Results 21 to 30 of about 45,108 (242)

Spatial‐temporal modulation in radiation therapy

open access: yes, 2022
Precision Radiation Oncology, Volume 6, Issue 4, Page 276-278, December 2022.
Xiaodong Wu
wiley   +1 more source

CJFET Differential Pairs’ Constructions and Characteristics for Design of Cbicjfet Differential Amplifiers and Differential Difference Amplifiers’

open access: yesVìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2019
We have developed technology and construction solutions system to increase differential pairs (DP) of JFet with p- and n-channels identity, which are included into silicon complementary bipolar process of SPE “Pulsar” (Moscow).
E. M. Savchenko   +5 more
doaj   +1 more source

Pulsars [PDF]

open access: yesHighlights of Astronomy, 1968
It seems hard to realise, today, that pulsars were totally unknown at the time of the last General Assembly. The discovery of pulsars dates from November 28th, 1967, when the first pulses were recorded from the source now known as CP 1919. Since then we have witnessed an astonishing phase of activity, amongst observers and theoreticians alike, which ...
openaire   +1 more source

Pulsar magnetospheres and pulsar winds [PDF]

open access: yesAIP Conference Proceedings, 2017
10 pages, 6 (black and white) figures, in Proceedings of the 2016 Heidelberg Symposium on High Energy Gamma-Ray ...
openaire   +3 more sources

The Method of Bandwidth Extension of SiGe BiCMOS Microwave Variable-Gain Amplifier Integrated Circuit

open access: yesVìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2017
The article proposes a method of bandwidth extension of the analog integrated circuit of the variable-gain amplifier (VGA) based on SiGe BiCMOS technology with the rules of 0.18 µm. The designed VGA has a linear (in dB) control characteristic.
E. M. Savchenko   +3 more
doaj   +1 more source

Giant pulses of pulsar radio emission [PDF]

open access: yesAstrophys.SpaceSci.308:563-567,2007, 2007
Review report of giant pulses of pulsar radio emission, based on our detections of four new pulsars with giant pulses, and the comparative analysis of the previously known pulsars with giant pulses, including the Crab pulsar and millisecond pulsar PSR B1937+21.
arxiv   +1 more source

CONNECTION OF ADDITIONAL PULSAR EMISSION COMPONENTS IN THE CRAB WITH THE RESONANCE REFLECTION FROM A NEUTRON STAR [PDF]

open access: yesRadio Physics and Radio Astronomy, 2018
Purpose: The subject of the paper is discussion of reflected radiation from the neutron star surface. Such radiation, as was shown earlier by S. V. Trofymenko and one of the authors, occurs when reflects the radiation of relativistic positrons flying ...
V. M. Kontorovich   +2 more
doaj   +1 more source

Spun-Up Rotation-Powered Magnetized White Dwarfs in Close Binaries as Possible Gamma-ray Sources: Signatures of Pulsed Modulation from AE Aquarii and AR Scorpii in Fermi-LAT Data

open access: yesGalaxies, 2023
In this paper, the possibility of periodic pulsar-like gamma-ray emission from the white dwarfs in AE Aquarii and AR Scorpii is investigated. We show that the white dwarf magnetospheres in AE Aquarii and AR Scorpii can possibly induce potentials to ...
Pieter J. Meintjes   +3 more
doaj   +1 more source

Dealing with the data imbalance problem on pulsar candidates sifting based on feature selection [PDF]

open access: yesResearch in Astronomy and Astrophysics, 2024, 2023
Pulsar detection has become an active research topic in radio astronomy recently. One of the essential procedures for pulsar detection is pulsar candidate sifting (PCS), a procedure of finding out the potential pulsar signals in a survey. However, pulsar candidates are always class-imbalanced, as most candidates are non-pulsars such as RFI and only a ...
arxiv   +1 more source

Pulsar [PDF]

open access: yesMatlit Revista do Programa de Doutoramento em Materialidades da Literatura, 2015
Neste texto, descreve-se o conceito para o edifício Pulsar, uma estrutura arquitetónica reprogramável constituída por materiais texteis inteligentes com origem na nanotecnologia.
openaire   +3 more sources

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