Analysis of the impact of ASCAT's pulse compression

Xavier Neyt; Nicolas Manise; Marc Acheroy

doi:10.1117/12.690180

13 October 2006 Analysis of the impact of ASCAT's pulse compression

Xavier Neyt, Nicolas Manise, Marc Acheroy

Proceedings Volume 6360, Remote Sensing of the Ocean, Sea Ice, and Large Water Regions 2006; 63600E (2006) https://doi.org/10.1117/12.690180
Event: SPIE Remote Sensing, 2006, Stockholm, Sweden

Abstract

The primary measurement objective of the Advanced Scatterometer ASCAT, a spaceborne real aperture C band radar, is the determination of wind fields at the ocean surface. Unlike AMI instruments on-board ERS satellites, ASCAT uses long transmit pulses with linear frequency modulation (chirps) allowing the application of low peak transmission power while retaining a high SNR. A pulse-compression is performed on the received signal. This paper will focus on the impact of the use of pulse compression in particular on the location accuracy of the samples in presence of external perturbations. An eventual location error has important consequences on the normalization as well as on the geolocation of the measured data.

Citation Download Citation

Xavier Neyt, Nicolas Manise, and Marc Acheroy "Analysis of the impact of ASCAT's pulse compression", Proc. SPIE 6360, Remote Sensing of the Ocean, Sea Ice, and Large Water Regions 2006, 63600E (13 October 2006); https://doi.org/10.1117/12.690180

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