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In this work, we propose a novel method for calibrating Windkessel (WK) parameters in a dimensionally reduced 1D-0D coupled blood flow model. To this end, we design a data-driven neural network (NN)trained on simulated blood pressures in…

Tissues and Organs · Quantitative Biology 2025-09-29 Benedikt Hoock , Tobias Köppl

We present the constructon and detailed analysis of highly-optimized self-refocusing pulse shapes for several rotation angles. We characterize the constructed pulses by the coefficients appearing in the Magnus expansion up to second order.…

Quantum Physics · Physics 2009-11-13 Leonid P. Pryadko , Pinaki Sengupta

With the high-order harmonic generation (HHG) from plasma sur- faces it is possible to turn a laser pulse into a train of attosecond or even zeptosecond pulses in the backward radiation. These attosecond pulses may have amplitude several…

Plasma Physics · Physics 2016-11-03 Mykyta Cherednychek , Alexander Pukhov

The traditional method to generate pulses in the range of some nanoseconds with high amplitudes, is the using of the avalanche-effect of transistors. However the problem with this method is the poor possibility for parameterizing. That was…

Instrumentation and Detectors · Physics 2013-12-03 Franz Peter Zantis

Electromagnetic pulses with tilted pulse fronts are instrumental in enhancing the efficiency of many light-matter interaction processes, with prominent examples including terahertz generation by optical rectification, dielectric laser…

Optics · Physics 2019-03-05 Liang Jie Wong , Ido Kaminer

We present a novel procedure for manipulating the near-field of plasmonic nanoantennas using neural network-controlled laser pulse-shaping. As model systems we numerically studied the spatial distribution of the second harmonic response of…

Optics · Physics 2018-12-26 Alberto Comin , Achim Hartschuh

The paper describes the design of band selective excitation and rotation pulses in high resolution NMR by method of double sweep. We first show the design of a pulse sequence that produces band selective excitation to the equator of Bloch…

Quantum Physics · Physics 2017-01-13 Navin Khaneja

This letter proposes a targeted-subharmonic-eliminating pulse density modulation (PDM) method for series-series (SS) compensated wireless power transfer (WPT) systems. The subharmonic frequency components which excite current abnormal…

Systems and Control · Electrical Eng. & Systems 2025-12-01 Songyan Li , Hongchang Li , Haiyue Jiang , Yudong Zhang , Wenjie Chen , Xu Yang

Any ultrafast optical spectroscopy experiment is usually accompanied by the necessary routine of ultrashort-pulse characterisation. The majority of pulse characterisation approaches solve either a one-dimensional (e.g. via interferometry)…

Optics · Physics 2024-01-30 Pavel V. Kolesnichenko , Donatas Zigmantas

Multiphoton resonances demonstrate the physical significance of counter-rotating wave terms in light-matter interactions. These resonances, however, are sensitive to detuning errors, making the phenomena challenging to experimentally…

Quantum Physics · Physics 2026-03-11 Hao-Lin Zhong , Ke-Xiong Yan , Yi-Ming Yu , Shao-Wei Xu , Zhi-Cheng Shi , Ye-Hong Chen , Yan Xia

Sub-band models have achieved promising results due to their ability to model local patterns in the spectrogram. Some studies further improve the performance by fusing sub-band and full-band information. However, the structure for the…

Sound · Computer Science 2022-01-26 Feng Dang , Hangting Chen , Pengyuan Zhang

Next-generation high-speed passive optical network (HS-PON) transceivers supporting 25, 50 and 100 Gb/s are under the early stage of their standardization process. One key aspect of this process is the choice of the best modulation format.…

Signal Processing · Electrical Eng. & Systems 2019-04-15 Pablo Torres-Ferrera , Valter Ferrero , Maurizio Valvo , Roberto Gaudino

We have analyzed the transmission properties of pulses through one-dimensional periodic structures in order to systematically explore the best conditions to achieve the maximum delay with the minimum possible distortion. In the absence of…

Optics · Physics 2015-06-03 O. del Barco , M. Ortuño

The ability to control the spatial distribution of light, particularly in deep sub-wavelength areas, is important for a range of materials science, microscopy, and communications applications. Separately, materials science and…

Optics · Physics 2025-10-17 Jacob LaMountain , Amogh Raju , Dan Wasserman , Viktor A. Podolskiy

In this companion paper to our study of amplification of wavetrains, we study weakly stable semilinear hyperbolic boundary value problems with pulse data. Here weak stability means that exponentially growing modes are absent, but the…

Analysis of PDEs · Mathematics 2013-09-02 Jean-Francois Coulombel , Mark Williams

We consider the problem of classifying radar pulses given raw I/Q waveforms in the presence of noise and absence of synchronization. We also consider the problem of classifying multiple superimposed radar pulses. For both, we design deep…

Machine Learning · Computer Science 2021-12-06 Michael Wharton , Anne M. Pavy , Philip Schniter

Orthogonal time-frequency space (OTFS) modulation is a recently proposed waveform for efficient data transfer in high-speed vehicular scenarios. The use of rectangular pulse shape in OTFS results in high out of band (OoB) radiation, which…

Information Theory · Computer Science 2019-10-24 Shashank Tiwari , Suvra Sekhar Das

Non-deterministic quantum noiseless linear amplifiers are a new technology with interest in both fundamental understanding and new applications. With a noiseless linear amplifier it is possible to perform tasks such as improving the…

Quantum Physics · Physics 2014-03-05 N. A. McMahon , A. P. Lund , T. C. Ralph

Noise aids the encoding of continuous signals into pulse sequences by way of stochastic resonance and endows the encoding device with a preferred frequency. We study encoding by a threshold device based on the Ornstein-Uhlenbeck process,…

Biological Physics · Physics 2007-05-23 Hans E. Plesser , Theo Geisel

In ultra-dense small cell networks, spatial multiplexing gain is a challenge because of the different propagation conditions. The channels associated with different transmitreceive pairs can be highly correlated due to the i) high…

Information Theory · Computer Science 2016-11-08 Amir H. Jafari , Vijay Venkateswaran , David Lopez-Perez , Jie Zhang