One scene of ERS-2 SLC imagery was selected as major test data and Ground Control Points (GCP) were manually collected.
从中选择了一景ERS-2 SLC数据作为主要实验数据，并手工采集了控制点。
By using ERS-1/2 data, spectrum-shift filtering scheme in both range and azimuth directions is implemented.
针对ERS-1/2数据， 设计并实现了距离和方位向上的谱移滤波；
Based on computer simulation, certain terrain is set and the effect of noise reduction of new method is verified. ERS-1/2 real data are also used to verify the validity of the new algorithm.
基于计算机仿真，设置地面场景验证了新算法的降噪效果，同时以ERS-1/2真实数据验证了新算法的有效性。
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