pysiral.envisat.functions
=========================

.. py:module:: pysiral.envisat.functions


Attributes
----------

.. autoapisummary::

   pysiral.envisat.functions.NOMINAL_TRACKING_BIN
   pysiral.envisat.functions.BIN_WIDTH_METER


Functions
---------

.. autoapisummary::

   pysiral.envisat.functions.mdsr_timestamp_to_datetime
   pysiral.envisat.functions.get_envisat_wfm_range
   pysiral.envisat.functions.get_envisat_window_delay


Module Contents
---------------

.. py:data:: NOMINAL_TRACKING_BIN
   :value: 45


.. py:data:: BIN_WIDTH_METER
   :value: 0.4686


.. py:function:: mdsr_timestamp_to_datetime(mdsr_time)

   Interpret the Envisat format time into a datetime object 


.. py:function:: get_envisat_wfm_range(window_delay_meter, n_range_bins, bin_width_meter=BIN_WIDTH_METER)

.. py:function:: get_envisat_window_delay(tracker_range, doppler_correction, slope_doppler_correction, nominal_tracking_bin=NOMINAL_TRACKING_BIN, bin_width_meter=BIN_WIDTH_METER)

   Calculating the window delay of the first range bin:

   from SICCI-1 processor:

   window_delay = tracker_range + range_delta + doppler_correction +
                  slope_doppler_correction

   with

   tracker_range: field '18hz_tracker_range_no_doppler_ku' from
                  mds_ra2.range_information

   range_delta: - nominal_tracking_bin * bin_width

   doppler_correction: field '18Hz_ku_range_doppler' from
                       mds_ra2.range_correction

   slope_doppler_correction: field '18Hz_ku_range_doppler_slope' from
                             mds_ra2.range_correction