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tech / sci.physics.relativity / Re: about relativistic radar/doppler errors in real measurement

SubjectAuthor
* about relativistic radar/doppler errors in real measurementAlsor
`* Re: about relativistic radar/doppler errors in real measurementDono.
 `* Re: about relativistic radar/doppler errors in real measurementAlsor
  `* Re: about relativistic radar/doppler errors in real measurementDono.
   `- Re: about relativistic radar/doppler errors in real measurementAlsor

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about relativistic radar/doppler errors in real measurement

<e198da6f-b7e1-460c-8495-c9f83c3cd302n@googlegroups.com>

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Subject: about relativistic radar/doppler errors in real measurement
From: alsor...@gmail.com (Alsor)
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 by: Alsor - Sat, 30 Jul 2022 11:58 UTC

NASA notices permanently some fantastic anomalies in his radar or ping measurements.

For example: the Pioneer anomaly, Cassini probe, the flyby procedure, etc.

So, what is the cause of these anomalies?

One simple example:

two bodies move at speed 0.6c, but in opposite direction.
so, the relative speed is simply: 2*0.6 = 1.2c of course.

And measured Doppler is now:
d = 1-detector/1+source = 1-0.6/1+0.6 = 0.4/1.6 = 1/4

Ok.

But!
SR provides other method - more smart:
d = sqrt(1-v/1+v);
where the letter v is a relative speed...

therefore the scientists, in the NASA, are looking the number: v,

hence:
v add v = 2v/(1+v^2) = 1.2/1.36 = 0.88...

and

d = sqrt(1-v/1+v) = 1/4, correct!

so, they get his super number...
which is about 25% different than the actual, correct one 1.2c.

0.88 over 1.2 ... this in bigger than 1 per million of course,
because actual speeds of NASA probes are about 10 km per second,
thus we can see it is... a bit lower than 0.6c what i used in the example.

Re: about relativistic radar/doppler errors in real measurement

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Subject: Re: about relativistic radar/doppler errors in real measurement
From: eggy2001...@gmail.com (Dono.)
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 by: Dono. - Sat, 30 Jul 2022 14:12 UTC

On Saturday, July 30, 2022 at 4:58:45 AM UTC-7, Alsor wrote:

> so, the relative speed is simply: 2*0.6 = 1.2c of course.

It isn't.Of course.

Re: about relativistic radar/doppler errors in real measurement

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Subject: Re: about relativistic radar/doppler errors in real measurement
From: alsor...@gmail.com (Alsor)
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 by: Alsor - Sat, 30 Jul 2022 16:50 UTC

sobota, 30 lipca 2022 o 16:12:39 UTC+2 Dono. napisał(a):
> On Saturday, July 30, 2022 at 4:58:45 AM UTC-7, Alsor wrote:
>
> > so, the relative speed is simply: 2*0.6 = 1.2c of course.
> It isn't.Of course.

it's and exact, unfortunately for SR -
the fantastic wonderful world without defined speed, time and distance.

Re: about relativistic radar/doppler errors in real measurement

<ea9049e3-319d-4514-9db6-069433c75965n@googlegroups.com>

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Subject: Re: about relativistic radar/doppler errors in real measurement
From: eggy2001...@gmail.com (Dono.)
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 by: Dono. - Sat, 30 Jul 2022 21:41 UTC

On Saturday, July 30, 2022 at 9:50:27 AM UTC-7, Alsor wrote:
> sobota, 30 lipca 2022 o 16:12:39 UTC+2 Dono. napisał(a):
> > On Saturday, July 30, 2022 at 4:58:45 AM UTC-7, Alsor wrote:
> >
> > > so, the relative speed is simply: 2*0.6 = 1.2c of course.
> > It isn't.Of course.
> it's and exact, unfortunately for SR -
> the fantastic wonderful world without defined speed, time and distance.
You are still the same old idiot, Sorokin.

Re: about relativistic radar/doppler errors in real measurement

<b1cdb606-4228-449c-a40e-8b381037f5b6n@googlegroups.com>

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Subject: Re: about relativistic radar/doppler errors in real measurement
From: alsor...@gmail.com (Alsor)
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 by: Alsor - Sun, 31 Jul 2022 10:35 UTC

sobota, 30 lipca 2022 o 23:41:09 UTC+2 Dono. napisał(a):
> On Saturday, July 30, 2022 at 9:50:27 AM UTC-7, Alsor wrote:
> > sobota, 30 lipca 2022 o 16:12:39 UTC+2 Dono. napisał(a):
> > > On Saturday, July 30, 2022 at 4:58:45 AM UTC-7, Alsor wrote:
> > >
> > > > so, the relative speed is simply: 2*0.6 = 1.2c of course.
> > > It isn't.Of course.
> > it's and exact, unfortunately for SR -
> > the fantastic wonderful world without defined speed, time and distance.
> You are still the same old idiot, Sorokin.

Relativistic speed is produced by dynamics,
there is no new geometry of space at all.

v + v = 2v; this is geometry

but for moving body, which... for example shoots a particle backward, it is now:

v add v = 2v/... < 2v, due to the momentum and anergy condition,
not any special space applies here - this is a standard dynamics only.

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