查询词典 difference frequency

HIGH FREQUENCY, The frequency band between 3 and 30 MHz.

高频， 频率带在3至30兆赫之间。

The paper presents an account of selection of frequency changer used for feeding pump of dense medium cyclone , effect of function of the frequency changer and the problems identified in its application.

介绍了重介质旋流器给料泵变频器的选择、控制功能的实现以及应用中的几个问题，说明了变频调速技术的优势和应用潜

They are widely used for high frequency dc-to-ac converter, common modechoke of high frequency circuit changer, zero order mutual-inductor and so on.

这种材料已被广泛的应用于高频开关电源、零序互感器、高频逆变器和变压器等电器设备中。

This process described the frequency changer - sensor - electric motor test system mathematical model, and in the platform which the microcomputer, the high speed sampling card, hypothesized instrument software constitutes, has realized to the frequency changer power supply electric motor test.

此次过程描述了变频器-传感器-电动机测试系统的数学模型，并在微机、高速采样卡、虚拟仪器软件构成的平台上，实现了对变频器供电的电动机的测试。

Note: The power lines of frequency changer cannot get connected to wrong input or output lines, or else the frequency changer will be damaged.

千万注意，变频器的动力线，输入和输出不能接反，否则变频器损坏。

And the frequency response function curve and preceding 10 modes frequency are obtained.

得到频响函数曲线及前10阶模态频率。

Based on this theory,and combined with Fourier transform frequency spectrum analysis and curve fitting ,the formula and arithmetic of equivalent mainfrequency for the frequency conversion measurement are derived.

本文正是基于这种变频法的思想，结合傅立叶变换频谱分析法和曲线拟合方法推导了介质损耗参数的工频等效计算公式和算法。

Analyzed the influence of different frequency range to the force change tendency, obtained the biggest dynamic force change along with the frequency curve.

对计算结果进行了分析，分析不同频率范围对张力变化趋势的影响，得到了最大张力随频率的变化曲线。

The resonant points of frequency response curve at different frequency represent different information of winding deformation.

由于不同频率段反映的变形信息不同，因此将频率段按照谐振点个数平均划分为三个区段。

Digital frequency meter based on the principle of frequency measurement block diagram, using Verilog HDL language, the success of the preparation of a design process, and QuartusII software environment, the preparation of the Verilog HDL simulation program has been very good results.

根据数字频率计的测频原理方框图，采用Verilog HDL语言，成功的编写出了设计程序，并在QuartusII软件环境中，对编写的Verilog HDL程序进行了仿真，得到了很好的效果。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。