Frequency separation - Revision history

en>Monkbot: Task 2: Fix CS1 deprecated coauthor parameter errors (bot trial)

2014-04-12T12:07:04Z

Task 2: Fix CS1 deprecated coauthor parameter errors (bot trial)

← Older revision		Revision as of 14:07, 12 April 2014
Line 1:		Line 1:
	~~[[Maxwell's equations]] describe~~ the ~~behavior of [[electromagnetic fields]]; [[electric field]], [[electric displacement field]], [[magnetic field]] and [[magnetic field strength]]~~. ~~The differential forms of these equations require that there~~'s always an [~~[open neighbourhood]] around the point they're applied to, otherwise the vector fields '''E''', '''D''', '''B''' and '''H''' are not [[differentiable]]~~. ~~In other words the medium must be continuous~~. ~~On the interface of two different medium with different values for electrical [[permittivity~~]~~] and magnetic~~ [~~[Permeability (electromagnetism)\|permeability]] that doesn't apply~~.		Hello. Allow me home std test kit introduce the author. Her title is Refugia Shryock. In her expert lifestyle she is a payroll clerk but she's always needed her [http://www.yellowpages.com/hialeah-fl/free-std-testing-centers personal company]. [http://www.pathwayschico.org/blogs/post/216965 over the counter std test] favorite pastime for my children and me is to play baseball and I'm trying to home std test make it a [http://Www.thestdproject.com/pictures-of-stds-what-does-herpes-look-like/ occupation]. South Dakota is her beginning location but she needs to move simply because of her family.<br><br>Feel free to visit my weblog - std testing [http://www.alemcheap.fi/show/the-way-to-cure-an-unpleasant-candidiasis at home std test] home ([http://www.animecontent.com/user/QKPA visit the following web site])

	~~However the interface conditions for the electromagnetic field vectors can be derived from the integral forms of Maxwell's equations~~.

	~~==Interface conditions for electric field vectors==~~
	~~=== For electric field ===~~

	~~:<math>\mathbf{n}_{12} \times (\mathbf{E}_2 - \mathbf{E}_1) = \mathbf{0} <~~/~~math>~~

	~~where: <br~~ />
	~~<math>\mathbf{n}_{12}<~~/~~math>~~ is ~~[[normal vector]] from medium 1~~ to ~~medium 2.~~

	~~Therefore the~~ [~~[tangential component]] of '''E''' is continuous across the interface.~~

	~~=== For electric displacement field ===~~

	:~~<math>(\mathbf{D}_2 - \mathbf{D}_1) \cdot \mathbf{n}_{12} = \rho_{s} <~~/~~math>~~

	~~where: <br~~ />
	~~<math>\mathbf{n}_{12}</math> is [[normal vector]] from medium 1 to medium 2~~.~~<br~~ />
	~~<math>\rho_{s}<~~/~~math> is the [[surface charge~~]~~] between the media~~.

	~~Therefore the normal component of '''D''' has a step~~ of ~~surface charge on the interface surface~~. ~~If there's no surface charge on the interface, the normal component of '''D''' is continuous.~~

	~~==Interface conditions for magnetic field vectors==~~
	~~=== For magnetic field ===~~

	:<~~math~~>~~(\mathbf{B}_2 - \mathbf{B}_1) \cdot \mathbf{n}_{12} = 0 </math>~~

	~~where:~~ <br />
	~~<math>\mathbf{n}_{12}</math> is [[normal vector]] from medium 1~~ to ~~medium 2.~~

	~~Therefore the normal component of '''B''' is continuous across the interface.~~

	~~=== For magnetic field strength ===~~
	~~:<math>\mathbf{n}_{12} \times (\mathbf{H}_2~~ - ~~\mathbf{H}_1) = \mathbf{j}_s </math>~~

	~~where~~: ~~<br~~ />
	~~<math>\mathbf{n}_{12}<~~/~~math> is [[normal vector]] from medium 1 to medium 2~~.~~<br~~ />
	~~<math>\mathbf{j}_s<~~/~~math> is~~ the ~~surface [[current density]] between the two media.~~

	~~Therefore the [[tangential component]] of '''H''' is continuous across the surface if there's no surface current present.~~

	~~== See also ==~~
	* [[Maxwell's equations]]

	~~== References ==~~
	*{{cite book \| author=John R. Reitz,Frederick J. Milford, Robert W. Christy\|title=Foundations of Electromagnetic theory (4th ed.)\| publisher=Addison-~~Wesley \|year=1993 \|isbn=0~~-~~201~~-~~52624~~-~~7}}~~

