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In this paper the Pol-InSAR calibration - including coherence, phase and ionospheric calibration - of ALOS-2 is addressed based on repeat-pass fully polarimetric interferometric SAR data acquired over different sites during the CAL-VAL phase. ALOS-2, launched in May 2014, provides the possibility to demonstrate quantitative Pol-InSAR techniques from space over a wide range of test sites. Compared...
During influence of non-informative factors on the sensors signals it is necessary to improve its accuracy. In this paper it described the reduction method of calibration points of multisensors which allow significantly reduce the amount of calibration points which led the transition to individual transfer functions of such sensors and also is not too labor consuming. It is proposed the generalized...
This paper covers the kinematic modeling of a flexure-based, hexapod nanopositioner and a new method of calibration for this type of nanopositioner. This six degrees of freedom tri-stage nanopositioner can generate small displacement, high-resolution motions with high accuracy by actuating three inexpensive, high quality planar stages. Each stage is equipped with linear actuators. In this paper, we...
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