A number of reports detailing wide-ranging system security breaches have been at the forefront of the news in the past couple of years.
在过去几年中，很多详细谈论大范围的系统安全问题的报道成为新闻的一大热点。
Through theoretical analysis we can find that the laser power and the beam quality are the most important factors that affect the performance of the laser ranging system.
经过理论分析可知，激光测距系统的出射激光功率以及光束质量是影响测距系统性能最主要的两个因素。
The unambiguous distance of tone ranging system is limited by the lowest frequency of tone.
侧音测距系统的最大无模糊距离受到侧音信号最低频率的限制。
An ultrasonic ranging system is designed for creeping robot to avoid obstacle, which measures the distance by time-of-flight.
介绍了一种能用于爬行机器人避障的超声测距系统，通过渡越时间法测距。
The design of code loop is the key point in the ranging system. And the choice of its parameter greatly affect the trace curve.
码跟踪环的设计是伪码测距系统的一个关键环节，其参数的选择对环路跟踪曲线影响很大。
Maximum entropy spectral estimation and LMS adaptive algorithm were proposed to extract the reflection echo signal of laser ranging system.
提出了最大熵谱估计和LMS自适应算法提取激光测距系统的反射回波信号。
In this paper, research is based on the principle of high-precision ultrasonic ranging system, designed a high-precision and short distance measure system.
基于此，本文研究和设计了一种近距离高精度超声波测距系统。
In the experiment, we build the laser diode radar ranging system, and use of the devices under different conditions of a large number of fixed-point ranging experiments.
在实验上，搭建了测距型激光二极管雷达的实验装置，并利用该装置进行了不同条件下的大量定点测距实验。
Abstract: Analysis of echo photons' characteristics in laser ranging system is of great significance for laser ranging theory, system design as well as performance evaluation.
摘要：激光测距系统回波光子特性分析对激光测距理论研究、系统设计以及性能评估具有重要意义。
Simluation results show that the maximum entropy spectral estimation and LMS adaptive algorithm can extract echo signal of laser ranging system effectively from background noises.
仿真分析表明，最大熵谱估计和LMS自适应算法相结合可以有效地从背景噪声中提取有用的激光反射回波信号。
Finally, an echo simulating model is built for the laser ranging system of a real self-propelled AA gun, and is investigated by using SCTROF. The results show that SCTROF is effective.
并以一个实际自行高炮的激光测距系统为原型，建立了其回波仿真模型，用SCTROF对此仿真模型进行了研究，结果表明，该理论是有效的。
The underwater docking device, the underwater acoustic ranging system and the host computer are described in this paper. The hardware and software of the experimental platform are also introduced.
对实验平台的水下对接装置、水声定位系统和控制主机进行了具体的介绍，对实验平台的功能、硬件组成和软件设计进行了详细的说明。
The underwater docking device, the underwater acoustic ranging system and the host computer are described in this paper. The hardware and software of the experimental platform are also introduced.
对实验平台的水下对接装置、水声定位系统和控制主机进行了具体的介绍，对实验平台的功能、硬件组成和软件设计进行了详细的说明。
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