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- W2353476435 abstract "Radar altimeter has become one of the most useful microwave sensing instruments for observing the earth in the past three decades, and the results from several successful missions, such as Geosat、ERS1+2 and Topex,has been widely used in many geodesy field, particularly in ocean topography. Error analysis is one of the core techniques in the design of Spaceborne Radar Altimeter, because the altimeter data may be impractical for some application cases without adequate precision. Amplitude and phase ripples of the RF system are important error sources in height measurement. This paper deals with the error issue with the help of the well-established tool——paired-echo theory. Firstly, we consider that the ripples have the sinusoid forms, and then we can convert these ripples into range side lobes. On the other hand, we establish the form of the side lobe and derive the relationship between side lobes and height bias. In this way we can establish the relationship between amplitude (phase) ripples and height bias. And finally, applying this method to a practical system, we can get some quantitative requirements for the amplitude and phase ripples. These requirements are very critical in radar altimeter design." @default.
- W2353476435 created "2016-06-24" @default.
- W2353476435 creator A5084933112 @default.
- W2353476435 date "2011-12-26" @default.
- W2353476435 modified "2023-09-23" @default.
- W2353476435 title "The Analysis and Estimate of the Bias due to the Amplitudeand Phase Ripples in Spaceborne Radar Altimeter" @default.
- W2353476435 doi "https://doi.org/10.11873/j.issn.1004-0323.2004.6.498" @default.
- W2353476435 hasPublicationYear "2011" @default.
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