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Journal articles on the topic 'Highly compressed array'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Hart, Douglas P. "High-Speed PIV Analysis Using Compressed Image Correlation." Journal of Fluids Engineering 120, no. 3 (1998): 463–70. http://dx.doi.org/10.1115/1.2820685.

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With the development of Holographic PIV (HPIV) and PIV Cinematography (PIVC), the need for a computationally efficient algorithm capable of processing images at video rates has emerged. This paper presents one such algorithm, sparse array image correlation. This algorithm is based on the sparse format of image data—a format well suited to the storage of highly segmented images. It utilizes an image compression scheme that retains pixel values in high intensity gradient areas eliminating low information background regions. The remaining pixels are stored in sparse format along with their relati

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Liu, Jing, ChongZhao Han, XiangHua Yao, and Feng Lian. "A Novel Coherence Reduction Method in Compressed Sensing for DOA Estimation." Journal of Applied Mathematics 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/548979.

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A novel method named as coherent column replacement method is proposed to reduce the coherence of a partially deterministic sensing matrix, which is comprised of highly coherent columns and random Gaussian columns. The proposed method is to replace the highly coherent columns with random Gaussian columns to obtain a new sensing matrix. The measurement vector is changed accordingly. It is proved that the original sparse signal could be reconstructed well from the newly changed measurement vector based on the new sensing matrix with large probability. This method is then extended to a more pract

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Markowski, Jan, Dominik Gryboś, Jacek Leszczyński, and Yohiside Suwa. "Exhaust Air Recovery System from the Utilisation Stage of Pneumatic System in Double Transmission Double Expansion Approach." Energies 16, no. 23 (2023): 7840. http://dx.doi.org/10.3390/en16237840.

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Pneumatic machines and systems are highly popular in the automation and mechanisation of production lines in many industry sectors, such as, e.g., food, automotive, production, and packaging. However, the energy efficiency of the pneumatic system is very low at about 10 to 20% The exhaust air from pneumatic machines has high energy, which is considered waste. This study introduces a novel energy recovery machine designed for integration into industrial compressed air systems. The authors describe the potential of the recovery machine within an industrial environment and present a developed exh

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West, J. L., J. L. Campbell, P. Bhaura, et al. "Discovery of a Filamentary Synchrotron Structure Connected to the Coherent Magnetic Field in the Outer Galaxy." Astrophysical Journal 941, no. 1 (2022): 6. http://dx.doi.org/10.3847/1538-4357/ac9b58.

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Abstract Using data from the Galactic Arecibo L-band Feed Array Continuum Transit Survey, we report the discovery of two previously unidentified, very compressed, thin, and straight polarized filaments approximately centered at Galactic coordinates, (l, b) = (182.°5, − 4.°0), which we call G182.5–4.0. Using data from the Isaac Newton Telescope Galactic Plane Survey, we also find straight, long, and extremely thin Hα filaments coincident with the radio emission. These filaments are positioned in projection at the edge of the Orion-Eridanus superbubble and we find evidence indicating that the fi

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Wenger, Karl H., Ahmed R. El-Awady, Regina L. W. Messer, Mohamed M. Sharawy, Greg White, and Carol A. Lapp. "Pneumatic pressure bioreactor for cyclic hydrostatic stress application: mechanobiology effects on periodontal ligament cells." Journal of Applied Physiology 111, no. 4 (2011): 1072–79. http://dx.doi.org/10.1152/japplphysiol.01175.2010.

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A bioreactor system was developed to provide high-amplitude cyclic hydrostatic compressive stress (cHSC) using compressed air mixed commercially as needed to create partial pressures of oxygen and carbon dioxide appropriate for the cells under investigation. Operating pressures as high as 300 psi are achievable in this system at cyclic speeds of up to 0.2 Hz. In this study, ligamentous fibroblasts from human periodontal ligaments ( n = 6) were compressed on two consecutive days at 150 psi for 3 h each day, and the mRNA for families of extracellular matrix protein and protease isoforms was eval

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Losev, A. "Statistical evaluation of the periodicity parameter the model of zonal disintegration rocks." Bulletin of Science and Practice 7 (July 13, 2017): 78–82. https://doi.org/10.5281/zenodo.826485.

