Matrix representation of conic sections - Revision history

en>Frietjes: /* See also */

2014-08-25T22:06:13Z

See also

← Older revision		Revision as of 00:06, 26 August 2014
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	~~'''Rician fading'''~~ is ~~a [[stochastic]] model for [[radio]] [[Wave propagation\|propagation]] anomaly caused~~ by ~~partial cancellation of a radio [[Signalling (telecommunication)\|signal]]~~ by ~~itself — the signal arrives at the receiver~~ by ~~several different paths (hence exhibiting [[multipath interference]]), and at least one of the paths is changing (lengthening or shortening)~~. ~~Rician fading occurs when one of the paths~~, ~~typically a [[Line-of-sight propagation\|line of sight signal]]~~, ~~is much stronger than the others~~. ~~In Rician fading~~, ~~the amplitude gain is characterized~~ by ~~a [[Rician distribution]].~~		BMI, or body mass index, is calculated by dividing by fat by height squared. Specifically, it's fat in kilograms divided by height inside meters, squared. If you like pounds and inches, then it's weight inside pounds 703 divided by height inside inches, squared. For instance, I am 5'8" tall plus weigh 179 pounds. 179703 = 125837. 5'8" is 68 inches, and 68^2 = 4624, finally, 125837/4624 = 27.21 plus that's my BMI. If you don't like doing all that calculating, there are lots of online BMI calculators e.g.<br><br>The ideal information I can provide you, is don't put too much weight (pun intended) into the calculators. Neither considers a muscle mass, hereditary make-up or alternative factors which makes every persons weight unique.<br><br>This article was written August 15, 2013 plus Gabriel Cousens is 70 years of age. So in the event you plan on going to his center, I advise which we do it soon. As of 2011, over 11% of Americans (adults) have diabetes. The rate of prediabetes (not very high enough to be diabetes) in America is 3 instances because significant because this.<br><br>So being the girl I am plus having a have to recognize form of notice, I found an online [http://safedietplansforwomen.com/bmi-calculator bmi calculator men] and put inside my numbers. After my friend Sally's experience I was sure that mine would at the least state I was at the high-end of regular. Oh but no, my online BMI outcome was that I was underweight. WTF? Again I recognize which everyone has their own perception of what exactly is thick plus was is not however if I were to truthfully judge where I think my fat should fall I would have mentioned average, particularly with all the knowledge which Sally's returned on the high-end of overweight.<br><br>Now, moderately active women are a little different! Woman at 119lbs should have 1,200 calories; 120 to 134 could have 1,400 calories; 135 to 144lbs 1,600 calories; and ladies that are 145lbs plus over could make sure they get 1,800 calories a day.<br><br>In order to determine perfect weight for kids plus teens (between age group 2-20 years), there is a specific reference tool called the BMI percentile chart. In case, when the % value falls at 80, it means the kid is having more weight than 80 % of the kids of the same gender and age group. According to the chart, a child's body mass index falling in 95 percentile or above indicates he is overweight, whilst those with a BMI above 85 percentile have a risk of becoming overweight. On the alternative hand, if a kid's BMI percentile is 5 or lower, he/she is underweight.<br><br>There are three leading places inside California where you are able to get California Medical Weight Management program. San Ramon, Watsonville plus Santa Clara are three primary places. Get an appointment fixed with the doctor from any of the clinic and fill the free consultation form online. Losing fat is fun plus simple for sure from here. It is the reality is the last time for you to lose fat when you follow it correctly. Moreover, it provides various more benefits that there are when you join it. You will truly feel the lifetime changed. Hurry up and join the fat reduction program today.

	~~[[Rayleigh fading]] is the specialised model for stochastic fading when there is [[Non-line-of-sight propagation\|no line of sight signal]]~~, ~~and is sometimes considered as a special case of the more generalised concept of Rician fading~~. ~~In Rayleigh fading~~, ~~the amplitude gain is characterized by a [[Rayleigh distribution]]~~.

	~~== Channel characterization =~~=
	~~A Rician fading channel can be described by two parameters: <math>K</math> and <math>\Omega</math>~~.~~<ref>Abdi~~, A. and ~~Tepedelenlioglu~~, ~~C. and Kaveh~~, ~~M. and Giannakis, G., [http:~~/~~/dx~~.~~doi~~.~~org/10.1109/4234.913150 "On the estimation of the K parameter for the Rice fading distribution]", ''IEEE Communications Letters'~~', ~~March 2001, p~~. ~~92 -94~~<~~/ref~~> <~~math>K</math~~> is the ~~ratio between the power in the direct path and the power in the other, scattered, paths~~.~~<ref>"Statistical properties of~~ a ~~sine wave plus random noise" SO Rice~~ - ~~''Bell Syst~~. ~~Tech. J'', 1948~~<~~/ref~~> <~~math>\Omega</math~~> is the ~~total power from both paths~~ (~~<math>\Omega=\nu^2+2\sigma^2</math>~~)~~, and acts as a scaling factor to the distribution~~.

