Project(2006AA12Z156)supported by the National High Technology Research and Development Program of China;Projects(40974006,40774003)supported by the National Natural Science Foundation of China;Project supported by Construct Program of the Key Discipline in Hunan Province,China;Projects(2011GK3106,2011SK3077)supported by Science and Technology Department of Hunan Province,China
The subsidence of the mining area was monitored by analyzing the phase of permanent scatters (PS) which maintained high coherence in magnitude of SAR images.A hew method of spatial unwrapping was presented which use...