From Nobeyama Radio Observatory to the international project ALMA—Evolution of millimeter and submillimeter wave astronomy in Japan—

M Ishiguro, K Chiba, S Sakamoto - … of the Japan Academy, Series B, 2022 - jstage.jst.go.jp
radio astronomy to the forefront of the world. As a plan beyond the Nobeyama telescopes,
the Japanese radio astronomy … domain spectrum via the FFT (Fast Fourier Transform) module …

[PDF][PDF] DELTA-DOR ARCHITECTURAL GUIDELINES

RED BOOK - 2024 - public.ccsds.org
… In the FX method, the two data streams are transformed to the frequency domain with FFT
two FFTs. While the first FX correlator was hardware based and developed for radio astronomy