三度剩余重力异常源全方位成像的理论和方法

根据三度体引力位V（p）和引力场（总引力场F（p）及其垂向分量△g（p））的球谐分析理论,在球坐标系内,就起伏观测面上的三度体剩余重力异常△g（p）,提出了一种异常源全方位成像的理论和方法.其特点是：直接利用起伏观测面上的异常数据；把垂直引力场△g（p）的全方位延拓及其向总引力场F（p）和引力位V（p）的转换,和△g（p）异常源质量、质心、形态、边界位置反演等诸多问题的解决有机地结合起来,给出了多方位的场源图像,能够为最优化反演方法提供初始模型选择的依据.

M MORY AND METHD OF ALL-DIRECTION IMAGERY OF 3D GRAVITATIONAL RESIDUAL ANOMALY SOURCE

On the basis of the sphed harmonic analysis theory of 3D-body's gravity poten-hal Vly) and gravity fields (Fly) and Agly)), in SPherical coordinate system, for3D-body's gravitahonal residual anomaly Ag ly) at the topograPhic suifaCe, the auth0rpresentS the thcory and meth0d 0f all-diedon bogery of 3D gravitahonal reSdualanomaly source- The charaCtet-S of the theory and method are: l' able t0 use direCtiy ofAgly) anomaly data at the topographic surf are; 2' able t0 resolve tavely the problemsof the all-diedon conhnuahon of hely), the calculahon of Fly) and Vly) from Agly),the invers0n of all mass, the center of mass, the shape, the bundery of 3D anomalysourm and to give all-diedon bogery of 3D anomaly souere; 3' able t0 offer the ex-tents of inihal paramdri of the model f0r setalon invers0n methods'