Although the wave field based pre-stack depth migration is the most reliable method for complex structure imaging, it has a high computation cost and a poor adaptation to geometry.
基于波场延拓的叠前深度偏移是实现复杂构造地质体成像的可靠方法，但存在着计算量大、对观测系统适应性差等缺点。
In a traditional cone-beam ct system, the cost of product and computation is very high.
在传统的CT系统中，系统的硬件成本和计算量都是非常巨大的。
However, the application of the refined models has been limited because of the high cost of computation if it is implemented on traditional CPU platform.
然而传统的基于CPU平台的计算方法成本过高，使得精细化模型的应用受限。
Finally, although some research take cost into consideration, the cost of time and communication is very high and the computation method is fairly complicated.
有的研究考虑了联盟形成的成本，但是联盟形成的通信、时间成本高，计算复杂。
The computation of data CUBE is necessary but high cost in data warehouse.
数据立方的计算在数据仓库中是非常必要但代价很大的操作。
Simulation results show that federated filtering based information fusion method for the multi-sensor satellite system is characterized by small computation cost, high precision and good reliability.
仿真结果表明，采用联邦滤波器对多敏感器卫星姿态确定系统进行信息融合，具有计算量小、精度高、可靠性好等优点。
Simulation results show that federated filtering based information fusion method for the multi-sensor satellite system is characterized by small computation cost, high precision and good reliability.
仿真结果表明，采用联邦滤波器对多敏感器卫星姿态确定系统进行信息融合，具有计算量小、精度高、可靠性好等优点。
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