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% GNSS Tools Open Source, MATLAB tools to:
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% read data from GnssLogger App,
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% compute and visualize pseudoranges,
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% compute weighted least squares position and velocity,
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% view and analyze carrier phase (if it is present in the log file).
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%
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% ProcessGnssMeasScript - script to set file name and call all other functions
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% Start with this file, and the run the demo log files provided with this code
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%
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% Coordinate transformations
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% Lla2Ned - Difference of [lat,lon,alt], return NED coords in meters
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% Lla2Xyz - lat,lon,alt transform to x,y,z (Earth Centered Earth Fixed)
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% RotEcef2Ned - Rotation matrix to convert ECEF vector to NED, & vice versa
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% Xyz2Lla - x,y,z (Earth Centered Earth Fixed) transform to lat,lon,alt
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%
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% Ephemeris and Orbit functions
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% CheckGpsEphInputs - Check the inputs for all GpsEph2* functions
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% ClosestGpsEph - find unique fresh ephemeris from a GPS ephemeris structure
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% GpsEph2Dtsv - Satellite clock bias from GPS ephemeris
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% GpsEph2Pvt - Satellite position, velocity and clock bias from GPS ephemeris
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% GpsEph2Xyz - Satellite position from GPS ephemeris
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% FlightTimeCorrection - Rotated coords from Earth rotation during flight time
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% Kepler - Solve Kepler's equation for eccentric anomaly
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% ReadRinexNav - Read ephemeris & iono data from an ASCII formatted RINEX2 file
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%
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% Navigation, Pseudorange and Accumulated Delta Range functions
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% GpsAdrResiduals - Residuals from GPS Accumulated Delta Ranges (carrier)
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% GpsWlsPvt - Position Velocity and Time from GPS measurements
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% WlsPvt - Weighted least squares PVT solution from pr and prr
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% ProcessAdr - Compute Delta PR minus ADR (carrier)
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% ProcessGnssMeas - Process raw GnssLogger measurements and compute pseudoranges
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%
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% Plotting functions
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% PlotAdrResids - Plot the Accumulated Delta Range (carrier) residuals
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% PlotCno - Plot the carrier-to-noise-density ratio, C/No, from gnssMeas
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% PlotPseudoranges - Plot the pseudoranges obtained from ProcessGnssMeas
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% PlotPvt - Plot the results of GpsWlsPvt
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% PlotPvtStates - Plot Position, Velocity and Time/clock states
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%
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% Time functions
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% DayOfYear - Day number of the year
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% Gps2Utc - Convert GPS time (week & seconds) to UTC
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% JulianDay - Number of days since first GPS week
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% LeapSeconds - Number of leap seconds since the first GPS week
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% Utc2Gps - Convert UTC time to GPS time
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%
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% File reading
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% GetNasaHourlyEphemeris - Read hourly ephemeris file
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% ReadRinexNav - Read ephemeris & iono data from a RINEX2 Nav file
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% ReadGnssLogger - Read the file created by Gnss Logger App in Android
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%
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% General functions and classes
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% CompareVersions - Compare two version numbers
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% GnssThresholds - GNSS validity thresholds we use in the code
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% GpsConstants - GPS constants, from WGS84 and IS-GPS-200
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Copyright 2016 Google Inc.
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%
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% Licensed under the Apache License, Version 2.0 (the "License");
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% you may not use this file except in compliance with the License.
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% You may obtain a copy of the License at
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%
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% http://www.apache.org/licenses/LICENSE-2.0
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%
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% Unless required by applicable law or agreed to in writing, software
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% distributed under the License is distributed on an "AS IS" BASIS,
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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% See the License for the specific language governing permissions and
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% limitations under the License.
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