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Topic: Beam riding

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	Beam riding - Wikipedia, the free encyclopedia
		Beam-riding guidance leads a missile to its target by means of radar or a laser beam.
		First, an aiming station (possibly mounted in a vehicle) in the launching area directs a narrow radar or laser beam at the enemy aircraft or tank.
		From this stage onwards, the missile attempts to keep itself inside the beam, while the aiming station keeps the beam pointing at the target.
	en.wikipedia.org /wiki/Beam_riding (192 words)

	Aerospaceweb.org \| Ask Us - Missile Guidance
		The beam rider concept relies on an external ground- or ship-based radar station that transmits a beam of radar energy towards the target.
		Beam riding was often used on early surface-to-air missiles but was found to become inaccurate at long ranges.
		Command guidance is similar to beam riding in that the target is tracked by an external radar.
	www.aerospaceweb.org /question/weapons/q0187.shtml (2451 words)

	Guidance systems for mobile craft - Patent 4174818
		Apparatus as claimed in claim 3 wherein the means for projecting the beam is adapted to pulse the beam on and off and for making different parts of the beam distinctive is adapted to change the modulations of at least one said part of the beam between successive pulses.
		The beam 3 has to be of sufficient width to ensure that the missile is not readily lost by its normal movement during flight.
		This modulating input is azimuth and elevation beam motion data, the whole arrangement being such that the positions of the last two pulses in the sequence is dependent upon the motion of the beam in azimuth and elevation respectively.
	www.freepatentsonline.com /4174818.html (4596 words)

	MAN PORTABLE SURFACE-AIR MISSILES
		Beam riding guidance is one of the conceptually simplest techniques available.
		A beam riding missile will be equipped with a set of aft facing antennas (or optical detectors) usually mounted on the tips of its cruciform wings.
		Once the missile has been gathered into the beam the beam riding guidance may be engaged and the missile can then corkscrew its way up the beam until collision with the target.
	www.ausairpower.net /mpsam.html (3891 words)

	SPACE.com -- SPACE.com Exclusive: JPL Accomplishes Laser Sail First
		It could mark the germination of technologies that one day may yield spacecraft that ride at the front of high-powered laser beams, traversing the space between nearby stars at 10 percent the speed of light.
		The team was able to use the laser beam to deflect the sail and pendulum upward, much the way that a breeze would push a windsock hanging at the bottom of a the same swinging arm.
		A sail set in the glare of a laser beam would has tendency to flip out of the beam, just as a paper plate would be tossed out of a high-speed jet of water.
	www.space.com /news/lasersail_000301.html (1460 words)

	Doug's Laser Essay
		If a laser beam was fired on an air tight metal target, there is the possibility that the heat of the beam could warm the air inside the target, causing it to expand rapidly, and pop like a balloon.
		The disadvantage of beam riding is that it requires the launcher and laser to be in the same place, unlike the Copperhead Anti-Tank Round.
		Because the laser's beam is pulsed, it cannot be seen in adverse conditions such as fog, rain, or smoke.
	members.tripod.com /dbunger/original/laser.htm (2905 words)

	Charting (Site not responding. Last check: 2007-11-01)
		If beams do disperse it is possible to have relay stations that receive the widened microwave power beams and transmit a tighter beam to greater distance.
		Beam riding Star Carriers could transport enormous numbers of people between the brighter stars, but dwellers of the Oort Cloud it seems will be isolated.
		Another possibility is the use of giant protium fusion reactors to power propulsion beams that drive mag-sailing ships from the comets and small worlds of the interstellar regions back to the planets of central stars.
	www.moonminer.com /Charting.html (1896 words)

	9news.com \| News \| Garage burglar arrested again (Site not responding. Last check: 2007-11-01)
		Denver Police say 40-year-old Darren Beam Monday is responsible for several garage burglaries in the south Denver area.
		Beam was riding a bike stolen from the 300 block of Steele Street when he was arrested Monday, police said.
		Beam was out on bond for an October burglary arrest.
	www.9news.com /acm_news.aspx?OSGNAME=KUSA&IKOBJECTID=6e423f76-0abe-421a-0151-1d0ba7f45668&TEMPLATEID=0c76dce6-ac1f-02d8-0047-c589c01ca7bf (118 words)

	Army Technology - Information on the RBS 70 Short Range Anti-Aircraft Missile
		The RBS 70 has laser beam riding guidance, riding a laser signal being beamed from its own launch station, rather than being guided from the front towards the reflected signal from a laser designated target.
		The outputs from the laser beam detectors in the tail of the missile are used by an onboard processor to generate the steering and course correction signals to the missile control fins.
		The missile has no seeker head at the front of the missile and the laser beam riding system in the tail of the missile is extremely difficult to jam.
	www.army-technology.com /projects/rbs70 (1100 words)

