环境误差
- 网络environmental error;Environment error
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分析了高精度激光干涉测量中环境误差因素对测量的影响;
The effect of the environmental error factor on the accuracy of high accuracy laser interferometry is analyzed in the paper .
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测井数据误差来源归纳起来有四种:方法误差、环境误差、装置误差和人为误差。
There are four kinds of error sources for logging data : method error , environment error , instrument error and error caused by negligence of operators .
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对采用分离世代估计遗传力中环境误差公式的修正
Modified estimators for the environmental variance in studies of broad-sense heritability
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本文在对光纤陀螺误差源进行系统分析的基础上,重点对环境误差因素中的温度和振动影响进行了研究。
This paper focuses on the effect of temperature and vibration error .
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抑制动态环境误差的算法研究
The Algorithm Research of Restraining Dynamic Error
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可以用环境误差信号来控制自适应滤波器参数,自动跟踪环境的变化并自动调节自适应滤波器参数,从而保证有源降噪系统具有优化的性能,在噪声控制上引起人们的极大重视。
The filter parameters are automatically adjusted by errors due to environmental changes . In this way , the system performance is optimized .
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该方法基于凸空间最优化的思想,修正水平极化辅助天线接收数据,设定最大的环境误差范围,保证在最差误差环境下的最优干扰抑制性能。
Based on the idea of convex optimization , we modify the sample of horizontal auxiliary channel , and get the best performance of interference rejection in the worst case error circumstance under the limit of maximum error bound .
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最后介绍了高动态环境下误差模型的一般研究方法。
Additionally , general method is proposed as a solution of the error model under high-dynamic situation .
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干涉仪外的误差主要是环境扰动误差,包括空气扰动误差、振动误差。
Errors caused by facts outside the interferometer are mainly environmental perturbation errors such as air perturbation and vibration .
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推导了测量环境效应误差改正公式。计算机数值模拟结果表明,波浪效应是引起水深测量误差的主要因子。
The results of computer simulation indicate that the wave is the main factor causing the errors in bathymetric surveying .
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在分析巡航导弹使用环境及误差因素的基础上,提出了一种最适合于巡航导弹中应用的地图/地形匹配制导的方法。
The applied method of map / terrain match guidance to cruise missile is given by studying the use conditions of cruise missile .
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误差校正系统构建包括不同测试环境下误差模型的构建、误差校正方法的开发和校正系统的工程实现等。
The building of calibration system includes construction of error module under different situation , development of calibration methods and realization of calibration system .
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其约束结构的超静定性以及对制造、安装和环境等误差与变化的敏感,在平面闭链机构中都具有典型的意义。
Its redundant structure and the sensitivity to the error of manufacturing , assembly error and environment , are very typical in planar linkage mechanism .
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室内环境下NLOS误差的鉴别及其抑制算法
Discriminating and Restraining Algorithm of NLOS Error in Indoor Environment
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讨论了若把辐射测温中来自环境辐射的误差控制在0.5%以内所满足的最低温度T(min)以及T(min)随环境温度和辐射波长的变化关系。
The lowest value of the object 's temperature is analyzed when the error of environment radiation is within 0.5 % , and the relationships of them are studied .
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根据载体运动状态下捷联惯性导航系统(SINS)的误差方程时变的特点,推导出捷联惯性导航系统动态误差模型,并对其在几种动态环境下的误差特性进行了仿真研究。
According to the point that the error state equation of strapdown inertial Navigation System ( SINS ) is time-variant when the vehicle is moving , this paper gives the dynamic error model and simulation results .
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为了满足蜂窝系统需求,本文提出了一种基于Rake结构的TDOA估计器,分析了它在多径环境中的误差性能,证明了在归一化Rake合并下,估计器可获得最优性能。
To meet the needs of the new systems , this paper suggests a Rake-structured TDOA Estimator and a new combination method called normalized Rake combination on which the estimator will get its most excellent performance in multipath environment .
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弯管流量计在高温工作环境下的误差分析
The Error Analysis of Elbow Flowmeter in High Temperature Running Environment
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铁路噪声环境影响预测误差分析
Analysis on Environmental Impact Forecast Error of Railway Noise
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小型区域形状规整性对环境噪声测量误差的影响分析
Analysis of the Effect of Minitype Area Shape Standard on the Error of Environment Noise Measurement
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该方案依靠单点定位来减小由于室内复杂环境引起的误差叠加。
This scheme relys on a single point localization to reduce overlapped errors , which is caused by indoor complex environments .
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由于振动环境下多种误差因素的复杂性,不同振动条件下的石英挠性加速度计振摆误差参数辨识结果重复性不好,有待进一步深入研究。
Because of the complexity of various error factors under vibration environment , parameter identification results under different vibration conditions have poor reproducibility , and further study is needed .
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钢索塔施工中,由于受到外界环境和施工误差本身的影响,己拼装的塔柱节段与其拼装时的姿态相比将产生差异。
In the course of steel-pylon 's construction , difference will appear comparing the assembled steel-pylons with the assembling ones because of the effect of the external environment and the construction errors .
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为了建立惯性仪表在过载振动复合环境下的误差模型,本文采用分析法和实验法相结合的建模方法,进行了试验设计,给出了模型辨识流程。
For modeling the error of inertial instrument in composed overloading and vibrating environment , a modeling approach that combines analytical method with experimental method is adopted . A test plan is designed , and the flowchart of model identification is given .
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另一方面,在工程条件下的实际控制系统由于受环境、设备误差等因素的影响,使得其与我们进行分析、综合的数学模型之间不可能精确相符,会存在一定的不确定性。
On the other hand , because of the influence of environment , equipments ' error under engineering condition , the real system would not precisely equivalent to the mathematical model which we based on for analysis and synthesis . There exist some uncertainties in the mathematical model .
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短时间尺度环境因子变化的误差较小,各环境因子变化带来的误差一般在5%以内,但光和CO2容易受外界因素的影响而使误差加大。
But the errors caused by change of environment factors in short time is less than 5 % .
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基于三轴数学模型以及干扰可测的轮廓误差模型,研究设计了一个可用于干扰可测环境下的轮廓误差反馈控制算法,并通过MATLAB进行仿真实验。
Second , mathematical modeling based on measurable disturbance and contour error is study . A feedback control algorithm is designed . The simulation experiment are carried out by MATLAB .
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但传统DEA模型忽略了环境因素和随机误差,易使测度结果出现一定的偏差;而DEA三阶段模型能够剔除环境因素和随机误差的影响,适逢其会地应用于本文中。
The traditional DEA model ignores the environmental effects and statistical noises , therefore causing a certain deviation . However , the three-stage DEA model solves this problem and thus will be employed in this paper . 3 .
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演示系统使用已建立的RSSI模型,用图形化方式显示定位效果,并对定位系统的关键数据信息进行一定的智能处理,分析定位系统在当前环境下的测距误差和定位精度。
Then , based on the built RSSI model , pc demo system displays the node position in a graphic way , and intelligently concludes these data which collect from node localization system , analyzes the ranging error and localization precision in the current environment .
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环境累积剂量计的误差分析和估算方法
Error Analysis and Assessment of Environmental Radiation Measurements Made with Integrating Dosemeters