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In work the problem of zonal disintegration of rocks around deep underground developments is considered. The small review of scientific works in the field is provided, the main results and the conclusions about their convergence with natural data and laboratory experiments are reflected, the used methods and approaches are described. In the work the parameter of frequency of function of deficiency which is the solution of a task on distribution of the field of tension around development of round section, in the conditions of an incompressibility and hydrostatic character of a loading on infini

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Murata, Y., R. Kawabe, M. Ishiguro, et al. "Aperture Synthesis Observations of NH3 and CS in Orion-KL." International Astronomical Union Colloquium 120 (1989): 327–32. http://dx.doi.org/10.1017/s0252921100024039.

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ABSTRACT.We have made aperture synthesis maps of Orion-KL in NH3(1,1),(2,2) and CS(J=l-0) emissions using the Nobeyama Millimeter Array. Both NH3 and CS maps show new detailed structures that have not been recognized before. Two NH3 filaments in the size of ~0.45 pc x0.04 pc are found extending to the northwest direction of Orion-KL. These filaments are associated with the HH objects and the finger-like H2 emissions; they are probably formed through the interaction with high velocity, highly channeled winds from the KL region. The CS maps show, on the other hand, shell structures around IRc2 a

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Nguyen, Tuan Anh, Minh Dung Pham, Nicolas Angellier, Laurent Ulmet, and Frederic Dubois. "Evaluating the Effectiveness of Wenner Mode Configurations for Resistivity-based Moisture Monitoring in Compressed Earth Bricks." Engineering, Technology & Applied Science Research 14, no. 6 (2024): 17657–64. https://doi.org/10.48084/etasr.8649.

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Compressed Earth Bricks (CEBs) have emerged as an eco-friendly construction material, although their properties are highly moisture dependent. This study investigated the applicability of electrical resistivity techniques for non-destructive moisture assessment in CEBs and determined the optimal electrode configurations for small-scale CEB samples. Various Wenner array electrode configurations, including Wenner Alpha, Beta, and Gamma arrangements, were tested on CEB specimens across a wide range of relative humidity levels. Numerical modeling using the finite element method was employed to sim

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Weisel, John W., Tatiana Lebedeva, Chandrasekaran Nagaswami, et al. "Polyhedrocytes: Compressed Polyhedral Erythrocytes In Contracted Blood Clots and Thrombi." Blood 122, no. 21 (2013): 452. http://dx.doi.org/10.1182/blood.v122.21.452.452.

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Background Contraction of blood clots is necessary for hemostasis, wound healing and to restore flow past obstructive thrombi. However, little has been known about the structure of contracted clots and mechanisms of contraction. Erythrocytes, biconcave cells that are highly deformable to allow their passage through the microvasculature, are abundant in venous thrombi, and to a lesser extent in arterial thrombi. Erythrocytes promote hemostasis, but their participation in clot contraction has not been reported. Here we study the mechanisms of clot contraction and the roles of erythrocytes, plate

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Gardner, Steve, Marcin Pawlowski, Gert Lykke Møller, and Claus Erik Jensen. "Delivering personalized dietary advice for health management and disease prevention." Digital Medicine 4, no. 3 (2018): 127–32. http://dx.doi.org/10.4103/digm.digm_19_18.

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Background and Objectives: Diet plays a huge role in health, both by increasing metabolic disease risks and acutely through adverse interactions with diseases and medications. Multimorbid and polypharmaceutical patients are at a particularly high risk of such interactions due to the number of drugs they take. This leads to avoidable hospitalizations and poor compliance. This study built and demonstrated a tool that provides personalized dietary advice that accounts for a patient’s combination of disease and drugs in real-time on their mobile device. Methods: A comprehensive list of validated d

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Fujii, Kosuke, Norikazu Mizuno, J. R. Dawson, et al. "Giant molecular cloud formation at the interface of colliding supershells in the large magellanic cloud." Monthly Notices of the Royal Astronomical Society 505, no. 1 (2021): 459–79. http://dx.doi.org/10.1093/mnras/stab1202.

