Showing 241 - 260 results of 472 for search '"waveform"', query time: 0.05s Refine Results
  1. 241

    Robust Spike Sorting Using Dual Tree Complex Wavelet Transform: Overcoming Traditional Limitations by Gorkem Serbes

    Published 2025-01-01
    “…A simulated dataset with varying noise levels and spike waveform similarities was used for validation. The performance of DT-CWT was compared with Haar wavelet and PCA using both original and modified superparamagnetic clustering approaches. …”
    Get full text
    Article
  2. 242

    Design and Characteristic Analysis of Multicarrier Chaotic Phase Coded Radar Pulse Train Signal by Qiongdan Huang, Yong Li, Yaoping Zeng, Yinjuan Fu

    Published 2014-01-01
    “…Simulation results show that the designed pulse train signals have a thumbtack ambiguity function, a periodic autocorrelation side lobe lower than P4 code MCPC pulse train, and excellent LPI performance, as well as the feature of waveform diversity.…”
    Get full text
    Article
  3. 243

    Intraoperative Management of Large Resuscitation-Associated Venous Air Embolism (VAE) for Emergent Neurological Surgery by Ryan S. D’Souza, Arnoley S. Abcejo, Matthew A. Sexton

    Published 2020-01-01
    “…Intraoperatively, she experienced acute decrease in mean arterial pressure and end-expiratory carbon-dioxide with loss of pulse oximetry waveform concerning for obstructive VAE physiology. …”
    Get full text
    Article
  4. 244

    Crust and Uppermost Mantle Magma Plumbing System Beneath Changbaishan Intraplate Volcano, China/North Korea, Revealed by Ambient Noise Adjoint Tomography by Xingli Fan, Zhen Guo, Yang Zhao, Qi‐Fu Chen

    Published 2022-06-01
    “…We present a refined high‐resolution 3D crust and uppermost mantle S‐wave velocity (Vs) model of CBV by applying advanced 3D full‐waveform adjoint tomography on seismic ambient noise data recorded in both China and North Korea. …”
    Get full text
    Article
  5. 245

    Performance Comparison of Doppler Scale Estimation Methods for Underwater Acoustic OFDM by Lei Wan, Zhaohui Wang, Shengli Zhou, T. C. Yang, Zhijie Shi

    Published 2012-01-01
    “…In this paper, we compare different Doppler scale estimation methods using either cyclic-prefixed (CP) or zero-padded (ZP) orthogonal-frequency division-multiplexing (OFDM) waveforms. For a CP-OFDM preamble, a self-correlation method allows for blind Doppler scale estimation based on an embedded repetition structure while a cross-correlation method is available with the knowledge of the waveform. …”
    Get full text
    Article
  6. 246

    Design and Analysis of a Low Cost Wave Generator Based on Direct Digital Synthesis by Jian Qi, Qun Sun, Xiaoliang Wu, Chong Wang, Linlin Chen

    Published 2015-01-01
    “…Then, it proposes a design of the hardware, which include power supply module, display module, keyboard module, waveform generating module based on DDS chip, and the minimum system module based on C8051F010. …”
    Get full text
    Article
  7. 247

    System Design to control a wheelchair using brain electric signals by Fausto Freire Carrera, Olga Chadrina, Edison Maila Andrango, Vladimir Drozdov

    Published 2019-11-01
    “…The electroencephalography signals generated by the user (emotion, participation / boredom, frustration and meditation) were observed and measured using a waveform. The system test was performed with a 40-year-old patient with spastic paraplegia caused by a fracture in the spine.…”
    Get full text
    Article
  8. 248

    A Preliminary Study on the Functionality of the Carotid-Vertebral Anastomotic Artery in the Regulation of Blood Flow in the Giraffe (Giraffa camelopardalis) by Duplex Ultrasound Ex... by Marna S. van der Walt, Willem Daffue, Jacqueline Goedhals, Corna Serfontein, Francois Deacon

    Published 2023-01-01
    “…Duplex ultrasound with Doppler waveform examination showed the unidirectional movement of blood with movement from the vertebral artery into the common carotid artery when the head is erect. …”
    Get full text
    Article
  9. 249

    Optimal Robust Time-Domain Feature-Based Bearing Fault and Stator Fault Diagnosis by G. Geetha, P. Geethanjali

    Published 2024-01-01
    “…The optimal features mean absolute value, simple sign integral, and waveform length yields 99.8% and 100% for bearing fault and stator fault diagnosis, respectively, in PMSM. …”
    Get full text
    Article
  10. 250

    An Experimental and Modeling Study on the Response to Varying Pore Pressure and Reservoir Fluids in the Morrow A Sandstone by Aaron V. Wandler, Thomas L. Davis, Paritosh K. Singh

    Published 2012-01-01
    “…The modified well logs simulate the brine- and CO2-saturated cases at minimum and maximum reservoir pressure and are inputs for full waveform seismic modeling. Modeling shows how P- and S-waves have a different time-lapse amplitude response with offset. …”
    Get full text
    Article
  11. 251

    Effect of Yanshiqiangxin Decoction on Cardiomyocyte Apoptosis in Heart Failure Rats Based on PI3K/Akt/Caspase-9 Signaling Pathway by ZHU Sixing, YAN Shiyun, XU Yan, QIN Yan, CHEN Liyun, JIA Meijun

