Study of the 
        dependence  of radar remote sensing data processing results on the 
        processing parameters. 
        Part 1. 
        
        Key features of persistent scatterers technique.
         
        
        
        A. A. Feoktistov 1, A. I . Zakharov 2, 
        M. A. Gusev 1, P. V. Denisov 1
        
        
        1 Joint Stock Company “Russian Space Systems”
        
        
        2 Fryazino branch of Kotelnikov’ Institute of 
        Radio-engineering and Electronics, Russian Academy of Sciences
        
         
The paper is received on December  5, 2014
 
Abstract: Detailed
description of two popular versions of persistent scatterers technique is presented. Basic features
of PS algorithm implementation in the SARscape package are described.
Key words: persistent scatterers technique, PS, SAR, ASAR/ENVISAT,
SARscape, atmospheric phase screen, APS, DEM.