1) over fitting criterion
过拟合判据
1.
The adaptive ANN divides sample into training sample and testing sample,and an over fitting criterion of model is proposed for the adaptive ANN.
Adaptive ANN将样本分成训练样本和校验样本,并设计过拟合判据参数。
2) overfit of data
数据过拟合
3) synthetic criterion
综合判据
1.
A new detection method based on image recognition with a system of synthetic criterion is presented, in which information fusion is applied to enhance the validity and reliability of coalmine spontaneous combustion detection.
为了提高煤炭自燃灾害早期探测的可靠性,笔者提出一种以图像识别技术为基础的煤炭自燃发火探测方法,并进一步利用信息融合技术结合其他探测方法建立一套煤矿自燃发火综合判据系统,该系统有助于提高煤炭自燃预测的准确性,对煤矿的安全生产能发挥重要作用。
2.
After analyzing the dead zone by usinge of existing method to detect earthing fault in DC system,this paper presents a new method-synthetic criterion,which monitors and finds out such earthing fauit in DC system by detecting the voltage of positive and negative buses,positive and negative pole insulation resistance,and the leaking current sub-circuit.
分析了现有的检测直流系统接地故障方法存在的死区 ,建议用一种新方法—综合判据 ,即通过检测正负母线电压、检测正负极绝缘电阻、检测支路漏电流来监视及查找直流系统接地故障。
4) comprehensive criteria
综合判据
1.
Study on comprehensive criteria for regional prediction of coal and gas outburst;
煤与瓦斯突出区域性预测的综合判据研究
2.
Study on comprehensive criteria for the medium and short term earthquake anomaly in East China;
华东地区中短期地震异常综合判据研究
5) integrated criterion
综合判据
1.
Development of fault line selection device based on integrated criterion for indirectly grounding power system;
基于综合判据的小电流接地选线装置研制
6) closing criterion
合闸判据
1.
To rationally configure the closing criterion and metering component according to different connections will enhance the protection security as well as speed and sensitivity.
对合闸于故障保护的配置、构成作了综合论述 ,并对电网各种接线形式下合闸于故障保护的合闸判据及测量元件作了对比 ,分析了各种合闸判据、测量元件的利弊。
补充资料:非线性最小二乘拟合
分子式:
CAS号:
性质:用最小二乘法拟合非线性方程。有些变量之间的非线性模型,通过变量变换可以化为线性模型,此称为外在线性。而有些变量之间的非线性模型,通过变量变换不能化为线性模型,通称为内在非线性。对于非线性模型y=f(ξ,θ)+ε,其残差平方和。S(θ)是θ的函数,当模型关于θ是非线性的,正规方程关于θ也是非线性的。基于使残差平方和s(θ)达到极小的原理求出θ的估计值,拟合非线性回归方程。
CAS号:
性质:用最小二乘法拟合非线性方程。有些变量之间的非线性模型,通过变量变换可以化为线性模型,此称为外在线性。而有些变量之间的非线性模型,通过变量变换不能化为线性模型,通称为内在非线性。对于非线性模型y=f(ξ,θ)+ε,其残差平方和。S(θ)是θ的函数,当模型关于θ是非线性的,正规方程关于θ也是非线性的。基于使残差平方和s(θ)达到极小的原理求出θ的估计值,拟合非线性回归方程。
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参考词条