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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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