active location system [电子] 有源定位系统
long distance active location 远程主动定位
passive-active detection and location 被动 ; 主动探测与定位系统无源
passive active detection and location 被动主动探测定位系统
Passive location of emitter sources has been playing an important role in navigation, aviation, aerospace and electronic warfare with its outstanding features such as better concealment and not easily disturbed compared to active location.
对辐射源目标的无源定位技术在航海、航空、航天和电子站等领域具有十分重要的地位和作用，相对于有源定位技术来说，它具有隐蔽性好、不易受干扰等明显的优点。
参考来源 - 无源系统测向及时差频差联合定位方法研究It aims to seek the active location methods how to locate mobile phone in emergency system.
本文旨在探讨如何对手机用户进行主动定位,以寻求在应急系统中如何查找手机用户的方法。
参考来源 - 手机精确定位系统的设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
Iceland is on a geologically active location.
冰岛位于地质极端活跃的地方。
At present, China's Beidou geostationary satellites positioning system can only achieve two-dimensional active location, which greatly limits its application.
目前中国的“北斗”双星定位系统只能实现二维有源定位，大大限制了该系统的应用。
To investigate the soil resistance and the active location between the ridger and soil, the test was carried out in the soil bin by the means of orthogonal test.
采用正交试验的方法，对起土铲进行了土壤阻力室内土槽试验，并通过观察确定了起土铲的主要触土部位。
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