The paper focuses on the stripe noise that only but often occurs in SAR image. The paper analyses the spectrum of the image with noise

discusses the limitations of the repairing methods which always being used and presents a new method

Orientation Filter

to eliminate noise. The correctness of the method is verified in this paper

and the steps of applying the orientation filter are provided. Experiments proved that orientation filter can satisfactory filter the stripe noise and preserves as many target characteristics of original images as possible.