针对空间机动目标,建立了机载单站无源定位的三维模型。
A 3-dimensional model is set up for passive locating of the maneuvering targets in space by single airborne observer.
它把单站信息和地区信息有机地结合在一起去推求设计洪水。
It combines at site and regional information to infer probabilities of extreme hydrological events.
另外,单站要素和本地地形是预报局地暴雨的重要参考因素。
In addition, local meteorological factors and local topography could be taken for factors of the reference to forecast local heavy rainfall.
该产品设计用于单站泵,这些高压离心泵远程安装在发动机室。
Designed specifically for single station-systems, these high pressure centrifugal pumps mount remotely in the engine room or under the sole.
对单站无源定位技术的基本工作原理及其定位精度进行了分析。
This paper analyzed the basic work principle of single observer passive location technology, and it also analyzed the location accuracy.
并用环流特征和单站要素,找到了某些预报雨季起始期的指标。
And some forecast indexes for the rainy season beginning are found with general circulation features and meteorological elements at Xichang Satellite Launch Center.
本文研究利用外辐射源的单站无源定位和跟踪技术的可观测性问题。
This paper studies the state-observability problem for single observer passive locating and tracking using radiation reflected by target from external transmitter.
通过新提出的余切关系定理,解决了单站纯方位观测的非线性问题。
A new cotangent theorem is deduced to solve the nonlinearity for bearing-only measurement.
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。
In this paper, the single observer-passive location method using phase difference change rate is introduced based on existing methods.
提出了相位差与无迹卡尔曼(ukf)算法相结合的单站无源定位方法。
A new single-station passive location method combining phase difference and UKF algorithm is presented.
数字仿真表明,分布式联合、估计算法在各种性能指标上都优于单站跟踪算法。
The Monto Carlo simulation shows that the distributed fusion algorithm performs much better than the local estimation algorithm in every function index and achieves the expected effec…
数字仿真表明,分布式联合、估计算法在各种性能指标上都优于单站跟踪算法。
The Monto Carlo simulation shows that the distributed fusion algorithm performs much better than the local estimation algorithm in every function index and achieves the expected…
单站无源定位与跟踪技术由于自身不辐射电磁波,在电子侦察中扮演着重要角色。
Passive locating by single station technology is not radiate electromagnetic wave when measuring the target's position; it has broad application in electronic reconnaissance.
对宽带线性调频信号的方位角估计以及对这类信号辐射源单站跟踪问题进行了研究。
In this paper, the problem of DOA estimation and single station localization and tracking of wideband chirp signals emitter researched.
目标空间运动模式改变的识别问题;单站一维探测数据和多维探测数据的融合问题;
They are how to recognize the model of movement of a target?how to fuse the information from two-dimension sensors and one-dimensions on one platform or more;
其特点是能对所有GPS站的位移参数及其精确度进行估计和检验,这与通常的单站变形分析方法不同。
The method is different from the one by a single station, and has the characteristics of the displacement parameters and accuracy estimated and tested for all GPS stations.
另外,根据大风前期吐鲁番单站天文动力结构特征分析,也解释和印证了这场翻山大风的内在动力机制。
In addition, according to the astronomical dynamical structure characteristic of single Tulufan station, the dynamical mechanism of the cross over mountain gale was explained.
介绍了一种基于红外成像、序列图像处理和三维运动分析技术的对机动目标的红外单站被动定位新算法。
A new algorithm for infrared mono-station passive location for a mobile target is presented based on infrared imaging, series images processing and three dimensional movement analysis.
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。
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.
与单站SAR不同,一般情况下由于双站平台的速度矢量不同,双站SAR的回波信号是方位平移可变的。
Unlike the monostatic system, the BISAR is in general azimuth-variant system as both the transmitter and the receiver move along different motion trajectories with unequal velocities.
系统地介绍了国内外近年来在无源定位技术中单站和多站定位的各种方法和定位算法,并对其特点进行了分析。
All kinds of methods and algorithms of single station and multi-station location in passive location technologies are systematically introduced, and their characteristics are analyzed in this paper.
大量的仿真研究表明了本算法的有效性,其中多站跟踪比单站跟踪具有更高的精度、算法稳定性和快速收敛性。
Simulation results show the validity of the presented algorithm. Compared with single-sensor tracking, multi-sensor tracking is of higher accuracy, stability and convergence rate.
将一种适用于非线性系统的UKF应用于单站无源定位,并结合具体应用背景,对通常的UKF作了适当的改进。
The Unsctened Kalman Filter (UKF) for nonlinear system is applied in passive locating by single station, and the general UKF is improved according to the specific application.
采用新的思路推导了一种TOA测量方程的线性化方程,分析了测量TOA和DOA单站无源定位的可观测条件。
A linearization equation is deduced through a new idea, and the observability (conditions) (of) (SOPLAT) using TOA and DOA measurements are obtained.
提出了一种利用平面解三角,并结合辐射源信号到达方向和脉冲到达时间差对运动辐射源进行单站无源定位的算法。
An algorithm used trigonometry to passively locating a moving emitter with direction of arrival (DOA) and time difference of arrival (TDOA) of the emitter signal is given.
利用子域基和物理模式基两种不同基函数下的矩量法对平面波照射下的理想细导电圆柱的单站RCS进行了计算和分析。
The article calculates the perfectly conducting thin cylinder RCS in incidence of TM plane wave by using the two different basis MOM.
在分析注水系统节能优化与注水站单站节能优化关系的基础上,提出了将注水系统优化控制简化为单站局部优化控制的构想。
Analyze the relation of the water flooding system and the water flooding station; present a design of simplifying the water flooding system control to water flooding equipment control.
区域频率分析能充分利用相似流域组的资料来扩充信息量,克服单站样本系列资料短缺的局限,解决无资料地区设计洪水的估算问题。
Regional flood frequency analysis is a useful approach method that avoids the shortness of at-site sample series and estimates design flood for un-gauged area.
巴西律师公会正试图让客户更难从正式结盟的事务所,或甚至全球单站式的分公司得到法律谘询,他们在法律实务上正在对抗全球化潮流。
In trying to make it harder for customers to get legal advice from formally allied firms, or even a global one-stop shop, Brazil is moving against a tide towards globalisation in legal practice.
巴西律师公会正试图让客户更难从正式结盟的事务所,或甚至全球单站式的分公司得到法律谘询,他们在法律实务上正在对抗全球化潮流。
In trying to make it harder for customers to get legal advice from formally allied firms, or even a global one-stop shop, Brazil is moving against a tide towards globalisation in legal practice.
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