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Originally posted by Aliensun
reply to post by decisively
I'm sorry, but my brain can make no sense of this thread.
I should mention that I've had this problem with several of your other threads too.
So I'm wonder if the problem really is mine.
Originally posted by decisively
Answer that question, and it was answered in the 1960s, THAT IS HOW OUR MISSLES WORK, and I bet you wind up at Apollo. Give it a try.
The addition of stellar guidance to a submarine launched ballistic missile
(SLBM) system imposes special computational requirements on the fire control
system. In general, the stellar guidance algorithms use the observable misorientations
of the guidance inertial platform derived from an inflight star
sighting and a statistical representation of the weapon system errors to obtain
an estimate of the errors in the guidance computed state vector (i.e., position,
velocity, and inertial platform misorientation). In practice, these errors are
estimated by the application of a precomputed gain matrix to the sighting information.
The computation of this gain is a fire control responsibility. The
improvement in weapon system accuracy achievable through incorporation of this
stellar inertial guidance scheme is dependent on the orientation of the guidance
inertial platform, i.e., the star to be sighted. An additional fire control
task, therefore, is the selection of a star (from a catalog of stars) which
enhances the observability of system errors and restricts the propagation of
non-observable system errors. The implementation of algorithms to perform these
tasks in a time constrained environment is the subject of this paper.
Originally posted by decisively
reply to post by paradox
AHHHH But you miss the point, the astroanuts should be able to see what the missiles do, and the missiles see stars....
If the missiles can see stars, then so too can the astronauts. Why do the astroantus say they can't see them. The missile sees them, so why not the astronaut ?
The missile is bothered every bit as much by the sun and earth shine too, but still get's its star, so too would be the case with the astronauts. Why are they lying about this ? Because of this connnection.... And,
When a missile goes up, how is a star selected ? How depending on time of day ? How depending on time of season ? How depending on target ?
We had no off the shelf "star charts" for anything this complex in the early 1960s, something we could "load into a computer" to do this, But the Polaris missiles were indeed tracking stars very early on. Who developed this system ? Apollo helped......edit on 2-6-2012 by decisively because: fixed headlineedit on 2-6-2012 by decisively because: spelling spacing They>: astronautsedit on 2-6-2012 by decisively because: spelling capsedit on 2-6-2012 by decisively because: spellingedit on 2-6-2012 by decisively because: spelling
Celestial guidance was first used in the American Snark missile (Nortronics stellar-inertial guidance) first flown on 06/08/1953. It uses star positioning to fine-tune the accuracy of the inertial guidance system after launch. As the accuracy of a missile is dependent upon the guidance system knowing the exact position of the missile at any given moment during its flight, the fact that stars are a fixed reference point from which to calculate that position makes this a potentially very effective means of improving accuracy. In the Trident system this was achieved by a single camera that was trained to spot just one star in its expected position (it is believed that the missiles from Soviet submarines would track two separate stars to achieve this), if it was not quite aligned to where it should be then this would indicate that the inertial system was not precisely on target and a correction would be made.
Is that the same decisively we see *now*? Why use that 'pretense' (which I have to say I find very offensive to people who have genuine disabilities)? Is this an honest person? You be the judge, dear reader.
from when i was about 5 i started to play with a sextant and i had a disability but it turned out i was good with patterns and numbers very fast with numbers and patterns and because i was on the boat and always looking at the stars and learning how to use a sextant for real i became a good navigator and could sight stars and navigate without electronics better than anybody we knew in san diego and when i was eleven there was a contest for this kind of thing and even some famous sailors entered the contest and i won very easily and some people did not believe i could possibly do what i did but it was easy because i was always on a boat all my life and could see an ascension or something and not even using a tool could tell almost exactly what it was so then i got interested in apollo with two friends timmy and charlie ...
My friend sammy and me proved neil armstrong phony because we went to the Antiquarium book store and bought the biography of neil armstrong called first man which is the one he wanted because it is authorized and we found the picture of neil in the middle of the book selling chrysler cars so he cannot be real because he is a salesman and a real astronaut would not sell cars and sammy's dad said he thinks we will be famous
Numerous examples of astronauts fumbling about with their lack of understanding in celestial guidance.