	Product Review
		Pre-load, by the way means that the beam is raised enough so that when it's flexed by my sitting on it the actual saddle position is right where it should be.
		I remember riding a KM40 for about an hour and feeling there was a layer of neoprene between myself the road.
		But literally on this Griffith Park ride while on my Cervelo I was bouncing up and down on the saddle, wasn't able to read my HRM at times because of the vibration and felt all through the workout like a 007 martini—shaken, (not stirred).
	www.slowtwitch.com /mainheadings/prodreview/tribikes/qualifier.html (2062 words)

	The Ultimate Semi-active radar homing Dog Breeds Information Guide and Reference
		Contrast this with beam riding systems, in which the radar is pointed at the target and the missile keeps itself centered in the beam by listening to the signal at the rear of the missile body.
		This means that the beam riding system is not terribly accurate at long ranges, while SARH is largely independent of range and grows more accurate as it approaches the target -- the "source" of the signal it listens for.
		Another addition is that a beam riding system must accurately track the target at high speeds, typically requiring one radar for tracking and another "tighter" beam for guidance.
	www.dogluvers.com /dog_breeds/SARH (616 words)

	riding sail
		Had the boat not blown beam to the wind, I believe the Danforth would have held.
		The c250 is given to considerable hunting while riding at anchor in any appreciable amount of wind.
		Thicker foils offer more lift than thinner foils do, so a boat like the c250 with a 3:1 length to beam ratio will have a lot of lift and be subject to sailing on their rode.
	www.stewartfam.net /arlyn/ridingsail.html (726 words)

	Trail Riding at Night (Site not responding. Last check: 2007-11-01)
		Trail ride at night when the moon is full and bright for the best night vision possible.
		Run the beam over his hooves, then slowly up his legs, as though you were giving him a bath for the first time.
		Ride with a buddy, and file a "flight plan" with someone before you leave.
	www.equisearch.com /horses_riding_training/trail/eqnightrid637/index.html (804 words)

	Inoled lights from Peter White Cycles
		The top of the beam hits the road much further away from you than does the bottom of the beam, so the top of the beam needs to be brighter.
		The bright part of the Inolight beam is almost 50% wider than the E6, and the total width of the beam is almost twice that of the E6.
		For singletrack riding, the beam should be aimed lower, since you'll normally not be going as fast as you would on a paved road.
	www.peterwhitecycles.com /inoled.asp (6148 words)

	Soviet Weapon Systems (Site not responding. Last check: 2007-11-01)
		The 9K120 Svir/Refleks (AT-11 SNIPER) is a laser-beam riding, antitank missile launched from the main gun of a tank or antitank gun.
		The tank directs a coded beam from a special gunnerÆs sight, which creates a laser "funnel" with the missile riding in the center.
		The ammunition nomenclature is 3UBK14 and consists of the 9M119 missile, a reduced charge propellant casing, and a spacer plug which seats the missile properly into the main gun.
	www.desert-storm.com /VetPages/SMcDonald/AT-11.html (197 words)

	The Aftermarket Lights FAQ.htm
		this will prevent overloading your wires and your high beam switch and still allow you to integrate a separate switch into the circuit between the high beam wire and the relay in order to deactivate the aux lights and still be able to use the high beam.
		Riding out in the boondocks at night, the difference between just the stock headlight and with the auxillary lights is almost like night and day.
		When installed, the units act as additional brake lights that are off during normal riding, blink for 5 seconds when the brakes are first applied, and stay on bright until the brakes are released.
	faq.f650.com /FAQs/AftermarketLightsFAQ.htm (16450 words)

	NASA - Beam Me to Mars
		Another space station orbiting the destination generates a beam to slow down the spacecraft upon its arrival, and to launch it on the return journey.
		This is because firing the beam at the target spacecraft also exerts a force on the HPP stations, altering their orbits.
		Also, the beam in our system links to the magnetic field around the target spacecraft, closing a circuit for an electric current that makes the beam self-focusing.
	www.nasa.gov /vision/universe/solarsystem/magbeam.html (1335 words)

	Ultracycling: Comparison of Beam Bikes
		The bounce is because the beam itself is responding to your body movements as you pedal.
		After all this riding and comparison, I am currently I am ride a traditional double diamond steel frame with the Thudbuster seatpost in the winter and rain (in Seattle this is eight months of the year) and the TitanFlex otherwise.
		The beam as about 1/2 inch of side to side flex which is also nice on the tandem.
	www.ultracycling.com /equipment/beambikes.html (2396 words)

	Firing modes. (Site not responding. Last check: 2007-11-01)
		The beam tracks the target and the missile rides up the beam.
		As with the CASWTD mode, the missile was fired at a fixed elevation, but the beam was then depressed, and the 'glide' command given just before the Seaslug hit the sea.
		This technique was beset by the effects of the guidance beam reflecting off the sea, and I'm not aware of any successful firing in this mode.
	homepages.enterprise.net /sjenkins/slugmode.htm (181 words)

