Chaotic Spread-Spectrum Communication: A Comparative Study between Chaotic Synchronization and Matched Filtering by Arturs Aboltins, Andreas Ahrens, Nikolajs Tihomorskis

“…As a supplementary finding, we show that in systems with matched filter-based demodulation, discrete-time quantized spreading sequences confer an advantage over analogous, continuous-time spreading waveforms.…”
Get full text

Nonlinear Dynamics of the High-Speed Rotating Plate by Minghui Yao, Li Ma, Wei Zhang

“…Bifurcation diagram, phase portraits, waveforms and power spectrum prove that periodic motion and chaotic motion exist in nonlinear vibration of the rotating cantilever composite plate.…”
Get full text

Vibration Characteristics of Underground Structure and Surrounding Soil Underneath High Speed Railway Based on Field Vibration Tests by Biao Zhou, Fengshou Zhang, Xiongyao Xie

“…The combined NExT (Natural Excitation Technique) and HHT (Hilbert–Huang Transform) method are thus used to study the waveforms and propagation velocities of vibration waves in underground structure and surrounding soil. …”
Get full text

Estimation of Blood Pressure by Image-Free, Wearable Ultrasound by Ana Belen Amado Rey

“…Moreover, as the BP waveforms are amplified toward the periphery (i.e., from the aorta to the radial artery), we applied mathematical models and algorithms, specific to the site of measurement, to accurately extract BP. …”
Get full text

A Scalable Isolated Gate Driver With Programmable Frequency and Duty Cycle for Series-Connected SiC MOSFETs by Sohrab Ghafoor, Mahesh Kulkarni, Reza Mirzadarani, Peter Vaessen, Mohamad Ghaffarian Niasar

“…To generate complex waveforms of future power-electronics-dominated grids, a switch with user-defined turn-<sc>on&#x002F;off</sc> timing is required for testing grid assets under high-voltage conditions. …”
Get full text

Carbody sway behaviour of railway vehicles due to track irregularity from rail alternate side wear by Lai Wei, Jing Zeng, Ren Luo, Feng Gan, Jijun Gong, Jun Jiang

“…Abstract Track irregularity from rail alternate side wear is manifested as uneven rail wear waveforms alternating in the left and right rails with equal intervals, which will cause carbody sway behaviour of railway vehicles and greatly influences the passenger comfort. …”
Get full text

Frequency Modulation and Spatiotemporal Stability of the sCPG in Preterm Infants with RDS by Steven M. Barlow, Mimi Burch, Lalit Venkatesan, Meredith Harold, Emily Zimmerman

“…Digitized samples of NNS compression pressure waveforms recorded at a 1-week interval were collected 15 minutes prior to a scheduled feed. …”
Get full text

Acoustic Emission Characteristics and Energy Evolution of Red Sandstone Samples under Cyclic Loading and Unloading by Tianzuo Wang, Chunli Wang, Fei Xue, Linxiang Wang, Beyene Hana Teshome, Mengya Xue

“…Based on AE signals, the cracking mode classification was analyzed on the basis of the average frequency and the rise angle of the waveforms. It was observed that the Felicity ratio gradually decreased with the increase in the stress level, which showed a cumulative damage effect. …”
Get full text

Capacitance Measurements of Exocytosis From AII Amacrine Cells in Retinal Slices by Espen Hartveit, Margaret Veruki

“…This protocol includes procedures for measuring depolarization-evoked exocytosis, using both standard square-wave pulses, arbitrary stimulus waveforms, and synaptic input.…”
Get full text

Near-Field Ground Motion Modal versus Wave Propagation Analysis by Artur Cichowicz

“…Strong pulse-type motions are observed in the near-source region of large earthquakes; however, there is a lack of waveforms collected from small earthquakes at very close distances that were recorded underground in mines. …”
Get full text

Electric Signals on and under the Ground Surface Induced by Seismic Waves by Akihiro Takeuchi, Kan Okubo, Nobunao Takeuchi

“…Electrical signals of an earthquake (M6.3) in northeastern Japan were detected simultaneously with seismic waves. Their waveforms were damped oscillations, with greatly differing signal amplitudes among sites. …”
Get full text

Lithium Battery Degradation and Failure Mechanisms: A State-of-the-Art Review by Joselyn Stephane Menye, Mamadou-Baïlo Camara, Brayima Dakyo

“…Some degradations are due to the temperature and the current waveforms. Then, the importance of thermal management and current management is emphasized throughout the paper. …”
Get full text

