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The number of artificial intelligence algorithms for learning causal models from data is growing rapidly. Most ``causal discovery'' or ``causal structure learning'' algorithms are primarily validated through simulation studies. However, no…

Methodology · Statistics 2024-05-24 Bryan Andrews , Erich Kummerfeld

We present a software package, IDA, which can easily handle two-dimensional spectroscopy data. IDA has been written in IDL and offers a window-based interface. The available tools can visualize a recovered image from spectra at any desired…

Instrumentation and Methods for Astrophysics · Physics 2016-06-27 B. Garcia Lorenzo , J. A. Acosta Pulido , E. Megias

This work addresses data-driven inverse optimization (IO), where the goal is to estimate unknown parameters in an optimization model from observed decisions that can be assumed to be optimal or near-optimal solutions to the optimization…

Optimization and Control · Mathematics 2024-05-29 Yen-An Lu , Wei-Shou Hu , Joel A. Paulson , Qi Zhang

A neural network is essentially a high-dimensional complex mapping model by adjusting network weights for feature fitting. However, the spectral bias in network training leads to unbearable training epochs for fitting the high-frequency…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Zhi Zeng , Pengpeng Shi , Fulei Ma , Peihan Qi

SMART is a software package written in IDL to reduce and analyze Spitzer data from all four modules of the Infrared Spectrograph, including the peak-up arrays. The software is designed to make full use of the ancillary files generated in…

Direct imaging and spectral characterization of exoplanets using extreme adaptive optics (ExAO) is a key science goal of future extremely large telescopes and space observatories. However, quasi-static wavefront errors will limit the…

Instrumentation and Methods for Astrophysics · Physics 2018-08-29 Benjamin L. Gerard , Christian Marois , Raphaël Galicher

We introduce Yao, an extensible, efficient open-source framework for quantum algorithm design. Yao features generic and differentiable programming of quantum circuits. It achieves state-of-the-art performance in simulating small to…

Quantum Physics · Physics 2020-10-14 Xiu-Zhe Luo , Jin-Guo Liu , Pan Zhang , Lei Wang

High redshift measurements of the baryonic acoustic oscillation scale (BAO) from large Ly-alpha forest surveys represent the next frontier of dark energy studies. As part of this effort, efficient simulations of the BAO signature from the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Bradley Greig , James S. Bolton , J. Stuart B. Wyithe

We develop an open source software "GDoeSII" for the simulation of Fresnel (near field) and Fraunhofer (far field) diffraction integrals of diffractive optical elements (DOE). It can compute the intensity distributions at a desired plane…

Computational Physics · Physics 2019-03-21 Raghu Dharmavarapu , Shanti Bhattacharya , Saulius Juodkazis

The DOA estimation method of coherent signals based on periodical coding metasurface is proposed. After periodical coding, the DOA information of incident signals in the time domain is represented as the amplitude and phase information at…

Signal Processing · Electrical Eng. & Systems 2023-12-06 Yishuo Zhao , Yan Hu , Yougen Xu

Despite the huge spread and economical importance of configurable software systems, there is unsatisfactory support in utilizing the full potential of these systems with respect to finding performance-optimal configurations. Prior work on…

Software Engineering · Computer Science 2017-09-19 Vivek Nair , Tim Menzies , Norbert Siegmund , Sven Apel

Reliable 4D object detection, which refers to 3D object detection in streaming video, is crucial for perceiving and understanding the real world. Existing open-set 4D object detection methods typically make predictions on a frame-by-frame…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Jiawei Hou , Shenghao Zhang , Can Wang , Zheng Gu , Yonggen Ling , Taiping Zeng , Xiangyang Xue , Jingbo Zhang

Spectroscopy is a well-established nonintrusive tool that has played an important role in identifying substances and quantifying their compositions, from quantum descriptions to chemical and biomedical diagnostics. Challenges exist in…

Atmospheric and Oceanic Physics · Physics 2020-12-02 S. Yu , Z. Zhang , H. Xia , X. Dou , M. Li , T. Wei , L. Wang , P. Jiang , Y. Wu , C. Zhang , L. You , Y. Hu , T. Wu , L. Zhao , M. Shangguan , L. Tao , J. Qiu

