1997
DOI: 10.1029/97rs00450
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Average received signal power after two‐way propagation through ionized turbulence

Abstract: Abstract.In this paper we consider propagation through a structured ionosphere separating a monostatic or bistatic radar and its target. A new analytic calculation of the correlation function of the received, demodulated signal is presented. This result is a function of the locations of the transmit and receive apertures and of time during the duration of the received pulse. Strong scattering is assumed where the one-way scintillation index is unity; under this assumption the parabolic wave equation can be sol… Show more

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Cited by 7 publications
(3 citation statements)
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“…The second part concerns the interactions between the resident space object (in our case, a calibration sphere) and the radar pulse arriving at the target to produce the scattered wave. For the current example, we assume that the target is a frequency-flat point scatterer with unity reflectivity located at a horizontal distance x 1 [Knepp and Brown, 1997]. Under this assumption, the complex amplitude of the scattered wave…”
Section: Simulating Scintillation Effects On Tracking and Foliage Penmentioning
confidence: 99%
“…The second part concerns the interactions between the resident space object (in our case, a calibration sphere) and the radar pulse arriving at the target to produce the scattered wave. For the current example, we assume that the target is a frequency-flat point scatterer with unity reflectivity located at a horizontal distance x 1 [Knepp and Brown, 1997]. Under this assumption, the complex amplitude of the scattered wave…”
Section: Simulating Scintillation Effects On Tracking and Foliage Penmentioning
confidence: 99%
“…In fact, the SAR signal traverses the turbulent ionosphere twice; a two‐way path delay due to multiple scattering is therefore needed. Under the Gaussian approximation in saturated strong fluctuations, the relation between two‐ and one‐way path delays is derived by Knepp and Brown [] based on the power response function, i.e., ts2=2ts, where t s 2 is the two‐way path delay.…”
Section: Ionospheric Effects On Spaceborne Sar Signalmentioning
confidence: 99%
“…The second part concerns the interactions between the resident space object (in our case, a calibration sphere) and the radar pulse arriving at the target to produce the scattered wave. For the current example, we assume that the target is a frequency‐flat point scatterer with unity reflectivity located at a horizontal distance x 1 [ Knepp and Brown , 1997]. Under this assumption, the complex amplitude of the scattered wave A s ( x , z ) becomes where δ ( x ) is the Kronecker delta function.…”
Section: Modeling Two‐way Propagation Effects With a 1‐d Phase Screenmentioning
confidence: 99%