relative frequency
英 [ˈrelətɪv ˈfriːkwənsi]
美 [ˈrelətɪv ˈfriːkwənsi]
网络 频率; 相对频数; 相对频率; 相對次數; 相对次数
英英释义
noun
- the ratio of the number of observations in a statistical category to the total number of observations
双语例句
- The electromechanical coupling coefficient is usually determined from the relative frequency spacing of the resonance and anti resonance.
压电材料的机电耦合系数通常由谐振及反谐振频率之间的相对间隔确定。 - An assessment of resonance frequencies is made in reference to relative frequency characteristics of the layer obtained for longitudinal and transverse waves from 14 earthquakes recorded in three sites.
参考从三个场地14次地震记录的纵、横波速求得的土层相对频率特征，进行了对其共振频率的评估。 - Code-starting sequences and 1307 code-terminal sequences of E. coli were compiled and the RF ( relative frequency) values of 6 base elements, 4 base elements and 3 base elements in the two regions were counted.
对大肠杆菌1231个编码开始区域和1307个编码终止区域内的6碱基片段、4碱基片段和3碱基片段进行了统计。 - A virtual arbitrary waveform generator in DDS is introduced, in which FPGA is used for the digital circuits and memory carriers in Quartus, the constant high relative frequency precision can be realized in the low frequency area.
Quartus环境以FPGA为数字电路和存储体载体，运用DDS技术虚拟实现任意信号产生，并在信号低频段仍能保持恒定很高的频率相对精度。 - Monitoring of microbial inhibition process by bulk acoustic wave impedance technique and the relative frequency shift response model
用声波阻抗传感技术监测细菌的生长抑制过程及其相应的频移响应模型 - When Coping with simple problems, most of the teachers calculated probability by permutations and combinations or by analyzing the tree diagrams, rarely by designing simulations to estimate probability by relative frequency.
对于比较简单的问题，教师主要采用排列组合方法或作树状图等计算概率，很少设计模拟试验用频率估计概率，高中教师理论分析的成功率高，但是没有一个人提到用频率估计概率。 - Frequency-dependent selection-A form of natural selection in which the fitness of an individual's genes is dependent upon the relative frequency of that gene in the population.
频率依赖性的选择-一种形式的自然选择中，健身个人的基因取决于相对频率的基因中的人口。 - The relative frequency polygon has the same shape as the frequency polygon made from the same data set but a different scale of values on the vertical axis.
根据同一资料绘制的相对频率多边形与频率多边形的形状是相同的，只是纵轴上的标尺不同。 - Both theory and numerical computation show that the error of active power and power factor measurement is proportional to the relative frequency deviation when the conventional algorithm is used, while it is proportional to square of the relative frequency deviation when the proposed weighted algorithm is used.
传统算法的有功功率、功率因数的测量误差与相对频偏成正比；而用该文所提出的三角窗加权算法，有功功率、功率因数的测量误差与相对频偏的平方成正比。 - Results Using relative frequency distribution curve constructed by measured data, we can judge whether it is a symmetric bell shaped curve or not.
结果利用监控所得感度、对比度数据建立的相对频率分布图，笔者可以判断它是否是对称的钟型曲线。