radar ,sonar , navigation meaning in Chinese

雷达，声波导航

The perfect signal theory and its design have widely application and play an important role in optimizing design in the system of modern communication , radar , sonar , navigation , space ranging and controlling
最佳信号理论及其设计在现代通信、雷达、声纳、制导、空间测控以及电子对抗等系统的优化设计中，有着广泛的应用并扮演着重要的角色。
The perfect discrete single and its design method play an important part in the optimizing design in the area of modernistic communication , radar , sonar , navigation , space ranging and controlling and electronically antagonism systems
最佳离散信号及其设计在现代通信、雷达、声纳、制导、空间测控、以及电子对抗等系统中，扮演着越来越重要的角色。