Radix-4 Butterfly LSI in Direct-Imaging Waseda Radio Interferometer for a Pulsar Survey

Tanaka Naoki; Daishido Tsuneaki; Takeuchi Hiroshi; Akamine Yukinori; Kuniyoshi Masaya; Suemitsu Taisei; Fujii Fumiyuki; Gotoh Kentaro; Suzuki Tomoya; Mizuki Saori; Mizuno Keiju; Fukuoka Koji; Suzuki Masahiro

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Radix-4 Butterfly LSI in Direct-Imaging Waseda Radio Interferometer for a Pulsar Survey

机译：用于脉冲星测量的直接成像早稻田无线电干涉仪中的Radix-4 Butterfly LSI

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IntheNyquistratedirect-imaginginterferometeratWasedaUniversity,aradix-4butterflyLSIhasbeendevelopedforthespatial-temporal(2+1)DFFTprocessortosurveypulsars.In(2+1)DFFT,thefirst2DFFTisa2DdirectionalfindingspatialFFTprocessingforan8times8pixelimage.Thesecond1DFFTisa1DspectralfindingtemporalFFTprocessingfora64chfrequencyanalysisineach64pixels.Sincefewermultipliersarerequiredinradix-4FFTthaninradix-2FFT,wehaveimplementedradix-4algorithmsinthepresentbutterflyLSI.Thisimplementation,using512radix-4butterflyLSIs,couldreducethecircuitsizeoftheparallelandpipeline(2+1)DFFTprocessor.Additionalfunctions,suchasshiftregisters,digitalfiltersandpost-processsections,arealsoincludedintheLSIforaradiointerferometricpulsarsurvey.

机译：IntheNyquistratedirect-imaginginterferometeratWasedaUniversity，aradix-4butterflyLSIhasbeendevelopedforthespatial - 时间（2 + 1）DFFTprocessortosurveypulsars.In（2 + 1）DFFT，thefirst2DFFTisa2DdirectionalfindingspatialFFTprocessingforan8times8pixelimage.Thesecond1DFFTisa1DspectralfindingtemporalFFTprocessingfora64chfrequencyanalysisineach64pixels.Sincefewermultipliersarerequiredinradix-4FFTthaninradix-2FFT，wehaveimplementedradix-4algorithmsinthepresentbutterflyLSI.Thisimplementation，using512radix-4butterflyLSIs，couldreducethecircuitsizeoftheparallelandpipeline（2 + 1） DFFT处理器。其他功能，例如移位寄存器，数字滤波器和后处理部分，也包括在LSI的用于干涉干涉脉冲测量的LSI中。

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《PASJ: Publications of the Astronomical Society of Japan》 |2000年第3期|共页
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Tanaka Naoki; Daishido Tsuneaki; Takeuchi Hiroshi; Akamine Yukinori; Kuniyoshi Masaya; Suemitsu Taisei; Fujii Fumiyuki; Gotoh Kentaro; Suzuki Tomoya; Mizuki Saori; Mizuno Keiju; Fukuoka Koji; Suzuki Masahiro;
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1. Receiver gain calibration for radio observations at the Waseda Nasu Pulsar Observatory [J] . Niinuma K, Kuniyoshi M, Matsumura N, Publications of the Astronomical Society of the Pacific . 2007,第851期

机译：早稻田那须脉冲星天文台的无线电观测接收机增益校准
2. ARECIBO PULSAR SURVEY USING ALFA: PROBING RADIO PULSAR INTERMITTENCY AND TRANSIENTS [J] . J. S. Deneva1, J. M. Cordes1, M. A. McLaughlin2, The Astrophysical journal . 2009,第2期

机译：使用ALFA进行的ARECIBO PULSAR调查：探究无线电脉冲的间歇性和瞬态
3. Peculiarities in emission of radio loud and radio quiet gamma pulsars and gamma quiet radio pulsars [J] . I.F. Malov, M.A. Timirkeeva Astronomical and astrophysical transactions: The journal of the Soviet Astronomical Society . 2016,第4期

机译：辐射无线电安静伽马脉冲和伽玛静音无线电脉冲条发射的特殊性
4. Peculiarities in the Emission of Radio-Loud and Radio-Quiet Gamma Pulsars and Gamma-Quiet Radio Pulsars [C] . I. Malov, M. Timirkeeva Conference on Stars: from Collapse to Collapse . 2017

机译：在放射无线电和无线电安静的伽马脉冲和伽马静音无线电脉冲条件中的特点
5. A SEARCH FOR RADIO PULSARS IN THE NORTHERN SKY: DISCOVERY OF A PULSAR IN A UNIQUE BINARY SYSTEM. [D] . DAMASHEK, MARC. 1983

机译：在北部天空中搜索无线电脉冲：在唯一的二元系统中发现脉冲。
6. Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar [O] . Colin J. Clark, Holger J. Pletsch, Jason Wu, 2018

机译：爱因斯坦@霍姆发现无线电波静默的伽马射线毫秒脉冲星
7. Radix-4 Butterfly LSI in Direct-Imaging Waseda Radio Interferometer for a Pulsar Survey [O] . Naoki Tanaka, Tsuneaki Daishido, Hiroshi Takeuchi, 2000

机译：直接成像WASEDA无线电干涉仪的RADIX-4蝴蝶LSI进行脉冲柱调查

Radix-4 Butterfly LSI in Direct-Imaging Waseda Radio Interferometer for a Pulsar Survey

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