Gamma Splines and Wavelets by Hannu Olkkonen, Juuso T. Olkkonen

“…We prove that the gamma splines obey the two-scale equation based on the polyphase decomposition. to introduce the shift invariant gamma spline wavelet transform for tree structured subscale analysis of asymmetric signal waveforms and for systems with asymmetric impulse response. …”
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Bifurcations of a Controlled Two-Bar Linkage Motion with Considering Viscous Frictions by Qingkai Han, Xueyan Zhao, Xingxiu Li, Bangchun Wen

“…Then, single-periodic, multiple-periodic, quasi-periodic and chaotic motions of link rotating angles are simulated with given different viscous friction values, and they are illustrated in time domain waveforms, phase space portraits, amplitude spectra and Poincare mapping graphs, respectively. …”
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Duplicate Vas Deferens Encountered during Inguinal Hernia Repair: A Case Report and Literature Review by Maxwell C. Breitinger, Evan H. Roszkowski, Adam J. Bauermeister, Andrew A. Rosenthal

“…Doppler ultrasonography confirmed absence of waveforms in both vasa deferentia with arterial signal in the accompanying vessel. …”
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A Three-Phase Reduced Switch Count Multilevel Inverter Topology by S. Sivamani, V. Mohan

“…Multilevel inverters play a vital role in the industrial and renewable energy sectors due to their flexibility in synthesizing sinusoidal waveforms using a low-pass filter with a medium voltage range. …”
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Inner radius and energy conditions of dark matter halos surrounding Schwarzschild black holes by Zibo Shen, Anzhong Wang, Shaoyu Yin

“…All our solutions expressed explicitly in closed form are particularly valuable for the studies of the gravitational waveforms of extreme/intermediate mass ratio inspirals and the nature of dark matter in galaxies.…”
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Accurate Parameter Estimation for Unbalanced Three-Phase System by Yuan Chen, Hing Cheung So

“…After converting the three-phase waveforms into a pair of orthogonal signals via the αβ-transformation, the nonlinear least squares (NLS) estimator is developed for accurately finding the frequency, phase, and voltage parameters. …”
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Design of New High Step-Up DC-DC Converter Topology for Solar PV Applications by Shanthi Thangavelu, Prabha Umapathy

“…The proposed high-voltage gain converter topology has many advantages like low-voltage stress on the switches, high gain with low duty ratio, and a continuous input current. The analytical waveforms of the proposed converter are presented in continuous and discontinuous modes of operation. …”
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Modeling of Millimeter-Wave Modulation Characteristics of Semiconductor Lasers under Strong Optical Feedback by Ahmed Bakry

“…The simulated time-domain characteristics of modulation include the waveforms of the intensity and frequency chirp as well as the associated distortions of the modulated mm-wave signal. …”
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Multichannel Speech Enhancement in Vehicle Environment Based on Interchannel Attention Mechanism by Xueli Shen, Zhenxing Liang, Shiyin Li, Yanji Jiang

“…The paper presents a feature extraction method that we use interchannel attention mechanism frame by frame for learning spatial features directly from the multichannel speech waveforms. The spatial features of the individual signals learned through the proposed method are provided as an input so that the two-stage BiLSTM network is trained to perform adaptive spatial filtering as time-domain filters spanning signal channels. …”
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Dual-Polarized Planar Phased Array Analysis for Meteorological Applications by Chen Pang, Peter Hoogeboom, François Le Chevalier, Herman W. J. Russchenberg, Jian Dong, Tao Wang, Xuesong Wang

“…As the STSR mode with orthogonal waveforms is similar to the ATSR mode, the analysis is mainly focused on the ATSR mode and the impacts of the bias sources on the measurement of polarimetric variables are investigated through Monte Carlo simulations. …”
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Performance Analysis of Ultra-Wideband Channel for Short-Range Monopulse Radar at Ka-Band by Naohiko Iwakiri, Natsuki Hashimoto, Takehiko Kobayashi

“…Performance degradation due to a number of averaging the received monopulses was also examined to design suitable radar's waveforms.…”
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Probabilistic Multiple Pedestrian Walking Force Model including Pedestrian Inter- and Intrasubject Variabilities by Zandy O. Muhammad, Paul Reynolds

“…A probabilistic walking load model that accounts for inter- and intrasubject variabilities has been developed to generate synthetic vertical load waveforms induced by pedestrians. The mathematical model is based on a comprehensive database of continuously recorded pedestrian walking forces on an instrumented treadmill, having a wide range of walking frequencies. …”
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Speech Recognition System Based on Machine Learning in Persian Language by Shahed Mohammadi, Niloufar Hemati, Neda Mohammadi

“…Both datasets were converted into images of audio waveforms. Using the object detection technique, the model could extract different bounding boxes for each test audio, and then each box image goes through a CNN classifier and returns a corresponding label. …”
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SAGE-Based Algorithm for Direction-of-Arrival Estimation and Array Calibration by Kunlai Xiong, Zheng Liu, Wenli Jiang

“…To mitigate this problem, a novel method for direction-of-arrival (DOA) estimation and array calibration in the case of deterministic signals with unknown waveforms is presented in this paper. The analysis begins with a comprehensive perturbed array output model, and it is effective for various kinds of perturbations, such as mutual coupling and sensor location error. …”
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Nonlinear Dynamic Analysis of Macrofiber Composites Laminated Shells by Xiangying Guo, Dameng Liu, Wei Zhang, Lin Sun, Shuping Chen

“…Bifurcation diagram, two-dimensional and three-dimensional phase portraits, waveforms phases, and Poincare diagrams are shown to find different kinds of periodic and chaotic motions of MFC shells. …”
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Ruptured Median Raphe Cyst Mimicking a Vascular Penile Mass on Ultrasound by Amir Pakray, Andrew Surro, Donald Gibson, Ahmad Tahawi

“…Doppler ultrasound examination demonstrated a solid vascular mass measuring up to 1.6 cm at the ventral aspect of the penis with arterial and venous waveforms. The patient underwent elective resection of the mass which revealed a 2.0 cm inflamed glandular subtype median raphe cyst. …”
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Virtual Antenna Array Analysis for MIMO Synthetic Aperture Radars by Wen-Qin Wang

“…Multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) that employs multiple antennas to transmit orthogonal waveforms and multiple antennas to receive radar echoes is a recently proposed remote sensing concept. …”
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Resonant Frequency Calculation and Optimal Design of Peano Fractal Antenna for Partial Discharge Detection by Jian Li, Changkui Cheng, Lianwei Bao, Tianyan Jiang

“…The experimental results show that Peano fractal antenna is qualified for PD online UHF monitoring and a little more suitable than the Hilbert fractal antenna for pattern recognition by analyzing the waveforms of detected UHF PD signals.…”
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Research on the Interference Effects of 5G’s Key Parameters on Radio Altimeters by Jie Bai, Shun Yuan, Zhaobin Duan

“…In this paper, the interference magnitude of 5G waveforms on an altimeter was measured by simulating the Adjacent Channel Leakage Power Ratio (ACLR) values for different sub-carrier spacing (SCS) and channel bandwidth configurations. …”
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Power Load Event Detection and Classification Based on Edge Symbol Analysis and Support Vector Machine by Lei Jiang, Jiaming Li, Suhuai Luo, Sam West, Glenn Platt

“…By turn-on and turn-off transient waveforms analysis, it can accurately detect the edge point when a device is switched on or switched off. …”
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