I am a student of class 12. Please help me in my project on electronic eye.. ....etc

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is at89c2051 microcontroller avalaible in multisim ? ....etc

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How can use multism package to simulate 5-step multilevel inverter ....etc

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102/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes

1. The international nautical mile is same as :
(A)18.52 Km/hr
(B)1.609 Km/hr
(C ) 1.852 Km/hr
(D)16.09 Km/hr

2.The true weight of a granular material is its :
(A)Specific Gravity x Weight of Water
(C ) Density x Volume
(B) mxa
(D) Mass / volume

3.The Property of a solid to sustain shock load without permanent deformation 
(A)Tenacity
(B) Quenching
(C ) Milling
(D) Resilience

4.The pH value of strong caustic soda is about:
(A)7
(B) 13
(C ....etc

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The theory behind this circuit is quite simple and amazingly effective. When female mosquitoes (the ones that bite you) are pregnant they prefer to stay away from male mosquitoes and search for food (your blood). The circuit reproduces the ultrasonic noise that a male produces, this in turn repels the female mosquitoes
In the circuit diagram of an ultrasonic mosquito repeller.The circuit is based on the theory that insects like mosquito can be repelled by using sound frequencies in the ultrasonic (above 20KHz) range.The cir ....etc

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Kindly i would like learn how to simulate SEPIC DC-DC Converter
....etc

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Basics of Simulation Technology (SPICE),



SPICE Introduction


• SPICE
– Simulation Program with Integrated Circuit Emphasis
– Developed at University of California at Berkeley
– Three revisions, SPICE-3F5 is current
• Other simulation technologies
– XSPICE – behavioral SPICE – combines SPICE with component behavior in C
– VHDL – Programmable Logic Design
– IBIS – Used to model transfer function of sophisticated ....etc

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i need VHDL code for stair case waveform ....etc

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I need to know working principle because I am making inverter project for final year project book ....etc

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ABSTRACT
Text clustering methods can be used to structure large sets of text or hypertext documents. The well-known methods of text clustering, however, do not really address the special problems of text clustering: very high dimensionality of the data, very large size of the databases and understandability of the cluster description. In this paper, we introduce a novel approach which uses frequent item (term) sets for text clustering. Such frequent sets can be efficiently discovered using algorithms for associa ....etc

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i am looking for a ckt for simulation of gas sensor in multisim ....etc

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ABSTRACT
The term echo cancellation is used in telephony to describe the process of removing echo from a voice communication in order to improve voice quality on a telephone call. In addition to improving subjective quality, this process increases the capacity achieved through silence suppression by preventing echo from traveling across a network.



Two sources of echo have primary relevance in telephony:
acoustic echo and
hybrid echo.
Echo cancellation involves first recognizing the originally transmitted signal that re-appe ....etc

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i need basic operation of multilevel inverter operation animation ....etc

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i am looking for how to do an automatic switch in multisim ? ....etc

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i need VHDL code for stair case waveform ....etc

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nvcfxkl, hdhasd
d,sahdhsafs
sf[ksdljfksdmdnsklfhds
sf;
dsfdsg ....etc

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hi
m doing mtech in electronics & communication engg.ad i have a project idea in my mind and i dont know how i can implement that idea.i want to do a project on piracy control like in theaters some people record the new released movies with camera and sales pirated cds in market.
i want to do a project to conrol that recording in film halls.i dont know that it is practically possible or not so i want your guidence.
we can add any kind of laser or infrared rays in between hall screen and peoples so that camera couldnt record that video.is it ....etc

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