NP-complete - Revision history

en>Yobot: WP:CHECKWIKI error fixes using AWB (10505)

2014-12-06T07:55:10Z

WP:CHECKWIKI error fixes using AWB (10505)

← Older revision		Revision as of 09:55, 6 December 2014
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	~~Hello from France~~. I'~~m glad~~ to ~~came here~~. ~~My first name~~ is ~~Abbey~~. <br>I ~~live~~ in ~~a city called Bethune~~ in ~~western France~~.<br>I was ~~also born~~ in ~~Bethune 31 years ago~~. ~~Married~~ in ~~May year 2012~~. I'~~m working at~~ the the ~~office~~.<br><br>~~my web page~~: [http://tinyurl.com/kecvhhb http://tinyurl.com/kecvhhb]		For me, the most effective explanation to use the DJI-branded gimbal is that the controller board is constructed into the key Phantom 2 board. This makes the DJI gimbal the lightest and lowest-profile gimbal for the Phantom two. You can use the normal landing gear and have a lot of clearance for the gimbal and camera. Third-celebration gimbals need that you extend the landing gear, which is simply carried out, but is not excellent. Some people today have also place a tiny layer of Sorbothane between the gimbal mount and the Phantom, with great outcomes. After you've mastered flight and have a stable camera through a brushless gimbal, you're prepared for first-person view (FPV). By utilizing a video transmitter on the quadcopter and a video receiver connected to a monitor or goggles, [http://tinyurl.com/kecvhhb ugg boots sale] you can see specifically what the camera on your quadcopter is seeing, in real time.<br><br>The $700 Phantom was a major deal in the RC quad community because it was one thing that didn't need considerably work to get flying, however had the muscle and hardware flexibility that hobbyists wanted. If you search YouTube or Vimeo, you'll discover hundreds of videos shot with GoPros attached [http://tinyurl.com/kecvhhb http://tinyurl.com/kecvhhb] to Phantoms-that common " Superman with a GoPro " video released earlier this month was shot with a Phantom two. The Phantom 2 Vision+ inherits its predecessors' ease-of-flying, and is shockingly straightforward to get off the ground. The hour it requires to charge the 5200mAh was just sufficient time to study by way of the documentation, and I was ready to place the quadcopter in the air to start out practicing. This is some thing that we did not truly appreciate about DJi's Phantom line of quadcopters until taking it out to fly in the field. In our extremely short hands-on time with the Phantom 2 at CES , it was clear that the Phantom was astable quadcopter. Its other use of GPS telemetry is actually incredible. This is my very first RC toy.<br><br>No expense was spared throughout its improvement, resulting in a GoPro that is 30% smaller sized, 25% lighter & 2X more potent than previous models. The GoPro HD Hero series are digital cameras that you can put on [http://browse.deviantart.com/?qh=&section=&global=1&q=oneself oneself] or mount on your cars or surfboards so you can take your personal action videos and pictures. If you liked this report [http://tinyurl.com/kecvhhb cheap ugg boots] and you would like to obtain a lot more info concerning Best Drone With Camera kindly stop by our web site. Even though in flight, the Parrot AR.Drone two.0's front camera transmits actual-time what the quadricopter sees onto the pilot's device screen.<br><br>With the press of a button, the multirotor can automatically perform loops and rolls, or switch involving two flying modes - a subdued, much less aggressive mode for newcomers and a quicker mode for skilled pilots. [http://tinyurl.com/kecvhhb http://tinyurl.com/kecvhhb] A [http://tinyurl.com/kecvhhb ugg boots sale] further two buttons turn video recording on and off, and signal the quad to take a photo - it's easy to use and takes great shots. Just after your flight, you can [http://tinyurl.com/kecvhhb ugg boots sale] view the photographs and video by plugging the MicroSD Card into your pc. The wall charger will fill the incorporated battery in about an hour and yield roughly seven minutes of flying time (this will vary depending on images and video you take). Take photo or video with the onboard camera and shop it on the incorporated 2GB MicroSD Card. RTF and Tx-R versions both consist of 1S 250mAh LiPo battery, USB LiPo battery charger and 4 extra rotor blades. The 1SQ V-Cam's micro camera measures only 1-1/two" x three/four" x 1/three". An onboard LED shows when the camera is recording.<br><br>There's also an integrated GPS program that enables you to set an autonomous path or retain the Phantom in the similar spot in winds of up to 25 miles per hour, though the DJI Vision app lets you preview footage and access altitude, distance and battery strength through shoots. There is way also significantly lag in the video to be able to fly it by the camera alone.<br><br>But I considering the fact that learned to appreciate the GPS capabilities of the Phantom two Vision+, which is the technology that definitely makes the quadcopter appear magical. But once the lights blink a steady green pulse, that implies that the quad is not only prepared to fly, but has signal and lock on GPS satellites. That GPS lock is what tends to make the Phantom not only an RC quadcopter, but a drone.<br><br>Whilst we have rated it Advanced Newcomers, it would suit a total newbie (noob, newbie) if they removed the camera and learned the basic operation outside in calm winds or inside in a really massive region. The V959 is really steady and tame, which is most effective for video - and the percentage settings on the transmitter allow for a lot more aggressive moves - but beware, the resulting videos are likely to give you and your audience motion sickness.<br><br>Two Flight Manage Modes: With the constructed-in Naza-M autopilot system plus a GPS module, the Phantom has GPS Altitude mode and Altitude Handle Mode. Typically, the forward direction of a flying multi-rotor technique is the similar as the nose direction. Failsafe Function & Naza-M Autopilot System: Phantom also has the failsafe function of the Naza-M autopilot method. If the GPS signal is fantastic adequate, the program will automatically trigger the Return To Property function for a safe landing.<br><br>The video from the front mounted camera is what you will use to fly (or steer) the quad in the air devoid of needing line of sight view - you see what the copter is seeing. But the most crucial point is that it is a hobby-grade quad that has a a great deal extra flight power than a mini-quad or the AR.Drone.