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ABSTRACT We investigate the H i envelope of the young, massive GMCs in the star-forming regions N48 and N49, which are located within the high column density H i ridge between two kpc-scale supergiant shells, LMC 4 and LMC 5. New long-baseline H i 21 cm line observations with the Australia Telescope Compact Array (ATCA) were combined with archival shorter baseline data and single dish data from the Parkes telescope, for a final synthesized beam size of 24.75 arcsec by 20.48 arcsec, which corresponds to a spatial resolution of ∼6 pc in the LMC. It is newly revealed that the H i gas is highly fi

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Hao, Xiaolong, Yangtao Hu, Bingnan Yan, Hang Hui, Yunxia Chen, and Bingqi Zhang. "Research on Two-Stage Data Compression at the Acquisition Node in Remote-Detection Acoustic Logging." Sensors 25, no. 14 (2025): 4512. https://doi.org/10.3390/s25144512.

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The substantial volume of data acquired through remote-detection acoustic logging poses a remarkable challenge because of the limited real-time upload speed of the cable, which severely impedes its further application. To address this issue, a two-stage data compression method that was implemented at the acquisition node was proposed in this study. This approach includes a field programmable gate array (FPGA)-based hardware system and a two-stage downhole data compression algorithm combining wavelet transform and adaptive differential pulse-code modulation paired with ground decompression soft

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van Dokkum, Pieter, Gabriel Brammer, Josephine F. W. Baggen, Michael A. Keim, Priyamvada Natarajan, and Imad Pasha. "The ∞ Galaxy: A Candidate Direct-collapse Supermassive Black Hole between Two Massive, Ringed Nuclei." Astrophysical Journal Letters 988, no. 1 (2025): L6. https://doi.org/10.3847/2041-8213/addcfe.

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Abstract We report the discovery of an unusual z = 1.14 object, dubbed the ∞ galaxy, in JWST imaging of the COSMOS field. Its rest-frame near-IR light is dominated by two compact nuclei with stellar masses of ∼1011 M ⊙ and a projected separation of 10 kpc. Both nuclei have a prominent ring or shell around them, giving the galaxy the appearance of a figure eight or an ∞ symbol. The morphology resembles that of the nearby system II Hz 4, where the head-on collision of two galaxies with parallel disks led to the formation of collisional rings around both of their bulges. Keck spectroscopy, Very L

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Appleton, P. N., P. Guillard, Bjorn Emonts, et al. "Multiphase Gas Interactions on Subarcsec Scales in the Shocked Intergalactic Medium of Stephan’s Quintet with JWST and ALMA." Astrophysical Journal 951, no. 2 (2023): 104. http://dx.doi.org/10.3847/1538-4357/accc2a.

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Abstract We combine James Webb Space Telescope (JWST) and Hubble Space Telescope imaging with Atacama Large Millimeter Array CO(2–1) spectroscopy to study the highly turbulent multiphase intergalactic medium (IGM) in Stephan’s Quintet on 25–150 pc scales. Previous Spitzer observations revealed luminous H2 line cooling across a 45 kpc-long filament, created by a giant shock wave, following the collision with an intruder galaxy, NGC 7318b. We demonstrate that the Mid-Infrared Instrument/F1000W/F770W filters are dominated by 0–0 S(3) H2 and a combination of polycyclic aromatic hydrocarbon and 0–0

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Heyman, Arnon, Izhar Medalsy, Or Dgany, Danny Porath, Gil Markovich, and Oded Shoseyov. "Float and Compress: Honeycomb-like Array of a Highly Stable Protein Scaffold." Langmuir 25, no. 9 (2009): 5226–29. http://dx.doi.org/10.1021/la804132z.

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Liang, Siyuan, Weilong Zhu, Feng Zhao, and Congyi Wang. "High-Efficiency Wavelet Compressive Fusion for Improving MEMS Array Performance." Sensors 20, no. 6 (2020): 1662. http://dx.doi.org/10.3390/s20061662.

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With the rapid development of microelectromechanical systems (MEMS) technology, low-cost MEMS inertial devices have been widely used for inertial navigation. However, their application range is greatly limited in some fields with high precision requirements because of their low precision and high noise. In this paper, to improve the performance of MEMS inertial devices, we propose a highly efficient optimal estimation algorithm for MEMS arrays based on wavelet compressive fusion (WCF). First, the algorithm uses the compression property of the multiscale wavelet transform to compress the origin

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17

Hilgenfeld, Lothar, and Michael Pfitzner. "Unsteady Boundary Layer Development Due to Wake Passing Effects on a Highly Loaded Linear Compressor Cascade." Journal of Turbomachinery 126, no. 4 (2004): 493–500. http://dx.doi.org/10.1115/1.1791290.

