频比的英文

frequency ratio

• 频:    frequent
• 比:    2
• 场频比:    field to frequency ...

例句与用法

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1. Mega - hz ~ 100mega - hz , hr analog video , k - m bit rate
   1兆赫兹~ 100兆赫兹，高分率频比视频， 1千比特~ 1兆比特。
2. In chapter two , the principle of absolutely calibrating is presented . two kinds of interference measurement methods are introduced : counting of frequency ratio method and bessel function method , and the accuracy of the two methods are analyzed
   第二章阐释了激光干涉测振原理，进而介绍了实现激光干涉测振的两种方法? ?频比计数法和贝塞尔函数法，并对两种方法的精度进行了分析。
3. The gpd3402 inverter and plc being selected to set up open - loop and closed - loop speed regulation systems , applying the invariable v / f control , sensorless vector control , slip compensation , process pi and network control technologies control the hoist motor of the stacker crane
   本文基于gpd3402变频器的变频调速方式进行应用开发，对堆跺机提升电机采用变频调速控制，采用gpd3402变频器及plc ，组建开环调速系统，分别应用恒压频比、无速度传感器、矢量控制、转差补偿控制技术。
4. Considering effect of damping ratio and frequency ratio to vertical amplitude of block foundation under dynamic action , this paper adopts calculating mode of mass - spring - damper and mass - spring to make account and analysis on the assumption of damping ratio and frequency ratio , then provides the range of damping ratio and frequency ratio by using two modes to calculate vertical amplitude of block foundation under dynamic action
   摘要考虑阻尼比和频比对动力作用下块体式基础竖向振幅计算的影响，对质弹阻计算模式和质弹计算模式在设定的阻尼比和频比下进行计算分析，提出了在采用2种模式动力作用下块体式基础竖向振幅计算时的阻尼比和频比范围。