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eph2xyz

Function to calculate satellite coordinates (xyz) from the ephemerides of the satellite.

Calling Sequence

[xs,ys,zs,delta_Ts,delta_rho_rel] = eph2xyz(tc,Prs,a0,a1,a2,C_rs,delta_n,M_0,C_uc,e,C_us,a,t_e,C_ic,Omega_0,C_is,i_0,C_rc,omega_klein,Omega_dot,i_dot)

Parameters

tc

referencetime of clockparameters (time of clock), i.g. the same as t_e (quod vide).

Prs

Pseudorange [ ]

a0

SV-clock-offset at reference epoch t_c [s]

a1

SV-clock-drift at reference epoch t_c [s/s]

a2

SV-frequency-drift (ageing) at reference epoch t_c [s/s²], i.a. =0

a

semi-mayor axis of the Keplerellipse [m] (Attention! also possible sqrt(a) then [sqrt(m)]).

t_e

time of ephemerides

e

numerical excentricity [1]

i_0

inclination at reference epoch t_e [rad]

Omega_0

rectaszension of ascending node at reference epoch t_e [rad]

omega_klein

argument of perigee [rad]

M_0

mean anomalie at reference epoch t_e [rad]

Omega_dot

alteration rate of rectaszension [rad/s]

i_dot

alteration rate of inclination [rad/s] (=di/dt).

delta_n

adjustment of mean motion [rad/s]

C_us

amplitude of the sinus-harmonic correction term for argument of latitude u [1]

C_uc

amplitude of the cosinus-harmonic correction term for argument of latitude u [1]

C_is

amplitude of the sinus-harmonic correction term for the inclination i [1]

C_ic

amplitude of the cosinus-harmonic correction term for inclination i [1]

C_rs

amplitude of the sinus-harmonic correction term for geocentric distance r [1]

C_rc

amplitude of the cosinus-harmonic correktion term for geocentric distance r [1]

Parameters

xs

SV-coordinate X [m]

ys

SV-coordinate Y [m]

zs

SV-coordinate Z [m]

delta_Ts

SV-clock diference [s]

delta_rho_rel

relativistic effect due to orbit excentricity [m]

Description

Function to calculate satellite coordinates (xyz) from the ephemerides of the satellite.

See Also

Authors


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