相关论文: Timing calibration of the APOLLO experiment

Laser Calibration System for Time of Flight Scintillator Arrays

A laser calibration system was developed for monitoring and calibrating time of flight (TOF) scintillating detector arrays. The system includes setups for both small- and large-scale scintillator arrays. Following test-bench…

仪器与探测器 · 物理学 2020-06-24 A. Denniston , E. P. Segarra , A. Schmidt , A. Beck , S. May-Tal Beck , R. Cruz-Torres , F. Hauenstein , A. Hrnjic , T. Kutz , A. Nambrath , J. R. Pybus , P. Toledo , L. B. Weinstein , M. Olivenboim , E. Piasetzky , I. Korover , O. Hen

Polarimetric Calibration of Large-Aperture Telescopes II: The sub-aperture method

A new method for absolute polarimetric calibration of large telescopes is presented. The proposed method is highly accurate and is based on the calibration of a small sub-aperture, which is then extended to the full system by means of…

天体物理学 · 物理学 2009-11-10 H. Socas-Navarro

Experimental Comparison of Local and Over-the-Air Phase Calibration for MIMO Arrays

Communication performance and channel estimation accuracy in MIMO systems are known to be limited by hardware impairments. Specifically, the presence of phase impairments, such as phase noise, makes real-time coherent transmission a…

信号处理 · 电气工程与系统科学 2026-05-22 Carl Collmann , Ahmad Nimr , Gerhard Fettweis

Improving polarimetric accuracy of RoboPol to $<$ 0.05 % using a half-wave plate calibrator system

RoboPol is a four-channel, one-shot linear optical polarimeter that has been successfully operating since 2013 on the 1.3 m telescope at Skinakas Observatory in Crete, Greece. Using its unique optical system, it measures the linear Stokes…

天体物理仪器与方法 · 物理学 2024-07-23 Siddharth Maharana , Dmitry Blinov , A. N. Ramaprakash , Vasiliki Pavlidou , Konstantinos Tassis

Planck 2013 results. V. LFI calibration

We discuss the methods employed to photometrically calibrate the data acquired by the Low Frequency Instrument on Planck. Our calibration is based on a combination of the Orbital Dipole plus the Solar Dipole, caused respectively by the…

