| 1. | Aerospace series - circuit breakers - test methods - centrifugal acceleration
航空航天系列.断路器.试验方法.离心式加速 |
| 2. | Laboratory centrifuges ; centrifuge tubes for relative centrifugal acceleration up to 4000
试验室用离心机.相对离心加速度在4000以下的离心机管 |
| 3. | Aerospace series - circuits breakers - test methods - part 508 : centrifugal acceleration
航空航天系列.断路器.试验方法.第508部分:离心式加速 |
| 4. | Numerical analysis of temperature distribution of metal solidification process in centrifugal acceleration field
离心加速场中金属凝固过程温度场分布数值分析 |
| 5. | Aerospace series - circuit breakers - test methods - part 508 : centrifugal acceleration ; german and english version en 3841 - 508 : 2004
航空航天系列.断路器.试验方法.第508部分:离心式加速 |
| 6. | Another is curvature - parabolic method according to centrifugal acceleration of the vehicle in settlement section
另一种是依据汽车在沉降断面上行驶时的离心加速度来进行控制的曲率抛物线法。 |
| 7. | The higher speed of tilting trains mainly depend on increasing the curving negotiate speed , but which will produce larger centrifugal acceleration , reduce the passenger " s ride quality , enhance the lateral force and make the wear serious between wheel and rail
摆式列车主要是依靠提高曲线通过速度达到提速的目的。车辆曲线通过速度提高后，将产生较大的离心加速度。其结果不仅降低旅客的乘坐舒适度，同时将加大轮轨横向力和加剧轮轨间的磨耗。 |
| 8. | Backed up by the soplat theory based on particle kinematics , the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models , which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements . in the third chapter , the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed , and its observable condition is got . the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ) , whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf , mgekf , iekf by computer simulation
在近年来提出的基于质点运动学原理的单站无源定位理论基础上，本文第二章提出了几种在角度测量的基础上增加角度变化率及相对运动的离心加速度等运动学参数的单站无源测量模型，并对它们进行了分析和仿真；第三章分别对利用角度及其变化率信息定位和利用离心加速度信息定位的可观测性进行分析并得到了相应的可观测条件；第四章针对传统扩展卡尔曼( ekf )方法的缺点，提出了一种修正协方差的扩展卡尔曼滤波( mvefk )方法，并将其和ekf 、 mgekf 、 iekf等常用的单站无源定位滤波方法进行了性能仿真比较；第五章通过引入雷达机动目标跟踪方法和模型，提出了利用角度及其变化率对机动辐射源跟踪的多级噪声自适应方法和imm方法；第六章主要对角度变化率和离心加速度参数的获取技术进行了研究，提出了几种高精度测量脉冲序列多普勒频率变化率的方法。 |
| 9. | The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration , and poses several algorithms of measuring pulse doppler shift frequency changing rate . to sum up , this paper studies the key problems in soplat based on particle kinematics and some solutions to them
总而言之，本文系统地研究了基于质点运动学的单站无源定位与跟踪领域的主要关键技术问题并提出了相应的解决方法，其中某些分析结果和方法可直接应用于实际的工程应用。 |