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The effects of wake passing on boundary layer development on a highly loaded linear compressor cascade were investigated in detail on the suction side of a compressor blade. The experiments were performed in the High Speed Cascade Wind Tunnel of the Institut fuer Strahlantriebe at Mach and Reynolds numbers representative for real turbomachinery conditions. The experimental data were acquired using different measurement techniques, such as fast-response Kulite sensors, hot-film array and hot-wire measurements. The incoming wakes clearly influence the unsteady boundary layer development. Early f

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Yan, H. H., H. Q. Liu, S. X. Wang, H. Lian, W. M. Li, and Y. X. Jie. "Design of line array detection scheme for Polarimeter-Interferometer system on EAST." Journal of Instrumentation 18, no. 11 (2023): C11018. http://dx.doi.org/10.1088/1748-0221/18/11/c11018.

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Abstract A multi-channel POlarimeter-INTerferometer (POINT) system has been constructed in the core region of Experimental Advanced Superconducting Tokamak (EAST) plasma for electron density profile and current density profile measurements, with a spatial resolution of 8.5 cm. To explore the small spatial scale density fluctuation phenomena in the core plasma induced by MHD instabilities effects, a higher spatial resolution and higher responsivity detection is required. A novel line array detection scheme of POINT is proposed. By replacing the single Schottky mixer with a highly integrated lin

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Slepyan, Ariel, Michael Zakariaie, Trac Tran, and Nitish Thakor. "Wavelet Transforms Significantly Sparsify and Compress Tactile Interactions." Sensors 24, no. 13 (2024): 4243. http://dx.doi.org/10.3390/s24134243.

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As higher spatiotemporal resolution tactile sensing systems are being developed for prosthetics, wearables, and other biomedical applications, they demand faster sampling rates and generate larger data streams. Sparsifying transformations can alleviate these requirements by enabling compressive sampling and efficient data storage through compression. However, research on the best sparsifying transforms for tactile interactions is lagging. In this work we construct a library of orthogonal and biorthogonal wavelet transforms as sparsifying transforms for tactile interactions and compare their tr

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Wang, Long, Huawei Lu, Zhitao Tian, et al. "Numerical Study of the Ratio of Depth-to-Print Diameter on the Performance and Flow Characteristics for a Dimpled, Highly Loaded Compressor Cascade." Aerospace 9, no. 8 (2022): 422. http://dx.doi.org/10.3390/aerospace9080422.

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The influence of the ratio of dimple depth-to-print diameter (λ) on the highly loaded compressor cascade NACA0065-K48 is investigated based on the Reynolds-averaged Navier–Stokes (RANS) method. Simulations are conducted with a validated shear-stress transportation (SST) turbulence model coupled with the Gamma-Theta (γ−Reθ) transition model at the inlet Mach number of 0.7. At 5~25% of the axial chord on the suction surface, four rows of dimples are arranged in parallel, and the dimples’ spacing is 4 mm. Moreover, there are five kinds of λ, ranging from 0.125 to 0.875, which determine the presse

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He, Xiang-Dong, Sheng Liu, and Haruhiko H. Asada. "Modeling of Vapor Compression Cycles for Multivariable Feedback Control of HVAC Systems." Journal of Dynamic Systems, Measurement, and Control 119, no. 2 (1997): 183–91. http://dx.doi.org/10.1115/1.2801231.

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This paper presents a new lumped-parameter model for describing the dynamics of vapor compression cycles. In particular, the dynamics associated with the two heat exchangers, i.e., the evaporator and the condenser, are modeled based on a moving-interface approach by which the position of the two-phase/single-phase interface inside the one-dimensional heat exchanger can be properly predicted. This interface information has never been included in previous lumped-parameter models developed for control design purpose, although it is essential in predicting the refrigerant superheat or subcool valu

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Barannik, Vladimir, Andrii Krasnorutsky, Sergii Shulgin, Valerii Yeroshenko, Yevhenii Sidchenko, and Andrii Hordiienko. "Image compression based on classification coding of constant-pitched functions transformers." RADIOELECTRONIC AND COMPUTER SYSTEMS, no. 3 (October 5, 2021): 48–62. http://dx.doi.org/10.32620/reks.2021.3.05.

