English
Related papers

Related papers: Identification of RF&MW microcalorimeter weak poin…

200 papers

Primary power standards in the microwave domain are realized using a calorimetric technique, usually identified with the used measurement system, i.e., the microcalorimeter. It is adjusted for measurement of power ratios with a relative…

Instrumentation and Detectors · Physics 2021-03-09 L. Brunetti , L. Oberto

This paper describes hardware and software improvements of the INRIM coaxial microcalorimeter together with their outcome on the primary power standard realization in the frequency band 0.05 - 40 GHz. A better temperature and power…

Instrumentation and Detectors · Physics 2021-02-12 Luciano Brunetti , Luca Oberto , Marco Sellone , Nosherwan Shoaib , Emil Vremera

The high frequency primary power standard is univocally realized by means of a coaxial microcalorimeter, at least up to 40 GHz. The coaxial microcalorimeter is a broadband measurement system adjusted for effec-tive efficiency measurement of…

Instrumentation and Detectors · Physics 2021-03-09 Luciano Brunetti , Luca Oberto , Marco Sellone

Cryogenic microcalorimeters are state-of-the-art radiation detectors using superconducting and quantum technologies. They can resolve complex X-ray and low-energy {\gamma}-ray spectra with ultra-high energy resolution of an order of 10 eV…

Thermoelectric power sensors used as power transfer standards are promising devices for further enhancements of the microcalorimetric technique in the high frequency field. A coaxial microcalorimeter has been studied, based on…

Instrumentation and Detectors · Physics 2021-03-09 L. Brunetti , L. Oberto , M. Sellone , E. Vremera

Thermoelectric power sensors are widely used in commercial power meters at RF and microwaves, due to their superior robustness, stability, and accuracy if compared with other types of power sensors. Furthermore, their electrical…

Instrumentation and Detectors · Physics 2021-02-12 Luca Oberto , Luciano Brunetti

The paper describes the realization process of the high frequency power standard based on a twin broadband microcalorimeter designed for effective efficiency measurement of coaxial power sensors with indirect heating thermocouples. The…

Instrumentation and Detectors · Physics 2021-03-09 Emil Vremera , Luciano Brunetti , Luca Oberto , Marco Sellone

Modern coordinate measurement machines (CMM) are universal tools to measure geometric features of complex three-dimensional workpieces. To use them as reliable means of quality control, the suitability of the device for the specific…

Instrumentation and Detectors · Physics 2019-07-25 Daniel Heißelmann , Matthias Franke , Kerstin Rost , Klaus Wendt , Thomas Kistner , Carsten Schwehn

State estimators often provide self-assessed uncertainty metrics, such as covariance matrices, whose credibility is critical for downstream tasks. However, these self-assessments can be misleading due to underlying modeling violations like…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Penggao Yan , Xingqun Zhan , Rui Sun , Li-Ta Hsu

Historically, weak values have been associated with weak measurements performed on quantum systems. Over the past two decades, a series of works have shown that weak values can be determined via measurements of arbitrary strength. One such…

Quantum Physics · Physics 2023-09-06 David R. A. Ruelas Paredes , Mariano Uria , Eduardo Massoni , Francisco De Zela

The standard non-equilibrium theory of noise in ideal bolometers and microcalorimeters fails to predict the performance of real devices due to additional effects that become important at low temperature. In this paper we extend the theory…

Astrophysics · Physics 2009-11-07 M. Galeazzi , D. McCammon

Accurate temperature measurements are essential for the proper monitoring and control of industrial furnaces. However, measurement uncertainty is a risk for such a critical parameter. Certain instrumental and environmental errors must be…

Signal Processing · Electrical Eng. & Systems 2022-01-12 Iñigo Martinez , Urtzi Otamendi , Igor G. Olaizola , Roger Solsona , Mikel Maiza , Elisabeth Viles , Arturo Fernandez , Ignacio Arzua

It is necessary to estimate the expected energy usage of a building to determine how to reduce energy usage. The expected energy usage of a building can be reliably simulated using a Building Energy Model (BEM). Many of the numerous input…

Computational Engineering, Finance, and Science · Computer Science 2020-04-21 Arpan Mukherjee , Anna Kuechle Szweda , Andrew Alegria , Rahul Rai , Tarunraj Singh

This paper presents a detailed analysis of uncertainty matrices (i.e. measurement covariance matrices) associated with multiple complex-valued microwave scattering S-parameter measurements. The analysis is based on forming combinations of…

Instrumentation and Detectors · Physics 2018-09-20 Nick M. Ridler , Martin J. Salter

With the extreme scaling, active devices in both CMOS and BiCMOS technologies have reached outstanding ft/fmax, enabling an ever-increasing number of existing and emerging applications in the microwave and millimeter wave (mm-wave)…

Signal Processing · Electrical Eng. & Systems 2024-09-13 Michele Spasaro , Domenico Zito

Wireless Sensor Networks research and demand are now in full expansion, since people came to understand these are the key to a large number of issues in industry, commerce, home automation, healthcare, agriculture and environment,…

Networking and Internet Architecture · Computer Science 2012-02-28 Andreea Picu , Antoine Fraboulet , Eric Fleury

Recent empirical work in the field of 'weak measurements' has yielded novel ways of more directly accessing and exploring the quantum wavefunction. Measuring either position or momentum for a photon in a 'weak' manner yields a wide range of…

Quantum Physics · Physics 2013-06-17 David R Geelan

Thermoelectric power sensors can now be used as transfer standards, instead of bolometers, in the microcalorimeter technique. This alternative has the technical advantages to be less sensitive to absolute temperature and not downward…

Instrumentation and Detectors · Physics 2021-03-09 L. Brunetti , L. Oberto , E. Vremera

A near-field microwave imaging system attempts to reveal the presence of an object and/or an electrical property distribution by measuring the scattered field from many positions surrounding the object. Over the past few decades, both the…

Medical Physics · Physics 2019-09-26 Wenyi Shao

The systematic uncertainty on the W mass and width measurement resulting from the imperfect knowledge of electroweak radiative corrections is discussed. The intrinsic uncertainty in the 4-f generator used by the DELPHI Collaboration is…

High Energy Physics - Phenomenology · Physics 2009-01-07 F. Cossutti
‹ Prev 1 2 3 10 Next ›