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   阶数截断 的翻译结果: 查询用时:0.216秒
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阶数截断
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  “阶数截断”译为未确定词的双语例句
     A carrier lock detection function was deduced, which almost has the best performance when SNR is below 3dB. Effects of digital filter quantization errors on performance of receiver have been analyzed thoroughly, which provide the criterion to determine the word length and order of FIR.
     针对数字接收机的载波锁定判决提出了一种新的判决函数,在低信噪比下具有很好的判决性能。 论文全面分析了有限冲击响应滤波器字长截断和阶数截断误差对接收机性能的影响,为数字接收机中的滤波器字长和阶数选择提供了理论依据。
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  相似匹配句对
     On the Order of Accuracy of Exponent Scheme
     指数格式截断精度阶数估计
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     The criteria to decide the truncation order of the regional models are discussed.
     提出了确定区域模型截断阶数的判据 .
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     The cutting problem
     截断切割
短句来源
     ON THE ASYMPTOTIC DISTRIBUTION OF HEAVILY TRIMMED SUMS
     重截断和的渐近分布
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     Orders of the EI algebra
     EI代数的阶数
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A numerical method of the statistics fluctuation problem of fission chains is studied for fission system driven by a weak neutron source.Constructing model of numerical simulation,analysis of numerical method,examinations of numerical simulation,demonstrating of numerical simulation for a kind of problem have been done.Examinations of numerical simulation for special example indicated that so long as the order of the system of numerical siumlation ( N ) is large sufficiently,numerical solutions satisfy normalization(conservation)law、population...

A numerical method of the statistics fluctuation problem of fission chains is studied for fission system driven by a weak neutron source.Constructing model of numerical simulation,analysis of numerical method,examinations of numerical simulation,demonstrating of numerical simulation for a kind of problem have been done.Examinations of numerical simulation for special example indicated that so long as the order of the system of numerical siumlation ( N ) is large sufficiently,numerical solutions satisfy normalization(conservation)law、population growth exponential law,and approach to the exact analytic solution.An one diminsional equivalenly modelling numerical method is presented for statistics fluctuation problem of neutron fission chains in unsteady fission system.

研究了弱中子源驱动下,裂变系统中子裂变链统计涨落问题的数值计算方法。进行了数值计算建模、数值方法分析、数值计算检验、一类问题概率分布函数的统计涨落特征量的数值计算示范。特例数值检验表明:只要数值解方程组阶数( 截断) N足够大,数值解满足归一(守恒) 律、指数增长律,并与精确解析解一致。对于非定常裂变系统中子裂变链统计涨落问题提出了一维等效模型下数值模拟的方法。

The numerical method of the statistics fluctuation problem of fission chain is studied for a fission system driven by a weak neutron source. Constructing model of numerical simulation, analysis of numerical method, examinations of numerical simulation, demonstrating of numerical simulation for a kind of problem have been done. Examinations of numerical simulation for special example indicated that so long as the order of the system of numerical simulation (N) is large enough, numerical solutions satisfy...

The numerical method of the statistics fluctuation problem of fission chain is studied for a fission system driven by a weak neutron source. Constructing model of numerical simulation, analysis of numerical method, examinations of numerical simulation, demonstrating of numerical simulation for a kind of problem have been done. Examinations of numerical simulation for special example indicated that so long as the order of the system of numerical simulation (N) is large enough, numerical solutions satisfy normalization (conservation) law and eλt exponential function population growth law and are identical with the exact analytic solution. The one-dimensional equivalent (about λ σ) numerical simulation method for statistics fluctuation problem of neutron fission chain in unsteady fission system is proposed.

研究了弱中子源驱动下,裂变系统中子裂变链统计涨落问题的数值计算方法。进行了数值计算建模、数值方法分析、数值计算检验、一类问题概率分布函数的统计涨落特征量的数值计算示范。特例数值检验表明:只要数值解方程组阶数(截断)N足够大,则数值解满足归一(守恒)律、指数增长律并与精确解析解一致。建立了对非定常裂变系统中子裂变链统计涨落问题进行一维等效模型下数值模拟的方法。

RiskA is a home-developed probabilistic safety assessment software by FDS team.Large numbers of real fault tree models of nuclear power plants are calculated by RiskA and Risk Spectrum.Comparative analysis shows that the fault tree qualitative and quantitative analysis of RiskA is accurate and efficient.On the contrary,Risk Spectrum may be ill-considered and faulty in some cases though it is used by 40% of the world nuclear power plants,as the probability of each MCS is inconsistent with theoretical value which...

RiskA is a home-developed probabilistic safety assessment software by FDS team.Large numbers of real fault tree models of nuclear power plants are calculated by RiskA and Risk Spectrum.Comparative analysis shows that the fault tree qualitative and quantitative analysis of RiskA is accurate and efficient.On the contrary,Risk Spectrum may be ill-considered and faulty in some cases though it is used by 40% of the world nuclear power plants,as the probability of each MCS is inconsistent with theoretical value which is calculated based on the technology of rank truncation.

对FDS团队研发的国产PSA软件RiskA进行了大量系统性的测试,采用完整的核电站真实系统模型,分别用RiskA和国际同类流行软件如Risk Spectrum进行了故障树的定性及定量分析,测试结果表明RiskA与国际同类软件相比,结果正确、模型可靠、算法精确。而Risk Spectrum在测试过程中暴露出了一些问题,如分析中采用阶数截断时单个最小割集的定量计算不正确等,对该问题进行了理论证明及初步的原因分析。

 
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