| 1. | This paper develops a method to estimate position of emitter based on distribution characteristics of bearing measurement errors
摘要在测向交叉定位的基础上，提出了一种根据测向误差概率分布特性估计目标位置的方法。 |
| 2. | This shows cross - positioning wo n ' t injury consumer ' s perceived loyalty of the core brand , and will extend the core brand ' s mature period
这些表明，交叉定位并不损害消费者对核心品牌忠诚度的认知，对延长核心品牌的成熟期具有一定的提升作用。 |
| 3. | In chapter 4 , a method for space registration of the measurements gotten by several observers in different coordinate system is presented and the accuracy is discussed
第四章提出了一种多机测向交叉定位空间配准方法并推导了配准后的定位误差。 |
| 4. | In chapter 5 , the causes of the problem and the effects caused by it that measurements are gotten sequentially by several planes in location and tracking system using doa measurements with multi - planes are studied and the observability is discussed
第五章研究了测向交叉定位中多机观测不同步问题,进行了可观测性分析,引入了scaat方法处理多机不同步测向数据,并进行了仿真实验。 |
| 5. | In order to limit the sensor numbers of the crossing location association method in high clutter or target density environment , a generalized likelihood ratio approach to eliminating ghosts is given . the approach is based on the fact that the sound intensity distribution of the same target is identical
为了防止当目标密度或杂波密度较大时，交叉定位融合需要传感器过多，根据同一目标的声压分布一定的特点，设计了一种消除交叉定位中虚假目标的广义似然比检验法。 |
| 6. | Based on analyzing the mechanism of direction finding triangulation location and location accuracy for two - ship passive locating , the acquisition probability model of anti ship missile terminal guidance radar is presented for two - ship passive locating : and the effects of the key factors to the probability are analyzed , and then the primary factors are pointed not by analyzing the results in different conditions
摘要首先简要介绍了无源定位技术，然后着重分析了双舰无源测向交叉定位以及其误差产生的机理，在此基础上，给出了双舰无源定位情况下实施超视距攻击时，反舰导弹末制导雷达开机时刻对目标的捕捉概率模型，并通过仿真分析双舰距离。 |
| 7. | The implement of direction finding cross location and errors analysis are on the focus . the multi - warships bearings - only tracking algorithm based on direction finding cross location and distributed multi - warships bearings - only tracking are also presented . ( 6 ) the observation prerequisite of single warship bearings - only tracking is analyzed , and optimal maneuver of the observer warship is discussed
5研究了多舰纯方位跟踪的算法，把多舰纯方位跟踪分成集中式跟踪和分布式跟踪两类，并分别进行了分析比较，重点研究了测向交叉定位法的实现及误差分析，给出了基于测向交叉定位的多舰对运动辐射源的跟踪算法和基于信息融合的多舰纯方位分布式跟踪算法。 |
| 8. | On the theory of bearing cross localization , the algorithm puts forward nonlinear equations of bearing and position variables , then convert the nonlinear equations to linear equations , and finally gives multiple - vessel localization algorithm based on least squares theory and considering bearing accuracy factors
该算法的实质是基于多舰侦察设备的测向角度、位置信息，利用纯方位交叉定位原理，建立非线性观测方程；通过泰勒展开将非线性系统转化为线性系统；利用最小二乘原理并考虑测向精度的权重因素，提出了多舰的定位模型。 |
| 9. | Considering the time delay of sound transfer , a least square line - of - sight location method is presented in this paper . 4 . filtration matrix is developed to make the problem of multiple target tracking in net can be regarded as a problem of multisensor - multitarget tracking in a same region
利用最小二乘理论，研究了多静止站单目标无源纯方位定位方法，给出了多静止站单目标的视线交叉定位算法，同时针对声音传播的延时特性，提出了处理具有延时特性的最小二乘迭代视线交叉定位算法。 |
