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9
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vol 63 / September, 2020
Article

DOI 10.17586/0021-3454-2017-60-7-654-659

UDC 535:631.373.826

POTENTIAL ACCURACY OF SLANT RANGE MEASUREMENT WITH THE INERTIAL INPUT CIRCUIT OF RECEIVING SYSTEM

V. D. Le
ITMO University, Department of OpticalElectronic Devices and Systems; Post-Graduate Student


E. G. Lebedko
ITMO University, Saint Petersburg, 197101, Russian Federation; Professor


. Nguyen Tung Duc
ITMO University, Saint Petersburg, 197101, Russian Federation; postgraduate


L. Liu
ITMO University, Department of Optical-Electronic Devices and Systems; Post-Graduate Student


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Abstract. Potential accuracy of slant range measurement for ground objects at the complex structure of the underlying surface is estimated with the account for inertial receiver and the amplifier circuit noise. Effectiveness of the receiver-amplifier path bandwidth expansion is analyzed as a mean to avoid superposition of signals from a local object with returns from the underlying surface. An estimate of energy loss and an accuracy assessment are presented.
Keywords: estimate of time delay variance, slant range, nonstationary illumination, sounding signal, inertial circuit input, delay time

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