[FOSS-GPS] Introduction
Abdelrazak Younes
younes.abdel at gmail.com
Mon Sep 22 03:40:29 EDT 2008
On 22/09/2008 09:28, Marcus Wolschon wrote:
> 2008/9/20 Abdelrazak Younes<younes.abdel at gmail.com>:
>
>> Here is a simple algorithm for you:
>>
>> Ps = P * A + Pp * B
>>
>> Where:
>> Ps is the smoothed position
>> A + B = 1, for example A = 0.01 and B = 0.99
>> P is the GPS position solution
>> Pp is the projected position:
>> Pp(t_n) = P(t_n) + (t_n - t_{n-1}) * V(t_n)
>>
>> Where:
>> t_n is the current epoch
>> t_{n-1} is the previous epoch
>> V(t_n) is the current GPS Velocity solution.
>>
>
> I guess that would be
> Pp(t_n) = P(t_{n-1}) + (t_n - t_{n-1}) * V(t_{n-1})
>
> as you don't want to calculate Pp(t_{n+1) but
> Pp(t_n) instead.
>
Yes, of course. This was over the top of my head, should have read it
before posting it :-)
Abdel.
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