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Related papers: Planck Frequencies as Schelling Points in SETI

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One of the essential prerequisites for detection of Earth-like extra-solar planets or direct measurements of the cosmological expansion is the accurate and precise wavelength calibration of astronomical spectrometers. It has already been…

Fiber-optical networks are a crucial telecommunication infrastructure in society. Wavelength division multiplexing allows for transmitting parallel data streams over the fiber bandwidth, and coherent detection enables the use of…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Lars Lundberg , Mikael Mazur , Ali Mirani , Benjamin Foo , Jochen Schröder , Victor Torres-Company , Magnus Karlsson , Peter A. Andrekson

The search for extraterrestrial intelligence (SETI) is to search for technosignatures associated with extraterrestrial life, such as engineered radio signals. In this paper, we apply the multibeam coincidence matching (MBCM) strategy, and…

Beam search is a go-to strategy for decoding neural sequence models. The algorithm can naturally be viewed as a subset optimization problem, albeit one where the corresponding set function does not reflect interactions between candidates.…

Computation and Language · Computer Science 2023-06-26 Clara Meister , Martina Forster , Ryan Cotterell

Spiking networks that perform probabilistic inference have been proposed both as models of cortical computation and as candidates for solving problems in machine learning. However, the evidence for spike-based computation being in any way…

Neural and Evolutionary Computing · Computer Science 2017-10-12 Luziwei Leng , Roman Martel , Oliver Breitwieser , Ilja Bytschok , Walter Senn , Johannes Schemmel , Karlheinz Meier , Mihai A. Petrovici

We propose SETI (Systematicity Evaluation of Textual Inference), a novel and comprehensive benchmark designed for evaluating pre-trained language models (PLMs) for their systematicity capabilities in the domain of textual inference.…

Computation and Language · Computer Science 2023-05-25 Xiyan Fu , Anette Frank

The aim of this work is to theoretically investigate the possibility of Kerr frequency combs in mechanical systems. In particular, whether microelectrome-chanical devices (MEMS) can be used to generate frequency combs in a manner that is…

Mesoscale and Nanoscale Physics · Physics 2019-02-28 Samer Houri , Daiki Hatanaka , Yaroslav M. Blanter , Hiroshi Yamaguchi

A laser frequency combs is a broad spectrum composed of equidistant narrow lines. Initially invented for frequency metrology, such combs enable new approaches to spectroscopy over broad spectral bandwidths, of particular relevance to…

Optics · Physics 2019-03-01 Nathalie Picqué , Theodor W. Hänsch

With their incomparable time-frequency accuracy, frequency combs have significantly advanced precision spectroscopy, ultra-sensitive detection, and atomic clocks. Traditional methods to create photonic, phononic, and magnonic frequency…

Mesoscale and Nanoscale Physics · Physics 2023-06-06 Congyi Wang , Jinwei Rao , Zhijian Chen , Kaixin Zhao , Liaoxin Sun , Bimu Yao , Tao Yu , Yi-Pu Wang , Wei Lu

The paper explores the use of various machine learning methods to search for heterogeneous or atypical structures on astronomical maps. The study was conducted on the maps of the cosmic microwave background radiation from the Planck mission…

Instrumentation and Methods for Astrophysics · Physics 2024-11-14 I. A. Karkin , A. A. Kirillov , E. P. Savelova

The sky is full of variable and transient sources on all time scales, from milliseconds to decades. Planck's regular scanning strategy makes it an ideal instrument to search for variable sky signals in the millimetre and submillimetre…

Instrumentation and Methods for Astrophysics · Physics 2015-12-14 Jörg P. Rachen , Elina Keihänen , Martin Reinecke

Messaging to extraterrestrial intelligence (METI) is a branch of study concerned with constructing and broadcasting a message toward habitable planets. Since the Arecibo message of 1974, the handful of METI broadcasts have increased in…

Popular Physics · Physics 2011-10-10 Dimitra Atri , Julia DeMarines , Jacob Haqq-Misra

The classic self-referenced frequency comb acts as an unrivaled ruler for precision optical metrology in both time and frequency. Two decades after its invention, the frequency comb is now used in numerous active sensing applications. Many…

In this paper, the problem of wireless resource allocation and semantic information extraction for energy efficient semantic communications over wireless networks with rate splitting is investigated. In the considered model, a base station…

Information Theory · Computer Science 2023-01-06 Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Chongwen Huang

It has been widely acknowledged that self-replicating space-probes (SRPs) could explore the galaxy very quickly relative to the age of the galaxy. An obvious implication is that SRPs produced by extraterrestrial civilizations should have…

Popular Physics · Physics 2011-11-29 Keith B. Wiley

Spectrum has become an extremely scarce and congested resource. As a consequence, spectrum sensing enables the coexistence of different wireless technologies in shared spectrum bands. Most existing work requires spectrograms to classify…

Networking and Internet Architecture · Computer Science 2024-02-08 Daniel Uvaydov , Milin Zhang , Clifton Paul Robinson , Salvatore D'Oro , Tommaso Melodia , Francesco Restuccia

As a response to the white paper call, we propose to turn Kepler to the South Ecliptic Pole (SEP) and observe thousands of large amplitude variables for years with high cadence in the frame of the Kepler-SEP Mission. The degraded pointing…

Although the primary goal of ESA's Planck mission is to produce high resolution maps of the temperature and polarization anisotropies of the Cosmic Microwave Background (CMB), its high-sensitivity all-sky surveys of extragalactic sources at…

Astrophysics · Physics 2007-05-23 G. De Zotti , C. Burigana , M. Negrello , S. Tinti , R. Ricci , L. Silva , J. Gonzalez-Nuevo , L. Toffolatti

We demonstrate a new mechanism for coherent comb generation in both radiation and matter domains, which is by using strong-field quantum electrodynamics processes. Specifically, we demonstrate this for nonlinear Compton scattering which has…

High Energy Physics - Phenomenology · Physics 2013-07-23 Katarzyna Krajewska , Jerzy Z. Kaminski

When users work with AI agents, they form conscious or subconscious expectations of them. Meeting user expectations is crucial for such agents to engage in successful interactions and teaming. However, users may form expectations of an…

Artificial Intelligence · Computer Science 2025-09-26 Akkamahadevi Hanni , Jonathan Montaño , Yu Zhang