查询词典 azimuth angle

LAMOST is a meridian telescope with a fixed spherical mirror MB, an alt - azimuth mounting reflecting Schmidt corrector MA and a focal plane.

LAMOST是一架准中星仪式的望远镜，由于它的球面主镜MB是固定的，对天体的指向跟踪运动完全由MA 担任。

Three solutions are presented, that is, tilt azimuth axis design, three-axis design, program steering.

并指出三种方案之间的共同点是要求系统具备对目标轨迹进行实时预测能力。

The numerical tests show that, DSR equation migration methods such as common azimuth migration have a promising prospect in areas with strong variations of velocity, e.g., subsalt, reef and buried hill, etc.

数值试验表明，共方位角偏移等DSR方程叠前深度偏移方法在盐体或礁体、古潜山等强横向变速地区具有很好的应用前景。

In SAR azimuth signal processing, it is very common to subsample the raw data with a filter, which may reduce the Signal Noise Ratio of the raw image.

摘要机载合成孔径雷达的方位向降采样经常会降低原始图像的信噪比。

And images processed with the incorrect parameters will be worsened. This paper analyses the effect of SNR on autofocus and proposes an adaptive filter in SAR azimuth subsampling to keep SNR as high as possible, so that the performance of autofocus can be improved and higher image quality achieved.

该文分析了信噪比对自聚焦的影响，提出利用自适应滤波器来做方位向预滤波和降采样，在降低采样率的同时，保持原始图像的信噪比，再经有效的自动聚焦算法，得到较准确的多普勒参数估计值，从而获取高分辨率SAR图像。

A particular 80mm telescope with an alt-azimuth stand, fitted wood storage case, and accessories might carry the name "Asestaron", while the same telescope on another mount would bear another name.

还有一种特殊的80mm口径望远镜，包括全向支架、木制储存箱，配件上刻着"Asestaron"字样，可同样的镜子不同包装时却刻着另外不同的名字。

The telemetry sub is the core of organization and management of the system,which provides necessary support of software and hardware for data acquisition, processing andtransmission;the ultrasonic imaging televiewer visually presents the condition of interwall ofcasing and the borehole wall;the acoustic caliper quickly and quantitatively detects the status ofinterwall of casing and borehole wall;the azimuth logging tool provides the casing damagelocation demanded by ultrasonic imaging televiewer and acoustic caliper.

遥测短接为该系统的组织管理核心，为各功能短接提供数据采集、处理及传输等所必需的软硬件支持；超声成像仪可直观显示套管内壁或井壁的自然状况，声波井径仪可快速定量检测套管内壁或井壁的状况；方位仪为超声成像仪及声波井径仪提供所需的套损方位。

In view of the tradition localization system and the velocimeter cannot simultaneously provide the position, the speed and the azimuth of the movement target, proposed one kind of movement target tracking speed and position state obtaining methods based on the time difference of arrival localization technology.

针对传统定位系统和测速仪不能同时提供动目标的位置、速度和方位的问题，提出了一种基于到达时间差定位技术的动目标跟踪的速度和方位等状态信息获取方法。

Stability of hole wall and relations between well oblique of wellhole drilled and azimuth are important contents to design a correct safe density window of drilling fluid of oriented well .

研究定向井井壁稳定与井眼钻进的井斜和方位之间的关系是正确设计定向井钻井液安全密度窗口的重要内容。

This paper studies the changing rule of final azimuth AHT under het AllAzimuthal Twisting condition of directionally drilled well in depth.

提出扭转后最终方位角对设计方位、起始方位、设计位移、起始位移、扭转率的函数是分段连续函数。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。