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The Ocean Corpus Project - OCP


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Title

COPMARISON OF LS-TYPE METHODS FOR DETERMINATION OF OLIVE OIL MIXTURES ON THE BASIS OF NIR SPECTRAL DATA

Authors

RZM

Summary

The secretiveness of sonar operation can be achieved by using continuous frequency-modulated sounding signals with reduced power and significantly prolonged repeat time.The application of matched filtration in the sonar receiver provides optimal conditions for detection against the background of white noise and reverberation, and a very good resolution of distance measurements of motionless targets.The article shows that target movement causes large range measurement errors when linear and hyperbolic frequency modulations are used.Theformulas for the calculation of these errors are given.It is shown that for signals with linear frequency modulation the range resolution and detection conditions deteriorate.Thesilent sonar, frequency modulation, continuous wave, matched filtering, distance measurement, errors, Doppler effect.©Polish Academy of Sciences.All rights reserved.IntroductionWhen used i

Keywords

secretiveness, continuous frequency-modulated, application, background, reverberation, measurements motionless, motionless targetsthe, measurement, hyperbolic frequency, frequency modulations, calculation, effectskeywords, sciencesall, reservedintroduction,

Links

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