    Published 2022-04-01
    “…Compared with the model group, the amplitude of left ventricular anterior wall motion waveform increased at different degrees in the low, medium and high dose Yanshiqiangxin decoction group, LVEF and LVFS gradually increased with the increase of administration concentration (<italic>P</italic>&lt;0.05), while LVIDd decreased only in the medium dose Yanshiqiangxin decoction group (<italic>P</italic>&lt;0.05), LVIDs of the medium dose Yanshiqiangxin decoction group and the high dose Yanshiqiangxin decoction group were significantly reduced, the medium dose Yanshiqiangxin decoction group decreased the most significantly (<italic>P</italic>&lt;0.05). ② Serum BNP results: compared with the normal group, BNP of the model group was significantly increased (<italic>P</italic>&lt;0.05). …”
    Get full text
    Article
  12. 252

    End-to-End Speech Synthesis for Tibetan Multidialect by Xiaona Xu, Li Yang, Yue Zhao, Hui Wang

    Published 2021-01-01
    “…Thirdly, two dialect-specific WaveNet vocoders are combined with the feature prediction network, which synthesizes the Mel spectrum of Lhasa-Ü-Tsang and Amdo pastoral dialect into time-domain waveform, respectively. The model avoids using a large number of Tibetan dialect expertise for processing some time-consuming tasks, such as phonetic analysis and phonological annotation. …”
    Get full text
    Article
  13. 253

    Mt. Etna Tilt Signals Associated with February 6, 2023, M=7.8 and M=7.5 Turkey Earthquakes by Laura Privitera, Ferruccio Ferrari, Angelo Ferro, Salvatore Gambino

    Published 2023-01-01
    “…We compared tilt and seismic data for a co–located station evidencing a very similar waveform that highlight how tiltmeters respond to translational acceleration rather than ground tilt during a teleseism, suggesting that, for waves with this period, they may behave as horizontal seismometers. …”
    Get full text
    Article
  14. 254

    An Accurate Integral Method for Vibration Signal Based on Feature Information Extraction by Yong Zhu, Wanlu Jiang, Xiangdong Kong, Zhi Zheng, Haosong Hu

    Published 2015-01-01
    “…This method took full advantage of the self-adaptive filter characteristic and waveform correction feature of ensemble empirical mode decomposition in dealing with nonlinear and nonstationary signals. …”
    Get full text
    Article
  15. 255

    The interplay of uncertainty, relevance and learning influences auditory categorization by Janaki Sheth, Jared S. Collina, Eugenio Piasini, Konrad P. Kording, Yale E. Cohen, Maria N. Geffen

    Published 2025-01-01
    “…Auditory categorization depends not only on the acoustic waveform, but also on variability and uncertainty in how the listener perceives the sound – including sensory and stimulus uncertainty, the listener’s estimated relevance of the particular sound to the task, and their ability to learn the past statistics of the acoustic environment. …”
    Get full text
    Article
  16. 256

    Modular multilevel converter periodic trajectory determination — A generic Fourier-based collocation method by Philippe De Rua, Jef Beerten

    Published 2025-03-01
    “…To this day, most methods rely on lengthy manipulations of waveform representations and cannot generally account for delays and nonlinearities other than products of variables. …”
    Get full text
    Article
  17. 257

    Relationship between Metabolic Syndrome and Ocular Microcirculation Shown by Laser Speckle Flowgraphy in a Hospital Setting Devoted to Sleep Apnea Syndrome Diagnostics by Tomoaki Shiba, Mao Takahashi, Tadashi Matsumoto, Yuichi Hori

    Published 2017-01-01
    “…Blowout score (BOS) and blowout time (BOT), which are the pulse waveform analysis parameters, and mean blur rate (MBR) using LSFG in the optic nerve head (ONH) and choroid were evaluated. …”
    Get full text
    Article
  18. 258

    An industrial Internet-of-things URLLC system via cross-layer design for anti-jamming by WANG Xiang, ZHAO Peiyi, ZENG Qi, ZHONG Jun, ZHANG Xing, SU Jingru

    Published 2024-10-01
    “…Additionally, the Sub-FH/OFDMA waveforms were incorporated into a scheduling strategy with mini-slots as the basic unit. …”
    Get full text
    Article
  19. 259

    Analysis of Differences in ECG Characteristics for Different Types of Drivers under Anxiety by Yongqing Guo, Xiaoyuan Wang, Qing Xu, Quan Yuan, Chenglin Bai, Xuegang (Jeff) Ban

    Published 2021-01-01
    “…The results show that there are significant differences in ECG signal characteristics of drivers by gender, age, and driving experience, in time domain, frequency domain, and waveform under anxiety. Our findings of this study contribute to the development of more intelligent and personalized driver warning system, which could improve road traffic safety.…”
    Get full text
    Article
  20. 260

    Rupture Directivity of Moderate Earthquakes Along the Main Marmara Fault Suggests Larger Ground Motion Towards Istanbul by Xiang Chen, Patricia Martínez‐Garzón, Grzegorz Kwiatek, Yehuda Ben‐Zion, Marco Bohnhoff, Fabrice Cotton

    Published 2025-01-01
    “…We calculate source mechanisms with a waveform modeling approach and analyze earthquake directivity from apparent source‐time functions using empirical Green's functions. …”
    Get full text
    Article