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
- 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。 - The precision of measurement can be improved by optimizing the path of steam flowing through the cavity, selecting working pattern with high quality factor, advancing the measurement precision of the relative frequency deflection and adopting material with lower thermal expansion coefficient and special resonant cavity configuration.
实际应用中，可以通过选择蒸汽在谐振器中的通流位置，选择高品质因数工作模式，提高系统对相对频偏的测量精度，以及采用低热胀材料和特殊谐振器端头结构的办法来提高测量精度。 - 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 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； - 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。 - The relative frequency and Doppler frequency rate estimation accuracy is high, and the process of solving the ambiguity is simple. Lastly, this chapter presents three filter methods of rate of Doppler frequency.
该算法具有相对频率估计精度高、解模糊过程简单、运算量小、多普勒频率变化率测量精度高等优点。 - The high-frequency codons were selected by high-frequency codon analysis according to relative frequency of synonymous codon ( RFSC) which is calculated by RFCS program written by ourselves.
利用自编的RFCS程序计算同义密码子相对使用频率（RFSC），并根据RFSC值筛选出高频密码子。 - Besides this, it is interesting to know the relative frequency of each use case.
除此之外，要注意了解每个用例的相关执行次数。 - Negative politeness strategy and bald on record politeness strategy are less frequently used ( with the relative frequency of 22 and 18.49 respectively).
消极礼貌策略和公开实施面子威胁行为策略的使用率次之（其相对频率分别为22和18.49）； - After the calculation of the relative density, relative frequency and relative dominance, the importance value of the species was calculated. The importance of the species in the niche was judged by the important value.
据所调查的数据计算出不同生境各个树种的相对密度、相对频度、相对优势度及重要值，根据重要值的大小来判断该种群在该生境中的地位和作用。