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有限的测试
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  limited test
     So, how to accurately predict the integrated relationship of load settlement of large diameter pile, and then to define its bearing capacity by using limited test data is an extensively concerned problem in engineering.
     因此 ,如何通过有限的测试数据来准确地预测大直径桩完整的荷载 沉降关系 ,进而确定桩的极限承载力 ,是工程界广泛关注的问题。
短句来源
     The isolated recogniser is shown to be 100% accurate across the limited test set. The connected recogniser performs poorly with a maximum recognition accuracy of 49% after manual tweaking of the HMM probabilities.
     在有限的测试集中进行测试,单呼识别器的识别精度达100%,连呼识别器表现较差,经手工调整HMM概率后其最大识别精度为49%。
短句来源
     Both recognisers are implemented using a token passing version of the Viterbi algorithm. The isolated recogniser is shown to be 100% accurate across the limited test set. The connected recogniser performs poorly with a maximum recognition accuracy of 490% after manual tweaking of the HMM probabilities.
     两种识别器采用维特比算法的令牌传递版本得以实现,在有限的测试集中进行测试,单呼识别器的识别精度达100%,连呼识别器表现较差,经手工调整HMM概率后其最大识别精度为49%。
  “有限的测试”译为未确定词的双语例句
     The neural networks have great capability of the pattern recognition, and thus can be well used for structural damage identification with less dependent on the structural model.
     神经网络具有很强的模式识别能力,而且对结构模型的依赖程度不高。 可以用有限的测试信息形成训练样本,并建立起结构损伤与结构模态参数变化之间的稳定映射关系,从而可以完成对结构损伤的识别,具有很好的应用前景。
短句来源
     A special fault reporting database was created to trace and record the faults found in the process of developing a distributed large scale GIS platform The distribution of faults was derived through a quantitative analysis of the records, and the fault prone codes could then be identified to provide a guideline on how best to use limited testing resources Some contributions of experimental results in related fields are also provided
     建立一个专门的错误报告数据库 ,记录开发大型分布式GIS中各阶段发现的错误信息 ,然后根据数据库中的错误记录进行量化分析 ,得出错误分布情况 目的是识别出有错误倾向的代码 ,为如何合理地分配有限的测试资源提供依据 ,同时也为相关领域提供一定的实验数据
短句来源
  相似匹配句对
     finite.
     -有限 .
短句来源
     Test
     测试
短句来源
     Study on software test method based on finite state machine
     基于有限自动机软件测试方法
短句来源
     Application of FEM in Measurement of Sheet Resistance
     方块电阻测试有限元理论
短句来源
     The Measurement and FEA of Piston Thermal Load
     活塞热负荷测试有限元分析
短句来源
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  limited test
Often, staging evaluations are performed that have limited test performance characteristics, subject the patient to unnecessary morbidity, or simply do not provide additional useful clinical information.
      
Within the limited test panel of 11 inbred strains and their recombinant derivatives, the hybridoma antibodies reacted concordantly to alloantisera with public (H-2.5, H-2.11, and Ia.
      
At higher concentrations, however, limited test reliability resulted from direct toxic effects on bacterial growth.
      
However, Essex County represents a very limited test of the hypothesis.
      
It is sugtested that the criterion can be used as a basis for conservatively extending limited test results to conditions for which test data cannot reasonably be obtained.
      
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By dint of the direct wavelet amplitudes recorded in different depths in zero-offset VSP, the values of attenuation of amplitude within limited test range could be directly extracted and the absorption coefficients, the quality factors and the impedance parameters for different frequencies as well as the relationship between the absorption coefficient and the frequency could thus be obtained.

用零偏移距VSP不同深度点上观测的直达子波振幅,可直接提取有限测试距离上的振幅衰减值,进而求得不同频率时介质的吸收系数、品质因数、波阻抗参数及介质吸收系数与频率的关系本文根据模型地震试验,提供了VSP直达子波振幅衰减值的提取方法,并从数值上给出了各种参数的实验结果。定量研究这些参数有助于揭示介质的力学性质及空间分布。

It is possible to get directly attenuation values of the wave amplitude within a limited test distance, and thus to obtain the absorption coefficient, quality factor, wave impedance of a medium at different frequencies and to understand the relation between absorption coefficient and frequencies by using the amplitude of direct path wave z measured at different depths in a borehole.The results of physical models have shown 1. the amount of energy absorbed by different media varyso There is a big difference in...

