relative frequency

The frequency character of the DD roller machine was analyzed, and the relative controlling strategy has been established and realized via upper computer program writing.

分析了DD滚筒洗衣机节拍的特点，制定了相关的控制策略，并通过上位机程序的编写来实现。

What happens in practice depends on the detail of the instructions to the mystery shopper and the frequency with which the relative weights of the components of the basket are reassessed.

实际情况取决于这位神秘购物者得到的详细指令，以及篮子里各物品相对权重重新调整的频率。

The concept of relative word frequency ( RWF ) is presented for evaluating the strength of word collocation.

提出利用相对词频 ( RelativeWord Frequency,RWF ) 来评估词语之间搭配强度.

Based on analysis of variational curves of pressure and thrust with different fuel pipe length and PDE working frequency, the mechanism of fuel self-fit control was studied, and the vital influence of the fuel supply delayed time relative to air entrance to PDE working is discussed.

通过对不同油管长度、不同工作频率的压力、推力曲线对比研究，分析了供油自适应控制的机理，及供油相对进气滞后时间的长短对PDE工作的影响。

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

Discrete Fourier Transform ( DFT) is used to realize the coherent integration, which improves the relative ambiguous frequency estimation precision of coherent pulse group. This algorithm has low computational complexity and high estimation precision for Doppler frequency rate-of-change.

针对单载频雷达脉冲信号，提出了基于相关的脉冲群间多普勒频率变化率高精度估计算法，通过离散傅立叶变换实现了相参积累，提高了相参脉冲群相对模糊频率估计精度。

Inin vivo the high-intensity , low-frequency catheter-delivered ultrasound can be effective and relative safe in ablating thrombus.

体内外的研究发现, 低频 高能 超声介入治疗可以有效的消融血栓病变,并且有相当的安全性.

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。

With the energy analysis to wavelet packet frequency bands, the feature of relative energy of frequency bands can be extracted accurately, which provides the diagnosis of crank bearing wear fault with quantitative foundation.

利用小波包频带能量分析法实现了对信号各频带相对能量信息特征的准确提取，为曲柄轴承磨损故障的识别提供了定量的依据。

Use the frequency band relative energy accumulation rate of change target to analysis the acceleration signal. Then use of statistical methods to determine the damage position of rigid tie-bar arch bridge suspender.

通过频带相对能量累积变化率指标来分析损伤前后加速度信号，利用概率统计的方法判断刚性系杆拱桥吊杆损伤的位置。

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。

Consider the relative frequency of prime numbers.

思考一下素数的相对频率.