The two sub-systems are air data system (ADS) and tactical air navigation system (TACAN).

以塔康系统为例对特定频段导航系统信号进行了分析和模拟。

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Based on fuzzy logic and primary principle of detecting air data, the method is designed for optimizing the measuring positions of air sensors in the flush air data system of aircraft.

文中以模糊逻辑为理论基础，结合大气数据的基本探测原理，设计了用于对嵌入式大气数据系统中传感器测量位置进行优化设计的方法。

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But it is notoriously ill-suited to high-tech industries that have to tailor each item to a customer's specific needs (as in a data-switching centre or air-traffic-control system) or in which it is crucial that thousands of interrelated components all work correctly together (as in a rocket vehicle).

ECONOMIST: The land of disappointments