Geopotential height - Revision history

en>Cherkash: inline math

2014-05-21T23:51:23Z

inline math

← Older revision		Revision as of 01:51, 22 May 2014
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	~~A '''wavenumber–frequency diagram''~~' is ~~a [[plot (graphics)\|plot]] displaying the relationship between the [[wavenumber]] (spatial frequency) and the [[frequency]] (temporal frequency) of certain phenomena~~. ~~Usually frequencies are placed on the vertical axis, while wavenumbers are placed on the horizontal axis~~.~~<ref name="fleagle">{{cite book\| author = R.G. Fleagle, J.A. Businger\| title = An introduction to atmospheric physics\| url = http://books~~.~~google.com/?id=u7YItwAACAAJ\| year = 1990\| publisher = [[Academic Press]]\| isbn = 978-0-12-260355-6\| pages = 183–198 }}~~<~~/ref~~><~~ref name="pedlosky"~~>~~{{cite book\| author = J. Pedlosky\| title = Geophysical fluid dynamics\| url =~~ http://~~books~~.~~google~~.~~com~~/~~?id=FXs-uRSDBFYC\| edition = 2nd\| year = 1998\| publisher = [[Springer (publisher)\|Springer]]\| isbn = 978-0~~-~~387~~-~~96387~~-~~7\| pages = 676–678 }}</ref>~~		I would like to introduce myself to you, I am Andrew and my wife doesn't like it at all. To climb is something she would by no means give up. Her family life in Ohio. I am an invoicing officer and I'll be promoted soon.<br><br>my blog post: online psychic reading ([http://www.dens-therapy.ru/content/things-know-if-you-would-grow-garden-tips http://www.dens-therapy.ru])

	~~In the [[atmospheric science]]s, these plots are a common way to visualize [[atmospheric wave]]s.~~

	~~In the [[geoscience]]s, especially seismic data analysis, these plots also called f~~-~~k plot, in which energy density within a given time interval is contoured on a frequency~~-~~versus~~-~~wavenumber basis. They are used to examine the direction and apparent velocity of seismic waves and in velocity~~-~~filter design.~~

	~~==Origins==~~

	~~In general, the relationship between [[wavelength]] ''λ'', [[frequency]] ''ν'', and the [[phase velocity]] ''v''<sub>p</sub> of a sinusoidal wave is:~~

	~~:<math>v_\text{p} = \lambda \nu </math>~~

	~~Since the [[wavenumber]] ''k'', is the inverse of wavelength (''k'' = 1/''λ'') the previous equation can be rewritten as~~

	:~~<math>v_\text{p} = \frac{\nu}{k}<~~/~~math>~~

	~~On the other hand, the [[group velocity]] is equal to the [[slope (mathematics)\|slope]] of the wavenumber–frequency diagram:~~

	~~:<math>v_\text{g} = \frac{\partial\nu}{\partial k} <~~/~~math>~~

	Analyzing such relationships in detail often yields information on the [[physical property\|physical properties]] of the [[transmission medium\|medium]], such as [[density]], [[wikt:composition\|composition]], etc.

	~~==See also==~~

	* [[Dispersion relation]]

	~~==References==~~

	~~{{reflist}}~~

	~~{{DEFAULTSORT:Wavenumber~~-~~frequency diagram}}~~
	~~[[Category:Wave mechanics]]~~
	~~[[Category:Diagrams]~~]