	[~~[Category~~:~~Electromagnetism~~]]


	~~{{Electromagnetism-stub}}~~

en>Andrewman327: clean up of articles listed as "needing cleanup" using AWB (8759)

2013-01-01T11:52:31Z

clean up of articles listed as "needing cleanup" using AWB (8759)

← Older revision		Revision as of 13:52, 1 January 2013
Line 1:		Line 1:
	~~Nice~~ to ~~meet you~~, ~~my name is Figures Held though I don~~'t ~~truly like being called like that~~. ~~Bookkeeping~~ is ~~her day job now~~. ~~Playing baseball~~ is the ~~hobby he will never stop doing~~. ~~South Dakota~~ is ~~exactly where me and my husband live and my family loves it~~.<br><br>~~Check out my blog~~ ... ~~home std test kit~~ ([~~http~~://~~change-university~~.~~com~~/~~groups~~/~~curing~~-~~your~~-~~yeast~~-~~infection~~-~~how~~-~~to-accomplish-it-easily/ just click the following document])~~		[[Maxwell's equations]] describe the behavior of [[electromagnetic fields]]; [[electric field]], [[electric displacement field]], [[magnetic field]] and [[magnetic field strength]]. The differential forms of these equations require that there's always an [[open neighbourhood]] around the point they're applied to, otherwise the vector fields '''E''', '''D''', '''B''' and '''H''' are not [[differentiable]]. In other words the medium must be continuous. On the interface of two different medium with different values for electrical [[permittivity]] and magnetic [[Permeability (electromagnetism)\|permeability]] that doesn't apply.

			However the interface conditions for the electromagnetic field vectors can be derived from the integral forms of Maxwell's equations.

			==Interface conditions for electric field vectors==
			=== For electric field ===

			:<math>\mathbf{n}_{12} \times (\mathbf{E}_2 - \mathbf{E}_1) = \mathbf{0} </math>

			where: <br />
			<math>\mathbf{n}_{12}</math> is [[normal vector]] from medium 1 to medium 2.

			Therefore the [[tangential component]] of '''E''' is continuous across the interface.

			=== For electric displacement field ===

			:<math>(\mathbf{D}_2 - \mathbf{D}_1) \cdot \mathbf{n}_{12} = \rho_{s} </math>

			where: <br />
			<math>\mathbf{n}_{12}</math> is [[normal vector]] from medium 1 to medium 2.<br />
			<math>\rho_{s}</math> is the [[surface charge]] between the media.

			Therefore the normal component of '''D''' has a step of surface charge on the interface surface. If there's no surface charge on the interface, the normal component of '''D''' is continuous.

			==Interface conditions for magnetic field vectors==
			=== For magnetic field ===

			:<math>(\mathbf{B}_2 - \mathbf{B}_1) \cdot \mathbf{n}_{12} = 0 </math>

			where: <br />
			<math>\mathbf{n}_{12}</math> is [[normal vector]] from medium 1 to medium 2.

			Therefore the normal component of '''B''' is continuous across the interface.

			=== For magnetic field strength ===
			:<math>\mathbf{n}_{12} \times (\mathbf{H}_2 - \mathbf{H}_1) = \mathbf{j}_s </math>

			where: <br />
			<math>\mathbf{n}_{12}</math> is [[normal vector]] from medium 1 to medium 2.<br />
			<math>\mathbf{j}_s</math> is the surface [[current density]] between the two media.

			Therefore the [[tangential component]] of '''H''' is continuous across the surface if there's no surface current present.

			== See also ==
			* [[Maxwell's equations]]

			== References ==
			*{{cite book \| author=John R. Reitz,Frederick J. Milford, Robert W. Christy\|title=Foundations of Electromagnetic theory (4th ed.)\| publisher=Addison-Wesley \|year=1993 \|isbn=0-201-52624-7}}

			[[Category:Electromagnetism]]


			{{Electromagnetism-stub}}

en>Helpful Pixie Bot: ISBNs (Build KE)

2012-05-08T11:47:50Z

ISBNs (Build KE)

New page

Nice to meet you, my name is Figures Held though I don't truly like being called like that. Bookkeeping is her day job now. Playing baseball is the hobby he will never stop doing. South Dakota is exactly where me and my husband live and my family loves it.<br><br>Check out my blog ... home std test kit ([http://change-university.com/groups/curing-your-yeast-infection-how-to-accomplish-it-easily/ just click the following document])