pspi meaning in English
相移加内插
Examples
- When the concentration of pspi was 17 . 5 mg / l , the inhibition rate could be 50 % , compared with 40 % of pc group
Smgjlx可使固定化藻蓝蛋白对sw1990细胞的抑制率由不加多糖的40上升为50 。 - Normal method was used to purify the polysaccharide of spirulina platensis , pspi ( mw23000 ) was got . pspi had cooperativity for immobilized pc to inhibit pancreatic cancer cells
在第四章中，研究了光固定化藻蓝蛋白在藻多糖的协同作用下对人胰腺癌细胞sw1990生长的抑制作用。 - The paper concentrates on seismic wave - field forward modeling and migration for the fractured reservoir . it researches the wavefield extrapolation operator for lateral variation of velocity , design four theoretical models and seven practical models with fracture and cavity . base on the progenitor , in the frequency - wavenumber domain with the pspi wavefield extrapolation operator and arithmetic of forward modeling and migration that applied lateral variation of velocity which is strong , the paper obtains the result of numerical simulation and the wavefield characteristic by the way of the forward modeling and depth migration of poststack seismic wavefield
本文围绕缝洞储层地震波场正演与偏移问题，研究了适用于横向变速波场延拓算子，建立了四个理论的缝洞模型和七个实际的缝洞模型，在总结、分析前人的研究成果的基础上，利用适合横向速度剧烈变化的相移加插值的波场延拓算子，在频率?波数域对上述的地质模型进行正演、偏移处理，最后得到了缝洞储层地震波场的一些特征。 - Firstly , the paper starts from the one - way wave equation of wavefield extrapolation , research the relationship and transform condition of wavefield extrapolation operators , and improves on the wavefield extrapolation operator and so heightens the operation efficiency , and chooses the pspi that fits to the lateral variation of velocity to resolve the wave - equation , which lay a foundation of the theoretic study
首先，从波场延拓的单程波方程出发，研究了频率?波数域的波场延拓算子之间的相互关系和转换条件，并在此基础上改进了波场延拓方案和提高了运算效率，选择了适合于纵横向速度剧烈变化的pspi方法求解波动方程，为整个研究打下了理论基础。