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摘要
The principle and fundamental structure of a millimeterwave electric-field cross-correlation Fourier transform spectrometer are presented. In the spectrometer, two pseudorandom binary sequences (PRBS) with controllable phase variation are used to modulate individually two microwave fields derived from the same source, thereby two wide bandwidth microwave signals with variable phase delay are obtained. And the Fourier transform of the cross-correlation function of these microwave signals is the cross-power spectrum. Some experimental results about the spectrometer are given in 8mm-wave range.
- 出版日期1992-4
- 单位中山大学
