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Hello every body
It was a long time that I did not connect on this amazing site.
I was somehow ill :) but I'm here again.
Please I'm need of these two papers :
1-Improved ultrasonic near-field scanning using dual-channel digital cancellation network Electronics Letters Issue Date: March 3...
ns2 uwb
Hi to all of you,
I'm Workinq On NS2 and want to implement Uwb module,in order to simulate the multimedia traffic.
If someone can give helps i'll be very grateful .
Thanks
Hi everybody,
Some friends ask me about a schematic of a code generator for the transmission of base band. They have tried many of those that exists on the web but they are too complicated that they can not understand the errors the simulation tool genrates.
Best regards
wireless sensor nerwork multymedia
I'm Working on Wireless sensor network, specialy on security model on this topic,i like to find someone who work on the same subject in order to exchange ideas and docs.
Thank's to All
In fact the input impedance is about 50 Ohm, but the output one is only 10 Ohm or less, because I'm using this to generate some ultrasonic waves so the transducers are not well calibrated! but I think if I use an adaptator I can get a lower impedance at the output of the amplifier No?
But...
In fact I'm in need of using a Function generator wich can give me 20V maximum and passing by the amplifier I should get some 5-10Watt! and I have to generate a 2.2MHz signal.
I'm not too good in this but I think that a Class A or class B amplifier could be used. But I need an already working...
ssb qrp bd139
Please I need to make out an amplification of an 2.2 MHz electric signal in order to have a 5W signal and I need if it possible a good scheme of this amplifier
Re: Q series
In fact I'm not working in this area of science I think it's about quantic no? any way! scince I'm a knowledg less, I'll try to help you classically: look at this site if you can find an ebook about this! if you need an account and you have a problem with it just signal it ok...
Polar aurora
Sure, I think any way if you have any problem just post it, if you need documents just ask for and I'll I find ok?
Thank you very much for the links
Polar aurora
Ok! I think you mean somehow a shock wave. It's propably true but have you any text about this I find the subject very interesting and I like to learn more about it so can you suggest me some papers ebook or just websites?? I'm so greatful for your help.
Thank you very much!
Hi everybody,
In fact I wonder something in the polar aurora. I know that it's caused by the electromagnetic field of the sun wich is somehow bloked by the electromagnetic field of the earth, but I heard that this phenomenon is accompagnied by some boomlike sounds. As a first idea I think that...
So for the second question in a byte to extract the first and the last two bits you can just multply your byte by :
11000000 for having the first two buts and 00000011 for the last ones.
Let me ask you for the first problem the function you need make the same random sequence every time you make...
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