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Autocorrelation Function of Return Waveforms in High Precision Spaceborne Radar Altimeters Employing Chirp Transmit Pulses
Min-Ho KA Aleksandr I. BASKAKOV Anatoliy A. KONONOV
IEICE TRANSACTIONS on Communications
Publication Date: 2007/11/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
autocorrelation function, correlation interval, remote sensing, spaceborne radar altimeter, ultra wideband signals,
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This paper analyses the autocorrelation function of return waveforms in high precision radar altimeters employing chirp-pulse transmit signal under the condition of near-nadir deviations of the antenna boresight axis. It is shown that in case of ultra wideband transmit signals providing very high time resolution the correlation function can be approximated by a product of two separate functions of time.