uwb sensors:for excellent homeland security
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bhavna
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#1
09-02-2010, 12:54 AM


would u plz mail me the full seminar and presentation report of dis topic along with pdf and ppt....
i need even how this is going to work....
thank u...
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bhavna
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Posts: 4
Joined: Jan 2010
#2
09-02-2010, 11:10 PM

plz send me d details for uwb sensors:for homeland security...wit pdf,ppt,along wit how uwb sensors is goin to work....
i need to give my seminar and presentation on wednesday....
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project report tiger
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#3
11-02-2010, 07:04 AM

Abstract
Ultra Wide Band (UWB) sensors are one of the greatest inventions to provide high security for power plants, reservoirs and other critical infrastructures by detecting unauthorized intrusion. The principle behind these is they use high fractional bandwidth and low frequency of operation. Compared to other Doppler radars these have very high resolution because of wide band width, and these have good propagation through many materials because of low frequency of operation. Types of UWB sensors are UWB Ground Penetrating Radar (GPR) to know disturbances in the earth, and Through-Wall Motion Detection Radars are used for law enforcement, and home land security. These sensors give information about the targets even in the presence of clutter and also tracks slow moving targets. From all these it is evident that UWB sensors are more advantageous than other sensors

.pdf   Ultra Wide-Band- UWB.pdf (Size: 1.14 MB / Downloads: 151)


Ultra Wide Band(UWB), is a wireless communications technology that can currently transmit data at speeds between 40 to 60 megabits per second and in future up to 1 gigabit per second. UWB transmits ultra-low power radio signals with very short electrical pulses in the picosecond (1/1000th of a nanosecond) range, across all frequencies. UWB receivers must translate these short bursts of noise into data by listening for a familiar pulse sequence sent by the transmitter.Because of its low power requirements, UWB is very difficult to detect and therefore difficult to regulate. it can be used indoors and underground, unlike GPS.


What is UWB?
Ultra-Wideband (UWB) technology, is based on the WiMedia standard, brings the convenience and mobility of wireless communications to high-speed interconnects in devices throughout the digital home and office. Designed for low-power, short-range, wireless personal area networks (WPANs), UWB is the leading technology for freeing people from wires, enabling wireless connection of multiple devices for transmission of video, audio and other high-bandwidth data.UWB, short-range radio technology, complements other longer range radio technologies such as Wi-Fi*, WiMAX, and cellular wide area communications. UWB's combination of broader spectrum and lower power improves speed and reduces interference with other wireless spectra. It is used to relay data from a host device to other devices in the immediate area (up to 10 meters, or 30 feet). UWB radio transmissions can legally operate in the range from 3.1 GHz up to 10.6 GHz, at a limited transmit power of -41dBm/MHz. Consequently, UWB provides dramatic channel capacity at short range that limits interference.

UWB applications
Today, most computer and consumer electronic devices-everything from a digital camcorder and DVD player to a mobile PC and a high-definition TV (HDTV)-require wires to record, play or exchange data. UWB will eliminate these wires, allowing people to "unwire" their lives in new and unexpected ways. Through UWB:A digital camcorder could play a just-recorded video on a friend's HDTV without anyone having to fiddle with wires.A portable MP3 player could stream audio to high-quality surround-sound speakers anywhere in the room.A mobile computer user could wirelessly connect to a digital project and implimentationor in a conference room to deliver a presentation.Digital pictures could be transferred to a photo print kiosk for instant printing without the need of a cable.An office worker could put a mobile PC on a desk and instantly be connected to a printer, scanner and Voice over IP (VoIP) headset All information provided related to future Intel® products and plans are preliminary and subject to change at any time, without notice.


read more
inteltechnology/comms/uwb/download/wireless_pb.pdf
deviceforgearticles/AT8171287040.html
ieeexplore.ieeeiel5/161/4291236/04291308.pdf
en.wikipediawiki/Ultra-wideband
3g4g.co.uk/Other/Uwb/Wp/uwb.pdf
inteltechnology/comms/uwb/download/W241_Paper.pdf
inteltechnology/itj/q22001/pdf/art_4.pdf
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