A novel method is developed to design the gain flat multiwave pumped fiber Raman amplifier.
提出了一种优化设计多波抽运拉曼光纤放大器的方法。
The geologic correlation of multiwave and multicomponent seismic data is the most important and fundamental work.
多波多分量地震地质层位对比是多波地震资料解释和应用中最关键、最基础的工作。
The basic study of the multiwave seismic technique is not enough in our country. There should be a lot to be improved.
我国在多波的基础性研究方面还很欠缺，在许多方面还有待加强。
Since 1990s, the seismic techniques of multiwave and multicomponent applied successfully in ocean petroleum exploration.
90年代以来，多波多分量地震技术在海上石油勘探中获得成功。
In practice, direct wave in near-offset multiwave VSP satisfies this approximate condition; so this method is of practical importance.
实际中，小井源距多波vsp观测的直达波满足这种沿垂直对称轴方向的近似条件，因此本方法具有重要的实际意义。
An inversion of velocity structure of crust and upper mantle by using converted PS wave and multiwave PPP etc, is reported in this paper.
本文是研究利用天然地震PS转换波及PPP等二次波到时资料反演地壳上地幔速度结构的尝试。
At present, the deep shear wave source technique is still in juvenility, major multiwave technical studies are directed against transformed waves.
目前深层横波震源技术尚不成熟，大量的多波技术研究仍然是针对转换波。
Results of calculation for models indicate that these techniques can be satisfactorily employed for multiwave prospecting as well as for conventional single type wave prospecting.
模型试算的结果表明，该方法适用于三种波的多波勘探，也可用于常规的单波勘探。
According to the problems of the offshore multiwave data processing, the authors of this paper have researched a set of the offshore multiwave data processing methods and software.
作者针对海上多波资料处理问题，研究并建立了一套海上多波资料处理方法和软件。
According to the problems of the offshore multiwave data processing, the authors of this paper have researched a set of the offshore multiwave data processing methods and software.
作者针对海上多波资料处理问题，研究并建立了一套海上多波资料处理方法和软件。
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