Defining Observations and Observation Metadata ============================================== Session Definition Files ------------------------ .. automodule:: lsl.common.sdf Session Structure +++++++++++++++++ :mod:`lsl.common.sdf` provides a means to represent a set of observations as Python objects. For each :class:`lsl.common.sdf.Project`, there is: 1) An observer (:class:`lsl.common.sdf.Observer`) 2) The project office comments (:class:`lsl.common.sdf.ProjectOffice`) 3) A single session that defines the SDF (:class:`lsl.common.sdf.Session`) The session contains one or more observerions (:class:`lsl.common.sdf.Observation`). Each observing mode supported by the LWA is sub-classed (see below). .. autoclass:: lsl.common.sdf.Project :members: .. autoclass:: lsl.common.sdf.Observer :members: .. autoclass:: lsl.common.sdf.ProjectOffice :members: .. autoclass:: lsl.common.sdf.Session :members: .. autoclass:: lsl.common.sdf.Observation :members: Observing Modes +++++++++++++++ .. autoclass:: lsl.common.sdf.TBW :members: .. autoclass:: lsl.common.sdf.TBN :members: .. autoclass:: lsl.common.sdf.DRX :members: .. autoclass:: lsl.common.sdf.Solar :members: .. autoclass:: lsl.common.sdf.Jovian :members: .. autoclass:: lsl.common.sdf.Stepped :members: .. autoclass:: lsl.common.sdf.BeamStep :members: MCS Metadata Tarball Utilities ------------------------------ .. automodule:: lsl.common.metabundle :members: Supporting Functions -------------------- Conversion to/from MJD and MPM ++++++++++++++++++++++++++++++ These functions convert Python datetime instances to modified Julian Data (MJD) and milliseconds past midnight (MPM) pairs. .. autofunction:: lsl.common.mcs.datetime2mjdmpm .. autofunction:: lsl.common.mcs.mjdmpm2datetime Specifiying Delay and Gains for the Digital Processor +++++++++++++++++++++++++++++++++++++++++++++++++++++ These functions are intended to help define observations that are run in Stepped mode with the beamforming method set to "SPEC_DELAYS_GAINS". .. autofunction:: lsl.common.mcs.delaytoMCSD .. autofunction:: lsl.common.mcs.MCSDtodelay .. autofunction:: lsl.common.mcs.gaintoMCSG .. autofunction:: lsl.common.mcs.MCSGtogain Interpretting MCS Numeric Codes +++++++++++++++++++++++++++++++ These functions convert various MCS numeric codes found in the metatdata into strings. .. autofunction:: lsl.common.mcs.status2string .. autofunction:: lsl.common.mcs.summary2string .. autofunction:: lsl.common.mcs.sid2string .. autofunction:: lsl.common.mcs.cid2string .. autofunction:: lsl.common.mcs.mode2string