نتایج جستجو برای: electromagnetic field measurement

تعداد نتایج: 1247827  

Journal: : 2021

Günümüzde hızla büyüyen teknoloji ile birlikte, elektromanyetik kirlilik ve zararlı etkileri de artmıştır. Bu konuda yapılan çalışmalar artmakla birlikte bölgesel ya da noktasal ölçümler daha bir anlam kazanmıştır. çalışmada, ilk olarak Recep Tayyip Erdoğan Üniversitesi (RTEÜ) merkez kampüsünde değerleri incelenmiştir. kapsamda, günün farklı saat dilimlerinde, 21 noktada ölçümleri yapılmıştır. ...

E. Karimzadeh Esfahani, M. Bagheri Harouni, R. Roknizadeh,

In this paper we consider electromagnetic field quantization in the presence of a dispersive and absorbing semiconductor quantum dot. By using macroscopic approach and Green's function method, quantization of electromagnetic field is investigated. Interaction of a two-level atom , which is doped in a semiconductor quantum dot, with the quantized field is considered and its spontaneous emission ...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2019

Journal: :Chemosensors 2021

Soil moisture control is crucial to assess irrigation efficiency in green areas and agriculture. In this paper, we propose the design calibration of a sensor based on inductive coils electromagnetic fields. The proposed prototypes should meet series requirements such as low power consumption, relative error, high voltage difference between minimum maximum moisture. We tested different two coppe...

2012
Ben Yu-Kuang Hu Yu-Kuang Hu

I describe an elementary way of introducing electromagnetic field momentum. By considering a system of a long solenoid and line charge, the dependence of the field momentum on the electric and magnetic fields can be deduced. I obtain the electromagnetic angular momentum for a point charge and magnetic monopole pair partially through dimensional analysis and without using vector calculus identit...

2002
D Lynden-Bell

An electromagnetic field of simple algebraic structure is simply derived. It turns out to be the G = 0 limit of the charged rotating Kerr-Newman metrics. These all have gyromagnetic ratio 2, the same as the Dirac electron. The charge and current distributions giving this high gyromagnetic ratio have charges of both signs rotating at close to the velocity of light. It is conjectured that somethi...

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