Signal design is the key in a multi-target underwater acoustic positioning system.
信号设计是多目标水声定位系统的关键。
Nowadays, the underwater acoustic positioning system is the mainstream of underwater navigation and localization.
从目前来看，水声定位系统是水下导航定位的主要手段。
The experiment results also show that the frequency hopping mode based on the COSTAS array is suitable for multi-target underwater acoustic positioning.
试验结果也证明了采用这种基于COSTAS阵列的跳频工作方式较为适合水下多目标声学定位。
For underwater acoustic positioning system based on measurement of time_delay, range ambiguity appears when pulse's propagating time is longer than its repetition period.
基于时延测量的水声跟踪定位系统，当信号传播时延大于脉冲重复周期时，就会出现距离模糊。
The key techniques of underwater acoustic positioning and navigation are the navigation method and the precise calibration of the absolute position of the seabed transponder.
导航方法和海底应答器绝对位置的校准是水声定位导航技术的关键。
The key techniques of underwater acoustic positioning and navigation are the navigation method and the precise calibration of the absolute position of the seabed transponder.
导航方法和海底应答器绝对位置的校准是水声定位导航技术的关键。
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