| 1. | Simulation of hypsometry accuracy using 4 - station tdoa 四站时差定位测高精度的仿真研究 |
| 2. | Study on the locator system of travelling - wave caused by fault in power 输电线路故障行波时差定位系统的研究 |
| 3. | It boasts of its low probability of being captured because it does not radiate electromagnetic wave 由于时差定位系统本身不发射任何辐射,所以有低截获概率特性。 |
| 4. | Tri - satellites time - difference localization constellation is made up of three satellites restricted by some geometry shape 三星时差定位星座由三颗具有一定几何构型的卫星协同完成对目标的定位。 |
| 5. | Because of it " s high - precision and fast - location advantages , it is used more and more widely in practice 由于时差定位系统具有精度高、定位快和“四抗”能力强等优点,在工程实际中得到了广泛的应用。 |
| 6. | Finally the localization performance of the new estimator and the ls estimator when one station is raised and the traditional four station three tdoa localization estimator were compared 比较了采用单站升高条件下新定位算法与最小二乘定位算法以及传统四站三时差定位算法的定位性能。 |
| 7. | Two methods to position one fixing object are discussed , one makes use of data observed in one single time , the other makes use of data observed in one period of time 本文讨论了三星时差定位星座对固定目标定位的两种定位方法:利用单个观测时刻数据的定位和利用多个观测时刻数据的定位。 |
| 8. | First the traditional four stations three tdoa localization estimator and the five stations four tdoa localization estimator in the condition of one station is raised were analyzed , and then the simulation result was given 对传统的四站三时差定位算法与单站升高体制下五站四时差定位算法进行了理论分析,并给出了仿真结果。 |
| 9. | The key problem to be solved in multi stations tdoa system is spatial and time synchronism between stations , weak signal detection and solution for high precision location equation 多站时差定位系统也有其自身要解决的关键技术和难点:多接收站之间的时间、空间的同步问题,目标回波的弱信号检测问题,高精度的定位方程组求解方法。 |
| 10. | Referring to the classical location method attributed to geiger , this paper brings up a scheme according to energy tracking and time difference of arrival ( tdoa ) theory to the position location of the survivor . and proves the feasibility of this scheme through a series of experiments 参照经典的地震定位方法( geiger法) ,提出了一种基于能量追踪和时差定位的生命搜索定位技术方案,并且通过模拟实验和计算,论证了该方案的可行性。 |