GR-Athena++: General-relativistic Magnetohydrodynamics Simulations of Neutron Star Spacetimes by William Cook, Boris Daszuta, Jacob Fields, Peter Hammond, Simone Albanesi, Francesco Zappa, Sebastiano Bernuzzi, David Radice

“…For binaries, we demonstrate correctness of the evolution under the gravitational radiation reaction and show convergence of gravitational waveforms. We showcase the use of adaptive mesh refinement to resolve the Kelvin–Helmholtz instability at the collisional interface in a merger of magnetised binary neutron stars. …”
Get full text

Diabetic Gait Is Not Just Slow Gait: Gait Compensations in Diabetic Neuropathy by Adrienne D. Henderson, A. Wayne Johnson, Sarah T. Ridge, Jonathan S. Egbert, Kevin P. Curtis, Levi J. Berry, Dustin A. Bruening

“…A full-body model with a multisegment foot was used to calculate inverse dynamics and analyze sagittal plane metrics and time series waveforms across stance phase. Results. Alterations included increased hip and knee flexion in early stance followed by a prolonged hip extension moment in midstance. …”
Get full text

Event-Related Potentials Elicited by Face and Face Pareidolia in Parkinson’s Disease by Gulsum Akdeniz, Gonul Vural, Sadiye Gumusyayla, Hesna Bektas, Orhan Deniz

“…Parkinson’s patients experience pareidolic illusions. N170 and N250 waveforms are two event-related potentials (ERPs) involved in emotional facial expression recognition. …”
Get full text

Nonharmonic Control of the Blade-Vortex Interaction Noise of Electrically Controlled Rotor by Kewei Li, Taoyong Su, Yang Lu, Qijun Zhao

“…According to the mechanism of the BVI in electrically controlled rotors, the second quadrant flap nonharmonic control is used to reduce the advancing side BVI noise, and the effects of different control waveforms and amplitudes on the peak value and directivity of the BVI noise of the sample electrically controlled rotors are analyzed to reveal the noise reduction mechanism of flap nonharmonic control. …”
Get full text

Unraveling Cochlear Dynamics: The Effect of Clicks, Tone Burst Frequencies, Polarity, and Stimulus Rates on Cochlear Microphonics in Individuals with Normal Hearing by Prajwal Kumar Eranna, Gowtham Varma, Animesh Barman

“…Amplitude and latency were measured from the recorded waveforms and compared across and between stimulus conditions. …”
Get full text

Scutellarin Prevents Angiogenesis in Diabetic Retinopathy by Downregulating VEGF/ERK/FAK/Src Pathway Signaling by Lingli Long, Yubin Li, Shuang Yu, Xiang Li, Yue Hu, Tengfei Long, Liqin Wang, Wenwen Li, Xiaoxin Ye, Zunfu Ke, Haipeng Xiao

“…A streptozotocin-induced type II diabetic rat model was established to measure the effects of oral administration of SCU on protecting retinal microvascular dysfunction by Doppler waveforms and HE staining. We further used western blot, luciferase reporter assay, and immunofluorescence staining to study the antiangiogenic mechanism of SCU. …”
Get full text

End-to-end neural automatic speech recognition system for low resource languages by Sami Dhahbi, Nasir Saleem, Sami Bourouis, Mouhebeddine Berrima, Elena Verdú

“…This study leverages a non-autoregressive neural text-to-speech (TTS) engine to generate high-quality speech, converting a series of phonemes into speech waveforms (mel-spectrograms). An on-the-fly data augmentation method is applied to these mel-spectrograms, treating them as images from which features are extracted to train a convolutional neural network (CNN) and a bidirectional long short-term memory (BLSTM)-based ASR. …”
Get full text

Intelligent Turning Tool Monitoring with Neural Network Adaptive Learning by Maohua Du, Peixin Wang, Junhua Wang, Zheng Cheng, Shensong Wang

“…Based on LabVIEW and MATLAB hybrid programming, the waveforms of signals are observed and the significant characteristics of signals are extracted through the time-frequency domain analysis and then the calculation of the energy proportion of each frequency band obtained using 4 levels of wavelet packet decompositions of the vibration signal as well as 8 levels of wavelet multiresolution decompositions of the AE signal; the ensuing Relief-F algorithm is used to further reextract the features that are most relevant to the tool state as input of neural network pattern recognition. …”
Get full text