double-frequency中文是什么意思

• 倍频罩
• 双频率的

• double    adj. 1.两倍的，加倍的。 2.双的，二重的，双重的 ...
• frequency    n. 1.屡次，频仍，频繁。 2.(脉搏等的)次数，出现 ...
• double frequency    倍频，双频; 二倍频率双频率; 双频率的
• frequency double    倍频器
• df double frequency    倍频
• dfr double frequency recording    倍频记录
• doppler system with double frequency    双频多普勒系统
• double frequency beacon    双频信标
• double frequency coding    双频编码; 双频率编码
• double frequency electric oven    双频感应电炉
• double frequency fish finder    双频鱼探仪
• double frequency inductor    双频感应器
• double frequency modulation    双重调频
• double frequency oscillation    双频率振荡; 双频振荡
• double frequency recording    双频记录
• double frequency recording，dfr    双频记录
• double frequency shift    双移频
• double frequency shift keying    双频移键控; 双移频键控
• double frequency system    双频制
• double frequency table    二项频数表
• double frequency transmission    双频率传输
• double frequency-modulated altimeter    双调频高度表
• double-frequency coding    双频率编码
• double-frequency generating set    双频发电机组
• double-frequency generator    双频发电机

• Study on quenching process with double - frequency induction for working roller in cold rolling
  冷轧工作辊双频感应淬火工艺研究
• On double - frequency - channel water depth measurement technology in open diversion channel closure of tgp
  三峡工程导流明渠截流中双频水深测量技术
• Study on computer monitoring and controlling system for the double - frequency quenching line of long rail
  长钢轨双频淬火生产线微机测控系统的研究
• The noise proprieties of cw intracavity doubling - frequency blue laser were studied in theory and experiments
  从理论和实验两个方面研究了连续波腔内倍频蓝光激光器的噪声特性。
• With double - frequency technique and q switch technique the laser delivers a laser pulse of 532 - nm in wavelength , 5 - ns in pulse width , 35 - mj in energy and 2 - cm in coherent length
  所用激光器为nd : yag脉冲激光器，采用了调q和二倍频技术，波长为0 . 532 、脉冲宽度为7ns 、相干长度为2cm ，能量为35mj 。
• This thesis describes the research on the development of double - frequency laser interferometer and automatic measuring calibration system of displacement sensor made for chengdu aircraft industrial ( group )
  本学位论文以为成都飞机工业集团公司研制双频激光干涉仪和位移传感器自动检定系统为基础，完成了以下研究工作： 1
• By the method of double - frequency acoustic excitations , experiments were conducted on the influences of phase differences between the fundamental and subharmonic waves upon the " subharmonic resonance " - the nonlinear interaction between the waves
  用双频声激励方法，实验研究了剪切流中基波及其亚谐波的相位差对“亚谐共振”非线性过程的影响。
• Based on the magnetic field data , this paper presents a double - frequency method to separate eddy current lossand hysteresis loss from iron loss , then different methods are used to calculate the two losses separately
  在磁场计算所得数据的基础上,本文提出了采用双频法分离出sr电机铁损中的涡流损耗与磁滞损耗,并分别采用不同的方法计算出这两种损耗。
• At first , we introduced the velocity equation of dpssl , which operates in the multi - longitudinal modes . then , we give the dynamic equation of intracavity doubled - frequency dpssl , when we take in the shg ( second harmonious wave generation ) equation
  本文首先介绍了固体激光器多模运转的速率方程，结合二次谐波的产生方程，给出了内腔倍频固体激光器的动态方程。
• In order to reduce the effect of variable speed on the resolution improvement via linear frequency multiplication in double - frequency laser interferometric system of displacement measurement , this paper presents a new adaptive digital linear frequency multiplication method
  摘要针对双频激光干涉测长系统中物体变速对信号线性倍频提高测量分辨率的影响，提出一种数字自适应线性倍频方法。