experience and innovation

SAAD

Directory List

GUI, SAADData, SAAttDet, Demos/SAAttDet,

Functions and Demos

GUI

AddBias - Adds biases to the non-zero elements of measurement vectors

ConvertHSA - Convert HSA times to dihedral angles and chordwidths, or convert HSA data

DWInputs - Brings up a window for entering the desired data information

DataWindow - Brings up the SAAD GUI data window

ISAAD - Performs spin axis attitude determination.

LoadSAADData - Default function to load attitude data from formatted text files.

PlotPred - Computes predicted measurements, plots predictions with

ResidStat - Computes and displays residual statistics

SAADFile - Data file functions used by SAAD GUI

SAADHelp - Brings up a text window explaining the given topic

SAADMain - Brings up the main SAAD GUI window - the SAAD Control Center.

SAADMenu - Menu tools used by SAAD GUI

SAADTool - Window management tools used by SAAD GUI

SMInputs - Brings up a window for customizing the inputs to the given solution method

SolutionWindow - Brings up the SAAD GUI solution window

ValidData - Computes predicted measurements, plots predictions with


SAADData


SAAttDet

ADComp - Compare attitude data with a computed solution.

ADCull - Eliminate HSA measurements that do not fit the predicted curves. You need

ADGen - Generate horizon sensor and sun sensor data

ADPartls - Compute the measurement partials

BObjIntF - Determines if a bright object will interfere with a sensor scan

BShuster - Computes the solution to the attitude determination problem using

BShuster2 - Computes the solution to the attitude determination problem using

ConeInt - Computes the solution to the attitude determination problem using

ConeInt2 - Computes the solution to the attitude determination problem using

ConjGrad - Solves the least squares problem for

CostF - Finds the cost function

CostNM - Computes the cost functional for the Nelder-Meade algorithm

CostNMTE - Computes the cost functional for the Nelder-Meade algorithm

CwValid - Checks for valid HSA chordwiths

DHArcDX - Computes the Jacobian for an arc measurement. Used for sun angle

DHArcDXi - Interface to DHArcDX.

DHCWDX - Computes the derivative of the chordwidth with respect to the

DHCWDXi - Interface to dhcwdx.

DHDADX - Computes the derivatives of the dihedral angle with respect

DHDADXi - Interface to DHDADX.

DSunCone - Compute possible right ascensions and declinations given

DiffCorr - Solves the least squares problem for

FX - Finds the vectors

FXNM - Finds the vectors

FXNMTE - Finds the vectors

HArc - Computes an arc measurement.

HArci - Interface to harc.

HCw - Computes the chordwidth.

HCw2R - Computes the chordwidth when the nadir vector is different for the leading

HCwi - Interface to HCw.

HDA - Computes the dihedral angle for a spinning spacecraft.

HDAi - Interface to HDA.

HLE - Computes the leading edge dihedral angle for a spinning spacecraft.

HTE - Computes the trailing edge dihedral angle for a spinning spacecraft.

KFExItMu - One step of the extended iterated Kalman Filter measurement

KFSAAD - Implements an extended iterated Kalman Filter for the spin-axis

LoadAtt - Template to read in attitude data from a formatted text file.

NadGen - Generate earth radius, nadir vector and sun vector data at the selected

Outliers - Outputs the set of acceptable measurements. The last 3 inputs

QuadCost - Finds the alpha that minimizes the quadratic cost functional J

Radiance - Computes the earth's peak radiance.

SFShustr - Computes the solution to the attitude determination problem using

SFShustr2 - Computes the solution to the attitude determination problem using

SunCone - Compute possible right ascensions and declinations given

SunData - Computes the sun sensor data for a spinning spacecraft. This computes

ZCull - Eliminates horizon sensor measurements whose corresponding


Demos/SAAttDet

TBAD - Test attitude determination using the batch methods

TCF - Test attitude determination using closed form methods

TKalAD - Attitude determination using a Kalman Filter


SVN Revision: 12009


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