The effect on the number of sighting star, the precision of star sensor and the change of sampling period to the error determination is analyzed and compared.
分析比较了同时瞄准恒星的个数、星敏感器的精度以及改变采样周期对航天器定位误差的影响。
In the field of analysis and testing, standard material plays an important role in the research of qualitative and quantitative methods and also in error determination.
标准物质在分析测试领域中无论在定值、方法的研究、误差确定等方面都有着重要地位。
Any certification or determination by the Lender of a rate or amount under this Agreement is, in the absence of manifest error, conclusive evidence of the matters to which it relates.
贷款行在本协议项下做出的有关汇率或金额的任何证明或决定均应无明显错误,并作为其相关事项的确凿证据。
To the isopropyl alcohol this kind of substrate ingredient rich sample, the determination method using direct caused the result insufficiently to be ideal, and the remarkable system error.
对异丙醇这类基体成分丰富的样品测定,采用直接上机进样测定的方法使结果不够理想,而且存在显著的系统误差。
In perspective of the error formula in the allotted titration, a graphic method is applied into the speedy and accurate determination of the conditions for titration.
从配位滴定终点误差公式出发,运用一种图解方法,能准确、快速地确定配位滴定的滴定条件。
This paper proposes a formula fitting method for realtime correction of radio wave refraction errors for fast determination of the refraction error and improvement of radio instrumentation accuracy.
本文给出了电波折射误差实时修正的公式拟合方法,该方法在实际应用中能够快速得到折射误差,从而提高了雷达测量精度。
The replacement of equilibrium concentration by analytical concentration in determination of stability constants of complexes with equilibrium-shift method will lead great error.
平衡移动法在使用中时常以反应物的分析浓度代替平衡浓度,以致引起不容忽视的误差。
Against the big error of height determination for the reentry vehicle because of the information provided by low precision geomagnetic sensor, a novel real-time prediction method is proposed.
针对于目前地磁传感器测量精度较低,将其信息直接用于飞行器再入段定高误差较大的问题,提出了一种在线预测进行定高的方法。
The error in experimental determination of RTD derived from tracer pulse injection, digit time and response measurement, and flow model parameter estimation are discussed.
本文分析了用脉冲法注入示踪剂时示踪剂的分布、时间与应答信号的测量,以及模型参数的回归等方面的种种误差。
The values of calculation are nearly consistent with that of determination, the deviations are within accepting error and both rotatory directions are completely consistent.
计算结果和测定值的旋光方向完全一致。 旋光度数值都在可接受的误差范围内。
Coefficient determination, absolute bias, relative absolute bias, root mean square error and relative root mean square error were employed to evaluate the precision of different model systems.
采用确定系数、绝对误差、相对绝对误差、均方根误差、相对均方根误差等模型评价指标对不同模型系统的精度进行比较分析。
The result shows that using velocity measuring data after error correction in preliminary orbiting computation can effectively improve the orbit determination precision.
计算结果表明,使用经各种误差修正后的测速数据参与初轨计算能有效提高定轨精度。
Using the ocean tide model of TPXO6, the effect of ocean tide on gravity determination is investigated and compared with the error of recovered gravity by GRACE.
利用TPXO6海潮模型计算了海潮对卫星重力恢复的影响,与GRACE观测误差实施了对比。
In this paper, a new convergence theorem and error estimates for two types of generalized method are obtained by means of cubic major function, under the unified determination.
该文在统一判定条件下,借助于三次优函数,给出了两类一般迭代法的不同于以前的收敛性和误差估。
This paper introduced main determination methods of mass transfer coefficients. By comparing their determined results, the cause to produce error was analysed.
本文论述了测定液相传质系数的几种主要方法。通过比较它们的测定结果,研究了产生偏差的原因。
After modified instrument, the error of determination is reached defined requirements and is related to machining precision, length, SUS - pension in place and homogeneity of coke specimens.
仪器经过改进后,测量误差达到规定要求,并与焦样加工精度、焦样长度、悬丝悬吊位置及焦样的均匀性有关。
Especially, the effects of lunar gravity, observation accuracy, orbital error and observation data types on the orbital determination accuracy of the lunar orbiter have been carefully investigated.
重点考察了月球重力场误差、观测量精度、初始时刻的先验轨道误差以及观测资料类型等对环月飞行器定轨精度的影响。
In the free flight segment, effects on the state error propagation caused by prior state estimation errors and orbit determination errors of the chasing spacecraft were studied.
在自由飞行段,分析了追踪航天器估计状态误差的先验值和测轨误差对状态误差传播的影响。
Based on the target's phasing time analysis of orbit determination error, orbit control error and orbit prediction error, the strategy of the target's phasing orbit maneuver was developed.
基于定轨误差、轨道控制误差和轨道预报误差的调相时间分析,制定了目标飞行器调相控制策略。
The quantitative determination of 70% bismuth in silicon-bismuth samples were completed by line width method. The relative error is less than 7.15%, the relative standard deviation is 5.85%.
用谱线宽度方法定量检测了硅铋样品中含量为70%的铋,相对误差小于7.15%,相对标准偏差为5.85%。
The quantitative determination of 70% bismuth in silicon-bismuth samples were completed by line width method. The relative error is less than 7.15%, the relative standard deviation is 5.85%.
用谱线宽度方法定量检测了硅铋样品中含量为70%的铋,相对误差小于7.15%,相对标准偏差为5.85%。
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