... estimation of range 范围估计 visual range estimation 目测 passive range estimation 被动测距 ...
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The research work of the dissertation includes the following two parts: researching the passive ranging technology and developing system hardware of the sonar pulse detection module.
本论文的研究工作分为两个部分：被动测距技术研究和声呐脉冲侦察模块系统硬件的研制。
参考来源 - 声呐脉冲侦察及硬件系统实现研究·2,447,543篇论文数据，部分数据来源于NoteExpress
被动测距声纳系统是利用换能器基阵接收的目标辐射（噪声）信号来估计目标距离。
The system of passive ranging SONAR makes use of the target noise received by the equipment which converts energy from one form to another to estimate the target distance.
本论文的研究工作分为两个部分：被动测距技术研究和声呐脉冲侦察模块系统硬件的研制。
The research work of the dissertation includes the following two parts: researching the passive ranging technology and developing system hardware of the sonar pulse detection module.
为了解决红外告警系统中远距离目标测距的难题，提出了三站红外告警系统被动测距的方法。
In order to solve the problem of ranging remote targets in IRST system, a method using triple-station IRST system is presented.
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