準周期的 的英文怎麼說
中文拼音 [zhǔnzhōuqīde]
準周期的
英文
quasi periodic-
Finally, the ocean geoid of china is worked out with about six months topex / poseidon data
最後用20個周期的topex / poseidon數據解算出了中國局部地區海洋大地水準面起伏。Recent study of the kilohertz quasi - periodic oscillations ( qpos ) in low mass x - ray binaries ( lmxbs ) indicates that the radiation force, other than the magnetosphere and disk interaction and the general relativity ( gr ) effect setting the inner disk edge, serves as the disk truncation mechanism on shorter time scales. some results and discussions are presented in this paper
最近對低質量x射線雙星中的千赫茲準周期振動的研究表明,是輻射壓力,而不是盤和磁球的相互作用以及處于盤內邊界的廣義相對論效應在短時標的盤切斷機制上起作用.本文給出了一些研究結果及討論Continual improvement on the bof % and lead time
進口/國產件準時交貨率和交貨周期的持續改進。It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗,不僅能模擬正常生理條件下左心室的壓力波形,還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗,不僅能模擬正常生理條件下左心室的壓力波形,還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制The phenomenon of noise - induced transport of brownian particles in periodic and quasi - periodic systems with coupling between multiplicative colored noise and additive white noises is investigated
在含有耦合的乘性色噪聲和加性白噪聲的周期性和準周期性系統中,我們分析了噪聲誘導的布朗粒子的輸運現象。Two different kinds of approximate theories for analyzing colored noise are employed in the nonlinear system. then effects of the colored nature of the noise on the statistical properties of the laser system, the stochastic resonance of bistable system, and the steady - state probability current of quasi - periodic system are investigated
本文主要通過兩種不同的色噪聲近似理論,分析了非線性系統噪聲的有色性對激光系統的統計性質、準周期性系統的定態幾率流和雙穩系統中的隨機共振現象的影響。Because the speech signal is periodicity at sonant which vocal cords surge in low frequency and similarity to white noises at surd, the pitch can be detected in traditional way through the correlation operation without the speech produce model
在人類語音的濁音段,聲帶發生較低頻率的振蕩,語音信號呈明顯的準周期性,而在清音段,語音信號則類似於白噪聲。In this paper, we have studied the transmission of a plane wave through a 1d quasiperiodic or aperiodic chain by numerical method. moreover the heat conduction for these chains is calculated. it is found that the heat flux j ~ n - 1 ( 0. 5 < < 1 ), and depends on the on - site potentials
本文首先用數值方法,計算了各種頻率的平面波通過以上幾種典型的一維準周期和非周期鏈的透射系數,並據此研究了這幾種一維準周期和非周期鏈的熱通量j與粒子數n之間的關系,得出j n ~ ( a - 1 ) , 0 . 5 1 ,與系統中在位勢的大小有關,並與其他系統的結果作了比較。To do this, we enhanced our standard testing procedure to include performance analysis and code - based corrections much earlier in the product development cycle
為此,我們增強了標準測試過程,以將性能測試分析和基於代碼的校正包括在產品開發周期的更早階段。Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field
文摘:討論了在雙光子驅動場作用下,三能級原子在光子晶體中的自發發射問題.由於量子干涉和光的局域化作用,兩個上能級中的占據數將具有周期振蕩或準周期振蕩的性質,這不僅依賴于兩個上能級與禁帶的相對位置,同時也依賴于原子的初始狀態,而且還與驅動場的強度、驅動場的入射位相有關.這些性質既與真空中帶有驅動場的原子的自發發射性質不同,也有別于無驅動場作用下光子晶體中三能級原子的自發發射性質In this paper, a method assessing harmonic impedance by synchronously layered distortion waves is proposed, which is based on the " fluctuations method " - a simple and effective means. however the method is based on the fourier transform, which can just precisely analyze the signals whose cycle is integer times as broad as that of fundamental wave. with sampling windows widening, the variations of distorted signals in a fundamental period are weakened
本文是以一種被廣泛採用的非干預式諧波阻抗估計方法? ? 「波動量」法,的基礎上,針對現有方法以直接的fourier變換為分析工具,只能對基波周期的整數倍窗口采樣信號進行分析,畸變信號在一個基波周期內的變化隨采樣窗口增大而被弱化,並且,諧波次數越高,解析度就越低,大大限制了諧波阻抗估計的準確性的提高。A counter with timing fiducial oscillator acts as a frequency multiplier, and the count value in the prior period is taken as the reference for the current period to give the decimal part of a signal period
