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| Re: Canarsie CBTC (98071) | |||
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Re: Canarsie CBTC |
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Posted by Stephen Bauman on Mon Jun 13 11:38:52 2005, in response to Re: Canarsie CBTC, posted by SelkirkTMO on Mon Jun 13 11:11:13 2005. hate to say it bro ... but *ALL* RF is ANALOG ... even "digital"That distinction gets fuzzy, when one is transmitting sychronous data and the bit rate is equal to the carrier. when that stuff gets put into a coil or an antenna, rest assured that it's sinusoidal in the minimum degree. Take any well shaped pulse train and put it through a low pass filter and you get instant sinusoids - vive Fourier. Take that received sinusoid and put it through a hard limiter and you are back to a pulse train. I think we are straying a bit too far from the subject matter. Your contention is that RF communications will not work in a NYCT environment. I think it will, based on its successful implementation in many other areas. However I would not have followed the TA's development path to prove it. |
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