Study on quenching process with double - frequency induction for working roller in cold rolling 冷軋工作輥雙頻感應(yīng)淬火工藝研究
On double - frequency - channel water depth measurement technology in open diversion channel closure of tgp 三峽工程導(dǎo)流明渠截流中雙頻水深測量技術(shù)
Study on computer monitoring and controlling system for the double - frequency quenching line of long rail 長鋼軌雙頻淬火生產(chǎn)線微機(jī)測控系統(tǒng)的研究
The noise proprieties of cw intracavity doubling - frequency blue laser were studied in theory and experiments 從理論和實(shí)驗(yàn)兩個方面研究了連續(xù)波腔內(nèi)倍頻藍(lán)光激光器的噪聲特性。
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 所用激光器為nd : yag脈沖激光器,采用了調(diào)q和二倍頻技術(shù),波長為0 . 532 、脈沖寬度為7ns 、相干長度為2cm ,能量為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 ) 本學(xué)位論文以為成都飛機(jī)工業(yè)集團(tuán)公司研制雙頻激光干涉儀和位移傳感器自動檢定系統(tǒng)為基礎(chǔ),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 用雙頻聲激勵方法,實(shí)驗(yàn)研究了剪切流中基波及其亞諧波的相位差對“亞諧共振”非線性過程的影響。
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 在磁場計(jì)算所得數(shù)據(jù)的基礎(chǔ)上,本文提出了采用雙頻法分離出sr電機(jī)鐵損中的渦流損耗與磁滯損耗,并分別采用不同的方法計(jì)算出這兩種損耗。
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 本文首先介紹了固體激光器多模運(yùn)轉(zhuǎn)的速率方程,結(jié)合二次諧波的產(chǎn)生方程,給出了內(nèi)腔倍頻固體激光器的動態(tài)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 摘要針對雙頻激光干涉測長系統(tǒng)中物體變速對信號線性倍頻提高測量分辨率的影響,提出一種數(shù)字自適應(yīng)線性倍頻方法。