| 1. | Low altitude target detection based on the radar and infrared information fusion
基于多源信息融合的低空目标探测 |
| 2. | In the fourth part , the tracking filter for low - altitude radar target is studied
第四部分考虑了低空目标的雷达跟踪滤波技术。 |
| 3. | When phased array radar tracking low - angle target , the image of target caused by reflection from sea surface lead to multi - path effects
相控阵雷达跟踪海面上飞行的低空目标时,由于海面反射形成了镜像,引起了多径效应。 |
| 4. | Then , the application of array signal processing to the doa ( direction of arrival ) estimation of low angle target has been put emphasis upon
然后,重点研究了应用阵列信号处理技术对低空目标进行doa ( directionofarrival )估计。 |
| 5. | When low elevation targets arc tracked using the monopulse radar , the multipath effects including the specular reflect and diffuse reflect degrade severely the tracking performance
雷达跟踪海面低空目标时，由镜面反射和漫反射引起的多径误差严重影响雷达的跟踪性能。 |
| 6. | For the problem of multi - path effects , firstly the low - angle target tracking model of sea - surface is built up , and the geometric relationship among target , image and radar is analyzed
针对多径效应的问题,首先建立海面低空目标的跟踪模型,分析了目标、镜像和雷达之间几何关系。 |
| 7. | Bsr confronts with complicated clutter circumstance , it ' s the most important thing we must do to restrain clutter not smooth in time domain or frequency domain in order to detect interesting targets of mainland and sea level
机载战场侦察雷达面临的杂波环境是很复杂的，有效地抑制时间非平稳和空间非平稳的杂波干扰是雷达系统完成地面目标、海洋目标以及低空目标检测必须首要解决的问题。 |
| 8. | In this paper two algorithms have been proposed to track the low - elevation targets in the presence of multipath : the interacting multiple model ( imm ) algorithm and the non - gaussian filtering algorithm . two models are used in the interacting multiple model m ) algorithm
本文研究在多路径传播的条件下跟踪低空目标的滤波技术，给出了两种滤波算法：交互多模算法( imm )算法和非高斯滤波算法。 |
| 9. | It consists of the coordinates setup and transform of the phased array radar , some filter parameters " design for low - altitude target , evim technique used in the low - altitude radar target tracking , the strategy for low - altitude radar target tracking , etc
包括相控阵雷达坐标系的建立与转换；低空目标跟踪有关滤波参数的考虑； imm技术在低空目标滤波中的应用；相控阵雷达的低空目标跟踪策略等。 |
| 10. | In the non - gaussian filtering algorithm , the measurement errors incorporating the multipath effects are modeled as the non - gaussian noise , and the filter are modified according to the score function . this algorithm , designed to track low - elevation targets , avoids the degrading of me performance because of ; . . c non - gaussian noise in the filter
在非高斯算法中，由于多径误差的影响，目标高度方向上的测量误差表现为非高斯噪声，首先建立观测噪声的非高斯模型，然后利用非高斯噪声下的滤波算法跟踪低空目标。 |
