WERA RAW Data (.RAW)

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WERA RAW Data (.RAW)

This is the data format of WERA RAW data. The data structure is identical to those of the WERA calibration data, except that the synthesizer is operated in chirp mode. The following information is also read from the header of each RAW data file:

The Date and Time includung the seconds SS of the acquisition start time,
the TAU duration of a chirp,
the MT length of a chirp,
the NFFT number of chirps,
the NANT number of antennas, and
the Mode Bits during RAW measurement (info on Mode Bits)
the HZMode Bits during RAW measurement (info on HZMode Bits)

The structure in each RAW data file is as follows:

|      |        Chirp_number=1          |        Chirp_number=2        |..| Chirp_number=NFFT |
| HEAD |--------------------------------|------------------------------|..|-------------------|
|      | ANT=1   | ANT=2 |...| ANT=NANT | ANT=1 | ANT=2 |...| ANT=NANT |..| .......| ANT=NANT |
|      | t=1..MT |  ...  |...|   ....   |  ...  |  ...  |...|   ....   |..| .......|   ....   |

Each [Chirp_number,ANT] data set consists of 2*MT INTEGER*2 (16 bit signed integer) values, which form MT I/Q pairs for a complex FFT.

Comments to: gurgel@ifm.uni-hamburg.de (Klaus-Werner Gurgel)