plot ephemeris time with xlabel in matlab

To plot ephemeris time on the x-axis of a matlab plot, you first need to convert it to matlab time format. The following code shows an example of how to do this:

main.m
% Example data
epoch = 2459304.5; % Ephemeris Time (JD)

% Convert to matlab time format
matlab_time = (epoch - 2451545) * 86400;

% Create plot with x-axis labeled as Ephemeris Time
figure;
plot(matlab_time, y_data);
xlabel('Ephemeris Time');
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In this example, y_data represents your data that you want to plot against ephemeris time. The epoch variable is the ephemeris time in Julian Date format.

The ephemeris time is converted to the matlab time format (in seconds) using the formula (epoch - 2451545) * 86400. This formula is based on the fact that the matlab time format is based on the number of seconds that have elapsed since January 1, 2000 at 00:00:00 UTC, which corresponds to Julian Date 2451545.

Finally, the plot is created with the x-axis labeled as "Ephemeris Time" using the xlabel() function.