, which is considered as a promising solution for future improvement of optical network capacity, has become a research focus in ultra-high speed optical communication. The principle and latest research progress of orbital angular momentum technology in optical communication were reviewed; the challenges and application prospect of the technology were also analyzed.…”
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Desarrollo de hormigones con aglomerante cal-puzolana fina como material cementicio suplementario Development of concrete mixtures with fine lime-pozzolan binder as supplementary c... by Juan José Dopico, Fernando Martirena Hernandez, Robert L Day, Bernhard Middendorf, Matthias Gehrke, Lesday Martinez

“…La alta resistencia y durabilidad alcanzada en los hormigones de alta y ultra alta resistencia está asociada a la obtención de una matriz muy densa, definida a partir del uso de altos volúmenes de adiciones minerales muy finas, tales como las cenizas volantes, microsílice, metacaolín y polvos finos de cuarzo. …”
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Methodology for predicting material performance by context-based modeling: A case study on solid amine CO2 adsorbents by Shuangjun Li, Zhixin Huang, Yuanming Li, Shuai Deng, Xiangkun Elvis Cao

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Multiomics-based assessment of the impact of airflow on diverse plant callus cultures by June-Sik Kim, Muneo Sato, Mikiko Kojima, Muchamad Imam Asrori, Yukiko Uehara-Yamaguchi, Yumiko Takebayashi, Thi Nhung Do, Thi Yen Do, Kieu Oanh Nguyen Thi, Hitoshi Sakakibara, Keiichi Mochida, Shinjiro Ogita, Masami Yokota Hirai

“…For each sample, gene expression was profiled with high-throughput RNA sequencing, 442 metabolites were measured using liquid chromatography (LC) with triple-quadrupole mass spectrometry (LC–QqQMS), and 31 phytohormones were quantified using ultra-performance LC coupled with a tandem quadrupole mass spectrometer equipped with an electrospray interface (UPLC-ESI-qMS/MS) and ultra-high-performance LC–orbitrap MS (UHPLC-Orbitrap MS). …”
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All-Metal Metamaterial-Based Sensor with Novel Geometry and Enhanced Sensing Capability at Terahertz Frequency by Sagnik Banerjee, Ishani Ghosh, Carlo Santini, Fabio Mangini, Rocco Citroni, Fabrizio Frezza

“…Numerical simulations demonstrate that it can achieve six significant ultra-narrow absorption peaks within the frequency range of 5 to 8 THz. …”
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Experimental demonstration of 8190-km long-haul semiconductor-laser chaos synchronization induced by digital optical communication signal by Anbang Wang, Junli Wang, Lin Jiang, Longsheng Wang, Yuncai Wang, Lianshan Yan, Yuwen Qin

“…By utilizing the long-haul optical coherent communication techniques, high-fidelity fiber transmission of the digital drive can be achieved and thus ultra-long-distance synchronization is expected. …”
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Ferroelectric capacitive memories: devices, arrays, and applications by Zuopu Zhou, Leming Jiao, Zijie Zheng, Yue Chen, Kaizhen Han, Yuye Kang, Dong Zhang, Xiaolin Wang, Qiwen Kong, Chen Sun, Jiawei Xie, Xiao Gong

“…In addition, we present the computing-in-memory applications of the FCMs to realize ultra-low-power machine learning acceleration for future computing systems.…”
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A conceptual approach to material detection based on damping vibration-force signals via robot by Ahmad Saleh Asheghabadi, Mohammad Keymanesh, Saeed Bahrami Moqadam, Saeed Bahrami Moqadam, Saeed Bahrami Moqadam, Jing Xu

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