A practical spectrometer based on SAW chirp z transform

CHEN Dongpei; GONG Junjie; ZHOU Xianwen; XIE Shu; WEI Yulan

doi:10.15949/j.cnki.0371-0025.1991.01.007

CHEN Dongpei, GONG Junjie, ZHOU Xianwen, XIE Shu, WEI Yulan. A practical spectrometer based on SAW chirp z transform[J]. ACTA ACUSTICA, 1991, 16(1): 37-46. DOI: 10.15949/j.cnki.0371-0025.1991.01.007

Citation:

CHEN Dongpei, GONG Junjie, ZHOU Xianwen, XIE Shu, WEI Yulan. A practical spectrometer based on SAW chirp z transform[J]. ACTA ACUSTICA, 1991, 16(1): 37-46. DOI: 10.15949/j.cnki.0371-0025.1991.01.007

Citation:

CHEN Dongpei, GONG Junjie, ZHOU Xianwen, XIE Shu, WEI Yulan. A practical spectrometer based on SAW chirp z transform[J]. ACTA ACUSTICA, 1991, 16(1): 37-46. DOI: 10.15949/j.cnki.0371-0025.1991.01.007

A practical spectrometer based on SAW chirp z transform

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SAW chirp z transform processors are widely accepted as a promising supporting technique for real time Fourier transform signal processing It has come into use since the end of 1970's. In this paper a practical SAW CZT spectrum analyzer with a broadband and a high frequency re-solution designed for use in radio astronomy is discussed. It's performances and specifications tested under laboratory conditions as well as a method to extend the duty cycle of SAW CZT processor from 50% to 100% are presented.

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