The velocity analysis accuracy may be raised by applying iterative stacking method and multiplying model trace stacking method to common-range gathers.
采用同炮检距道集进行迭代叠加和乘模型系数道叠加，可以提高速度分析的精度。
The method for synthesis of corrected three-wavelengths spectrometers for trace gas components of atmosphere on the basis of development of mathematical model has been suggested.
从数学模型出发，对用于测量大气中痕量气体成分的三波长光谱仪进行了分析。
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