en>Curryc: Added link to Wikipedia page on Standard gravity

2013-11-27T20:22:18Z

Added link to Wikipedia page on Standard gravity

← Older revision		Revision as of 22:22, 27 November 2013
Line 1:		Line 1:
	~~If you have~~ a ~~hemorrhoid flare up~~, the ~~initially thing you want to do is treat the hemorrhoids themselves~~. ~~Best Hemorrhoid Treatment Click Here You could need to try a topical drugs~~. ~~For those wanting to employ a natural remedy~~, ~~vitamin E applied straight~~ to ~~the skin works perfectly in many situations~~. ~~You can purchase many over~~-~~the~~-~~counter goods that will assist you and tell you how to do away with hemorrhoids. This might reduce the flare up and take care of the pain and irritation you're having inside the brief term.~~<br><br>~~Later I did find out he had hemorrhoidectomy operation~~. ~~At the time I wondered if operation was the best [~~http://~~hemorrhoidtreatmentfix~~.com/~~internal~~-~~hemorrhoids internal hemorrhoids~~] ~~for him. I didn't understand anything regarding hemorrhoids back then.~~<br>~~<br>Because bowel disorders~~ are ~~the most~~ common ~~cause of hemorrhoids, we should do something~~ to ~~better~~ the ~~health of your digestive system~~. ~~One great method is~~ to ~~eat healthy. Prepare a thick gravy~~ of ~~rice plus blend this with a full glass of buttermilk~~ and ~~sliced bananas~~. ~~Have this for breakfast~~ and ~~for an afternoon snack. Not just is this filling plus nutritious, it~~'~~s moreover especially yummy. Add glucose to taste. You should see results within a week.~~<br><br>~~Other techniques to reduce oneself~~ of ~~pain plus discomfort~~ is ~~to employ aloe vera. It will enable stop the itching plus burning. Also, getting fiber supplements may help you. It'll make it possible for you to have a bowel motion.~~<br><br>~~Right today, there are a lot of hemorrhoid treatments. And yes, there are~~ the ~~painless hemorrhoid treatments also available. Examples of such as employ of petroleum jelly~~, the ~~utilization~~ of ~~ointment phenylephrine or Preparation H, plus even the easy use of soft cotton underwear. These are typically painless for with them you don~~'~~t have to go beneath~~ the ~~knife.~~<br><br>~~One of~~ the ~~greatest methods of relieving yourself from~~ the ~~pain plus itchiness~~ is to ~~soak in a warm Sitz shower. Do this for regarding 10 to 15 minutes, several occasions a day. Warm water relaxes~~ the ~~muscles and reduces~~ the swelling. You can furthermore apply coconut oil to the affected area. It might have a soothing impact though it won't last which lengthy. Applying witch hazel can also help soothe the pain and itch. It decreases the bleeding plus minimizes the swelling.<br><br>~~These hemorrhoid treatments because revealed above are considered to become~~ the ~~many popular techniques which have been employed by numerous people. However, if you have tried these techniques plus they cannot aid we, then we need to see~~ the ~~doctor~~, ~~which is extremely possible that you are suggested to try a surgical solution. Although surgery is considered to be an powerful answer~~, ~~however there are several risks involved. Besides~~, ~~it is actually pretty pricey and it can take longer to heal because well~~.		A '''wavenumber–frequency diagram''' is a [[plot (graphics)\|plot]] displaying the relationship between the [[wavenumber]] (spatial frequency) and the [[frequency]] (temporal frequency) of certain phenomena. Usually frequencies are placed on the vertical axis, while wavenumbers are placed on the horizontal axis.<ref name="fleagle">{{cite book\| author = R.G. Fleagle, J.A. Businger\| title = An introduction to atmospheric physics\| url = http://books.google.com/?id=u7YItwAACAAJ\| year = 1990\| publisher = [[Academic Press]]\| isbn = 978-0-12-260355-6\| pages = 183–198 }}</ref><ref name="pedlosky">{{cite book\| author = J. Pedlosky\| title = Geophysical fluid dynamics\| url = http://books.google.com/?id=FXs-uRSDBFYC\| edition = 2nd\| year = 1998\| publisher = [[Springer (publisher)\|Springer]]\| isbn = 978-0-387-96387-7\| pages = 676–678 }}</ref>

			In the [[atmospheric science]]s, these plots are a common way to visualize [[atmospheric wave]]s.

			In the [[geoscience]]s, especially seismic data analysis, these plots also called f-k plot, in which energy density within a given time interval is contoured on a frequency-versus-wavenumber basis. They are used to examine the direction and apparent velocity of seismic waves and in velocity-filter design.

			==Origins==

			In general, the relationship between [[wavelength]] ''λ'', [[frequency]] ''ν'', and the [[phase velocity]] ''v''<sub>p</sub> of a sinusoidal wave is:

			:<math>v_\text{p} = \lambda \nu </math>

			Since the [[wavenumber]] ''k'', is the inverse of wavelength (''k'' = 1/''λ'') the previous equation can be rewritten as

			:<math>v_\text{p} = \frac{\nu}{k}</math>

			On the other hand, the [[group velocity]] is equal to the [[slope (mathematics)\|slope]] of the wavenumber–frequency diagram:

			:<math>v_\text{g} = \frac{\partial\nu}{\partial k} </math>

			Analyzing such relationships in detail often yields information on the [[physical property\|physical properties]] of the [[transmission medium\|medium]], such as [[density]], [[wikt:composition\|composition]], etc.

			==See also==

			* [[Dispersion relation]]

			==References==

			{{reflist}}

			{{DEFAULTSORT:Wavenumber-frequency diagram}}
			[[Category:Wave mechanics]]
			[[Category:Diagrams]]

en>Helpful Pixie Bot: ISBNs (Build J/)

2012-03-24T12:43:30Z

ISBNs (Build J/)

New page

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