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用三角近似法进行长周期静校分析(Long Period static Analysis byTrigonometric Approximation)F.Kirchhineer。Prakla-Seismes,WestGermany (S6.1) 自动剩余静校正计算通常需要从双程反射时间中提取炮、检静校正值。为了正确识别其空间展布长度大于排列长度的异常,则必须采用普遍使用的简化模型。众所周知;“高斯正交方程”的解系统是退化的和极端病态的。本文描述了用三角多项式作炮点、检波点静校正、地质结构和剩余正常时差校正方法代替正交方程解的近似解法。在这个简化模型上用经典的最小二乘方误差条件,即可唯一确定傅里叶多项式的各个系数。在二维勘探中,炮点分布规则的情况下,这相当于空间波数域,即偏移距中简化模型部份分式的傅里叶变换。研究这个系统的噪声特性,可
Long Period Static Analysis by Trigonometric Approximation by Triangular Approximation F. Kirchhineer. Prakla-Seismes, WestGermany (S6.1) Automatic Remaining Static Correction Calculations often require extracting the cannon from the two-way reflex time and calibrating the corrections. In order to correctly identify anomalies whose spatial distribution length is greater than the length of the arrangement, a commonly used simplified model must be used. It is well known that the solution system of “Gaussian orthogonal equations” is degenerate and extremely pathological. In this paper, an approximate solution to solve the solution of the orthogonal equation by using trigonometric polynomials as shot points, stationary corrections of detection points, geological structure and residual normal time difference correction is described. In this simplified model using the classic least squares error conditions, you can uniquely determine the coefficients of the Fourier polynomial. In the case of two-dimensional exploration, with the rules of shot distribution, this is equivalent to simplifying the Fourier transform of the partial fraction of the model in the spatial wave number domain, ie offset. Study the noise characteristics of this system