天体物理仪器与方法 · 物理学 2016-08-11 Planck Collaboration , N. Aghanim , C. Armitage-Caplan , M. Arnaud , M. Ashdown , F. Atrio-Barandela , J. Aumont , C. Baccigalupi , A. J. Banday , R. B. Barreiro , E. Battaner , K. Benabed , A. Benoît , A. Benoit-Lévy , J. -P. Bernard , M. Bersanelli , P. Bielewicz , J. Bobin , J. J. Bock , A. Bonaldi , L. Bonavera , J. R. Bond , J. Borrill , F. R. Bouchet , M. Bridges , M. Bucher , C. Burigana , R. C. Butler , B. Cappellini , J. -F. Cardoso , A. Catalano , A. Chamballu , X. Chen , L. -Y Chiang , P. R. Christensen , S. Church , S. Colombi , L. P. L. Colombo , B. P. Crill , A. Curto , F. Cuttaia , L. Danese , R. D. Davies , R. J. Davis , P. de Bernardis , A. de Rosa , G. de Zotti , J. Delabrouille , C. Dickinson , J. M. Diego , H. Dole , S. Donzelli , O. Doré , M. Douspis , X. Dupac , G. Efstathiou , T. A. Enßlin , H. K. Eriksen , F. Finelli , O. Forni , M. Frailis , E. Franceschi , T. C. Gaier , S. Galeotta , K. Ganga , M. Giard , G. Giardino , Y. Giraud-Héraud , E. Gjerløw , J. González-Nuevo , K. M. Górski , S. Gratton , A. Gregorio , A. Gruppuso , F. K. Hansen , D. Hanson , D. Harrison , S. Henrot-Versillé , C. Hernández-Monteagudo , D. Herranz , S. R. Hildebrandt , E. Hivon , M. Hobson , W. A. Holmes , A. Hornstrup , W. Hovest , K. M. Huffenberger , A. H. Jaffe , T. R. Jaffe , J. Jewell , W. C. Jones , M. Juvela , P. Kangaslahti , E. Keihänen , R. Keskitalo , T. S. Kisner , J. Knoche , L. Knox , M. Kunz , H. Kurki-Suonio , G. Lagache , A. Lähteenmäki , J. -M. Lamarre , A. Lasenby , R. J. Laureijs , C. R. Lawrence , S. Leach , J. P. Leahy , R. Leonardi , J. Lesgourgues , M. Liguori , P. B. Lilje , M. Linden-Vørnle , M. López-Caniego , P. M. Lubin , J. F. Macías-Pérez , D. Maino , N. Mandolesi , M. Maris , D. J. Marshall , P. G. Martin , E. Martínez-González , S. Masi , M. Massardi , S. Matarrese , F. Matthai , P. Mazzotta , P. R. Meinhold , A. Melchiorri , L. Mendes , A. Mennella , M. Migliaccio , S. Mitra , A. Moneti , L. Montier , G. Morgante , D. Mortlock , A. Moss , D. Munshi , P. Naselsky , P. Natoli , C. B. Netterfield , H. U. Nørgaard-Nielsen , D. Novikov , I. Novikov , I. J. O'Dwyer , S. Osborne , F. Paci , L. Pagano , R. Paladini , D. Paoletti , B. Partridge , F. Pasian , G. Patanchon , D. Pearson , M. Peel , O. Perdereau , L. Perotto , F. Perrotta , E. Pierpaoli , D. Pietrobon , S. Plaszczynski , E. Pointecouteau , G. Polenta , N. Ponthieu , L. Popa , T. Poutanen , G. W. Pratt , G. Prézeau , S. Prunet , J. -L. Puget , J. P. Rachen , R. Rebolo , M. Reinecke , M. Remazeilles , S. Ricciardi , T. Riller , G. Rocha , C. Rosset , M. Rossetti , G. Roudier , J. A. Rubiño-Martín , B. Rusholme , M. Sandri , D. Santos , D. Scott , M. D. Seiffert , E. P. S. Shellard , L. D. Spencer , J. -L. Starck , V. Stolyarov , R. Stompor , F. Sureau , D. Sutton , A. -S. Suur-Uski , J. -F. Sygnet , J. A. Tauber , D. Tavagnacco , L. Terenzi , L. Toffolatti , M. Tomasi , M. Tristram , M. Tucci , J. Tuovinen , M. Türler , G. Umana , L. Valenziano , J. Valiviita , B. Van Tent , J. Varis , P. Vielva , F. Villa , N. Vittorio , L. A. Wade , B. D. Wandelt , R. Watson , A. Wilkinson , D. Yvon , A. Zacchei , A. Zonca

First Results from the PAMELA Space Mission

On the 15th of June 2006, the PAMELA satellite-borne experiment was launched from the Baikonur cosmodrome and it has been collecting data since July 2006. The apparatus comprises a time-of-flight system, a silicon-microstrip magnetic…

天体物理学 · 物理学 2008-10-21 M. Boezio , V. Bonvicini , G. Jerse , E. Mocchiutti , A. Vacchi , G. Zampa , N. Zampa , O. Adriani , M. Bongi , L. Bonechi , S. Bottai , D. Fedele , P. Papini , S. B. Ricciarini , P. Spillantini , E. Taddei , E. Vannuccini , G. C. Barbarino , D. Campana , R. Carbone , G. Osteria , G. A. Bazilevskaya , A. N. Kvashnin , Y. I. Stozhkov , R. Bellotti , A. Bruno , F. Cafagna , E. A. Bogomolov , S. Y. Krutkov , G. Vasilyev , S. Borisov , M. Casolino , M. P. De Pascale , N. De Simone , V. Di Felice , V. Malvezzi , L. Marcelli , N. Nikonov , P. Picozza , R. Sparvoli , P. Carlson , P. Hofverberg , S. Orsi , M. Pearce , G. Castellini , A. M. Galper , L. Grishantseva , A. Leonov , S. V. Koldashov , V. V. Mikhailov , S. A. Voronov , Y. T. Yurkin , V. G. Zverev , W. Menn , M. Simon , M. Ricci