(Abridged) To this purpose, in the course of the thesis work we prepared a suitable software in order to use the same spectra acquired for radial velocity determinations (i.e., with the spectrum of the Iodine cell imprinted on) to measure…

Astrophysics · Physics 2009-05-07 A. F. Martinez Fiorenzano

The upcoming space missions that will characterize exoplanets, such as PLATO and Ariel, will collect huge amounts of data that will need to be complemented with ground-based observations. The aim of the PLATOSpec project is to perform…

The DRAO Synthesis Telescope (ST) is a forefront telescope for imaging large-scale neutral hydrogen and polarized radio continuum emission at arcminute resolution. Equipped for observations at 1420 and 408 MHz, the ST completed the Canadian…

Instrumentation and Methods for Astrophysics · Physics 2020-05-20 T. L. Landecker , L. Belostotski , J. C. Brown , B. R. Carlson , X. Du , T. Foster , A. S. Hill , T. Johnson , R. Kothes , M. Rupen , S. Safi-Harb , K. Vanderlinde , B. G. Veidt , J. L. West

The advent of next-generation imaging telescopes such as LSST and Pan-STARRS has revitalized the need for deep and precise reference frames. The proposed weak-lensing observations with these facilities put the highest demands on image…

Astrophysics · Physics 2016-08-30 I. Platais , R. F. G. Wyse , N. Zacharias

The 4MOST consortium is currently halfway through a Conceptual Design study for ESO with the aim to develop a wide-field (>3 square degree, goal >5 square degree), high-multiplex (>1500 fibres, goal 3000 fibres) spectroscopic survey…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Roelof S. de Jong , Olga Bellido-Tirado , Cristina Chiappini , Éric Depagne , Roger Haynes , Diane Johl , Olivier Schnurr , Axel Schwope , Jakob Walcher , Frank Dionies , Dionne Haynes , Andreas Kelz , Francisco S. Kitaura , Georg Lamer , Ivan Minchev , Volker Müller , Sebastián E. Nuza , Jean-Christophe Olaya , Tilmann Piffl , Emil Popow , Matthias Steinmetz , Uğur Ural , Mary Williams , Roland Winkler , Lutz Wisotzki , Wolfgang R. Ansorgb , Manda Banerji , Eduardo Gonzalez Solares , Mike Irwin , Robert C. Kennicutt , David King , Richard McMahon , Sergey Koposov , Ian R. Parry , Nicholas A. Walton , Gert Finger , Olaf Iwert , Mirko Krumpe , Jean-Louis Lizon , Mainieri Vincenzo , Jean-Philippe Amans , Piercarlo Bonifacio , Mathieu Cohen , Patrick Francois , Pascal Jagourel , Shan B. Mignot , Frédéric Royer , Paola Sartoretti , Ralf Bender , Frank Grupp , Hans-Joachim Hess , Florian Lang-Bardl , Bernard Muschielok , Hans Böhringer , Thomas Boller , Angela Bongiorno , Marcella Brusa , Tom Dwelly , Andrea Merloni , Kirpal Nandra , Mara Salvato , Johannes H. Pragt , Ramón Navarro , Gerrit Gerlofsma , Ronald Roelfsema , Gavin B. Dalton , Kevin F. Middleton , Ian A. Tosh , Corrado Boeche , Elisabetta Caffau , Norbert Christlieb , Eva K. Grebel , Camilla Hansen , Andreas Koch , Hans-G. Ludwig , Andreas Quirrenbach , Luca Sbordone , Walter Seifert , Guido Thimm , Trifon Trifonov , Amina Helmi , Scott C. Trager , Sofia Feltzing , Andreas Korn , Wilfried Boland

Recently, coprime arrays have been in the focus of research because of their potential in exploiting redundancy in spanning large apertures with fewer elements than suggested by theory. A coprime array consists of two uniform linear…

Information Theory · Computer Science 2014-12-16 Zhiyuan Weng , Petar Djuric

In this work we present the first application of software-defined optoelectronics (SDO) for bidimensional optoacoustic tomography (OAT). The SDO concept refers to optoelectronic systems where the functionality associated with the…

Signal Processing · Electrical Eng. & Systems 2023-05-10 Roberto Insabella , Martin Gonzalez , Lucas Riobo , Klaus Hass , Francisco Veiras
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