Using Power-comparison to Measure the Basic Error of Energy Meter

A function generated by a differential algorithm approximates a function ( properly called an approximate function) which deviates from its original function. This error is called "basic error".

基本误差系微分法发生曲线时实际逼近的函数（称为逼近函数）与给定函数间的误差。

Rough rolling and pure rolling temperature drop model is derived by regression statistics way with the measured data, can see this model has good prediction, forecast and actual temperature temperature ± 15% than basic error.

粗轧和精轧的温降模型通过回归统计的方式导出，与现场的实测数据比较，可以看出该模型具有很好的预测度，预测温度与实际温度的误差基本不超过±15%。

The errors between a curve generated by differential algorithm and its original given function consists of basic error and stepping error.

微分法发生的曲线与给定函数之间的误差包括基本误差和走步误差。

The basic error classification of the PMT is introduced, including static error and dynamic error mostly.

介绍了并联机床误差的基本分类，主要分为静态误差和动态误差两大类。

The test results show that the basic error, linearity of the capacitive angular sensor can be more effectively improved than before. The average of the former decreases from 2% to 0.2%, and the later from 0.58% to 0.22%.

测试结果表明，利用本系统校准，电容转角传感器的基本误差、线性度指标都得到有效改善，前者平均值从2%降低至0.2%，后者由0.58%降至0.22%；

The error mechanism of SR-CT technique is analyzed and four basic error forms are presented. 2.

对SR-CT技术的误差进行了分析，给出了SR-CT技术误差的四种基本形式。

Its functions include verification of gasometer, recording of instantaneous flowrate, cumulative flowrate and basic error of gasometer, and automatic printing of above-mentioned verification parameters.

并且用来检定煤气表，记录煤气表的瞬时流量、累积流量和基本误差，最后自动打印上述各项检定参数。

Calibration technology mainly makes sure SINS Inertial Measurement Unit-quartz flexibility accelerometer and FOG basic error model parameter.

标定技术主要是对SINS的惯性敏感元件&石英挠性加速度计和光纤陀螺仪的基本误差模型参数进行确定。

Aimed at the different error source, this paper establish the variant basic error model. This paper detailedly introduce the Doppler velometer, electric gyrocompass and strapdown flux-gate azimuth finder, and so on, which compose the Doppler navigation system.

对全球定位系统和多普勒导航系统导航定位的基本组成、导航原理进行了研究，分析了其误差来源并建立了相应的误差基本模型。

The basic error of this intelligent type sodium level gauge is+ 1. 9% of measuring range.

这种智能型钠液位计的基本误差为量程的±1.9%。

The basic error of modern macro-economics is the belief that the economy is simply the sum of microeconomic decisions of rational agents.

现代宏观经济学的根本失误，是认为经济只是理性行为者微观决策的总和。

Correction Method for Basic Error of Volumetric Flowmeter

对容积式流量计基本误差的处理方法

The Research on Modeling Basic Error of Energy Meter by Neural Network

电能表基本误差的神经网络建模研究

The basic error of this immersed sodium flowmeter is below ± 2.3% of the measuring range.

这种内潜式钠流量计的基本误差<±2.3%量程。

In algorithm design, we introduce condition number concept in pan letter. Condition number will make error generated by reference point selection control in project extent permitted.

在算法设计方面，引入了泛函中条件数的概念，利用条件数将因参考点选择而产生的误差控制在项目允许的范围内。

In practice, considering the error caused by data sampling, author has made use of program judgement method which belongs to digital filter method to make error signal be within allowable scope.

在实际工作时，考虑数据采集时所引起的误差，利用数字滤波中的程序判断法以控制误差信号在允许的范围之内。

But it is regrettable that many of the entrepreneurs still pursue their interests as the greatest goal after their successful career. They forget the social responsibility that they should undertake, and make error choice that go against law, and then enter the path of crime.

但是，令人遗憾的是，相当多的企业家在功成名就后，仍然唯利是图，忘掉其理应承担的社会责任，甚至做出违背法律的错误选择，步入犯罪道路。

Optimal weights for combined forecasts is a model that gives different weight to three single models, then combines them to make error lowest. The weights of three models are add up to one.

最优加权组合预测法是对三种预测方法分别赋予不同的权重，然后将这三种方法进行组合，使预测误差达到最小，三种预测方法的权重合计为1。

We analyze the thermal error variation and thermal error detection with the five point measurement method, and make error compensation.

用五点测量法对热误差进行检测，分析了热误差的变化规律，从而进行误差补偿。

Therefore, sampling workers must make error analysis before sampling, adjust the sampling equipment regularly, check the airtight of sampling system, adjust flow regularly and grasp the setting of programme.

为此，采样人员在采样前必须进行误差分析，定期校准采样器，对采样系统进行气密性检查，按时校准流量，掌握程序的设置方法。