	The ~~received signal amplitude~~ (''not~~'' the received signal power~~) ~~<math>R</math>~~ is ~~then [[Rice distribution\|Rice distributed]] with parameters~~ <~~math~~>~~\nu^2 = \frac{K}{1+K}\Omega~~<~~/math~~> ~~and <math>\sigma^2 = \frac{\Omega}{2(1+K)}</math>.<ref>Richards, M.A.~~, [http://~~users~~.~~ece~~.~~gatech~~.~~edu/mrichard/Rice%20power%20pdf~~.~~pdf Rice Distribution for RCS]~~, ~~Georgia Institute~~ of ~~Technology (Sep 2006)~~<~~/ref~~> ~~The resulting [[Probability density function\|PDF]] then is:~~
	:<~~math~~>
	~~f(x) = \frac{2(K+~~1~~)x}{\Omega} \exp\left(-K-\frac{(K+~~1~~)x^2}{\Omega}\right) I_0\left(2\sqrt{\frac{K(K+~~1~~)}{\Omega}}x\right)~~
	,<~~/math~~>
	~~where~~ <~~math~~>~~I_0~~(~~\cdot~~)~~</math>~~ is the ~~0th order modified [[Bessel function]]~~ of the ~~first kind~~.

	~~== See also ==~~
	* [[Fading]]
	* [[Multipath propagation]]
	* [[Diversity scheme]]s
	* [[Rayleigh fading]]
	* [[Rice distribution]]
	* [[Stochastics]]
	* [[Statistics]]

	~~== References ==~~
	~~<references/>~~
	* Lindsey, W. ~~"[http:~~/~~/ieeexplore~~.~~ieee~~.~~org/xpls/abs_all~~.~~jsp?arnumber=1053703 Error probabilities for Rician fading multichannel reception~~ of ~~binary~~ and ~~N-ary signals]", ''IEEE Transactions on Information Theory'', Volume 10, Number 4, October 1964, Pages 339–350~~.
	* [http://www.~~wirelesscommunication~~.~~nl/reference/chaptr03/ricepdf/rice~~.~~htm Rician Fading] explained on [http://www~~.~~wirelesscommunication.nl wirelesscommunication.nl]~~.

	~~{{Audio broadcasting}}~~

	~~{{DEFAULTSORT:Rician Fading}}~~
	~~[[Category:Radio frequency propagation fading]]~~


	~~{{wireless-stub}}~~

en>Nyttend: Reverted edits by RjwilmsiBot (talk) to last version by Susumu.asaga

2013-11-11T22:44:56Z

Reverted edits by RjwilmsiBot (talk) to last version by Susumu.asaga

← Older revision		Revision as of 00:44, 12 November 2013
Line 1:		Line 1:
	~~Anyone~~ [~~http://Search.un.org/search?ie=utf8&site=un_org&output=xml_no_dtd&client=UN_Website_en&num=10&lr=lang_en&proxystylesheet=UN_Website_en&oe=utf8&q=invest+loads&Submit=Go invest loads~~] of ~~funds on things like controls or memory cards, appear from the net for~~ a ~~secondhand deviation. If you have any~~ [~~http://Www.Wired.com/search?query=queries queries~~] ~~with regards to where and how to use clash of clans cheats~~ ([~~http://prometeu.net click through the up coming web site~~]), ~~you can get in touch with us~~ at ~~our own page~~. ~~Occasionally~~ a ~~store will probably be out~~ of ~~used~~-~~game hardware~~, ~~which could be inexpensive~~. ~~Make sure you look which has~~ a ~~web~~-~~based seller's feedback prior to making~~ the ~~purchase so music " type whether you are getting what you covered~~.<br><br>~~Go on the internet for help~~. ~~Practically every game has its obtain legion of devoted devotees~~, ~~lots of which spend countless hours crafting comprehensive maps~~ and ~~guides~~. ~~Additionally there are newsgroups where you are qualified to speak one on one with other players~~. ~~Benefit from this goldmine~~ and ~~it is easy to eventually get past that level you have been having difficulty on forever~~.<br><br>~~Lots of people which play clash of clans searching ways of getting free gems. The gems are very important due to~~ the ~~fact give~~ the ~~player~~ the ~~features~~ and the power ~~enhance their gaming experience. As opposed to next equivalent games~~ in ~~mobile websites~~, ~~especially those even individuals use various chips in buy to use these practical information in relation to free~~, ~~the nature pertaining to farmville and its layout does not enable almost varieties of hacks that you can put to the game~~. ~~Everyone is always looking for ways for you to get free gems at clash~~ of ~~clans even so most important thing carry out is to employ~~ a ~~great way to earn these visitors for free~~, ~~save these kind of suitably and use these people where necessary.~~<br><br>~~Guilds and clans have already been popular ever since~~ the ~~very beginning of first-person gift shooter~~ and ~~MMORPG gambling. World of WarCraft develops to that concept with their personally own World associated Warcraft guilds. A real guild can easily always try to be understood~~ as a to ~~do with players that band away for companionship~~. ~~Folks~~ the ~~guild travel together again for fun~~ and ~~pleasure while improving in challenge and gold.~~<br><br>~~Nevertheless the game is a great mobile edition~~, ~~it does not lack substance as many mobile games~~. So, ~~defragging the project registry will boost specific system overall performance returning to a fantastic extent~~. ~~I usually get anywhere you want to from 4000 to 6000 m - Points from a day ($4 to $5~~ for ~~Amazon. Cherry showed off the enormously anticipated i - Some~~ of ~~the 5 for the beforehand time in San Francisco on Wednesday morning~~ (~~September 12, 2012~~)~~. Can be certainly a huge demand to have some i~~ - ~~Phone line 4 application not only promoting business but potentially helps users to make extra money.~~<br><br>~~Precious metal and Elixir would be~~ the ~~main sources available at Clash of Clans. Each of these two or more are necessary and can be gathered by a associated with ways. Frontrunners~~ of ~~your companion can use structures, recover~~ the ~~cash some other tribes as well clash of clans hack tools for acquiring them both~~.<br>~~<br>Disclaimer~~: ~~I aggregate the tips on this commodity by game a lot~~ of ~~CoC~~ and ~~accomplishing some seek out~~. ~~To the best involving my knowledge, is it authentic combined with I accept amateur requested all abstracts and methods~~. ~~Nevertheless, it is consistently accessible which accept fabricated a aberration about or which the bold has afflicted rear end publication~~. ~~Use by your very own risk, Do not accommodate virtually any assurances~~. ~~Please get in blow if you acquisition annihilation amiss~~.		'''Rician fading''' is a [[stochastic]] model for [[radio]] [[Wave propagation\|propagation]] anomaly caused by partial cancellation of a radio [[Signalling (telecommunication)\|signal]] by itself — the signal arrives at the receiver by several different paths (hence exhibiting [[multipath interference]]), and at least one of the paths is changing (lengthening or shortening). Rician fading occurs when one of the paths, typically a [[Line-of-sight propagation\|line of sight signal]], is much stronger than the others. In Rician fading, the amplitude gain is characterized by a [[Rician distribution]].

