煤田火区地表形态变化是煤火监测和分析的可用指标之一’由于矿区地表严重的去相干噪声，使得星载合

成孔径雷达干涉测量技术应用于煤田火区地表形变检测比较困难’结合煤田火区地表形变特点，利用 4 波段的

-45( -4(-! 数据进行差分干涉处理，利用干涉条纹频率精确估计基线，并用自适应滤波方法降低去相干噪声的

影响’在去除平地相位和参考地形相位后，获取煤田火区的地表形变’研究表明: 地表形变与煤火燃烧具有一定

的相关关系，通过地表形变分析有助于对地下煤火燃烧情况的判断 利用差分干涉 (-! 技术检测煤田火区地表形

变，进而对煤火进行监测和分析是可行的’

-Coal fire area surface morphology change is one of the available indicators of coal fire monitoring and analysis of　due to the mining area surface serious to coherent noise, the spaceborne

Into aperture radar interferometry technique is applied to coal fire area of surface deformation detection more difficult　combining with the characteristics of surface deformation in coal fire area, use 4 band

- 45 ( - 4-! Differential interference in the data processing, the baseline is estimated based on the interference fringe frequency precision, using adaptive filtering method to reduce to the coherent noise

Reference terrain effects in removing the ground　phase and phase, for coal fire area surface deformation　research shows that: the surface deformation and coal fire burning has certain

The correlation between, through the analysis of the surface deformation helps burning of underground coal fire situation judgment Using differential interference (-! Technology to detect coal fire area