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Automatic generation of heterogeneous spectrometers for radio astronomy

Terry Filiba, Dan Werthimer
Department of Electrical Engineering and Computer Science, University of California, Berkeley, 253 Cory Hall, Berkeley, CA 94720, United States of America
XXXth URSI General Assembly and Scientific Symposium, 2011

@inproceedings{filiba2011automatic,

   title={Automatic generation of heterogeneous spectrometers for radio astronomy},

   author={Filiba, T. and Werthimer, D.},

   booktitle={General Assembly and Scientific Symposium, 2011 XXXth URSI},

   pages={1–4},

   year={2011},

   organization={IEEE}

}

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We have developed a software package to automatically generate spectrometers with minimal user input. Spectrometer design is often done by building the instrument from scratch. We have automated this design, creating a parameterized spectrometer that only requires a recompile to implement a change in specification. This spectrometer combines FPGAs and GPUs, doing coarse channelization on the FPGA and sending each subband to the GPUs for further processing. The server software is designed for flexibility, allowing astronomers to easily modify the processing algorithm run on the GPU and customize the instrument to fit their science goals.
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