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
- In this paper, authors advised a new method calculating the cumulative relative frequency, to study frequent distribution of plant size in the population. To investigate the distribution and frequency of symptoms in manic-depressive disorder.
提出了在解析植物群体的直径分布时不划分直经阶，直接求累计频度的方法；目的调查住院躁狂和抑郁症的症状分布和频度。 - 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。 - The wave relative frequency in the coordinate system moving with current and the angle between the direction of wave propagation and that of current are computed based on the wave dispersion relation.
利用波浪弥散关系的迭代计算求得波向与流向的夹角以及波浪的相对频率。 - A analytic formula about the measuring value of active power and power factor of periodic signal as a function of the relative frequency deviation and the sampling initial phase ( or time) is derived;
推导出任意电压、电流信号的有功功率、功率因数随相对频偏及采样相位变化的一般公式； - A weighted algorithm of Triangular window and wavelet transform are using to measure active power and power factor of three-phase asynchronous motor in the non-sinusoidal waveform. The error of active power and power factor is proportional to square of relative frequency deviation.
采用三角窗加权算法并结合小波变换计算非正弦状态下三相异步电机有功功率、功率因数，其测量误差与相对频偏的平方成正比。 - Two classification systems of depositional sequence hierarchies are respectively presented, which are based on the relative frequency and relative magnitude of base level changes.
沉积层序的级别有2种划分系统，分别以基准面变化的相对频率和相对振幅为基础。 - 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 - According to the school level, we divided them into early, middle and senior three stages, respectively by applying the method of correctly using relative frequency statistics from each stage of the acquisition sequence.
按照学时等级分为初、中、高级三个阶段，运用正确使用相对频率法分别统计出每个阶段的习得顺序。 - 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。 - An experimental system for determining local time differences and relative frequency difference for two separate hydrogen masers has been carried out.
在此基础上，介绍了我们建立的一套地面激光时间传递系统，以及对两台氢原子钟进行钟差比对和相对频率差的测定。