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The subject of research in the article are the processes of video image processing using an orthogonal transformation for data transmission in information and telecommunication networks. The aim is to build a method of compression of video images while maintaining the efficiency of its delivery at a given informative probability. That will allow to provide a gain in the time of delivery of compressed video images, a necessary level of availability and authenticity at transfer of video data with preservation of strictly statistical regulations and the controlled loss of quality. Task: to study

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Zhou, Shan, Jinbo Wang, Panpan Xue, Xiangyang Wang, and Lu Kong. "An Approach to the State Explosion Problem: SOPC Case Study." Electronics 12, no. 24 (2023): 4987. http://dx.doi.org/10.3390/electronics12244987.

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The system on a programmable chip (SOPC) architecture is better than traditional central processing unit (CPU) + field-programmable gate array (FPGA) architecture. It forms an efficient coupling between processor software and programmable logic through an on-chip high-speed bus. The SOPC architecture is resource-rich and highly customizable. At the same time, it combines low power consumption and high performance, making it popular in the field of high reliability and other new industrial fields. The SOPC architecture system is complex and integrates multiple forms of intellectual property (IP

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Motriuk, Roman W., and Timothy Schmidt. "Rapid, Wide-Field Measurements of Complex Transient Shell Vibrations." Journal of Pressure Vessel Technology 123, no. 4 (2001): 537–43. http://dx.doi.org/10.1115/1.1388286.

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The mapping and evaluation of complex vibrational fields is often highly desirable in the pressure vessel and piping industry. It is also tedious and expensive using conventional technology such as strain gage and accelerometer arrays. This paper describes field and laboratory measurements made with a portable pulsed laser system that instantaneously captures displacement data over areas up to 2 m2, with submicron sensitivity. The results indicate that pulsed holographic or electronic speckle interferometry facilitates the evaluation of nonstationary vibrational fields with significant advanta

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Oscar, Guest. "A review of the anatomical variations of the hand and forearm, and the clinical implications of these." International Journal of Anatomical Variations 17, no. 2 (2024): 504–5. https://doi.org/10.5281/zenodo.10837654.

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Abstract Our understanding of anatomy minutiae, and the variations that exist between different individuals, is of increasing significance in a world of highly precise surgical medicine. This review highlights the clinical significance of anatomical variations pertaining to palmaris longus, flexor digitorum superficialis, the median nerve and the superficial palmar arch. Keywords Anatomy; Forearm; Anatomical variation INTRODUCTION Our understanding of anatomy’s minutiae, and the variations that exist between different individuals, is of increasing significance in a world of highly precis

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Verde, Juan, Caressa Chen, Colin Brahmstedt, et al. "LONGITUDINAL COMPRESSION THERAPY FOR SMALL BOWEL STRICTURE CROHN'S DISEASE: DURABLE RESOLUTION IN SWINE MODEL." Inflammatory Bowel Diseases 29, Supplement_1 (2023): S5. http://dx.doi.org/10.1093/ibd/izac247.012.

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Abstract INTRODUCTION Small bowel stricture is common in Crohn’s disease (CD), both de novo and after resection. With all standard treatments having high recurrence rates, CD patients would benefit greatly from a novel and highly durable non-surgical intervention. We report the first long-term study of longitudinal compression therapy (LCT) for the treatment of anastomotic strictures in an animal CD stricture model. LCT entails progressive endoluminal compression of stricture tissue between two flange-like device components. The goal is to gradually bring about necrosis of fibrotic tissue inte

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Lipták, Zsuzsanna, Francesco Masillo, and Simon J. Puglisi. "Suffix sorting via matching statistics." Algorithms for Molecular Biology 19, no. 1 (2024). http://dx.doi.org/10.1186/s13015-023-00245-z.

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AbstractWe introduce a new algorithm for constructing the generalized suffix array of a collection of highly similar strings. As a first step, we construct a compressed representation of the matching statistics of the collection with respect to a reference string. We then use this data structure to distribute suffixes into a partial order, and subsequently to speed up suffix comparisons to complete the generalized suffix array. Our experimental evidence with a prototype implementation (a tool we call ) shows that on string collections with highly similar strings we can construct the suffix arr

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Saravanan, Nagesh, A. González-Huici María, and Ender Joachim. "Joint Waveform Optimisation and Array Design for Compressed Sensing MIMO Radar via Mutual Coherence Minimisation." May 31, 2022. https://doi.org/10.5281/zenodo.6599548.

