Prevalence and Temporal Distribution of Extrasystoles in Septic ICU Patients: The Feasibility of Predicting Fluid Responsiveness Using Extrasystoles by Johannes Enevoldsen, Cristhian Potes, Minnan Xu-Wilson, Simon T. Vistisen

“…Twenty-four-hour ECG recordings from a convenience sample of 50 patients diagnosed with sepsis were extracted from the MIMIC-II waveform database, and ECGs were visually examined for correct QRS complex detection. …”
Get full text

Pretraining Enhanced RNN Transducer by Junyu Lu, Rongzhong Lian, Di Jiang, Yuanfeng Song, Zhiyang Su, Victor Junqiu Wei, Lin Yang

“…First, we construct the input of the acoustic encoder with two different latent representations: one extracted by PAE from the raw waveform, and the other obtained from filter-bank transformation. …”
Get full text

DHCT-GAN: Improving EEG Signal Quality with a Dual-Branch Hybrid CNN–Transformer Network by Yinan Cai, Zhao Meng, Dian Huang

“…We evaluated DHCT-GAN’s performance through waveform analysis, power spectral density (PSD) analysis, and six performance metrics. …”
Get full text

Intelligent Time-Domain Parameters Matching for Shock Response Spectrum and Its Experimental Validation in Active Vibration Control Systems by Jinxin Liu, Liangdong Yang, Xingwu Zhang, Ruqiang Yan, Xuefeng Chen

“…However, for a certain SRS, neither an analytical nor a unique inverse time-domain shock waveform (TSW) exists, making the SRS test a very challenging problem. …”
Get full text

Interrelationships between Acoustic Emission and Cutting Force in Rock Cutting by Sifei Liu, Peng Shi, Zhijun Wan, Shuaifeng Lu, Jiakun Lv, Fanfei Meng

“…In addition, the acoustic emission waveform at the peak cutting force of the same kind of coal has the same main frequency, power spectrum density (PSD) variation law, and the area under PSD curve; for different types of coal, the area under PSD curve at peak cutting force increases with the increase of USC. …”
Get full text

An FPGA-Based Adaptable 200 MHz Bandwidth Channel Sounder for Wireless Communication Channel Characterisation by David L. Ndzi, Kenneth Stuart, Somboon Toautachone, Yanyan Yang, Victor Dunn

“…The application of FPGA allows the user to vary the number of real-time channel response averages, channel sampling interval, and duration of measurement. The waveform, bandwidth, and frequency resolution of the sounder can be adapted for any channel under investigation. …”
Get full text

Parallelized Field-Programmable Gate Array Data Processing for High-Throughput Pulsed-Radar Systems by Aaron D. Pitcher, Mihail Georgiev, Natalia K. Nikolova, Nicola Nicolici

“…The radar system achieves a remarkable speed of over 9000 waveforms per second on each channel. The proposed architecture is scalable to accommodate higher sampling rates and various waveform periods. …”
Get full text

A 0.002‐mm2 8‐bit 1‐MS/s low‐power time‐based DAC (T‐DAC) by Ali H. Hassan, Hassan Mostafa, Mohamed Refky, Khaled N. Salama, Ahmed M. Soliman

“…Power optimization is achieved by controlling the supply voltage of the TVC circuit with a discontinuous waveform using a low bias current. Moreover, the implementation area is optimized by proposing a new DAC architecture with a coarse‐fine DTC circuit. …”
Get full text

Wireless Secure Communication Based on Code Domain Space-Time Modulated Metasurface by Xinyu Fang, Xuezhi Zheng, Mengmeng Li, Zhiyu Li, Dazhi Ding

“…The core concept involves synthesizing a smart modulation waveform by using a new code domain so that both secure information transmission and mitigation of jamming are realized. …”
Get full text

Focus Energy Determination of Mining Microseisms Using Residual Seismic Wave Attenuation in Deep Coal Mining by Mingwei Zhang, Shengdong Liu, Shuzhao Chen, Yanlong Chen, Guang Xu, Deyu Qian

“…The developed focus energy computation method is closely dependent on the integrity of waveform, accuracy of repositioning, and reliability of effective components extraction. …”
Get full text

Productivity enhancement of continuous miners packages of underground mines with energy conservation in industrial sectors by Mohd Ahtesham Hussain Siddiqui, Somnath Chattopadhyaya, Shubham Sharma, Changhe Li, Yanbin Zhang, Abhinav Kumar, Dražan Kozak, Mohamed Abbas, Jasmina Lozanovic

