| 1. | Very high resolution radar
甚高分辨力雷达 |
| 2. | In chapter 4 , firstly the problem encountered in target recognition using high resolution radar imaging is discussed
第四章首先分析了传统的高分辨成像目标识别面临的问题。 |
| 3. | Exploitation of high resolution radar techniques has always been the direction of radar research and development on both military and civil applications
提高雷达的距离分辨力一直是雷达技术研究与发展的方向。 |
| 4. | Tightly based on “ project 973 ” , target recognition problems basing on high resolution radar profile ( hrrp ) are discussed in the thesis , and two novel approaches of target recognition are proposed
本文紧密结合“ 973项目” ,研究高分辨一维距离像的雷达目标识别问题,提出了两种目标识别方法。 |
| 5. | In chapter 4 , firstly , the two - dimension scattering model of target under high resolution radar system is developed , the two dimension resolution rates are reviewed and coordinate transformation of data are discussed
第四章在宽带体制下，推导了目标多散射中心的二维频域散射数学模型，分析了目标二维结构成像的两维分辨力和测量数据的坐标变换。 |
| 6. | Targets in the radar ppi have the main property of the little area , a few targets and irregular change of grey . so it is difficulty to detect and track the target . the study of the radar ppi is very few inland and abroad . with the development and implement of high resolution radar and high resolution raster display , target _ tracking and detecitng based on the radar ppi will be feasible . it ' s great excellence is to increase time accumulation compare with the detecting techenicial of the traditional radar
雷达ppi中目标的特点是面积小，目标或可能的目标多，灰度、形状变化无明显规律，所以检测和跟踪目标比较困难。基于雷达ppi的研究国内外甚少，随着高分辨率雷达和高分辨光栅显示器的发展，基于ppi的雷达目标检测和跟踪成为可能。与传统的雷达目标检测技术相比，其潜在的优势在于大大增加了信号的时间积累，因此有可能提高检测性能。 |
| 7. | In chapter 2 , some statistics models of radar clutters are investigated under the high resolution radar , and some relation between the input and output correlation coefficient of zeros memory nonlinearity ( zmnl ) are analyzed , then the fast numerical method ( called error controlled method ) which utilize calculating input and output correlation coefficient of zmnl is proposed
第二章以高分辨雷达杂波仿真为研究对象，以零记忆非线性变换( zmnl )为研究手段，推演了几种典型杂波在zmnl变换前后输入输出间非线性变换关系，提出了求解输入输出非线性关系式的快速数值求解方法( “误差控制”法) 。 |
