效果“用来描述统计样本结果能更精确估计真实的总体误差率的可能性。”
The term effectiveness is used to describe the likelihood that the statistical sample result will be more accurate estimate of the true population error rate.
这里将网络的总体误差作为目标函数,以待求的所有参数作为变量,同时调整,构成全监督算法。
Defining network error as optimum objective function, all parameters are looked as function variables, and an entire-supervised algorithm is studied.
中低档数控机床在我国应用极其广泛,几何误差是影响该类机床的主要因素,约占机床总体误差的70 %左右。
Low and middle lever CNC machines have been widely used in our country, geometric error nearly takes account of 70% in total error.
研究结果表明:VBSI在估算山区的植被覆盖信息上可以降低影像阴影信息的干扰,总体误差是归一化植被指数NDVI 的50%;
The results show that: VBSI may decrease the error of vegetation fraction resulted from the area of image shadow, and the error is 50% less than that from NDVI.
这样总体预计总显得很乐观,但也很可能造成了很大的误差,尤其是跨国公司的盈利看上去很一般—除了太阳微电子公司。
Such synergy estimates are almost always too optimistic, but that leaves a huge margin for error, particularly as the earnings multiples being paid look fairly modest-except in the case of Sun.
误差?这最后当然会,计算到总体的误差中。
which ultimately, of course, translates into the error in the mass.
该方法可以使估计的总体均方误差最小。
The method focuses on minimizing the ensemble mean square error of the estimation.
通过对轴系晃动误差的检测,验证了所选用的轴系精度为3.8″,满足了总体技术指标在5″以内的要求。
The measured shaking error of the rotary axes indicated that the accuracy of the axes selected is 3.8", and satisfies the general technical specification of being within 5".
对于样本均值估计总体均值,给出了基于误差限制的样本容量的计算式。
The calculation formulas of sample size based on the error limitation are given for estimation of population mean.
统计量的标准误差表示该统计量作为总体参数的估计的准确程度。
The standard error of a statistic provides an indication of how accurate an estimate it is of the population parameter .
本文从系统总体设计的角度,对整个系统的方案、原理、调试以及误差等方面进行了详细的论述。
The paper discussed the system scheme, principle, system debugging and error form the system design in detail.
总体最小二乘方法(TLS)是近年来出现的一种较新的平差方法,与传统最小二乘方法(LS)不同的是,TLS可以同时顾及系数矩阵及观测值的误差。
The total least squares (TLS) are a new method in adjustment in recent years. Different from the least squares (LS), the errors in coefficient matrix and observations are considered simultaneously.
给出了定点计算三角函数、开平方等初等函数的误差分析,并对该算法进行了改进,使计算精度达到火控总体的要求。
Also the error analysis of elementary functions, such as trigonometric and square root functions for fixed point computing, is given.
文章最后的计算机仿真说明BPGS总体上可以减少学习的时间,尤其当误差值逼近最小点时效果明显。
The imitation of computer proves that BP G S algorithm may decrease learning time in the whole. The effect is obvious especially when the error value is near to the optimal point.
对抽样控制总体法中的差值(累偏)衡量的尺度进行了分析,指出用允许误差作尺度是恰当的,若用标准误作尺度势必造成小班调查的大量返工。
Using allowance error as the dimesion was proper, whereas adopting standarderror as the dimension might cause the high frenquence rework of compartment inventory.
此项频移误差是决定铯原子喷泉频标准确度总体水平的主要因素之一。
This uncertainty is one of the critical factors governing the accuracy level of the cesium fountain frequency standard.
对有限总体在不放回抽样的方法下,构造了一类非线性回归估计量,讨论了它的性质及其有关抽样误差.。
A kind of nonlinear regression estimator for limited Population is given and the quality and the sampling variance about is discussed.
分析仿真结果表明,滚动向指向误差和稳定度以及星载SAR中心视角对分辨特性影响较大,该研究结果对于卫星总体参数确定和优化设计具有参考价值。
The simulation results prove that roll error and its stabilization and spaceborne SAR squint angle are the key factors to SAR resolution performance errors. The conclusion is valuable t…
分析仿真结果表明,滚动向指向误差和稳定度以及星载SAR中心视角对分辨特性影响较大,该研究结果对于卫星总体参数确定和优化设计具有参考价值。
The simulation results prove that roll error and its stabilization and spaceborne SAR squint angle are the key factors to SAR resolution performance errors. The conclusion is valuable t…
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