Qualification of the FFT spectrometer Phoenix-3
نویسندگان
چکیده
Phoenix-3 based on a commercially available FFT spectrometer board AC-240, connected to a broadband receiver was qualified to be used as a solar polarization spectrometer. A pile of very time consuming measurements showed, that the system fulfills the given requirements to observe solar radiation between 1GHz and 5GHz in two polarizations. The total of 65536 channels produces 65 times more data compared to the existing 1000 channels of Phoenix-2. The total bandwidth is comparable with Phoenix-2 but time resolution is much better than Phoenix-2. The radiometric sensitivity is also sightly better than Phoenix-2 due the fact that all samples are integrated on board of the FFT FPGA.
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