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Questions related to Electromagnetic Radiation
The “Electromagnetic Radiation Energy and Planck’ Constant” suggested the existence of this constant, what do you think about it?
03 March 2015 10,133 7 View
For understanding the concept of photon echo, I studied several papers and online materials but I still can't understand it. I hope someone can explain it in a personal way.
03 March 2015 4,972 6 View
I am searching for a cost-effective way for dispersing/preventing signals distributed around a big cell-phone Antenna, which is installed in my neighborhood.
03 March 2015 7,470 6 View
We would like to investigate the effects of diagnostic x ray irradiation on lipid peroxidation in different animals tissues. Therefore we would like to know if somebody had already determined a...
03 March 2015 9,172 1 View
Hello. It is well known that photon is well absorbed to the atom (or ion) if energy difference between two levels are perfectly matched to the photon energy. What about the case that photon energy...
03 March 2015 3,962 5 View
What are the results of your research i.e. the effects of mobile antenna radiation on cell or tissue?
02 February 2015 4,459 1 View
Radio propagation is the behavior of radio waves when they are transmitted, or propagated from one point on the Earth to another, or into various parts of the atmosphere. As a form of...
04 January 2015 2,265 5 View
01 January 2015 9,542 6 View
A black hole is a mathematically defined region of spacetime exhibiting such a strong gravitational pull that no particle or electromagnetic radiation can escape from it.The theory of general...
01 January 2015 7,367 3 View
What I mean by this question is as follows: We know that the growth/rise phase of solar flare components (Soft X-rays, Hard X-rays) is always associated with the solar radio type III burst and...
01 January 2015 8,551 6 View
in order to implement 1D FDTD without error we should consider Perfect magnetic conductor(PMC) at the beginning of the grid and perfect electric conductor (PEC) at the end of the grid.but...
31 December 2014 5,793 4 View
With respect to the effect of EM radiation on the human cells. Most researchers are focused on the immediate effect and Specific Absorption Rate (SAR) as a metric limiting the design of BS and UE...
28 December 2014 1,570 5 View
This is a well known old problem: When a charged capacitor is connected to an uncharged capacitor, they share their charges, but there is an energy loss during this process; even when there is...
23 December 2014 8,048 10 View
12 December 2014 2,914 6 View
12 December 2014 1,428 11 View
Dynamic equations for elecromagnetic fields do not depend on quantum constant \hbar. They do not change their form at \hbar tending to zero. In other words, they have the same form in classical...
12 December 2014 10,044 5 View
TE modes have no electric field in the direction of propagation and the TM mode has no magnetic field in the direction of propagation. Generally, the field should be perpendicular to the direction...
15 November 2014 8,146 3 View
For example, we consider the shape of the rain drop as spherical and do mathematical calculations to study interaction of electromagnetic radiation. For snow, the shape of the crystal was...
13 November 2014 1,864 3 View
I know that is possible to measure it by the SAR (Specific absorption rate) method, but I’m seeking a more practical way to do so or a device that can measure it.If there is none, is there any...
11 November 2014 1,214 5 View
11 November 2014 9,197 3 View
11 November 2014 790 4 View
jpeg file is attached with this question . Dimensions are also mentioned in this diagram. This design is made in hfss2013. FR4 substrate thickness 1.6mm semi circle ground of radius 15mm is there...
12 October 2014 9,775 9 View
I have recently carried out some radiation pattern measurements in a Satimo anechoic chamber. Since my antenna system has tunable elements (diodes), I am worried about the non-linear effect of...
10 October 2014 5,400 2 View
10 October 2014 7,867 10 View