四元十字阵的测向和测距精度受目标方位角的影响,而五元十字阵就可以克服这一缺点。
The accuracy of Angle and range estimation of acoustic localization method based on four-element sensor array is influenced by target azimuth Angle.
方位角联合估计方法有利于增强目标方位角估计的适应性,提高目标分类和识别的效率。
The combined method can improve the adjustability of azimuth estimation, and then can facilitate target classification and recognition effectively.
提出一种以目标检测、目标分割、目标方位角估计和目标不变性特征提取为线索的SAR目标识别框架。
We propose a multistage SAR target recognition process based on target detection, target segmentation, target aspect estimation and invariant feature extraction.
理论分析和仿真结果表明,对非相关或相干信号,MUSIC算法是一种有效的测量目标方位角的方法。
The theory analysis and simulation results demonstrate that, to the non-correlation signal, MUSIC algorithm is also an effective method for the measure of target direction angle.
对文献中已给的目标方位角的最小均方误差表达式进行了推导,并且给出了方位角的最小均方误差和噪声偏差之间的关系。
Extend the expressions of the minimum mean squared error bounds of the references, and give the relations of the minimum mean squared error bounds of pose Angle and noise standard deviation.
通过分析相关试验数据,可以看出高精度的炮塔方位角有助于提高系统对目标的探测精度和截获概率。
Through analysis for related test data, it can be seen that high accuracy turret azimuth Angle has improved target capture probability and target detection precision of system.
本文研究了一种新的高频地波超视距雷达目标距离以及方位角超分辨问题。
Super resolution for target range and azimuth Angle of a novel bistatic HF-Surface Wave Radar (HF-SWR) is investigated.
本文论述将滤波理论应用于机载雷达中对单个目标进行距离、速度、方位角和高低角跟踪的多环反馈系统。
In this paper, a filtering theory is applied to the multiple closed-loop feedback system for tracking a single target in range, velocity, azimuth and elevation in an airborne radar.
这样做既提高了系统的经济性,简化了结构,又使得系统具有了同时测量目标距离、相对速度和方位角的功能。
The cost of the system is reduced and the structure is predigested, and it makes the detection system can measure distance, relative velocity and azimuth angle at the same time.
方位角估计是合成孔径雷达(SAR)图像自动目标识别研究中的一个重要问题。
Azimuth estimation is very important in the field of Automatic Target Recognition(ATR) of Synthetic Aperture Radar(SAR) images.
首先以无源声呐对目标的方位角、俯仰角和频率测量为依据,建立动态系统模型。
The model of motive system is made in the light of measurements of target bearings, elevation and frequency by passive sonar.
介绍某雷达目标方位自动显示的方位角测试算法、系统的硬件设计和软件设计。
The azimuth testing algorithm for a radar target is introduced in this paper, and the design of system hardware and software is presented.
如果能够得知目标的大致方位角,可以缩小搜索范围,减小运算量。
If the target aspect can be approximately estimated, the searching range and computation of classifier can be reduced.
研究了仅有方位角测量信息的单被动传感器对机动目标的自适应跟踪方法。
Self adaptive tracking algorithm for maneuvering targets by high-sampling-rate bearing-only passive sensor is investigated.
短基线干涉仪系统可以测得目标的方位角、距离和速度,因此系统可以实现对目标的二维定位。
The short - baseline interferometer system may obtain azimuth, distance and speed of the target, therefore the system may realize to two-dimensional localization of target.
针对高分辨极化SAR目标增强问题,提出一种利用极化方位角特征的增强方法。
A novel scheme of target enhancement in high-resolution polarimetric SAR imagery is proposed in this paper, which is based on the targets polarization orientation Angle feature.
总结出该型潜艇呈现的独特特征是正横方位目标强度大大高于其它方位,偏离正横的某一方位角也有强烈的回波。
We summarized the particular character of this type submarine, that is the TS in abeam is higher than other bearing and bearing angle departure abeam degree also has intense echo.
仿真结果表明变周期距离参数化扩展卡尔曼滤波算法能有效解决经典扩展卡尔曼滤波算法在纯方位角目标跟踪时可能出现的滤波发散现象,并能处理声音信号的传输时间延迟问题。
The simulation results indicate that the variable cycle RP-EKF algorithm can resolve the filtering instability of EKF for the bearing-only target tracking and the time-delay problem.
然后对方位数据进行关联,以判断哪些方位角数据可能来自同一个目标;
Then, the bearing measurements are associated to judge which measurements belong to the same target.
纯方位角无源定位时,观测平台的运动轨迹对目标最终的定位精度有重要影响。
The observer's trajectory has an crucial importance on the accuracy of bearings-only target localization.
无人侦察机对目标的跟踪是通过调整陀螺稳定平台的高低角和方位角,从而使摄影设备的光轴对准目标来实现的。
In target tracking system for UAV, by regulating the gyro-stabilized platforms azimuth Angle and pitching Angle, the line-of-sight of pick-up equipment is stabilized and focused on the target.
提出了一种基于多方位角图像决策融合的合成孔径雷达(SAR)图像目标识别方法。
In this paper, new synthetic aperture radar (SAR) image target recognition approach based on multiple views decision fusion is presented.
在目标跟踪领域,通过三坐标雷达的测量值(斜距、仰角及方位角)来估算目标的真实高度一直是个难点。
In target tracking domain estimating the true altitude of a target from 3-d radar is always been a challenge.
在目标跟踪领域,通过三坐标雷达的测量值(斜距、仰角及方位角)来估算目标的真实高度一直是个难点。
In target tracking domain estimating the true altitude of a target from 3-d radar is always been a challenge.
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