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Abstract—The increasing dimensionality of Code Division Multiple Access (CDMA) Multiple Input Multiple Output (MIMO) radar systems is particularly suitable for recovery strategies using Compressed Sensing (CS) algorithms. To provide optimal recovery guarantees, the sensing matrix must satisfy the constrained isometry property (RIP). Unfortunately, verifying RIP is an NP-hard problem and is especially impractical for applications with analogue sensors such as radar. An alternative practical metric to RIP that still provides acceptable performance is mutual coherence. The lower the value o

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Coles, Lawrence, Domenico Ventrella, Alejandro Carnicer-Lombarte, et al. "Origami-inspired soft fluidic actuation for minimally invasive large-area electrocorticography." Nature Communications 15, no. 1 (2024). http://dx.doi.org/10.1038/s41467-024-50597-2.

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AbstractElectrocorticography is an established neural interfacing technique wherein an array of electrodes enables large-area recording from the cortical surface. Electrocorticography is commonly used for seizure mapping however the implantation of large-area electrocorticography arrays is a highly invasive procedure, requiring a craniotomy larger than the implant area to place the device. In this work, flexible thin-film electrode arrays are combined with concepts from soft robotics, to realize a large-area electrocorticography device that can change shape via integrated fluidic actuators. We

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Zhang, Chen, Benyou Wang, and Dawei Song. "On Elastic Language Models." ACM Transactions on Information Systems, July 12, 2024. http://dx.doi.org/10.1145/3677375.

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Large-scale pretrained language models have achieved compelling performance in a wide range of language understanding and information retrieval tasks. While their large scales ensure capacity, they also hinder deployment. Knowledge distillation offers an opportunity to compress a large language model to a small one, in order to reach a reasonable latency-performance tradeoff. However, for scenarios where the number of requests (e.g., queries submitted to a search engine) is highly variant, the static tradeoff attained by the compressed language model might not always fit. Once a model is assig

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Corbella Bagot, Conrad, Taleb Ba Tis, Bo Xu, Cobi Sabo, Eric Rappeport, and Wounjhang Park. "Optical Force Sensor Based on Plasmon Modulated Upconversion Luminescence." Advanced Optical Materials, May 25, 2024. http://dx.doi.org/10.1002/adom.202400393.

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AbstractA novel force sensor exploiting the interaction between plasmonic nanostructures and upconversion nanoparticles (UCNPs) is reported. The nanosensor is composed of a gold nanodisk and UCNPs separated by a flexible polymer layer. The gold nanodisk is designed to exhibit a plasmon resonance that selectively enhances one of the emission bands of the UCNPs while leaving the other ones largely unaffected. As the nanosensor is compressed or stretched by an external force, the polymer layer thickness changes, modulating the plasmon‐UCNP coupling. The resulting changes in the luminescence inten

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Spakovszky, Z. S., and C. H. Roduner. "Spike and Modal Stall Inception in an Advanced Turbocharger Centrifugal Compressor." Journal of Turbomachinery 131, no. 3 (2009). http://dx.doi.org/10.1115/1.2988166.

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In turbocharger applications, bleed air near the impeller exit is often used for secondary flow systems to seal bearing compartments and to balance the thrust load on the bearings. There is experimental evidence that the performance and operability of highly-loaded centrifugal compressor designs can be sensitive to the amount of bleed air. To investigate the underlying mechanisms and to assess the impact of bleed air on the compressor dynamic behavior, a research program was carried out on a preproduction, 5.0 pressure ratio, high-speed centrifugal compressor stage of advanced design. The inve

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Huang, Shaozhuan, Ye Wang, Junping Hu, et al. "In situ-grown compressed NiCo2S4 barrier layer for efficient and durable polysulfide entrapment." NPG Asia Materials 11, no. 1 (2019). http://dx.doi.org/10.1038/s41427-019-0159-1.