en>ArnoldReinhold: AES is solvable in constant time. Undid revision 596266800 by 131.181.251.130 (talk)

2014-02-20T03:41:41Z

AES is solvable in constant time. Undid revision 596266800 by 131.181.251.130 (talk)

← Older revision		Revision as of 05:41, 20 February 2014
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	~~[[Image:Psidial~~.~~jpg\|thumb\|250px\|A [[pressure gauge]] reading in psi (red scale) and [[kPa]] (black scale)]]~~		Hello from France. I'm glad to came here. My first name is Abbey. <br>I live in a city called Bethune in western France.<br>I was also born in Bethune 31 years ago. Married in May year 2012. I'm working at the the office.<br><br>my web page: [http://tinyurl.com/kecvhhb http://tinyurl.com/kecvhhb]
	~~The~~ '''pound per square inch''' or, more accurately, '''pound-force per square inch''' (symbol: '''psi''' or '''lbf/in<sup>2</sup>''' or '''lb<sub>f</sub>/in<sup>2</sup>''' or '''lbf/sq in''' or '''lb<sub>f</sub>/sq in''')/ '''pressure per square inch''' is a unit of [[pressure]] or of [[stress (physics)\|stress]] based on [[avoirdupois]] units. It has been largely replaced by the [[pascal (unit)\|pascal]]. It is the pressure resulting from a force of one [[pound-force]] applied to ~~an area of one [[square inch]]:~~

	~~Using unit conversion:~~

	~~1 psi = <math> \frac{1 \text{ lbf}} {(1 \text{ in})^2} = \frac{4.4482216152605 \text{ N}} {(0.0254 \text{ m})^2} </math> ≈ 6894~~.~~757293168 N/m²~~

	~~Therefore, one pound per square inch~~ is ~~approximately 6894~~.~~757 [[Pascal (unit)\|Pa]].~~

	~~Now converting the psi to [[atmosphere (unit)\|standard atmospheres]]:~~

	<~~math~~> ~~\frac{1 \text{ psi}}{ 6894.757293 \text{ Pa}}~~
	~~\cdot \frac{1.01325 \text { x} \ 10^5 \text{ Pa}}{1 \text{ atm}}</math> ≈ 14.69594877551 psi/atm~~

