نتایج جستجو برای: large time delay

تعداد نتایج: 2772910  

Journal: :Advances in Difference Equations 2011

Journal: :IFAC Proceedings Volumes 2011

Journal: :Monthly Notices of the Royal Astronomical Society 2021

We present the Time Lag/Delay Reconstructor (TLDR), an algorithm for reconstructing velocity delay maps in Maximum A Posteriori framework reverberation mapping. Reverberation mapping is a tomographical method studying kinematics and geometry of broad-line region active galactic nuclei at high spatial resolution. Leveraging modern image reconstruction techniques, including Total Variation Compre...

A Azadi Moghaddam Arani A Farahani H Khodayari Hajusefloo M Moradi

In the field of management, the delay within projects is a prominent and contentious issue. Due to the fact that delay leads to cost and time over-runs, it is often the subject of litigation claims and creation of managerial tensions. In a bid to bring such delays under control and also to diminish managerial tensions, it is necessary to recognize and understand the following four concepts:"typ...

ژورنال: Journal of Railway Research 2017
Moaveni, Bijan, Najafi, Sima ,

This study is concerned with the real-time delay recovery problem in metro loop lines. Metro is the backbone of public transportation system in large cities. A discrete event model for traffic system of metro loop lines is derived and presented. Two effective automatic controllers, linear quadratic regulator (LQR) and model predictive controller (MPC), are used to recover train delays. A newly-...

Journal: :European Journal of Cancer Supplements 2008

Journal: :Symposium - International Astronomical Union 1996

Journal: :Monthly Notices of the Royal Astronomical Society 2021

In recent years, breakthroughs in methods and data have enabled gravitational time delays to emerge as a very powerful tool measure the Hubble constant $H_0$. However, published state-of-the-art analyses require of order 1 year expert investigator up million hours computing per system. Furthermore, precision improves, it is crucial identify mitigate systematic uncertainties. With this delay len...

Journal: :Transactions of the Society of Instrument and Control Engineers 1991

2016
Anatoli S. Kheifets Alexander W. Bray Igor Bray

We study time delay in the primary photoemission channel near opening of an additional channel and compare it with the Wigner time delay in elastic scattering of the photoelectron near the corresponding inelastic threshold. The photoemission time delay near threshold is significantly enhanced, to a measurable 40 as, in comparison to the corresponding Wigner time delay. The enhancement is due to...

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