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281
Design of an Impulse Radiating Antenna Using a Curved TEM-Wire Fed Parabola
Published 2012-01-01“…It is also found that wire separation near the focal point limits the high frequency directivity.…”
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282
DOA Estimation Performance Analysis and Verification of Dual Crossed-Loop/Monopole Antenna Array
Published 2019-01-01“…The compact high-frequency surface wave radar using a crossed-loop/monopole (CLM) antenna as the receiving sensor has been widely used in ocean remote sensing and target monitoring. …”
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283
Adaptive Heterogeneous Autoregressive Models of Realized Volatility Based on a Genetic Algorithm
Published 2014-01-01“…The heterogeneous autoregressive (HAR) models of high-frequency realized volatility are inspired by the Heterogeneous Market Hypothesis and incorporate daily, weekly and monthly realized volatilities in the volatility dynamics with a (1,5,22) time horizon structure. …”
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284
Ventricular Tachycardia Originating from Moderator Band: New Perspective on Catheter Ablation
Published 2017-01-01“…Electroanatomic mapping revealed a complex fractionated, high frequency potential with long duration preceding the QRS onset of the IVT. …”
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285
Prevalence of Oral Lesions Biopsies Among Different Laboratories
Published 2024-12-01“…Conclusions: The results showed a high frequency of malignant tumors, which need more evaluation of etiological factors. …”
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286
Development of an Autonomous Endoscopically Implantable Submucosal Microdevice Capable of Neurostimulation in the Gastrointestinal Tract
Published 2017-01-01“…It is known that the application of high-frequency low-energetic stimulation can help to effectively moderate and alleviate the symptoms of gastric dysmotility. …”
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287
Spondylodiscitis Occurring after Diagnostic Lumbar Puncture: A Case Report
Published 2013-01-01“…However, the diagnosis is often delayed due to the rarity and insidious onset of the disease usually presenting with low back pain which has a high frequency in the society. If it is diagnosed early before development of an abscess requiring surgery or neurological deficit, it responds to antimicrobial therapy quite well. …”
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288
Stability and Complexity Analysis of Temperature Index Model Considering Stochastic Perturbation
Published 2018-01-01“…Stochastic factors do not usually change the trend in temperature, but they can cause high frequency fluctuations in the process of temperature evolution. …”
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289
Worldwide variations in the knowledge and use of fluoroscopy during percutaneous nephrolithotomy—should we do better? A survey by the European Association of Urology Section for Ur...
Published 2025-01-01“…Precautions to reduce exposure appeared poorly followed as up to 25.4% of respondents used regularly continuous fluoroscopy, and up to 20.5% used regularly high-frequency setting and this trend was more obvious among senior specialists (6.2% of trainees used high-frequency settings vs. 21.3% of consultants, p<0.05). …”
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290
Pneumoperitoneum without Intestinal Perforation in a Neonate: Case Report and Literature Review
Published 2017-01-01“…We report a case of pneumoperitoneum with no intestinal perforation in a preterm neonate with respiratory distress syndrome who was on high frequency oscillatory ventilation (HFOV). He developed bilateral pulmonary interstitial emphysema with localized cystic lesion, likely localized pulmonary interstitial emphysema, and recurrent pneumothoraces. …”
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291
Experimental and Numerical Investigation of Acoustic Performance for Full-Sized SPS
Published 2022-01-01“…Furthermore, in the medium- and high-frequency domain, the main factors affecting the sound insulation were different in the different frequency ranges, and the frequency range should be considered during the design of the structure. …”
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292
Study on the Detectability of the Sky-Surface Wave Hybrid Radar
Published 2014-01-01“…Working in the HF (high-frequency) band and the transmitter and receiver locating separately, the sky-surface wave hybrid radar both has the capabilities of the OTHR (over-the-horizon radar) and the advantage of the bistatic radar. …”
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293
A Novel Method for Preparation of Zn-Doped CuInS2 Solar Cells and Their Photovoltaic Performance
Published 2013-01-01“…In this study, a novel method was proposed to synthesize high quality Zn-doped CuInS2 nanocrystals under high frequency magnetic field at ambient conditions. The magnetic Zn-doping gave superparamagnetic heating of the resulting nanocrystals via magnetic induction, causing an accelerating growth rate of the doped CuInS2 under ambient conditions faster than conventional autoclave synthesis. …”
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294
An Experimental In Vivo Model to Characterize “Heavy Legs” Symptom in Topical Formulations
Published 2009-01-01“…Local blood flow records were obtained instantaneously and during postural change with a laser doppler flowmeter (LDF). High-frequency sonography and local morphometry were also obtained at Days 0, 14, and 28. …”
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295
A Note on Directional Wavelet Transform: Distributional Boundary Values and Analytic Wavefront Sets
Published 2012-01-01“…Moreover, we show that for a given distribution f∈𝒮′(ℝn), the continuous wavelet transform of f with respect to a conical wavelet is defined in such a way that the directional wavelet transform of f yields a function on phase space whose high-frequency singularities are precisely the elements in the analytic wavefront set of f.…”
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296
Ou comme ça, machin et autres marqueurs d’indétermination dans les listes
Published 2017-09-01“…On the one hand, we study the sequence ou comme ça (“or like that”), whose high frequency seems to be characteristic of the OFROM corpus. …”
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297
A Double-Boost Converter Based on Coupled Inductance and Magnetic Integration
Published 2021-01-01“…High-voltage gain converter has a high-frequency use in some industrial fields, for instance, the fuel cell system, the photovoltaic system, electric vehicles, and the high-intensity discharge lamp. …”
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298
Focal Mechanisms of Mw 6.3 Aftershocks from Waveform Inversions, Phayao Fault Zone, Northern Thailand
Published 2017-01-01“…Band-pass filtering in the range of 0.03–0.15 Hz was selected for reducing low- and high-frequency noise. Source positions were created by using a single-source inversion and a grid-search method computed to optimize the waveform match. …”
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299
Realized Jump Risk and Equity Return in China
Published 2014-01-01“…After estimating daily realized jumps from high-frequency transaction data of the Chinese A-share stocks, we calculate monthly jump size, monthly jump standard deviation, and monthly jump arrival rate and then use those monthly jump factors to explain the return of the following month. …”
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300
A Novel Nonlinear LPDA Design for HF Direction Finding
Published 2019-01-01“…A novel design of log-periodic dipole array (LPDA) for high-frequency direction finding (DF) is presented. The traditional Carrel method employs fixed values of scale factor and spacing factors in LPDA designs. …”
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