方位

Adaptive α-β filter algorithm was introduced, and then it was compared to ISR filter algorithm and Kalman filter algorithm, the mean square deviation of distance, position, speed and direction of these algorithms on the flight line was analyzed to discuss the specific use of the three filters in straight-line flight and about-ship straight-line flight.

介绍了一种改进的α-β滤波算法，然后将它和最小二乘滤波算法、卡尔曼滤波算法进行比较，对三种算法跟踪空中目标的直线飞行、改变航向的直线飞行两种情况的距离、方位、速度和航向等参数的均方差加以分析，证明了改进的。

Torpedo ; underwater acoustic imaging ; complex array ; azimuth resolution

鱼雷； 水下声成像；复合阵；方位分辨率

The ability of long-distance searching goals of an acoustic homing torpedo can be improved greatly by using towed linear array , and the power of DOAs tracking of the torpedo is the key factor that influences the result in a war.

使用拖曳线列阵可以有效提高自导鱼雷远程搜索目标的能力，而能否精确跟踪目标方位将直接影响到鱼雷的实战效果。

Chapter five examined the independent usages of the localizers in Shi Shuo Xin Yu, in which the most active one is adjectival usage.

余论中第一次系统讨论了中古时期合成方位词的出现以及汉语史上方位习语的形成问题。

As far as China's agriculture concerned, with global competition at trade of product of agriculture and resource redistribution within world wide, agriculture in China is needed to go out of our national boundary and inosculate with international world, and become the one important part of economic integration, as well as find its stand in international admeasurement.

加入WTO后，中国经济将主方位地与国际接轨。对于农业来说，随着农产品贸易的国际化竞争，资源在世界范围内的流动和配置，要求中国农业走出国界，融入国际，成为全球经济一体化的重要组成部分，并在国际分工中寻找自己的地位。

The conventional aerotriangulation solves only the elements of exterior orientation 〓ω,κ, X〓, Y〓, Z〓 of photo, whereas the elements of interior orientation x〓, y〓, f of aerial camera are often determined in the laboratory. As the laboratory methods can not take into full account the actual conditions in aerophotography, large deviations often occur.

长期以来，航摄仪的内方位元素主要在实验室采用物理方法检定，而像片的外方位元素则主要依靠空中三角测量和大量地面控制点间接解求。

This paper discusses the theory method calculating surface temperature of ballistic target above aerosphere, and analyses the effect of dimensional orientation of target s flight gesture and sun radiation direction on its surface temperature.

论述了大气层外弹道式目标表面温度的计算方法，对某弹道式目标大气层外飞行过程中当太阳辐射方向改变时其表面温度的变化情况进行了数值计算，分析了目标飞行姿态与太阳辐射方向之间空间方位关系的变化对目标表面温度的影响。

On the special structure of the Lower Latitude Meridian Circle and the practice of determining astronomical refraction in Yunnan observatory,a new method for improving the correction accuracy of the atmo- spheric refraction delay is proposed:the determined data of the astronomical atmospheric refraction values with different azimuths are utilized to find the refractivity and the param- eters of mapping functions for modeling the atmospheric refraction delay correction,which changes with the observing stations and azimuths.

根据云南天文台低纬子午环的特殊结构，和测定大气折射的实践，提出了提高折射延迟改正精度的新方法，即：利用各观测站不同方位从天顶附近直到低地平高度角的天文大气折射实测数据，求解得到折射率差和映射函数的参数，从而建立随测站和随方位而异的大气折射延迟改正模型。

Volunteer members in Richmond, south-west London, display a ''Community Toilet Scheme'' sticker in their windows and publicise their locations with street signs, noticeboards and maps.

来自里奇蒙德和伦敦西南部（地理位置的相互关系理解错误）的自愿加入的成员展示了陈列在他们商店橱窗中的&社区厕所计划&的滞销物，以及公示他们的街道标识、布告栏和地图以示其地理方位。（理解错误。 Sticker 是指黏贴物。本句意思是这些成员在橱窗上黏贴着社区厕所计划的标识，并在路标、告示牌和地图上公布它们的方位。

Based on the values of photometric redshifts, we form two enlarged samples including the newly-selected member candidates, with which the shape and dynamical substructure of Abell 2199 are also analyzed.

通过对团星系空间分布椭率和方位角的计算，表明该团星系的空间分布方位角与以往的研究显著一致。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。