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Batteries or UWB

Q

Qacer

Platinum Member
Hey all,

I'm helping gather up some resources for my friend doing his grad research on batteries. He is currently researching batteries for use with robots. I would like to know if anyone out there knows of anyone who is involved with battery development or research that can answer some questions and provide some hints in regards to his research. I would appreciate it a lot.

As for me, I'm slowly reading up on Ultrawideband (UWB) stuff. So if anyone has any great introductory references, then please let me know. I'm supposed to be working with someone who will be designing a low noise amplifier for a test bed. I've designed a 1.9 GHZ LNA, but this UWB stuff is supposed to be challenging because the signal is below the noise floor. I don't know that much, yet.

Thanks!

 
O_O The signal is below the noise floor? That's a little crazy.... how are you supposed to work with that?
 
Not really sure, yet. I'm still doing some reading, but that's what one of the PHD students told me during an introductory meeting.
 
Originally posted by: Qacer
Not really sure, yet. I'm still doing some reading, but that's what one of the PHD students told me during an introductory meeting.
Click to expand...

That's truly crazy stuff. My only guess is that the receiver must 'expect' some general and unusual waveform that's and detect it using correlations.
 
If the signal is regular enough, the noise could be filtered out (hypothetical) like sonar analyizers do for the navy.
 
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