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。
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。
Therefor, a single observer passive location method was proposed by using direction of arrival, phase difference rate-of-change, frequency and Doppler frequency rate-of-change in this paper.
为此，提出一种利用空频域信息的固定单站无源探测定位方法，利用波达方向、相位差变化率、载波频率及多普勒频率变化率实现对运动目标的无源定位。
There is significant difference in the rate, the phase and even degree of sprouting among the populations.
实验结果表明，各半夏居群间的出苗率、出苗整齐度差异显著。
In this paper, the single observer-passive location method using phase difference change rate is introduced based on existing methods.
该文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。
The capillary tube model in subcooling single-phase region and two-phase region was established, and the difference of mass flow rate is within 10% between the predicted and the measured values.
建立单相区和两相区毛细管模型，模型计算的毛细管质量流量与实验测量的质量流量差别小于10%。
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。
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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