English
Related papers

Related papers: Design of Pulse Shapes Based on Sampling with Gaus…

200 papers

In this article, three new inter-symbol interference (ISI)-free pulses with enhanced performance compared to the state-of-the-art are proposed and studied in terms of frequency and time domain characteristics. They are based on inverse…

Signal Processing · Electrical Eng. & Systems 2020-10-28 Songbing Liang , Stylianos D. Assimonis

This paper presents a three-dimensional (3-D) and spatio-temporal dependent nonlinear wave model to explain the generation of pulsed Gaussian Second Harmonic Waves (SHW). We solve numerically three coupled equations describing the type II…

We analytically study the linear propagation of arbitrarily shaped light-pulses through an absorbing medium with a narrow transparency-window or through a resonant amplifying medium. We point out that, under certain general conditions, the…

Optics · Physics 2012-09-14 Bruno Macke , Bernard Ségard

We introduce a filter-construction method for pulse processing that differs in two respects from that in standard optimal filtering, in which the average pulse shape and noise-power spectral density are combined to create a convolution…

Data Analysis, Statistics and Probability · Physics 2012-12-11 B. K. Alpert , R. D. Horansky , D. A. Bennett , W. B. Doriese , J. W. Fowler , A. S. Hoover , M. W. Rabin , J. N. Ullom

Zak-OTFS provides a framework for integrated sensing & communication (ISAC) in high delay and Doppler spread environments. Pulse shaping filter design enables joint optimization of sensing and communication performance. For sensing, a…

Signal Processing · Electrical Eng. & Systems 2026-01-16 Nishant Mehrotra , Sandesh Rao Mattu , Robert Calderbank

We give a new numerical model of pulsar pulse radiation through the interstellar medium (ISM) considering the propagation effects. It explains the deficit of a scattering measure at the decameter range of frequencies that leads to the…

Astrophysics of Galaxies · Physics 2015-06-11 O. M. Ulyanov , A. A. Seredkina , A. I. Shevtsova

We experimentally demonstrate temporal reshaping of optical waveforms in the telecom wavelength band using the principle of quantum frequency conversion. The reshaped optical pulses do not undergo any wavelength translation. The interaction…

Quantum Physics · Physics 2017-02-28 Paritosh Manurkar , Nitin Jain , Prem Kumar , Gregory S. Kanter

A double-Gaussian model and the Schmidt modes are found for the biphoton wave function characterizing spontaneous parametric down-conversion with the degenerate collinear phase-matching of the type I and with a pulsed pump. The obtained…

Quantum Physics · Physics 2015-05-13 M. V. Fedorov , Yu. M. Mikhailova , P. A. Volkov

The next generation of cosmology space missions will be sensitive to parasitic signals arising from cosmic rays. Using a composite bolometer, we have investigated pulses produced by $\alpha$ particles in order to understand the movement of…

Instrumentation and Methods for Astrophysics · Physics 2018-07-26 S. L. Stever , F. Couchot , N. Coron , R. M. J. Janssen , B. Maffei

The shapes of pulse profiles, especially their variations with respect to observing frequencies, are very important to understand emission mechanisms of pulsars, while no previous attempt has been made in interpreting the complicated…

Astrophysics · Physics 2009-11-07 G. J. Qiao , J. F. Liu , B. Zhang , J. L. Han

A method of formation of the tightly confined distortion-free fs pulses with the step-like decreasing of intensity under the finite-length propagation in free space is described. Such pulses are formed by the Fresnel source of a high…

Optics · Physics 2007-05-23 G. Nyitray , S. V. Kukhlevsky

Non-linear interactions during inflation generate non-Gaussianities in the distribution of primordial curvature. In many theories, the physics is scale-invariant, such that the induced three-point function depends solely on a dimensionless…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-27 Oliver H. E. Philcox

We experimentally demonstrate the generation of a temporal pulse doublet from the propagation of an initial super-Gaussian waveform in a nonlinear focusing medium. The picosecond structures are characterized both in amplitude and phase and…

Optics · Physics 2020-02-19 Christophe Finot

A new Bayesian method for the analysis of folded pulsar timing data is presented that allows for the simultaneous evaluation of evolution in the pulse profile in either frequency or time, along with the timing model and additional…

Instrumentation and Methods for Astrophysics · Physics 2015-01-09 L Lentati , P. Alexander , M. P. Hobson

A pulse generation scheme is proposed based on a structured resonance in a cavity where the non-conventional energy distribution is concentrated in its middle part. The cavity is first used as an oscillator during the energy charging step…

Applied Physics · Physics 2022-06-29 Dmitry Oshmarin , Alireza Nikzamir , Michael M. Green , Filippo Capolino

We consider minimal-rate sampling schemes for infinite streams of delayed and weighted versions of a known pulse shape. The minimal sampling rate for these parametric signals is referred to as the rate of innovation and is equal to the…

Information Theory · Computer Science 2015-05-18 Kfir Gedalyahu , Ronen Tur , Yonina C. Eldar

In radar sensing, the self-ambiguity function of the probing waveform plays a crucial role in the resolvability and detection of multiple targets. In the recent Zak-OTFS based radar literature, Gaussian pulse shaping filter has been…

Information Theory · Computer Science 2026-05-29 Abhishek Bairwa , Ananthanarayanan Chockalingam

Theory was formulated for scattering by a coated chiral sphere of a plane wave of arbitrary polarization state with amplitude modulated by a Gaussian pulse. The spherical core and the concentric shell of the sphere were composed of two…

Optics · Physics 2026-04-24 Hector M. Iga-Buitron , Tom G. Mackay , Akhlesh Lakhtakia

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

A pulse shaping algorithm for a matter wave with the purpose of controlling a binary reaction has been designed. The scheme is illustrated for an Eley-Rideal reaction where an impinging matter-wave atom recombines with an adsorbed atom on a…

Quantum Physics · Physics 2009-11-10 Solvejg Jorgensen , Ronnie Kosloff
‹ Prev 1 2 3 10 Next ›