Code covered by the BSD License
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bold_fig
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IdB=dB10(I)
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IdB=dB20(A)
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LinkZoom(fig)
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P=polyrec(Ps,MU)
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Points=pointsIncluded(xA,yA,p...
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SummarizeSatelliteGeometry(sa...
uk_xyzp=satGEOM_struct.
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[ ainv, ao, con41, co...
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[ atime, em, argpm, in...
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[ em, argpm, inclm, mm...
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[ ep, inclp, nodep, arg...
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[ sinim,cosim,sinomm,cosomm,s...
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[Coords, position,e,a]=ellips...
% Generate a set of uniformly spaced points around the circumference of an ellipse
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[GAST]=siderealtime(timehack,...
This Sidereal Clock uses your computer clock's definition of Coordinated Universal Time (UTC)
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[SI,Ibar]=computeSI(I,nspan)
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[falias,m]=alias(f,fNyq)
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[i1,i2]=position2index(ipos,n...
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[newColors]=colors(varargin)
Script displays 31 non-standard colors,
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[satrec, xsat_ecf, vsat_ecf, ...
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angl ( vec1,vec2 )
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days2mdh ( year,days)
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f=freqs1(nsamp, fspan, iout)
Generate DFT frequency vector
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getgravc(whichconst);
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gstime(jdut1)
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invjday ( jd );
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jday(yr, mon, day, hr, min, s...
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llh_test=findIntercept(h_inte...
llh_test=findIntercept(h_intercept,u_sat,origin_llh)
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mag ( vec );
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newtonm ( ecc,m );
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newtonnu ( ecc,nu );
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nicefftnum(n)
Find a highly composite even number >= n
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peaks=findIpeaks(datas,thresh...
Find 2D peak clusters above threshold with size truncation
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peaks=findPeaks(datas,thresh,...
peaks=findPeaks(datas,thresh,iSubset,minHits,dXmax,dYmax)
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pickfile ( filter , title, in...
The purpose of this function simplifies the user interface to uigetfile.
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polyregion_add(polyRegion,ifi...
polyregion_add(polyRegion,ifig,iR,Col)
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rv2coe (r,v,mu);
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satGEOM_struct=satGEOM(satrec...
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sgp4(satrec,tsince);
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sgp4init(whichconst, satrec, ...
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showprogress(j)
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simturb=turbsim2(rootSDF)
simturb=turbsim2(rootSDF)
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taylor(nx,slldb)
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twoline2rv(whichconst, longst...
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twoline2rvMOD(longstr1,longst...
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vbar=boxcar_avg(v,nspan);
M point running average
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x=line21(y,xy1,xy2)
% Non horizontal line versus y passing through xy1 and xy2
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y=line12(x,xy1,xy2)
% Non vertical line versus x passing through xy1 and xy2
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GenerateSatelliteGeometry_DEM...
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ReadTextFiles.m
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RunSGP4.m
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SetPath4SGP4.m
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constastro.m
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constmath.m
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testmat.m
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View all files
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| File Information |
| Description |
A modified version of the SGP4 code used for standard satellite orbit computation using two-line elements (TLE). The modified code outputs satellite positions and velocity in ECF coordinates and universal time from EPOCH. Utilities are provided to calculate point-to-point angle, range rates, TCS positions, constant altitude intercepts and velocities. Outputs are collected in a structure and retained in a *.mat file for subsequent display and Beacon satellite data analysis applications. Documentation and examples are provided. Code uses GPS_CoordinateXform and IGRF utilities available from MATLAB Central. |
| MATLAB release |
MATLAB 7.11 (2010b)
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| Updates |
| 30 Sep 2010 |
Error corrected in function satGEOM. Only affects results that use magnetic field geometry. |
| 18 Oct 2010 |
Corrected error in satGEOM utility. SGP4 is unaffected. |
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