A Defected Structure Shaped CPW-Fed Wideband Microstrip Antenna for Wireless Applications by Puneet Khanna, Amar Sharma, Kshitij Shinghal, Arun Kumar

“…Simulated results of the proposed antenna have been obtained by using Ansoft High-Frequency Structure Simulator (HFSS) software. These results are compared with measured results by using network analyzer. …”
Get full text

A Characterization of the Diffuse Galactic Emissions in the Anticenter of the Galaxy by L. Fauvet, J. F. Macías-Pérez, S. R. Hildebrandt, F.-X. Désert

“…Using the Archeops and WMAP data, we perform a study of the anticenter Galactic diffuse emissions—thermal dust, synchrotron, free-free, and anomalous emissions—at degree scales. The high-frequency data are used to infer the thermal dust electromagnetic spectrum and spatial distribution allowing us to precisely subtract this component at lower frequencies. …”
Get full text

Microbiological Characteristics of Trachanas, a Traditional Fermented Dairy Product from Cyprus by Despina Bozoudi, Maria Agathokleous, Iacovos Anastasiou, Photis Papademas, Dimitris Tsaltas

“…Lactococcus lactis was isolated in high frequency (27.9% of the isolates) at the beginning, while Lactobacillus spp. (20%) and Saccharomyces unisporus (17.9%) were isolated at the end of fermentation. …”
Get full text

Equivalent Continuum Coupling-Based Slope Stability Analysis of Zhouning Pumped Storage Power Station by Jinhong Lin, Yongsheng Zhu, Jing Hou, Bing Pan, Weijiang Chu, Wenhong Huang

“…Firstly, the hydraulic properties of rock mass, groundwater, and deformation mechanism under high-frequency fluctuations of the water level are analyzed. …”
Get full text

Research on Polarization Cancellation of Nonstationary Ionosphere Clutter in HF Radar System by Xingpeng Mao, Hong Hong, Weibo Deng, Yongtan Liu

“…Oblique projection polarization filter (OPPF) can be applied as an effective approach for interference cancellation in high-frequency surface wave radar (HFSWR) and other systems. …”
Get full text

A Double Inverted F-Shape Patch Antenna for Dual-Band Operation by M. M. Islam, M. R. I. Faruque, W. Hueyshin, J. S. Mandeep, T. Islam

“…Commercially available high frequency structural simulator (HFSS) based on the finite element method (FEM) has been adopted in this investigation. …”
Get full text

Evaluation of the medical assistance to asthmatic patients. by Margarita Roméu Escobar, Milagros Mesa Abreu, Caridad Hernández Gutiérrez, Estrella Armenteros Espinosa

“…Bronquial asthma is a high frequency desease, and it requires an evaluated attention. …”
Get full text

Investigation of Relation between Fracture Scale and Acoustic Emission Time-Frequency Parameters in Rocks by Junwen Zhang

“…On the contrary, if the high frequency has low energy value, it indicates a small-scale crack. …”
Get full text

Circuit analysis of radiation reaction in metamaterials by retarded electromagnetic coupling by Ryoma Nakata, Takashi Hisakado, Tohlu Matsushima, Osami Wada

“…Abstract Because radiation is essential in high‐frequency circuits, such as those used in metamaterials and plasmonics, the investigation of radiation loss is important. …”
Get full text

Characterisation of Harmonic Resonance Phenomenon of Multi-Parallel PV Inverter Systems: Modelling and Analysis by Kasun Peiris, Sean Elphick, Jason David, Duane Robinson

“…In addition, a method is developed to establish output filter frequency response through measurements, which is used to develop validated solar PV harmonic models for high-frequency analysis. The low-frequency harmonic models can be used up to the resonant frequency where the current flowing through the filter capacitor is insignificant compared to the current flowing into the electricity network.…”
Get full text

Frequency Spectrum and Wavelet Packet Analyses of Blasting Vibration Signals for Different Charge Structures in Blasting Peripheral Holes by Ke Man, Xiaoli Liu, Zhifei Song

