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pitch precision
相关语句
  节距精度
     Parameters Concord between the Length Precision and the Pitch Precision of Flat-top Chains
     平顶链链长精度和节距精度间的参数谐应
短句来源
     The Theoretic Calculation and Computer Simulation of the Pitch Precision of Cranked Roller Chains
     弯板滚子链节距精度的理论计算及计算机仿真
短句来源
  “pitch precision”译为未确定词的双语例句
     The static experimental result shows the algorithm is feasible and reliable,and the heading precision approaches to 0.30°(RMS),pitch precision approaches to 0.40°(RMS),baseline precision approaches to 0.30m(RMS).
     实测数据处理结果表明:静态条件下,航向解算精度达到0.30°(均方差),纵摇角解算精度达到0.40°(均方差),基线长解算精度达到0.30m(均方差)。
短句来源
     Computer Simulation of the Pitch Precision of Cranked Chains Based on Statistics
     基于统计特征的弯板链节距精度计算机仿真
短句来源
  相似匹配句对
     the precision (c. v. )
     精密度(C.V.)
短句来源
     The Pitch-precision Problem in Instrument Teaching
     器乐演奏教学中的音准问题
短句来源
     A High Precision Solution of Pitch Detection
     一种高精度的基音提取方案
短句来源
     better precision.
     该方法的精度满足要求。
短句来源
     IMPREGNATING PITCH
     浸渍剂沥青
短句来源
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It is a viewpoint that the concord of characteristic parameters between the length precision and the pitch precision of chains exists in statistics. Consequentially, the chain standards of all countries in the world stipulate only the length precision in a certain links. This paper expounded the viewpoint through theoretical analysis and satistics test in a lage sample of flat-top chains as an example and discussed the applications of the concord. The conclusion can be reference for other types of...

It is a viewpoint that the concord of characteristic parameters between the length precision and the pitch precision of chains exists in statistics. Consequentially, the chain standards of all countries in the world stipulate only the length precision in a certain links. This paper expounded the viewpoint through theoretical analysis and satistics test in a lage sample of flat-top chains as an example and discussed the applications of the concord. The conclusion can be reference for other types of chains and have partly applied in ZBJ 18001-89 " Supplementary Technical Requirements for Flat-top Chains and Associated Chainwheels". Besides, the paper also deliberated with a few published papers on length precision.

链长精度和节距精度的特征参数间存在统计上的谐应关系,因而各国的链条标准只规定一定节数时的链长精度。作者通过理论分析及大样本统计检验,以平顶链为例论述了上述观点,并探讨了谐应关系的应用。所得结论,可供其他链条借鉴。本文研究结果已部分用于《ZBJ18001—89输送用平顶链和链轮补充技术要求》。本文还对国内若干有关链长精度的文献提出了商榷意见。

The pitch precision of cranked roller chains was calculated and analyzed by using theoretic method and computer simulation respectively in this paper. Under the chain length constraining condition,the imitated chains was assembled in memorizers of the computer with different distributions of the part dimension. Then the range of the pitch precision was obtained.

本文采用理论计算和计算机仿真的方法,对弯板滚子链节距精度进行了计算与分析,并以链长为约束条件,按不同的随机分布,模拟装配链条,求出节距偏差变化范围。

The rigid body′s attitude determination is discussed using two baselines based on GPS; baseline vector coordinates are calculated with GPS double difference phases, and phase integer ambiguities are calculated with the aid of double difference pseudorange observables. By space transformation, the searching time of the integer ambiguity candidates in the confidence ellipsoid space can be reduced when dual frequency observables are available. Correctly resolving the integer ambiguities depends on the observed...

The rigid body′s attitude determination is discussed using two baselines based on GPS; baseline vector coordinates are calculated with GPS double difference phases, and phase integer ambiguities are calculated with the aid of double difference pseudorange observables. By space transformation, the searching time of the integer ambiguity candidates in the confidence ellipsoid space can be reduced when dual frequency observables are available. Correctly resolving the integer ambiguities depends on the observed time and the observed pseudorange accuracy. Attitude precision is analyzed based on error propagation laws. Calculations with one periodic ephemerides data show that head or pitch precision level can reach about 2 mrads under certain conditions.

研究了采用双基线方案测量载体的姿态,利用GPS双差相位测量基线矢量,双差伪距观测值辅助解相位整周模糊,双频时引入空间变换缩小置信空间搜索次数,通过实例分析得出了正确解算相位模糊与观测次数、伪距测量精度的关系,并利用误差传播定律对姿态测量精度进行分析,结合卫星星历数据计算表明,在卫星运行周期内航向角和俯仰角平均测量精度在一定条件下优于2mrad。

 
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