該方法利用帶基準時基的數字計數器實現周期內線性細分,當前周期信號將前一整周期的倍頻數作為參考構成信號周期的小數部分。Then we define criterions including a series of software practice process and method and tools, which are also fit most of home software corporation to application software exploration and fit them to improve their software exploration engineering management before passing evaluation of cmm. the criterions we defined using a series normative process and document to engineer software exploration, which include " project management criterion ", " configuration management criterion ", " software test criterion ", " document writing criterion ", " software exploration and maintenance criterion ", ' software life cycle guide ", etc. " project management criterion " defines area and principle of software research management, which is practiced to manage the people, technology, resources, software, process and so on to improve efficiency and to ensure quality and increase income
《項目管理規程》定義軟體研發管理的范圍、原則,通過實施該規程來對項目中的人員、技術、資源、軟體、過程等進行全方位的管理,一西南石油學院碩卜學位畢業論文以達到提高效率、保證質量、降低消耗、增加收益的最終目的; 《配置管理規程》 ,通過實施該規程對項目開發過程中的所有資源進行控制; 《軟體測試規程》定義對軟體系統測試所用工具、過程和責任: 《文檔編制規程》提供滿足國家《計算機軟體文檔編制規范gb8567 》標準的各種文檔模板來建立統一的文檔編制規范; 《軟體開發和維護規程》定義了軟體開發過程以及採取的方法和工具; 《軟體生命周期指南》 ,根據軟體項目管理的經驗,將典型軟體過程形成軟體過程模型,用於指導以後軟體周期的選擇; 《年度公司規劃》 ,對需要公司總體安排的資源統一調度的過程。In this thesis, the main contents are following : 1. reviewing the theory of nonlinear frequency conversion. quasi - phase - matching is discused. presenting the method for configuring periodically poled as well as multiple period superlattice
闡述了非線性頻率變換的原理,討論了相位匹配和準相位匹配技術,著重說明了周期和準周期光學超晶格的工作原理。A group of calculated results is obtained when the train goes ahead a distance steps. thus, the results in a period are obtained. in addition, the local stress analysis and the shape optimization of locking hooks are done
對于每種載荷情況計算都按照準靜態問題進行分析,不考慮結構的加速度,只考慮載荷作用點(火車車輪)的變化,列車每前進一段距離計算一個受力工況,得到一組數據,得到了一個周期的計算結果。In succession, the decision of performance standard, index proportion and performance appraisal chart design, performance appraisal period, performance appraisal fashion and flow is discussed. only work achievement and work attitude are appraised per month
接著對績效考核標準的制定、指標權重的確定和績效考核表的設計、績效考核周期的確定、考核方式的確定和考核流程的設計進行了論述。Re = 200 is just beyond the critical reynolds number of mode a. the numerical results of the present paper indicate that the near wake at this supercritical reynolds number is in three - dimensional quasi - periodic laminar state with transitional behaviors
Re = 200是剛超過模式a的臨界雷諾數,計算結果表明,此時近尾跡流場處於三維準周期層流狀態。On the railway line nuder normal major repair cycle, rm - 80 full section undercutting ballast cleaning machine has enough excavation ability in working condition, productivity can come up with it ' s design standard
對于正常大修周期的線路上, rm80型全斷面道碴清篩機作業運行工況具有足夠的挖掘能力,作業效率基本上能夠達到其設計標準,這些在國外已經得到了充分的證明。In fact, the difference is the how to expert the function of money. to get the truth and integrate the different ideas, by studying the statistics from 1953 to 2001, there have a conclusion that the length and the trend of period are similar. during the 48 years, by the standard of 10 %, there are six periods to money supply and economic growth and the periods are correspondence, especially the period of money lag the period of economic growth one year
為了澄清這方面的問題,本文對1953年至2001年中國貨幣供應波動周期和經濟增長波動周期的周期、波長、波動趨勢和波幅進行了對比研究,發現在整個48年間,按波幅超過10的標準計量,經濟增長和貨幣波動都可分為六個周期,並在周期、波動趨勢和波幅上呈現出一定的對應性,且貨幣波動周期呈現出滯后經濟周期的特性。分享友人