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Abstract Modifying a polypropylene (PP) separator with a polysulfide barrier layer can improve the cycling performance of lithium–sulfur (Li–S) batteries. However, conventional slurry-coating- and vacuum-filtration-designed barriers usually show poor particle connection and require extra binder. Herein, we propose a facile in situ growth method and a subsequent compression strategy to design multifunctional NiCo2S4 (NiCoS) nanosheet arrays on a PP membrane for high-performance Li–S batteries. The in situ grown NiCoS nanosheet arrays are interconnected, conductive and closely adhered to the PP

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George, Loay E., Enas Kh Hassan, Sajaa G. Mohammed, and Faisel G. Mohammed. "Selective Image Encryption Based on DCT, Hybrid Shift Coding and Randomly Generated Secret Key." Iraqi Journal of Science, April 26, 2020, 920–35. http://dx.doi.org/10.24996/ijs.2020.61.4.25.

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Most of today’s techniques encrypt all of the image data, which consumes a tremendous amount of time and computational payload. This work introduces a selective image encryption technique that encrypts predetermined bulks of the original image data in order to reduce the encryption/decryption time and thecomputational complexity of processing the huge image data. This technique is applying a compression algorithm based on Discrete Cosine Transform (DCT). Two approaches are implemented based on color space conversion as a preprocessing for the compression phases YCbCr and RGB, where the resulta

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Cui, Yuanlong, Elmer Theo, Tugba Gurler, Yuehong Su, and Riffat Saffa. "Feasibility of hybrid renewable heating system application in poultry house: a case study of East Midlands, UK." International Journal of Low-Carbon Technologies, June 13, 2020. http://dx.doi.org/10.1093/ijlct/ctaa037.

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Abstract Currently, there has been an obvious lack of innovation within poultry houses heating, ventilation and air conditioning (HVAC) system design that deals with both energy efficiency and poultry welfare issues. This paper presents an innovative and renewable heating system for poultry house application to meet the welfare living environment requirement for breeding, to improve the energy efficiency of HVAC system and to decrease fossil fuel consumption and harmful gas emissions. The purpose of this study is to design, develop and test the highly efficient hybrid heating system via an int

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Greig, Bradley, Yuan-Sen Ting, and Alexander A. Kaurov. "Exploring the cosmic 21-cm signal from the Epoch of Reionisation using the Wavelet Scattering Transform." Monthly Notices of the Royal Astronomical Society, April 9, 2022. http://dx.doi.org/10.1093/mnras/stac977.

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Abstract Detecting the cosmic 21-cm signal during the Epoch of Reionisation and Cosmic Dawn will reveal insights into the properties of the first galaxies and advance cosmological parameter estimation. Until recently, the primary focus for astrophysical parameter inference from the 21-cm signal centred on the power spectrum (PS). However, the cosmic 21-cm signal is highly non-Gaussian rendering the PS sub-optimal for characterizing the cosmic signal. In this work, we introduce a new technique to analyse the non-Gaussian information in images of the 21-cm signal called the Wavelet Scattering Tr

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Datta, Rishabh, Aidan Crilly, Jeremy P. Chittenden, et al. "Simulations of radiatively cooled magnetic reconnection driven by pulsed power." Journal of Plasma Physics 90, no. 2 (2024). http://dx.doi.org/10.1017/s0022377824000448.

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Magnetic reconnection is an important process in astrophysical environments, as it reconfigures magnetic field topology and converts magnetic energy into thermal and kinetic energy. In extreme astrophysical systems, such as black hole coronae and pulsar magnetospheres, radiative cooling modifies the energy partition by radiating away internal energy, which can lead to the radiative collapse of the reconnection layer. In this paper, we perform two- and three-dimensional simulations to model the MARZ (Magnetic Reconnection on Z) experiments, which are designed to access cooling rates in the labo

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Mudie, Ella. "Disaster and Renewal: The Praxis of Shock in the Surrealist City Novel." M/C Journal 16, no. 1 (2013). http://dx.doi.org/10.5204/mcj.587.

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Introduction In the wake of the disaster of World War I, the Surrealists formulated a hostile critique of the novel that identified its limitations in expressing the depth of the mind's faculties and the fragmentation of the psyche after catastrophic events. From this position of crisis, the Surrealists undertook a series of experimental innovations in form, structure, and style in an attempt to renew the genre. This article examines how the praxis of shock is deployed in a number of Surrealist city novels as a conduit for revolt against a society that grew increasingly mechanised in the clima

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