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Originally Posted by NavyUSA
Speak about the statistical theory in this forum is off-topic. In literature you can find the whole theory.  |
Well, I didn't mean to ask about what standard deviations are in general. Just in this context, in that table. Standard deviations are the summed squares of differences to a mean value, divided by the population size. But what sort of values and means is that table based on? 'Barnacle size' on the sperical array?
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You know that the bearing rate has a very good correlation with the distance of the contact. It's inversely proportional to the range. These tables are born, from a statistical analysis of Bearing rate variation, by varying the range, route target and relative bearing.
If Cristian from Betasom, wants personally explain in English this method, would be better. But I think it's very clear. The link below:
http://www.betasom.it/forum/index.php?showtopic=33792
The direct link is this: http://goo.gl/S7iAUy
Page 24.
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Fair enough. I'll see how far I'll get this this document. Looks juicy. Too bad it isn't already in english.
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For all relative target bearings between 20 and 160 there is a table. I can send you all tables on your e-mail address.
About it, I think that speeds between 5 and 7 knots are not very restrictive, for several reasons.
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Would you care to elaborate on that? Are you expecting all opponents to move at speeds between 5 and 7 knots? Sure, submerged opponents that know that you are there would want to stay silent, and thus slow. But that doesn't account for all,or most situations.
Anyway, I think I'll have pizza tonight and set my teeth in this document. Thanks