Sub-ns timing accuracy for satellite quantum communications

Satellite quantum communications have rapidly evolved in the past few years, culminating in the proposal, development, and deployment of satellite missions dedicated to quantum key distribution and the realization of fundamental tests of…

量子物理 · 物理学 2019-02-20 Costantino Agnesi , Luca Calderaro , Daniele Dequal , Francesco Vedovato , Matteo Schiavon , Alberto Santamato , Vincenza Luceri , Giuseppe Bianco , Giuseppe Vallone , Paolo Villoresi

Radio Astronomical Polarimetry and High-Precision Pulsar Timing

A new method of matrix template matching is presented in the context of pulsar timing analysis. Pulse arrival times are typically measured using only the observed total intensity light curve. The new technique exploits the additional timing…

天体物理学 · 物理学 2017-08-02 W. van Straten

Pointing Accuracy Improvements for the South Pole Telescope with Machine Learning

We present improvements to the pointing accuracy of the South Pole Telescope (SPT) using machine learning. The ability of the SPT to point accurately at the sky is limited by its structural imperfections, which are impacted by the extreme…

天体物理仪器与方法 · 物理学 2025-11-03 P. M. Chichura , A. Rahlin , A. J. Anderson , B. Ansarinejad , M. Archipley , L. Balkenhol , K. Benabed , A. N. Bender , B. A. Benson , F. Bianchini , L. E. Bleem , F. R. Bouchet , L. Bryant , E. Camphuis , J. E. Carlstrom , C. L. Chang , P. Chaubal , A. Chokshi , T. -L. Chou , A. Coerver , T. M. Crawford , C. Daley , T. de Haan , K. R. Dibert , M. A. Dobbs , M. Doohan , A. Doussot , D. Dutcher , W. Everett , C. Feng , K. R. Ferguson , K. Fichman , A. Foster , S. Galli , A. E. Gambrel , R. W. Gardner , F. Ge , N. Goeckner-Wald , R. Gualtieri , F. Guidi , S. Guns , N. W. Halverson , E. Hivon , G. P. Holder , W. L. Holzapfel , J. C. Hood , A. Hryciuk , N. Huang , F. Kéruzoré , A. R. Khalife , J. Kim , L. Knox , M. Korman , K. Kornoelje , C. -L. Kuo , K. Levy , A. E. Lowitz , C. Lu , A. Maniyar , D. P. Marrone , E. S. Martsen , F. Menanteau , M. Millea , J. Montgomery , Y. Nakato , T. Natoli , G. I. Noble , Y. Omori , S. Padin , Z. Pan , P. Paschos , K. A. Phadke , A. W. Pollak , K. Prabhu , W. Quan , M. Rahimi , C. L. Reichardt , M. Rouble , J. E. Ruhl , E. Schiappucci , J. A. Sobrin , A. A. Stark , J. Stephen , C. Tandoi , B. Thorne , C. Trendafilova , C. Umilta , J. Veitch-Michaelis , J. D. Vieira , A. Vitrier , Y. Wan , N. Whitehorn , W. L. K. Wu , M. R. Young , K. Zagorski , J. A. Zebrowski

High precision ground-based measurements of solar diameter in support of PICARD mission

The measurement of the solar diameter is introduced in the wider framework of solar variability and of the influences of the Sun upon the Earth's climate. Ancient eclipses and planetary transits would permit to extend the knowledge of the…

天体物理仪器与方法 · 物理学 2012-11-26 Costantino Sigismondi

Robo-AO: An Autonomous Laser Adaptive Optics and Science System

Robo-AO, a fully autonomous, laser guide star adaptive optics and science system, is being commissioned at Palomar Observatory's 60-inch telescope. Here we discuss the instrument, scientific goals and results of initial on-sky operation.

