MEASUREMENT OF THE MUTUAL SPECTRAL POWER DENSITY WITH THE AID OF ACOUSTO-OPTIC PROCESSORS.

被引：0
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作者：
Bokov, L.A.
Krakovskii, V.A.
Pugovkin, A.V.
机构：
来源：
Radio Engineering and Electronic Physics (English translation of Radiotekhnika i Elektronika) | 1982年 / 27卷 / 06期
关键词：
ACOUSTOOPTICAL DEVICES;
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摘要：
An acousto-optic analog of Yung's interferometer is proposed that makes it possible to measure the spectral power density of signals and to separate out their quadrature components. An expression for the diffracted field intensity at the interferometer output is obtained. Results of computer analysis of the errors arising in the measurement of the phase shift between the spectral components of the investigated signals are presented. An acousto-optic interferometer was built on the basis of theoretical investigations. A two-channel modular using LiNbO//3 was built. The interference pattern was read with the aid of a line of photoreceivers.
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页码：115 / 120
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