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1)  unascertained filtering
未确知滤波
1.
Based on the theories of wavelet analysis and unascertained filtering, the methods for detecting and eliminating gross-error in observation data series are studied.
基于小波分析和未确知滤波理论,研究了对观测序列中粗差进行探测和剔除的方法,并结合实例进行了分析和比较,表明这2种方法得到的探测结果基本一致,均具备较好的应用价值。
2)  unknown input filter
未知输入滤波器
3)  unascertained number
未确知数
1.
Calculation of water environmental capacity in lake and reservoir based on unascertained number theory;
基于未确知数的湖库水环境容量定量研究
2.
Qualitative estimation method of equipment life cycle cost based on unascertained number theory;
基于未确知数理论的装备全寿命费用定性估算方法
3.
In this paper, the correspondence K from the real number set R to the subset R of the unascertained number set R has been given here.
本文中给出了实数集R到未确知数集R的子集R′之间的一个对应K,并通过证明K关于四则运算的同构性,证明了未确知数是实数的推广,而实数是未确知数的特例。
4)  uncertainty [英][ʌn'sɜ:tnti]  [美][ʌn'sɝtṇtɪ]
未确知性
1.
Like other environmental systems, lake and reservoir are also complicated systems with uncertainty.
同其它环境系统一样,湖泊水库也是一个具有未确知性的复杂系统。
2.
The specified probabilistic models for structural resistances were put forward in connecting with the differences between both structures in deign and in service, which introduce the uncertainty variables into probabilistic models for the in-service structural resistance to reflect the uncertainty of cognit.
针对拟建结构和现有结构之间的差别,文中还建立了不同结构具体的抗力概率模型,在现有结构抗力的概率模型中引入了未确知量,以反映人们在认识现有结构当前抗力时的未确知性。
5)  Unascertained mathematics
未确知数
1.
The unascertained mathematics analysis method of the measurable results about the dissolved oxygen of water;
水质COD测试结果可信度的未确知数分析方法
2.
The unascertained mathematics was introduced to analyze the representative values of compressive strength of concrete core from cast in-suit pile at the condition of small sampling data.
根据未确知数学理论,提出了小样本条件下灌注桩混凝土抗压强度代表值的未确知数分析法。
6)  unascertained variable
未确知量
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