天体物理仪器与方法 · 物理学 2012-12-05 Christoph Baranec , Reed Riddle , A. N. Ramaprakash , Nicholas Law , Shriharsh Tendulkar , Shrinivas Kulkarni , Richard Dekany , Khanh Bui , Jack Davis , Jeff Zolkower , Jason Fucik , Mahesh Burse , Hillol Das , Pravin Chordia , Mansi Kasliwal , Eran Ofek , Timothy Morton , John Johnson

Earth-Moon VLBI project. Modeling of scientific outcome

Modern radio astrometry has reached the limit of the resolution that is determined by the size of the Earth. The only way to overcome that limit is to create the radio telescopes outside our planet. It is proposed to build an autonomous…

天体物理仪器与方法 · 物理学 2019-03-21 Sergei L. Kurdubov , Dmitry A. Pavlov , Svetlana M. Mironova , Sergey A. Kaplev

Validation of the in-flight calibration procedures for the MICROSCOPE space mission

The MICROSCOPE space mission aims to test the Equivalence Principle with an accuracy of $10^{-15}$. The drag-free micro-satellite will orbit around the Earth and embark a differential electrostatic accelerometer including two cylindrical…

天体物理仪器与方法 · 物理学 2017-07-25 Emilie Hardy , Agnès Levy , Manuel Rodrigues , Pierre Touboul , Gilles Métris

Optical Clock and Drag-Free Requirements for a Shapiro Time-Delay Mission

In the next decade or two, extremely accurate tests of general relativity under extreme conditions are expected from gravitational wave observations of binary black hole mergers with a wide range of mass ratios. In addition, major…

广义相对论与量子宇宙学 · 物理学 2011-06-14 Neil Ashby , Peter L. Bender

Erosion rate of lunar soil under a landing rocket, part 2: benchmarking and predictions

In the companion paper ("Erosion rate of lunar soil under a landing rocket, part 1: identifying the rate-limiting physics", this issue) an equation was developed for the rate that lunar soil erodes under the exhaust of a landing rocket.…

地球与行星天体物理 · 物理学 2024-03-28 Philip Metzger

Radiation Monitor RADMON aboard Aalto-1 CubeSat: First results

The Radiation Monitor (RADMON) on-board Aalto-1 CubeSat is an energetic particle detector that fulfills the requirements of small size, low power consumption and low budget. Aalto-1 was launched on 23 June 2017 to a sun-synchronous polar…

空间物理 · 物理学 2019-12-02 Jan Gieseler , Philipp Oleynik , Heli Hietala , Rami Vainio , Hannu-Pekka Hedman , Juhani Peltonen , Arttu Punkkinen , Risto Punkkinen , Tero Säntti , Edward Hæggström , Jaan Praks , Petri Niemelä , Bagus Riwanto , Nemanja Jovanovic , M. Rizwan Mughal

The on-orbit calibration of DArk Matter Particle Explorer

The DArk Matter Particle Explorer (DAMPE), a satellite-based cosmic ray and gamma-ray detector, was launched on December 17, 2015, and began its on-orbit operation on December 24, 2015. In this work we document the on-orbit calibration…

