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DSPSR implements a family of C++ classes that may be used in the loading and manipulation of observational data, primarily as a regularly sampled function of time. This includes both phase-coherent data, as stored by baseband recording systems, and detected data, as produced by a filterbank system. The functionality, contained in the dsp namespace, is divided into three main classes: data containers, operations, and auxilliary objects.
The most general data container is the dsp::TimeSeries class, which is used to store the floating point representation of the signal in a variety of states. The dsp::BitSeries class is used to store the N-bit digitized data before unpacking into a TimeSeries object.
The auxilliary classes perform operations on arrays of data, such as multiplying a frequency response matrix by a spectrum field vector (e.g. the dsp::Response class).
A class that inherits dsp::File is used to load uninterpreted N-bit digitized data into a dsp::BitSeries object. An associated class that inherits dsp::Unpacker is used to convert the digitized data into floating point representation.
When adding a new file format, the following steps should be followed:
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