Technology of passive location has broad prospects for application. The single observer-passive location method of phase difference rate of change is introduced based on existing methods.
无源定位技术有着广阔的应用前景，文中在现有单站无源定位方法的基础上，介绍了相位差变化率定位法。
In chapter 2, the basic principle and observability for target location utilizing phase difference rate-of-change and Doppler rate-of-change information of emitter is discussed.
论文第二章介绍了利用相位差变化率和多普勒变化率的定位原理，并且通过系统可观测性分析证明了其与角度信息联合利用跟踪目标的可行性。
This topic research is a single-station passive location technology which uses phase difference change rate of the non-cooperation radiant signal to ascertain the target's location.
本课题的主要研究内容就：是如何利用非合作辐射源对运动目标进行无源定位。
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