	~~Therefore, 1 atmosphere is approximately 14.696 pounds per square inch.~~

	~~'''Pounds per square inch absolute''' ('''psia''') is used to make it clear that the pressure is relative to~~ a ~~vacuum rather than the ambient atmospheric pressure. Since atmospheric pressure at sea level is around 14.7 psi, this will be added to any pressure reading made~~ in air at sea level. The converse is '''pounds per square inch gauge''' or '''pounds per square inch gage''' ('''psig'''), indicating that the pressure is relative to atmospheric pressure. For example a bicycle tire pumped up to 65 psi above atmospheric pressure, will have a pressure of 65 + 14.7 = 79.7 psia or 65 psig.<~~ref~~>~~{{cite web \| url = http://www.uasinc.com/InfoGlossaryP.aspx \|~~
	~~title = Glossary of Industrial Air Cleaning Technology~~
	~~\| work = United Air Specialists, Inc~~
	~~}}</ref><ref>{{cite web \| url = http://www.dynisco.com/stuff/contentmgr/files/1/162fe0347e667528bd874845e66a40ef/pdf/gageabspress.pdf~~
	~~\| title = Gage v. Sealed v~~. ~~Absolute pressure \| work = Dynisco }}</ref>~~

	~~== ksi ==~~
	~~The '''kilopound per square inch''' is a scaled unit derived from psi, equivalent to a thousand psi.~~

	~~ksi are not widely used for gas pressures. They are mostly used~~ in ~~[[materials science]], where the [[tensile strength]] of a material is measured as a large number of psi.~~

	~~== Magnitude ==~~
	~~{{main\|Orders of magnitude (pressure)}}~~

	~~In liquid: pressure per square inch (psi)~~
	* [[Blood Pressure]] – Average human blood pressure (120/80): 2.32 psi/1.~~55 psi~~
	* [[Water jet cutter]]: 40,000–100,000 psi
	* Commercial jet airliner hydraulic pressure: 3000 psi
	* Boost Pressure Provided By an Automotive [[Turbocharger]](common):'~~'P''<sub>g</sub> = 6–15 psi~~
	* [[Atmospheric pressure]] at ~~sea level (standard): ''P''<sub>a</sub> = 14~~.~~7 psi~~
	* Automobile tyre overpressure (common): ''P''<~~sub~~>g<~~/sub~~> ~~= 32 psi~~
	* Bicycle tyre overpressure (common): ~~''P''<sub>g</sub> = 65 psi~~
	* Workshop or garage air tools: ''P''<sub>g</sub> = 90 psi
	* [[Air brake (rail)]] or [[Air brake (road vehicle)]] reservoir overpressure (common): 90 psi ≤ ''P''<sub>g</sub> ≤ 120 psi
	* Road racing bicycle tire overpressure: ''P''<sub>g</sub> = 120 psi
	* Steam locomotive [[fire tube boiler]] (UK, 20th century): 150 psi ≤ ''P''<sub>g</sub> ≤ 280 psi
	* [[Union Pacific Big Boy]] [[Steam locomotive#Boiler\|steam locomotive boiler]]: 300 psi
	* Natural gas pipelines: 800 to 1000 psi
	* Full SCBA Self Contained Breathing Apparatus for toxic atmospheres: 2216 psi
	* Full [[Scuba set\|scuba]] tank overpressure (common): ''P''<sub>g</sub> = 3000 psi
	* [[Airbus A380]] hydraulic system: 5000 psi
	* Ultimate strength of ASTM [[A36 steel]]: 58,000 psi
	* [[Inch of water]]: 0.036 psi

	~~== Conversions ==~~
	~~{{Pressure Units}}~~

	~~== See also ==~~
	* [[Conversion of units#Pressure or mechanical stress\|Conversion of units: Pressure or mechanical stress]]
	* [[Pressure#Units\|Pressure: Units]]

	~~== References ==~~
	~~{{reflist}}~~

	~~== External links ==~~
	* [http://~~www.aeroconsystems~~.com/~~electronics/Pressure_transducer_basics/Transducer_primer.htm Pressure measurement primer]~~
	* [http://~~www.imperialtometric~~.com/~~conversion_en.htm Online pressure conversions]~~

	~~[[Category:Units of pressure]]~~
	~~[[Category:Customary units of measurement in the United States]]~~
	~~[[Category:Imperial units]~~]

en>Mark viking: Added a few extra words of explanation to 2nd and 3rd paras

2014-01-09T22:30:12Z

Added a few extra words of explanation to 2nd and 3rd paras

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24.251.143.206: Unclear sentence structure

2012-09-01T16:39:12Z

Unclear sentence structure

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