	JET Lites Phantom i Single Beam Reviews, Specs and Shopping (Site not responding. Last check: 2007-11-01)
		I find that the starfire i single beam is enough lighting for me, having a helmet light would be cool but your talking about an extra 2.2lbs minimum.
		As a matter fact during a night ride in some serious off road terrain, two other riders that were using the sigma mirage x sport never had to use their high beams because my Phantom Jet Lite was enough light for the three of us when we stuck together.
		The LED battery gauge is also a nice option when you ride a day or two with out charging or are out on a ridiculously long ride.
	www.mtbr.com /reviews/Lights/product_122246.shtml (4158 words)

	BBC News \| Sci/Tech \| Beam-riding rocket lifts off
		Scientists in America have begun testing a rocket powered by a laser beam which they hope could revolutionise space travel.
		They say that unlike today's space shuttles which are powered by engines and fuel, the new rocket could ride into space on a laser beam.
		The vehicle is placed above a curved mirror, and when the laser is fired, the mirror focuses the beam under the rim.
	news.bbc.co.uk /1/hi/sci/tech/115375.stm (256 words)

	14190_50
		In some instances, three radar beams are required to provide complete guidance for a missile.
		riding missile, for example, must be launched into the beam and then must ride the beam to the target.
		Initially, a wide beam is radiated by a capture radar to gain (capture) control of the missile.
	www.tpub.com /content/neets/14190/css/14190_50.htm (348 words)

	Feasibility_ Studies (Site not responding. Last check: 2007-11-01)
		beam and IV to the desired trajectory toward the intended target stellar system.
		beam must pass as well as that due to red shifting of beam photons due to IV velocity relative to the PCBCCS.
		beam due to the constantly changing velocity of the IV relative to the PCBCCS.
	members.aol.com /malcolmbmcneill/Feasibility_Studies.html (1031 words)

	Dual Logic Light System, Bike Light, Bicycle Light, Light & Motion Bike Light , Light and Motion Bicycle Light
		The right head is a high beam and uses a spot-style reflector, while the left is a flood style reflector.
		All Apex lightheads include the option to change the beam angle with an adjustable bezel.
		Simply rotate the bezel ring surrounding the lens to change the beam from wide to narrow spot.
	www.bikelights.com /News/ReviewMB101.htm (362 words)

	Russian Air-to-Air Missiles
		Notes: This was the first Russian air-to-air missile, and is debatable whether it was the first or second AAM to go into service in the world.
		It was a rather clumsy arrangement; the early form of the missile is a beam-riding missile, with the missile homing on a coded radar beam instead of a standard radar lock-on.
		The pilot must keep the missile and target in a rather narrow radar beam, and course corrections are transmitted directly to the missile by a radio link.
	www.pmulcahy.com /aams/russian_aams.htm (805 words)

	JET Lites Dual Beam Reviews, Specs and Shopping (Site not responding. Last check: 2007-11-01)
		The Jet beam was whiter and I'd say about 10-20% brighter than the NR at all light levels.
		The beam pattern is great and you get an even circle of light -- none of the bright and dark circles I have experienced with my Vista lights, and seen on friends' other systems, such as BLT.
		The race was her first night riding experience and she was amazed at the amount of bright white light that was generated and how long each battery pack lasted - 2+ hours.
	www.mtbr.com /reviews/olderlights/product_22187.shtml (4589 words)

	Desorption-Assisted Sun Diver Missions
		Beam heating makes a "paint" (polymer layer #1) desorp from the sail.
		A natural collaboration emerges between subliming sails driven by beams in LEO, converting to greatly accelerated solar sails for the long mission.
		Using mass loss for thrust is not a new idea, but it is new to apply this idea, together with a powerful microwave beam, to both heat and push a sail.
	www.physics.uci.edu /faculty/STAEF2002Desorp.html (3046 words)

	Structural engineering other topics - Lateral Bracing for Crane Beam
		For the runway girder the common practice is to take out all the horizontal loads in the top flange rather than go through all the calculations for torsion applying the load at the top of the rail.
		A single beam is easy construction but can have some problems in the connection of the beam to the end trucks to prevent skeewing.
		The other thought is to have your main beam without a cap designed to support all your hoist loads and have a second light weight follower beam with a lattice work connecting the top flange of the main beam to the follower beam.
	www.eng-tips.com /viewthread.cfm?qid=44880 (546 words)

	<>< : : ROCK MTB - San Diego based mountain biking. : : ><> (Site not responding. Last check: 2007-11-01)
		Here are just some basic riding tips we have found usefull to improve on our biking skills.
		Having a good light means you can ride safely at night, which is sometimes the best time to ride.
		When we begin riding, most of us use the rear brake for slowing down.
	www.rockmtb.com /ridingtips.html (2053 words)

	Good Lights=Good Night Riding
		The head-mounted light illuminates your field of vision and is especially handy for following bends in the trail because it moves with you as you turn to look (just don't look directly at friends when riding because you'll blind them for a few seconds).
		Meanwhile, the bar-mounted beam allows monitoring conditions directly in front of the bike for bumps, roots and trail irregularities.
		The best way to decide on a lighting system is to come in and look at some to compare features and cost.
	larryscycle.com /tip8.htm (449 words)

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