“…., involve tests for voltage, current, power factor, harmonics and AC waveform. Thermal imaging is employed to analyze the operational temperature of the electrical equipment. …”
Get full text

Research on variable bus voltage control algorithm of axial flux stator coreless permanent magnet motor by Xiaoguang WANG, Yifan ZHOU, Mengkai CHEN, Yahong CHEN

“…The simulation and experimental results show that the optimal voltage algorithm and variable bus voltage control strategy proposed can significantly improve the current waveform, effectively reduce the fluctuation and peak value of stator current, and provide strong support for the performance optimization of axial flux stator coreless permanent magnet motor.…”
Get full text

Exploring the Effects of Tomatidine ((3β, 5α, 22β, and 25β)-Spirosolan-3-ol) on Voltage-gated Na+ currents: Insights Into Its Ionic Mechanisms of Action on Current Magnitude, Gatin... by Tso-Lin Lin, Edmund Cheung So, Sheng-Nan Wu

“…Tomatidine increased the amplitude of persistent Na+ current in response to a sinusoidal waveform. In neuro-2a cells, tomatidine increased INa (T) amplitude and slowed its inactivation, with this effect being attenuated by Ran or CBZ. …”
Get full text

Simulation and Experimental Study of Arc Model in a Low-Voltage Distribution Network by Binbin Zhang, Jiaqing Zhang, Yifeng Cheng, Qixu Chen, Qian Zhang

“…The simulation results showed that arc dissipation power directly determined arc voltage amplitude, arc time constant influenced arc voltage waveform, and arc current was mainly determined by load resistance. …”
Get full text

Synoptic Analysis of Early Heat Waves in Northwest of Iran by Mahmoud Hooshyar, behrouz sobhani, nader parvin

“…Five types of pre-heat generation waveform patterns were identified. The results of this study showed that the premature heat waves in the northwest of Iran are due to high altitude formation in southern Arabia, the Aden valley and the center of Sudan at a level of 500 hpa and the formation of Sudan's low pressure in the sea level and the discharge of its tabs to the north and northeast of the region The case study (Northwest of Iran) also includes events occurring.…”
Get full text

Maximizing information in neuron populations for neuromorphic spike encoding by Ahmad El Ferdaoussi, Eric Plourde, Jean Rouat

“…Two applications are presented: blood pressure pulse wave classification, and neural action potential waveform classification. In both tasks, the data is encoded into spikes and the encoding parameters of the neuron populations are tuned to maximize the encoded information using the proposed algorithm. …”
Get full text

Marked point process variational autoencoder with applications to unsorted spiking activities. by Ryohei Shibue, Tomoharu Iwata

“…Spike train models based on such processes use the waveform features of spikes as marks and express the generative structure of the unsorted spikes without applying spike sorting. …”
Get full text

Role of pattern and multifocal electroretinogram for macular evaluation in patients with multiple sclerosis treated with fingolimod by Randa H. Abdelgawad, Yasmine Z. Abdel Wadood, Mohamed Y.S. Seif, Mahmoud A. Sultan, Dina A. Zamzam, Safaa A.M. Aboud

“…Central macular thickness showed nonsignificant change. PERG waveform abnormalities were detected in 2.5% of patients at third month (P=0.9) and 27.5% in sixth month (P<0.001). …”
Get full text

Resistive pulse sensing of pre-nucleation activities during single-entity lysozyme crystallization on single nanopipettes by Yusuff Balogun, Ruoyu Yang, Gangli Wang

“…By controlling localized supersaturation and phase transition at a nanopore through adjusting the potential waveform, a single protein crystal can be grown. Our focus is on understanding the translocation and/or transformation of protein aggregates through nanopores prior to the irreversible nucleation. …”
Get full text

DIGITAL FILTERS IMPLEMENTATION IN MICROPROCESSOR-BASED RELAY PROTECTION by Yu. V. Rumiantsev, F. A. Romaniuk, V. Yu. Rumiantsev, I. V. Novash

“…It has been shown that in order to reliable estimate the digital filter performance its input signals waveforms must be close to the actual secondary current waveform of the current transformer to which the digital protection with the estimated digital filter is connected. …”
Get full text