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问题的提出:1975年到1976年我们曾研究了提取剩余静校正的方法,并进行理论模型和实际资料的试算工作。结果证明,在“共炮点和共接收点平面上提取相对剩余静校正的方法,有一个严重的缺点——累积误差。实际资料中很难保证每一个相对值都提取正确,必然使结果发生一系列错误。为此须寻求新的方法,克服这个缺点。 1976年以来,为了能直接求取每个地面点的绝对剩余静校正值(以下简称静校正值),进行了不同方法试算,结果证明:用多道迭加模型道(简称多道模型)作为提取
Proposed problem: From 1975 to 1976, we studied the method of extracting residual statics, and tried the theoretical model and actual data. The results show that there is a serious disadvantage of accumulating errors in the method of extracting the relative residual statics from the common shot and common receiving plane. It is difficult to ensure that every relative value is extracted correctly in the actual data and the result is inevitable A series of mistakes.To this end, we must find new ways to overcome this shortcoming.After 1976, in order to obtain the absolute residual static correction value of each ground point directly (hereinafter referred to as static correction value) The result proves that multi-channel superposition model (multi-channel model) is used as the extraction