sp_S22_mud

Sp_S22_mud - Lecture S22 Muddiest Points General Comments Today we talked about the LORAN-C navigation system and why the pulse shape looks like it

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Unformatted text preview: Lecture S22 Muddiest Points General Comments Today, we talked about the LORAN-C navigation system, and why the pulse shape looks like it does. Part of the reason is that the pulse shape is required to be short (to eliminate skywave contamination), but to have a fairly small bandwidth, so as not to contaminate frequency bands near the 100 kHz band used by LORAN-C. The pulse is designed to have a fairly low duration-bandwidth product. Responses to Muddiest-Part-of-the-Lecture Cards (19 cards) 1. Can LORAN transmitters be used as the land-based part of a DGPS [differential GPS] system? (1 student) Yes. In Europe, there are LORAN transmitters transmitting DGPS correction information. Do a web search of “Eurofix” to read about this. 2. Is “gain-bandwidth product” the same as “duration-bandwidth product”? (1) No, that was a brain-bug on my part. There is such a thing as gain-bandwidth product, which is very important in operational amplifier design, but has nothing to do with today’s...
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This note was uploaded on 01/28/2012 for the course AERO 16.01 taught by Professor Markdrela during the Fall '05 term at MIT.

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Sp_S22_mud - Lecture S22 Muddiest Points General Comments Today we talked about the LORAN-C navigation system and why the pulse shape looks like it

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