Time-Domain Reflectometry works by generating a signal and then sending that signal down the wireline and examining the reflected signal to ascertain wire faults. Noise-domain reflectometry does not introduce an external signal to test the wire, but examines the existing signals already on the wire to locate those faults.
Wikipedia has a number of good descriptions on TDR and variaions of TDR. See the links below.
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Difference between paging and what?
The answer of difference
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The difference between a shogun and a samurai is like the difference between a king and a knight.
The difference between e-TDR and e-STDR is, In e-STDR the interest will be paid on maturity and also the minumum tenure is 180 days and the maximum tenure is 10 years. In e-TDR the interest will be paid at regular intervals based on customer choice. The minimum tenure for e-TDR is 7 days and max tenure is 10 years. For both e-TDR and e-STDR the minumum amount for deposit is Rs.1000/-
Difference between it and what?
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The difference between Disneyland and Disneyworld is that Disneyland is in California and Florida is in Disneyworld. This is the difference between Disneyland and Disneyworld.