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I am trying to analyse different aspects of wireless transmission for Reflecting wall and fixed antenna. This is used in order to determine the location of base stations and power to be transmitted.
Given is the f=900 MHz, d=20km, r=5 km
I have got a 2 pin 9 W UV lamp. In order to turn-on the lamp i need an electronic ballast. The ballast unlike CFL must give two pin outputs. And I have got ballast from my CFL lamp and it has got 4 output pins. Are there ant ways so that i can use 4 output ballast for 2 pin lamp.
Thanx in...
Hello, I want to build simple Atmega16 based wav file player. I have interfaced SD card using SPI communication mode. Now how can I read wav file and use the PWM outputs of Atmega16 to generate sound.
I have recorded 10 voice samples of words 'Left' and 'Right'. These records will be used to train the neural network . Now, For feature extraction I have got MFCC of the samples and now, i dont know how to use them to train the network or even create the network. And there is problem in...
Here's the problem:
the pulses are for providing Gate signal to GTO....
i have used two ports from microcontroller(pic16f877) as outputs RC1 and RC2, and they are connected to a circuit that gives single output line.
the circuit should give output 0v when Rc1=0 and +5v or -5v when RC1=0 as per...
I need to find out the magnitude and phase of harmonics present in an electric signal.
For magnitude i have sampled the signal and use DFT but i didnt get any idea about determining its phase....
I have got a pair of 4ohm 5 watt speaker .. i want to make stereo amplifier so that i can use them with my laptop....
I have LM386 amp but it has only mono o/p. So how can i modify it to get the stereo sound.. Any kind of help will be highly appreciated
There is fourier transfer for periodic signals too...
Why do we need to represent signals in such a way...how does it help in analysis...
what types of signal processing can we do after fourier transform..
THIS IS WHAT I WANT TO KNOW....
I am begineer student of signal analysis. I have problem understanding fourier series and its purpose. why we represent signal in sine and cosine form. Also help me regarding fourier transform and its uses. It will be gr8 it you give some applictions too..
Your links were gr8 .... i will definately try those .. however for some big show how can we use dmx controller and software like quickview to get the laser effects like above
what is the difference in cost betn 2d and 3d projector...
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Actually, I need this show for inaugration ceremony of a technical exhibition in my college.... it would be great if i can show some writings and pictures related to the theme of the programme
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I am planning for laser show in my college that can show project some 2d images.............
i dont know about the hardware to be used and laser programming so need your help to learn that..
got time of about 4 months
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