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- Waveband Selection for Space Target Detection and Identification[J]. 引用该论文 Li Yanan;Sun Xiaobing;Qiao Yanli.
- The post-tensioned and shaped space truss is an innovative kind of space structure, combining traditional space truss with post-tensioning technology. 后张拉预应力成形网壳是传统网架结构和后张拉预应力技术的结合,是一种具有创新性的空间网格结构。
- Consider a closed string (a loop) located on a cylindrically shaped space, whose circular cross section represents one finite extra dimension. 考虑一条闭弦(一个圈圈),位于一个圆柱形的空间中,而圆柱截面的圆周就表示一个有限的额外维度。
- In this paper, an experimental reserach of ISAR system is proposed to image the space target. 文中给出了一种用于空间目标逆合成孔径成像的实验研究。
- The implementation of the dynamic IR image simulation on space target outer aerosphere is introduced. 摘要 介绍了大气层外空间目标动态红外图像仿真的实现。
- With the development of spaceflight activity of human, surveillance of space target such as satellite and debris becomes very important. 摘要随看人类航天活动的增加,对于卫星和碎片等空间目标进行监视变得非常重要。
- Changtu excluded geese smaller shape, structure and detailed compact, white plumage, head and neck fine small to high egg production, egg weight known. 昌图豁鹅体形较小,结构细致紧凑,全身羽毛洁白,头小脖细,以产蛋量高、蛋重而著称。
- Our results show that the method proposed in this paper can efficiently describe the luminant characters of the space target. 研究结果表明,文中方法能有效地描述空间目标在天基光电望远镜中的光度特征。
- A small shape three port manostat of 78L05 with the output current of 150mA is added on the electrical source end, so the input voltage is decreased from 15V to 12V to supply DM74LS123N. 在控制电路芯片的电源端口增加一个输出电流150毫安的小型三端稳压块78L05,把12伏的输入电压降到5伏给DM74LS123N供电。
- The influence of the relative position and the parameters of the telescope to the luminant characters of space target imaging in space-based telescope were analyzed. 文章分析了天基光电望远镜对空间目标成像时三者的位置关系及其变化时目标光度特征的影响,以及望远镜系统参数对空间目标成像光度特征的影响;
- The relative position of space target, telescope and the sun were studied for simulating the imaging of space target on space-based opto-electronic telescope. 摘要本文重点研究了天基光电望远镜对空间目标成像时空间目标、望远镜、太阳之间的相对位置关系。
- It's easier for small car to find a parking space. 小型汽车比较容易找到停车空地。
- The diamond shaped spaces in between will be glazed different tints of glass ranging from more opaque at the head and becoming translucent up to the band of clear glass starting the tail. 金刚石被塑造的空间之间将是玻璃给上釉的不同的色彩范围从更加不透明在头和变得透亮由清楚的玻璃决定带发动尾巴。
- Orbit property and dynamics property of space target are introduced,a detailed survey is set forth about current research state and developing trend of radar space target recognition technology. 对空间目标的轨道特性与动力学特性进行了介绍,对雷达空间目标识别技术的研究现状和发展趋势进行了详细的综述。
- Moving statues adjudgement, character extraction and target classify methods of space targets based on RCS sequences are discussed in this paper. 本文研究了基于RCS序列的空间目标运动姿态判决、特征提取以及分类识别方法。
- A small bottle of liquor, shaped to fit in a pocket. 13盎司一瓶的威士忌酒一小瓶酒,形状适合于放在衣服口袋里
- I saw the small girl topple over and hit her head. 我看见那小女孩栽了一跤,碰着了头。
- A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
- It's a tight squeeze to get five people in that small car. 五个人坐在那个小车子里真是太挤了。
- Inverse Synthetic Aperture Radar (ISAR) is propitious to detect the space targets for its advantages in the space resolution. 摘要逆合成孔径雷达(ISAR),由于其良好的空间分辨能力,非常适合于空间目标的探测研究。