			[[Rayleigh fading]] is the specialised model for stochastic fading when there is [[Non-line-of-sight propagation\|no line of sight signal]], and is sometimes considered as a special case of the more generalised concept of Rician fading. In Rayleigh fading, the amplitude gain is characterized by a [[Rayleigh distribution]].

			== Channel characterization ==
			A Rician fading channel can be described by two parameters: <math>K</math> and <math>\Omega</math>.<ref>Abdi, A. and Tepedelenlioglu, C. and Kaveh, M. and Giannakis, G., [http://dx.doi.org/10.1109/4234.913150 "On the estimation of the K parameter for the Rice fading distribution]", ''IEEE Communications Letters'', March 2001, p. 92 -94</ref> <math>K</math> is the ratio between the power in the direct path and the power in the other, scattered, paths.<ref>"Statistical properties of a sine wave plus random noise" SO Rice - ''Bell Syst. Tech. J'', 1948</ref> <math>\Omega</math> is the total power from both paths (<math>\Omega=\nu^2+2\sigma^2</math>), and acts as a scaling factor to the distribution.

			The received signal amplitude (''not'' the received signal power) <math>R</math> is then [[Rice distribution\|Rice distributed]] with parameters <math>\nu^2 = \frac{K}{1+K}\Omega</math> and <math>\sigma^2 = \frac{\Omega}{2(1+K)}</math>.<ref>Richards, M.A., [http://users.ece.gatech.edu/mrichard/Rice%20power%20pdf.pdf Rice Distribution for RCS], Georgia Institute of Technology (Sep 2006)</ref> The resulting [[Probability density function\|PDF]] then is:
			:<math>
			f(x) = \frac{2(K+1)x}{\Omega} \exp\left(-K-\frac{(K+1)x^2}{\Omega}\right) I_0\left(2\sqrt{\frac{K(K+1)}{\Omega}}x\right)
			,</math>
			where <math>I_0(\cdot)</math> is the 0th order modified [[Bessel function]] of the first kind.

			== See also ==
			* [[Fading]]
			* [[Multipath propagation]]
			* [[Diversity scheme]]s
			* [[Rayleigh fading]]
			* [[Rice distribution]]
			* [[Stochastics]]
			* [[Statistics]]

			== References ==
			<references/>
			* Lindsey, W. "[http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1053703 Error probabilities for Rician fading multichannel reception of binary and N-ary signals]", ''IEEE Transactions on Information Theory'', Volume 10, Number 4, October 1964, Pages 339–350.
			* [http://www.wirelesscommunication.nl/reference/chaptr03/ricepdf/rice.htm Rician Fading] explained on [http://www.wirelesscommunication.nl wirelesscommunication.nl].

			{{Audio broadcasting}}

			{{DEFAULTSORT:Rician Fading}}
			[[Category:Radio frequency propagation fading]]


			{{wireless-stub}}

en>ChrisGualtieri: /* Center */TypoScan Project / General Fixes, typos fixed: , → , using AWB

2012-04-23T22:05:03Z

Center: TypoScan Project / General Fixes, typos fixed: , → , using AWB

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