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Non-resonant microwave absorption(NRMA) studies of superconducting MgB_2 at a frequency of 9.43 GHz in the field range -50 Gauss to 5000 Gauss are reported. The NRMA results indicate near absence of intergranular weak links. A linear…

Superconductivity · Physics 2009-11-07 Janhavi P. Joshi , Subhasis Sarangi , A. K. Sood , S. V. Bhat , Dilip Pal

This article deals with an important aspect of the neural network retrieval of sea surface salinity (SSS) from SMOS brightness temperatures (TBs). The neural network retrieval method is an empirical approach that offers the possibility of…

Neural and Evolutionary Computing · Computer Science 2016-01-19 Adel Ammar , Sylvie Labroue , Estelle Obligis , Michel Crépon , Sylvie Thiria

The mid-term fractional frequency stability of miniaturized atomic clocks can be limited by light-shift effects. In this Letter, we demonstrate the implementation of a symmetric Auto-Balanced Ramsey (SABR) interrogation sequence in a…

Atomic Physics · Physics 2022-02-23 M. Abdel Hafiz , C. Carlé , N. Passilly , J. M. Danet , C. E. Calosso , R. Boudot

Land surface temperature (LST) is a fundamental parameter in thermal infrared remote sensing, while current LST products are often constrained by the trade-off between spatial and temporal resolutions. To mitigate this limitation, numerous…

Geophysics · Physics 2025-11-11 Huanyu Zhang , Bo-Hui Tang , Tian Hu , Yun Jiang , Zhao-Liang Li

The Simons Observatory (SO) will measure the cosmic microwave background (CMB) in both temperature and polarization over a wide range of angular scales and frequencies from 27-270 GHz with unprecedented sensitivity. One technology for…

It is possible to reduce the discrepancy between the local measurement of the cosmological parameter $H_0$ and the value derived from the $Planck$ measurements of the Cosmic Microwave Background (CMB) by considering contamination of the CMB…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-27 V. N. Yershov , A. A. Raikov , N. Yu. Lovyagin , N. P. M. Kuin , E. A. Popova

Aims. We present further development of the rolling root mean square (rRMS) algorithm. These improvements consist of an increase in computational speed and an estimation of the uncertainty on the recovered diagnostics. This improvement is…

Solar and Stellar Astrophysics · Physics 2024-05-13 Aaron W. Peat , Nicolas Labrosse , Krzysztof Barczynski , Brigitte Schmieder

In this paper, the problem of training signal design for intelligent reflecting surface (IRS)-assisted millimeter-wave (mmWave) communication under a sparse channel model is considered. The problem is approached based on the…

Information Theory · Computer Science 2020-12-29 Song Noh , Heejung Yu , Youngchul Sung

Land Surface Temperature (LST) is one of the key parameters in the physics of land-surface processes on regional and global scales, combining the results of all surface-atmosphere interactions and energy fluxes between the surface and the…

Geophysics · Physics 2016-11-03 Ana Belen Ruescas , Olaf Danne , Norman Fomferra , Carsten Brockmann

The high dissipation of integrated circuits means serious problems for packaging and for the design of complex electronic systems. Another important area of research and development nowadays is the integration of sensors and micromechanical…

Materials Science · Physics 2007-09-13 L. Pohl , V. Szekely

Spectral distortions of the Cosmic Microwave Background (CMB) offer the possibility of probing processes which occurred during the evolution of our Universe going back up to Z$\simeq 10^7$. Unfortunately all the attempts so far carried out…

Instrumentation and Methods for Astrophysics · Physics 2017-02-22 Giorgio Sironi

Random stepped frequency (RSF) radar, which transmits random-frequency pulses, can suppress the range ambiguity, improve convert detection, and possess excellent electronic counter-countermeasures (ECCM) ability [1]. In this paper, we apply…

Signal Processing · Electrical Eng. & Systems 2018-08-30 Tianyao Huang , Yimin Liu , Huadong Meng , Xiqin Wang

The continuous improvement in weather forecast skill over the past several decades is largely due to the increasing quantity of available satellite observations and their assimilation into operational forecast systems. Assimilating these…

Atmospheric and Oceanic Physics · Physics 2025-04-24 Lucas Howard , Aneesh C. Subramanian , Gregory Thompson , Benjamin Johnson , Thomas Auligne

We have determined the CMB temperature, $T(z)$, at redshifts in the range 0.023-0.546, from multi-frequency measurements of the S-Z effect towards 13 clusters. We extract the parameter $\alpha$ in the redshift scaling…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 G. Luzzi , M. Shimon , L. Lamagna , Y. Rephaeli , M. De Petris , A. Conte , S. De Gregori , E. S. Battistelli

Downscaling (DS) of meteorological variables involves obtaining high-resolution states from low-resolution meteorological fields and is an important task in weather forecasting. Previous methods based on deep learning treat downscaling as a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Zili Liu , Hao Chen , Lei Bai , Wenyuan Li , Keyan Chen , Zhengyi Wang , Wanli Ouyang , Zhengxia Zou , Zhenwei Shi

Due to the prevalence of scale variance in nature images, we propose to use image scale as a self-supervised signal for Masked Image Modeling (MIM). Our method involves selecting random patches from the input image and downsampling them to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Zhiming Wang , Lin Gu , Feng Lu

This paper presents an efficient algorithm of high-resolution microwave imaging based on the concept of generalized reflectivity. The contribution made in this paper is two-fold. We introduce the concept of non-parametric generalized…

Computer Vision and Pattern Recognition · Computer Science 2016-11-11 Long Gang Wang , Lianlin Li , Tie Jun Cui

We use the dispersion measure (DM) of localised Fast Radio Bursts (FRBs) to constrain cosmological and host galaxy parameters using simulation-based inference (SBI) for the first time. By simulating the large-scale structure of the electron…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-25 Koustav Konar , Robert Reischke , Steffen Hagstotz , Andrina Nicola , Hendrik Hildebrandt

We report local time-resolved thermometry in a silicon nanowire quantum dot device designed to host a linear array of spin qubits. Using two alternative measurement schemes based on rf reflectometry, we are able to probe either local…

This article is the second of a series of articles aiming at proving the feasibility of the forecast of all the most relevant classical atmospherical parameters for astronomical applications (wind speed and direction, temperature, relative…

Instrumentation and Methods for Astrophysics · Physics 2013-09-27 Franck Lascaux , Elena Masciadri , Luca Fini
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