InSAR Time Series Analysis of L-Band Wide-Swath SAR Data Acquired by ALOS-2

International Policy on Wide Swath SAR Ocean Weather Data

ignificant benefits of wide swath synthetic aperture radar data for ocean weather observations have been demonstrated in principle. However, several obstacles must be overcome for this application to achieve its full potential as an operational system. Three themes emerge when considering these obstacles: data utility, data supply, and data policy. This article provides a summary of these issue...

ALOS−PalSAR Pol−InSAR Data Analysis: First Results

This paper presents a first calibration and quality analysis of Pol−InSAR data acquired by the ALOS−PalSAR based on deterministic and extended scatterers. The calibration of Pol−InSAR data requires the estimation and compensation of polarimeteric and interferometric system and propagation (through the ionosphere and atmosphere) induced distortions. Constant phase errors/offsets appear in the po...

Time series analysis of InSAR data: Methods and trends

Time series analysis of InSAR data has emerged as an important tool for monitoring and measuring the displacement of the Earth’s surface. Changes in the Earth’s surface can result from a wide range of phenomena such as earthquakes, volcanoes, landslides, variations in ground water levels, and changes in wetland water levels. Time series analysis is applied to interferometric phase measurements,...

Land subsidence in central Mexico detected by ALOS InSAR time-series

Improved Motion Compensation for Wide- Beam Wide-swath Airborne Sar

In order to gain consistent focusing quality all over the imaging region for wide-beam wide-swath airborne synthetic aperture radar (SAR), higher motion compensation (MoCo) accuracy at the edge of the swath is needed. In this letter, an improved MoCo approach is proposed, and its performance is validated by using simulated data, as well as real data collected by a P-band SAR system.