统计误差

RHIC能区下超子极化转移的统计误差分析

Statistical Error of Spin Transfer to Hyperon at RHIC Energy

统计误差可以通过分层抽样的方法达到。

Statistical error can be achieved by stratified sampling method .

在相关性幅度的统计误差所允许的范围内，α与N之间的关系可以在宇宙弦理论中得到解释。

Within the statistical uncertainties of the correlation amplitudes , the α - N relation can be explained well in the cosmic string model .

对~（190）Os/~（184）Os的测量统计误差可控制在1%以内。

The statistical errors of measurement for the ratio of 190Os / 184Os can be controlled to be less than 1 % .

它测定的Doppler位移精度为1米/秒，统计误差为±0.2米/秒，并具有极高的稳定性。

The accuracy of Doppler shift determined with the system is 1 m / sec and the statistcal error is ± 0.2m / sec , with much higher stability .

圣保罗报的民意调查是基于在贝洛奥里藏特（BeloHorizonte）的米内朗球场（Mineirao）对693名球迷进行的采访，统计误差为4%左右。

The Datafolha poll was based on interviews with 693 fans at the Mineirao stadium in Belo Horizonte and had a statistical margin of error of 4 percentage points .

针对统计误差与动态误差在测量时间上的矛盾关系，文中提出了一种在不增大统计误差条件下减小动态误差的采集与运算方法，并通过实验证实了MCI方法的有效性。

Aiming at the contradiction between the statistic and dynamic errors in time measurement , the paper presents the MCI method of data collection and calculation that can reduce the dynamic error while the statistic error is not enlarged , then experimentally verifies the effectiveness of the method .

使用现有MCNP程序数值模拟碳氧比能谱测井遇到了2个主要困难：脉冲幅度谱的统计误差过大和F8计数不能分别得到非弹谱和俘获谱。

There are two main difficulties in simulating C / O logging with available edition of MCNP code : the statistic error of the pulse height spectrum is too big , as well as the inelastic spectrum and the capture spectrum cannot be scored separately .

既使对统计误差进行调整之后，这些结果也仍然是惊人的。

Even adjusting for measurement errors , these results are striking .

统计误差法对舰空导弹拦截能力的分析115舰遐想

Analyze on Intercepting Ability of Ship-to-Air Missile with Method of Statistical Errors

其统计误差随多重数的增加而减小。

The statistical errors of the result decrease as the multiplicity increase .

河流水力学参数及其统计误差的估计

A method for evaluating hydraulic parameters and statistical errors in river flow

尤其是主观因素是导致统计误差的重要原因。

And the subjective facts are the main reasons .

抽样误差和系统误差（即非抽样误差）是统计误差的两个组成部份。

Sampling-error and system-error ( non-samplingerror ) are two components of statistical error .

通过包含更多条件来减少统计误差。

Statistical error is reduced by including more terms .

在数据处理过程中，引入数理统计误差分离技术。

In data processing , this issue introduces mathematical statistics error separation technology .

对错误与遗漏的正常统计误差的剔除。

Eliminating the normal statistic error from the " error and omission " item .

简析统计误差产生的原因及其对策

Reasons Caused by Statistical Errors and the Countermeasures

各向异性系数的准确度主要取决于探测器计数的统计误差。

The accuracy of anisotropic coefficient mainly depends on the statistical error of the counting .

试论统计误差及其控制

On Statistical Errors and Control

用该方法大大提高了事件的计数率，明显地减少了统计误差。

Events By this method the counting rate is increased and the statistical error is decreased greatly .

对于许多的应用来说，单凭这种简单的观念就可以充分地估定统计误差。

For many applications these simple ideas alone lead to a sufficient appraisal of the statistical error .

使用厚靶技术提高了事件率、减少了统计误差。

The thick target technique is used to increase the event rates and decrease the statistical errors .

统计误差校正和内插程序，通常能以100～200英尺的绝对精度绘出跟踪曲线。

Statistical error-correction and interpolation routines will generally produce track plots to an absolute accuracy of 100 to 200 ft.

此外还特意讨论了实验测量截面值的统计误差与白光源中子谱的相关性。

The relation between statistical errors of measured data and the spectrum of white light neutron source is specially discussed .

一是完善了模拟估计误差减少技术，具体是减少统计误差和离散化误差。

One is to improve the simulation of the estimation error reduction technologies , specifically to reduce the statistical error and discretization error .

截面的总误差在4.0%～6.5%之间，其统计误差为0.5%～3.5%。

The total error in this experiment is from 4.0 % ~ 6.5 % including the statistical error 0.5 % ~ 3.5 % .

结果发现，侧向流的存在对椭圆流计算的统计误差有一定影响，且不同方法影响不同。

It is reveal that the direct flow effects the statistical error of the elliptic flow , and different method has different affect .

在多重数大于300时，多粒子累积矩和李杨零点法的统计误差都很小。

When the multiplicity is greater than 300 , the statistical errors from both multi-particle cumulants method and Lee Yang Zero method are small .

先建立包含统计误差的观测值数学模型，再进行参数估值。

A mathematical model of the observations that includes statistical errors are used and applied for Parameters estimation , Advantages of statistical model method are discussed .