说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 阈值
1)  Threshold [英]['θreʃhəʊld]  [美]['θrɛʃhold]
阈值
1.
On the water environmental capacity of Lake Songhua based on eutrophication threshold;
基于富营养化阈值的松花湖水环境容量分析
2.
Modeling and application of emission threshold of atmospheric pollutant to achieve the standard;
大气污染物达标排放阈值模型的建立与应用
3.
Probability and threshold values for recognizing eutrophication in Lake Songhua;
松花湖富营养化发生的阈值判定和概率分析
2)  threshold value
阈值
1.
Kinetic features and threshold value of petroleum hydrocarbons for Ruditapes philippinarum;
菲律宾蛤仔对石油烃的污染动力学和阈值研究
2.
Changes of natriuretic peptide and threshold value in quantitative diagnosis of heart failure in children;
小儿心力衰竭的利钠肽改变及阈值判定
3.
Determination and interpretation of the threshold value in (α,β)-rough set model;
(α,β)-粗糙集模型中阈值的确定与解释
3)  thresholding
阈值
1.
EMG de-noising by multi-scale product coefficient hard thresholding;
肌电信号相邻尺度积系数硬阈值滤波
2.
Double thresholding algorithm for image segmentation based on maximum fuzzy entropy and particle swarm optimization;
基于最大模糊熵和微粒群的双阈值图像分割
3.
Application of Otsu thresholding method on Canny operator;
Canny算子中Otsu阈值分割法的运用
4)  thresholds [英]['θreʃhəuld]  [美]['θrɛʃhold]
阈值
1.
Location management scheme of hierarchical forwarding pointer with thresholds for mobile Ad Hoc networks;
一种引入阈值的Ad Hoc网络分级转发指针的位置管理策略
2.
Objective To observe the thermal thresholds in normal subjects and their relation with gender and site.
目的初步探讨正常人温度觉阈值的正常范围,以及各阈值与性别、部位之间的关系。
3.
Results\ When population dynamics are immigration or deaths and unbalanced births and deaths proportional to the population size, thresholds are found which determine whether the disease dies out or remains and whether the population declines in size, remains finite or grows exponentially.
结果 重点介绍在移民或出生以及死亡率不相等的情况下给出决定疾病绝灭或形成地方病、种群规模是绝灭、保持有限或无穷的阈值 ,在总人口变化且满足修正的 logistic方程的情况下也给出了相应的阈值
5)  threshold values
阈值
1.
They affect each other and show their own characteristics with different contents and threshold values and effect from each other.
并各具特色 ,它们在发酵调味品中 ,以不同的含量 ,不同的阈值 ,相互影响、相互作用 ,发挥各自的特长。
2.
Threshold values of disturbing highway traffic noise are obtained, and the relation between the objective and the subjective rating scales of the highway traffic noise is analysed.
本文采用客观测量和主观评价相结合的方法研究公路交通噪声对人的影响通过研究,求得了公路交通噪声扰民的容忍阈值,分析比较了公路交通噪声各种客观评价量与人的主观评价量之间的相互关系。
6)  threshhold
阈值
1.
Discusses threshhold determination of Hartmann Shack (H S) wavefront sensor operated with faint object, using intensified CCD as the detector.
研究以像增强 CCD为光电探测器的弱光 Hartmann- Shack( H- S)波前传感器在质心探测过程中阈值选取对质心探测精度的影响 。
补充资料:阈值
分子式:
CAS号:

性质:一个领域或一个系统的界限称为阈,其数值称为阈值。在各门科学领域中均有阈值。如数学中y=f(x)函数关系,自变量x值必须在函数的定义域内,因变量y=才能有确定的值。这个函数的定义域就是x的阈值。在化工系统工程中用阈值来计算最优化问题。人为主观地制定一个决策往往是不合理的,随意确定一个决策值亦往往不能求得最优值。因此计算时要对独立变量取值范围赋予一定的数学限制,所有满足这些限制(阈值)的点构成最优化问题的可行域。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条