English translation for "dead-reckoning"

推测航行法

Related Translations:

even reckoning makes long friends:  必有一失公平算帐友谊长明算账智者千虑

deads:  井下废石尾矿

dead steel:  全脱氧钢全镇静钢

dead ringer:  酷似某人

dead flue:  废烟道

dead rolling:  塑炼过度

dead beating:  重刀打浆重力打浆

dead volume:  波及不到的体积固定空间空隙体积死区容积死容积死体积；静容量

caught dead:  逮个正着

dead coil:  死线圈无效线圈

Example Sentences:

	1.	Doppler-sonar is a dead-reckoning system . 多普勒-声纳是一种推测航位系统。
	2.	Interpolation between satellite positions was initially carried out by dead-reckoning procedures . 卫星定位值间的内插最初用的是推算航行法。
	3.	Fundamentally an inertial navigation system is a dead-reckoning system with a very significant characteristic which differentiates it from more conventional dead-reckoning equipment . 原则上惯性导航系统是一种航行推算系统，与一般的航行推算装置不同，它具有极明显的特点。
	4.	Adri automatic dead - reckoning instrument 自动推算定位仪器
	5.	This article pays attention to make use of curve matching to correct the distance error of dead - reckoning . matching algorithm improved by woleson is dependent on redrawing characteristic point and corresponding relation Woleson等人提出的曲线匹配算法，在很大程度上依赖于特征点的提取和特征点的对应。
	6.	The main tasks of this thesis are : discussing the dead - reckoning theory of doppler velocity log and compass , decreasing location error methods , emulating several ship tracks ; discussing several aspects influencing the velocity precision of doppler velocity log ; in a pool trial , processing the trial data and achieving some conclusions 本论文主要研究工作包括：对罗经和多普勒计程仪推算辅助导航系统的工作原理，及减小定位误差的两种方法和几种轨迹进行了研究；对影响多普勒计程仪测速误差的各个方面进行了综述；最后对多普勒计程仪水池试验的数据进行了处理，得出所要结论。
	7.	In the management of city transportation , navigation of satellite cannot meet the practical requirement because of shielding and interfering of satellite signal . therefore , map matching and dead - reckoning ( dr ) is used to assistant navigation . this combination is defined as gps / dr integrated navigation system , in which the map matching is used for correcting the orientation and distance errors of dr 而在城市交通管理的应用中，由于卫星定位信号经常会受到建筑物的遮挡和干扰，卫星定位无法满足导航的实际要求，通常需用地图匹配和航位推算器( dead - reckoning ， dr )的方法进行辅助导航，这种导航方式称为组合导航系统，其中地图匹配可用来修正dr的方向和距离的系统误差，以便在卫星信号失锁时，提高dr自主定位的精度。
	8.	In this paper , the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error , the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range , and is very expensive . 2 ) two important approaches in geophysical navigation techniques are summarized , one is terrain contour based navigation , this approach is investigated keystone today ; the other is image based navigation , due to no perfect image sensors and image seabed map , this approach has seldom been practised . 3 ) two important terrain contour based navigation algorithms has been applied to auv , one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan ) 主要研究内容包括：一、总结分析了当前水下导航的常用方法和不足之处，指出基于航位推算的导航方法，存在着最大的问题就是导航误差的积累问题，如果没有修正系统，这种方法很难满足使用要求；其次指出基于声学的导航方法，造价昂贵，导航范围有限，难以满足自主水下航行器大范围导航的需求；二、总结了当前水下地形辅助导航的主要技术路线，一是基于地形高程的匹配方法，这是当前研究的重点；二是基于地形图像的匹配方法，由于缺乏良好的图像传感器，和可用的海底图像地图，目前这种方法还有待研究发展；三、将两种地形高程匹配的常用方法应用到自主水下航行器上：以相关算法为前提的地形轮廓匹配( tercom )方法和以卡尔曼滤波为基础的桑迪亚惯性地形辅助导航( sitan )方法，前者算法简单可靠，但是导航精度不高，后者虽然精度比较高，但存在着算法较为复杂、有可能发散和出现奇异值等问题。
	9.	For reducing dead - reckoning location error of doppler velocity log and compass , this thesis studies two methods , exponential flatness arithmetic and common flatness , gives the emulating results in the different tracks , proves that lawnmower is a efficient method of decreasing location error 本文研究了减小推算辅助导航系统定位误差的指数加权平滑法和一般平滑法，并结合计算机给出了在同一轨迹下，两种定位方法的区别；并且还给出了不同轨迹下的定位结果，证明了走剪草机轨迹是一种有效的减小定位误差的方法。
	10.	Presents the perception mechanism of virtual humans based on a dead - reckoning algorithm to overcome the drawback of the synthetic vision approach , promotes the study of perception techniques in behavioral animation , and lays the foundation for the behavior control study for virtual humans , and points out that with the development of behavioral animation in more than one decade , researchers have been more and more convinced of the importance of the behavior study for virtual humans ; perception mechanism is the core of the above study ; the perception mechanism for virtual humans has been generally founded by the sensory approach , not by the synthetic vision approach because the complexity of virtual human itself and the dynamic quality of environments make it difficult to transmit visual information between virtual humans in multi virtual human environment like a virtual war field 近十几年来，随着对行为动画研究的开展，研究者们越来越认识到行为研究对虚拟人研究的重要性.感知机制是虚拟人行为研究的核心，迄今为止研究者们一般采用传感器方法而不是合成视觉方法建立虚拟人的感知机制，这是因为在象虚拟战场这样的多虚拟人环境中，虚拟人本身的复杂性、环境的动态性，使得虚拟人间可视信息的传递很困难.为了解决这个问题，提出了基于位置推算算法的虚拟人感知机制.该项研究弥补了合成视觉方法的不足，丰富了行为动画中感知技术的研究，从而为虚拟人行为控制的研究奠定了基础

Similar Words：

"dead-melted steel" English translation, "dead-metal zone" English translation, "dead-on" English translation, "dead-pressed explosive" English translation, "dead-reckonig plot" English translation, "dead-reckoning analyzer" English translation, "dead-reckoning analyzer-indicator" English translation, "dead-reckoning computer" English translation, "dead-reckoning distance" English translation, "dead-reckoning equipment" English translation