English translation for "dcpa"

敌草索
无水磷酸氢钙
最接近点距离
最小会遇距离

Example Sentences:

	1.	With the development of radar technic , arpa ( automatic radar plotting aids ) can display directly the course and speed of target ship and get the dcpa and the tcpa of the ship , so it is applied widely 随着雷达技术的发展， arpa ( automaticradarplottingaids自动雷达标绘仪)由于可以直接显示目标船的航向、航速，同时可以直接得到目标船的dcpa和tcpa ，因而得到了广泛的应用。
	2.	In this way , we get result in long time and great error . we need a standard result on how to evaluate a student ' s grade . now on radar simulator we can n ' t get the standard result and this makes error on evaluation . at the same time , we can only get dcpa and tcpa on radar / arpa 在目前的雷达模拟器上，进行雷达标绘通常都是采用手工几何作图的方法进行的，时间长，误差大，而对于如何评价和确定被训练者的成绩，则必须有一个标准值即标准答案。
	3.	The head on situation and overtake situation can be regarded as a special case of cross situation ; 5 through the comprehensive analysis of all kinds of schemes , to determine a best scheme of radars collision avoidance , which may be applied to the following three circumstances : cross situation , head on situation as well as overtake situation , thus to take any measures to alter course , slow down or slow down with alteration ; 6 through the analysis of a special situation , to study the method how to calculate the range of dangerous angle of collision avoidance ; 7 through the statistics of action of collision avoidance , to find out the rules of taking actions to revise the " best scheme " ; 8 the principle and method of optimization are presented 6 、对一种特殊的会遇情况：位于转向不变线或其平行线上的来船的dcpa和tcpa的变化作分析，探讨出“转向忌讳角”的求取方法，在避碰方案中应避免使用“转向忌讳角。 ”在多船避让时，如采取一次转向行动让清所有船舶，则该理论的应用将使避碰方案更加完美。 7 、对驾驶员的避碰行为作调查统计(交叉相遇) ，得出驾驶员在交叉相遇局面中的行动幅度和行动时机(距离)的统计数据，得到行动幅度和行动时机的平均值，对“最佳方案”进行修正。
	4.	The research works of this paper can be mainly demonstrated in the following aspects : 1 new model of dangerous degree of collision avoidance ( ddca ) was studied to determinate the best scheme of collision avoidance ; 2 ten factors , which affect the avoiding effect , were discussed in details ; 3 changing rules of dcpa and tcpa were discussed , according to the international collision avoidance rules at sea , under the following three circumstances : cross situation , head on situation , as well as overtake situation ; 4 to focus the discussion on cross situation 2 、确定影响避让效果的十大因素，将其产生的影响以行动时机提前量来消除。 3 、将船舶会遇局面按国际海上避碰规则所划分的交叉相遇局面、对遇局面、追越局面三种局面分别讨论dcpa和tcpa及其变化规律，结合船舶碰撞危险度评价并确立最佳避让方案。 4 、将交叉相遇局面作为本文的研究重点，对遇局面和追越局面可以视作交叉相遇局面的特殊情况来处理。
	5.	We can n ' t get result on how to change course and speed to make collision avoidance , this can help little on collision avoidance decision . the article aims at the default on radar simulator and implements the standard result on radar simulator by making use of mcu . the main production is below : first , we calculate how to chang course and speed on the destine point by mcu . we get the new course and new speed on the destine point , we get the point to resume original course and speed , we get the distance and azimuth to resume original course and speed on given course and speed , the six essential : dcpa , tcpa , distance , azimuth , real speed and real course 本论文针对当前雷达模拟器标绘训练中的不足，实现了利用单片机进行雷达模拟器标绘标准值的计算，主要成果有以下方面：首先，利用单片机计算得到了在预定点改变航向和改变航速的计算，求得预定点改向的新航向c _ n和预定点变速的新速度v _ n ，恢复原航向和原航速的时机点的计算；在给定避碰的新航向、航速的条件下，计算出恢复原航向航速的时机点h的距离r _ h和方位_ h ；目标船的六要素，即dcpa 、 tcpa 、距离r ( t ) 、方位( t ) 、真航速v _ t和真航向c _ t 。
	6.	The paper applies the judge model of vague math , uses dcpa , tapa , the position of ship - in - itself and the relative distance of the coming ship as the evaluation norm , and draws into the subordinate function of criticality which is composed of the relative safe field dangerous field and shun field to judge the criticality of the ship ' s encountering objectively and effectively and provide the reasonable basis for ship ' s safe collision - avoidance 本文应用模糊数学评判模型，采用dcpa (最近会遇距离) 、 tcpa (到最近会遇点的时间) 、本船的方位和来船的相对距离作为评价指标，引入与船长相关的安全域，危险领域和避航领域构建危险度隶属函数，对船舶航行会遇状态构成本船的危险度进行客观有效的评价，为安全避让提供合理的依据。

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