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annotate m-toolbox/classes/+utils/@timetools/utc2gps.m @ 44:409a22968d5e default

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Add unit tests
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Tue, 06 Dec 2011 18:42:11 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % UTC2GPS Converts UTC time to GPS seconds.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: UTC2GPS Converts UTC time to GPS seconds.
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5 % UTC_time can also be an array of UTC times.
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6 %
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7 % CALL: GPS_time=UTC2GPS(UTC_time)
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8 %
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9 % FORMAT: UTC time format: 'yyy-mm-dd- HH:MM:SS'
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10 % GPS time format: Seconds since 6. January 1980
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11 %
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12 % EXAMPLES: GPS_time=UTC2GPS('2002-07-19 16:00:00')
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13 % GPS_time=711129613
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14 %
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15 % GPS_time=UTC2GPS(['2002-07-19 16:00:00';'2001-07-19 16:00:00'])
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16 % GPS_time=[711129613 ; 679593613]
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17 %
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18 % VERSION: $Id: utc2gps.m,v 1.2 2010/02/01 15:35:10 ingo Exp $
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19 %
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20 % HISTORY: xx-xx-xxxx Karsten Koetter
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21 % Creation
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22 % 24-01-2007 M Hewitson.
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23 % Maintained
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24 %
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25 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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26
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27 function GPS_time = utc2gps(UTC_time)
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28
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29 leapSecond = 15;
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30
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31 GPS_Epoch=datenum('01-06-1980 00:00:00')*86400;
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32
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33 [p q]=size(UTC_time);
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34
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35 for i=1:p
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36 CurrUTC=UTC_time(i,:);
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37 % reformt string to stupid matlab format MM-DD-YYY
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38 CurrUTC=strcat(CurrUTC(6:10),'-',CurrUTC(1:4),CurrUTC(11:length(CurrUTC)));
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39 NUM_time=datenum(CurrUTC)*86400;
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40
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41 GPS_time(i)=round(NUM_time-GPS_Epoch+leapSecond);
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42 end
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43
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44 end
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