It is possible to get directly attenuation values of the wave amplitude within a limited test distance, and thus to obtain the absorption coefficient, quality factor, wave impedance of a medium at different frequencies and to understand the relation between absorption coefficient and frequencies by using the amplitude of direct path wave z measured at different depths in a borehole.The results of physical models have shown 1. the amount of energy absorbed by different media varyso There is a big difference in absorption coefficient at different levels of the model; 2. The absorption coefficients of three media increases quadratically with the increase of test frequency; 3. The quality factors of different media vary, and with the increase of test frequency there is little change of quality factor; 4. The parameters of wave impedance at interface can be provided. Quantitative analysis of these factors will help us to understand the physical and mechanical properties of rockmass and their distribution. This method will enhance the research from a study of kinetics of a single parameter up to a study of dynamics of multiple parameters and from a qualitative study of media to a study of rock properties. And also will provide a reliable criterion for studying synthetic sonic wave record and sonic wave theory.

利用钻孔中不同深度点上观测的直达波振幅,可以直接提取有限测试距离上的振幅衰减值,进而求得不同频率上介质中呈现的吸收系数、品质因数、波阻抗参数及介质的吸收系数与频率间的关系。物理模型试验结果表明:1.不同介质对声能的吸收量不同,各模型层位中吸收系数具有较大的差异;2.在属低频范围内,三种介质的吸收系数随测试频率的增高成平方关系;3.不同介质品质因数不同,品质因数随测试频率的增高变化甚微;4.可以提供界面波阻抗参数。定量研究这些参数有助于揭示岩体物理力学性质及其空间分布。这一方法的提出,将使声波从运动学单一参数的研究向动力学多参数研究,介质的定性研究向地质、岩性研究前进一步,同时也为人工合成声波记录和声波理论研究提供可靠的依据。

An attempt is made to study the model identification of Tsing Ma Bridge at Hongkong in time domain. The response acceleration signals of the bridge are weak. It is disturbed strongly during testing. Neither analogue filters nor digital filters of window function can do well on such signals. The Chebyshev digital filter has more accurate edge frequencies of passband and stopbond. The acceleration signals can be pre?processed by the digit filter. Then, random decrement functions, as the free response acceleration,...

An attempt is made to study the model identification of Tsing Ma Bridge at Hongkong in time domain. The response acceleration signals of the bridge are weak. It is disturbed strongly during testing. Neither analogue filters nor digital filters of window function can do well on such signals. The Chebyshev digital filter has more accurate edge frequencies of passband and stopbond. The acceleration signals can be pre?processed by the digit filter. Then, random decrement functions, as the free response acceleration, are obtained from the ambient signals. The testing is carried out using group by group method because of the longer stiffening deck and limited number of equipments. Seventy?nine modes of the bridge are identified including five complex modes. The identified modes in time domain are compared with that of the identified modes in frequency domain and the analytical results.

文章研究了青马悬索桥模态参数时域识别。青马桥脉动测试信号弱、干扰因素多 ,模拟滤波器的滤波效果又不好 ,而Chebyshev数字滤波器却能精确地确定通带和阻带的边缘频率 ,故本文采用它对脉动加速度进行预处理。然后用RD函数将脉动信号转变为自由衰减信号。为了提高时域法模态参数识别精度 ,本文采用了改进的特征系统实现算法。由于青马桥加劲梁长达 2 160m ,加速度计和仪器通道数有限、测试只能分组在不同时间进行 ,而目前的时域模态技术只能处理同时记录的数据。本文先分组时域识别、然后通过参考点拼装全桥的模态 ,共识别出青马桥的 79个模态 ,包括五个复模态。后者与青马桥典型复阻尼特性相一致。本文还把上述结果与频域法及有限元计算结果进行了比较。

 
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