天体物理仪器与方法 · 物理学 2019-07-05 G. Ambrosi , Q. An , R. Asfandiyarov , P. Azzarello , P. Bernardini , M. S. Cai , M. Caragiulo , J. Chang , D. Y. Chen , H. F. Chen , J. L. Chen , W. Chen , M. Y. Cui , T. S. Cui , H. T. Dai , A. D'Amone , A. De Benedittis , I. De Mitri , M. Ding , M. Di Santo , J. N. Dong , T. K. Dong , Y. F. Dong , Z. X. Dong , D. Droz , K. K. Duan , J. L. Duan , D. D'Urso , R. R. Fan , Y. Z. Fan , F. Fang , C. Q. Feng , L. Feng , P. Fusco , V. Gallo , F. J. Gan , M. Gao , S. S. Gao , F. Gargano , S. Garrappa , K. Gong , Y. Z. Gong , J. H. Guo , Y. M. Hu , G. S. Huang , Y. Y. Huang , M. Ionica , D. Jiang , W. Jiang , X. Jin , J. Kong , S. J. Lei , S. Li , X. Li , W. L. Li , Y. Li , Y. F. Liang , Y. M. Liang , N. H. Liao , C. M. Liu , H. Liu , J. Liu , S. B. Liu , W. Q. Liu , Y. Liu , F. Loparco , M. Ma , P. X. Ma , S. Y. Ma , T. Ma , X. Q. Ma , X. Y. Ma , G. Marsella , M. N. Mazziotta , D. Mo , X. Y. Niu , X. Pan , X. Y. Peng , W. X. Peng , R. Qiao , J. N. Rao , M. M. Salinas , G. Z. Shang , W. H. Shen , Z. Q. Shen , Z. T. Shen , J. X. Song , H. Su , M. Su , Z. Y. Sun , A. Surdo , X. J. Teng , X. B. Tian , A. Tykhonov , S. Vitillo , C. Wang , H. Wang , H. Y. Wang , J. Z. Wang , L. G. Wang , Q. Wang , S. Wang , X. H. Wang , X. L. Wang , Y. F. Wang , Y. P. Wang , Y. Z. Wang , Z. M. Wang , S. C. Wen , D. M. Wei , J. J. Wei , Y. F. Wei , D. Wu , J. Wu , L. B. Wu , S. S. Wu , X. Wu , K. Xi , Z. Q. Xia , Y. L. Xin , H. T. Xu , Z. H. Xu , Z. L. Xu , Z. Z. Xu , G. F. Xue , H. B. Yang , P. Yang , Y. Q. Yang , Z. L. Yang , H. J. Yao , Y. H. Yu , Q. Yuan , C. Yue , J. J. Zang , D. L. Zhang , F. Zhang , J. B. Zhang , J. Y. Zhang , J. Z. Zhang , L. Zhang , P. F. Zhang , S. X. Zhang , W. Z. Zhang , Y. Zhang , Y. J. Zhang , Y. Q. Zhang , Y. L. Zhang , Y. P. Zhang , Z. Zhang , Z. Y. Zhang , H. Zhao , H. Y. Zhao , X. F. Zhao , C. Y. Zhou , Y. Zhou , X. Zhu , Y. Zhu , S. Zimmer

The Solar Test of the Equivalence Principle

The Earth, Mars, Sun, Jupiter system allows for a sensitive test of the strong equivalence principle (SEP) which is qualitatively different from that provided by Lunar Laser Ranging. Using analytic and numerical methods we demonstrate that…

广义相对论与量子宇宙学 · 物理学 2008-11-26 John D. Anderson , Mark Gross , Kenneth L. Nordtvedt , Slava G. Turyshev

Time and frequency transfer with a microwave link in the ACES/PHARAO mission

The Atomic Clocks Ensemble in Space (ACES/PHARAO mission), which will be installed on board the International Space Station (ISS), uses a dedicated two-way Micro-Wave Link (MWL) in order to compare the timescale generated on board with…

空间物理 · 物理学 2012-06-28 P. Delva , F. Meynadier , P. Wolf , C. Le Poncin-Lafitte , P. Laurent

The AMANDA Neutrino Telescope: Principle of Operation and First Results

AMANDA is a high-energy neutrino telescope presently under construction at the geographical South Pole. In the Antarctic summer 1995/96, an array of 80 optical modules (OMs) arranged on 4 strings (AMANDA-B4) was deployed at depths between…

天体物理学 · 物理学 2011-05-12 E. Andres