Nowadays integrated navigation system based on Kalman Filtering theory has efficiently increased the costperformanceratio.
目前，基于卡尔曼滤波理论设计的组合导航系统有效提高了导航系统的性能价格比。
2
This paper has put forward a project of scrambling and descrambling which owns attributes of simple structure, low price and high costperformanceratio.
在分析各种加解扰技术的基础上，提出了一种结构简单，成本低，性能价格比较高的电视加解扰方案。
3
The 'Queli "Products provide all over China and export to Southeast Asia, Europe and America, get good comments from customers by the excellent costperformanceratio."