“…Especially in the low-frequency part, the blasting energy is less, and there is a transferring trend to the high-frequency part, which shows that the cutting seam cartridge charge has a better optimization effect. …”
Get full text

Fault Diagnosis Method for Rotating Machinery Based on Hierarchical Amplitude-Aware Permutation Entropy and Pairwise Feature Proximity by Ling Shu, Jinxing Shen, Xiaoming Liu

“…With a view to solving the defect that multiscale amplitude-aware permutation entropy (MAAPE) can only quantify the low-frequency features of time series and ignore the high-frequency features which are equally important, a novel nonlinear time series feature extraction method, hierarchical amplitude-aware permutation entropy (HAAPE), is proposed. …”
Get full text

FEATURES OF INTERPRETATION OF THE RESULTS OF HOLTER MONITORING IN THE AGE CATEGORY OF THE POPULATION by K.E. Gubskaya, Y.T Tolegenov, D.A Urazalina

“…The degree of separation of the basic indicators of the Holter Diptych in low- and high-frequency modes is noted. Age features are noted in assessing heart rate variability. …”
Get full text

Accuracy Improvement Capability of Advanced Projectile Based on Course Correction Fuze Concept by Ahmed Elsaadany, Yi Wen-jun

“…In addition, the canard extension induces a high-frequency incidence angle as canards reciprocate at the roll motion.…”
Get full text

Research on Vibration Reduction Design of Foundation with Entangled Metallic Wire Material under High Temperature by Yue Zhu, Yiwan Wu, Hongbai Bai, Zheyu Ding, Yichuan Shao

“…The results show that, at room temperature, the composite foundation has remarkable vibration reduction efficiency in the middle and high-frequency bands. The maximum insertion loss can reach 15.37 dB. …”
Get full text

Structural Improvements for Tall Buildings under Wind Loads: Comparative Study by Nicola Longarini, Luigi Cabras, Marco Zucca, Suvash Chapain, Aly Mousaad Aly

“…To evaluate the wind effects, wind tunnel testing and structural analysis were conducted, by two different procedures: (i) Pressure Integration Method (PIM), with finite element modeling, and (ii) High Frequency Force Balance (HFFB) technique. The results from both approaches are compared with those obtained from Eurocode 1 and the Italian design codes, emphasizing the need to further deepen the understanding of problems related to wind actions on such type of structure with high geometrical slenderness. …”
Get full text

Performance Analysis of Multiscale Entropy for the Assessment of ECG Signal Quality by Yatao Zhang, Shoushui Wei, Yutao Long, Chengyu Liu

“…Firstly, the MSE for the typical noises, that is, high frequency (HF) noise, low frequency (LF) noise, and power-line (PL) noise, was analyzed. …”
Get full text

High-Efficiency Dynamic Modeling of a Helical Spring Element Based on the Geometrically Exact Beam Theory by Jian Zhang, Zhaohui Qi, Gang Wang, Shudong Guo

“…In addition, a model smoothing method is developed and applied in the numerical analysis to filter the high-frequency oscillation component of the flexible multibody systems, so as to correct the system dynamic equations and improve the calculation efficiency when solving the static equilibrium of the spring. …”
Get full text

Impacts of heatwaves on electricity reliability: Evidence from power outage data in China by Jing Liang, Yueming (Lucy) Qiu, Bo Wang, Xingchi Shen, Shangwei Liu

“…This study empirically examines the impact of heatwaves on power outages, employing fixed-effects models and using high-frequency outage data from China (2019–2021). The results indicate that heatwaves increase the frequency of outages by 3.9%–4.0% and extend their duration by 7.9%–8.3%. …”
Get full text

A 37 mm Spindle Cell Lipoma on the Floor of the Mouth by Eve Malthiery, Valérie Costes-Martineau, Marie-Alix Fauroux, Jacques-Henri Torres

“…Medical imaging assessment of this lesion could have been influenced by the high frequency of the ranulas in the floor of the mouth. …”
Get full text