消波時間 的英文怎麼說

中文拼音 [xiāoshíjiān]
消波時間 英文
clipping time
  • : 動詞1 (消失) disappear; vanish 2 (使消失; 消除) eliminate; dispel; remove 3 (度過; 消遣) pa...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind

    一維模式的流場結果表明,混合層中的流場是由慣性動與平均流兩部分疊加而成,且通過平均去慣性動后得到平均流,其不同深度的流速矢量構成一ekman螺旋,表層流速矢量相對風向右偏了30 . 3 』 。
  2. The most outstanding function of this wheelchair is its height which can be regulated with user ' s requirements. this function helps expand the user ' s available space, supplement the user ' s body defect and reduce the caregiver ' s burden. it get more improved than previous products. besides, the wheelchair has designed both manual and eletric mode. on one hand, it can save user ' s energy and power, on the other hand it won ' t leave users hopeless in case of powering off and relieve the user ' s worriness. in addition, the bigger basket on the tail part of the wheelchair provides the great convenience for user ' s carrying goods. multiangular back and height - regulated pedal add comfortableness to users. the minidesk with the wheelchair is very convenient for users to read, write and do other things

    本設計的多功能輪椅最突出的一個功能就是座位的高度可以根據使用者的需求隨意進行調節,這樣就可以大大擴展使用者的操作空,補充了使用者在身體上的缺陷,也可以減輕照顧人員的工作負擔,比起以前的產品有了較明顯的改進;其他功能還有輪椅的手動電動兩種驅動方式,這樣可以解決老年人和殘疾人在體力上存在的問題,同在外出遇上沒電的情況也不至於顯得無能無力,除了使使用者在長途奔的顧慮;此外位於輪椅尾部的超大儲物筐,給使用者攜帶物品帶來了極大的方便,靠背的多角度調節,腳踏板的高度調節大大增加了使用者的使用舒適度,輪椅上小桌的設計給使用者讀書,寫字,進行其他活動帶來了極大的方便。
  3. This article utilizes the questionnaire survey and the scene investigation method, conducts the investigation and study to the yangtze river delta area silk expense in the foundation, the utilization supplies and the demand balanced analysis theory, the time series law, the tendency pre - measurement, the season analyzes the pre - measurement, the elastic analysis theory, as well as method and so on return analytic method carries on the comprehensive analysis to the cocoon silk profession, promulgates the influence cocoon silk profession development in order to the restriction factor, and seeks corresponding solution silk market long - term equilibrium and weakens the price undulation frequent countermeasure

    本文運用問卷調查和現場調查方法,對長江三角洲地區的絲綢費進行調查研究的基礎上,運用供給和需求均衡分析理論、序列法,趨勢預測法,季節分析預測法,彈性分析理論,以及回歸分析法等方法對繭絲綢行業進行全面的剖析,以求揭示影響繭絲綢行業發展的制約因素,並尋求相應解決絲綢市場長期均衡和減弱價格動頻繁的對策。
  4. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求,並在此基礎上加入g . 729b的靜音檢測模塊,以進一步降低網路傳輸帶寬;對回聲除器的設計採用nlms演算法,通過設計自適應fir濾器和語音檢測器達到回聲除目的;對雙音多頻設計,信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號,信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計,除了類似雙音多頻的信號發生及頻率檢測設計外,還需要檢測信號持續,作者設計了一種基於匹配狀態表的方法以檢測信號持續
  5. The development and disappearance of the acoustic oscillations are influenced by the nozzle throat size and open - time of the plug

    計算結果表明,這些影響包括了聲振的強度、阻尼和頻率,發動機點火后噴管喉部尺寸和堵蓋打開的影響到振蕩的發展和失。
  6. Control chart is a kind of charts that are used to analysis and determinate whether a process is in - control or not. it use a graph to illuminate the quality variations in production process, and help to find the sources of the variations - common causes or special causes. it is a useful statistical method to keep a process in a stable situation

    控制圖是用於分析和判斷工序是否處于控制狀態所使用的帶有控制界限的圖,它通過圖形的方法,顯示生產過程隨變化的質量動,並分析判斷它是由於偶然因素還是由於系統因素造成的,從而提示管理者及採取相應的措施,除系統因素的影響,保持工序的穩定狀態而進行的動態控制的統計方法。
  7. One of them is delong who once made the great achievement in industrial and capital fields, but now is put in a tight spot. the second one is zhongke which made great impact in the stock market and collapsed due to violating the state law and speculation. the third case mentioned in my thesis is the acquisition and merger between two american giants hp and compaq

    在完成理論準備后,本文對購並市場中三個典型案例進行了分析目前市場上宣傳得神乎其神、但事實上卻如履薄冰的德隆系所取得的成績;早段曾經引起市場巨大動的中科系功敗垂成而煙雲散,操作的當事人因此身陷囫圇;當前國際市場上興起的兩個超級巨人之的合併之一:惠普康柏購併案例前因後果。
  8. Making use of the time series exhibitions of the fluctuation - rate datum, we make our study for the following two purposes : one is to observe whether the preannouncing companies " temporal - condition variance of the series of the return rate conforms to the demand of sta bility ; the other is to decide whether the preannouncing companies " stocks have asymmetrical - information adjustment, this is to say, to decide how the companies response to good or bad news

    為了進一步檢驗盈餘預告新規則實施效果,我們考慮從動性入手對股票市場的穩定性進行系統分析。我們嘗試利用動率數值的序列表現進行研究,力圖了解:預告公司股票日收益率序列的變條件方差是否滿足穩定性要求。預告公司股票是否存在信息非對稱性調整現象,即對利好利空息分別做出何種反應。
  9. By theory and practice simulation, the several types of constant envelope modulation techniques are analyzed and compared, including theirs modulation principle, phase path, the modulated wave envelope, power spectrums, error bit rate and the influence of its power spectrums of the band - limited and non - linear, etc. especially we have researched the ijf - oqpsk modulation technique, and the performance of its inter - symbol interference and time jitter free, and its strongly resisting of spectral spreading

    結合理論和實驗模擬結果,分析討論了衛星通信中的各種恆包絡調制技術,對它們的調制原理,相位路徑,已調包絡,功率譜密度,誤碼性能,以及帶限非線性通道對其功率譜的影響等方面都作了研究和比較。特別研究了ijf ? oqpsk在除碼干擾和定抖動方面的性能及其優良的旁瓣特性和抑制頻譜擴展特性。
  10. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明:用離子交換法製作的電光導,其離子交換濃度、折射率變化符合餘弦誤差函數,光學均勻性以及器件的溫度穩定性較好;製作的強度調制電光開關,光比為150 : 1 ,對1064nm激光的插入損耗為2 . 5 ;製作的電光調制器用於激光脈沖整形試驗,從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖,該電光開關經過長達三年多的使用,沒有出現晶體變黑現象,說明本實驗的低電導率ktp晶體能夠耐受長的調制電壓。
  11. Two crucial technologies in instantaneous negative pressure wave method are analyzed in this dissertation, then a means is presented which can eliminate the dynamic response time diversity between pressure sensors in the beginning and end of the pipeline, by adopting gps to unify the system time between data collecting systems in two ends

    分析了負壓泄漏定位方法的兩項關鍵技術,提出了除首末、端壓力傳感器動態響應差的方法,採用gps來統一首末端數據採集系統的系統;使定位更加準確。
  12. In this paper , an optimal search strategy by dividing the whole surveillance area into regions is presented so that the optimal search can be adaptively implemented in phased array radar. firstly , the inherent relationship among average discovering time , radar resources consumption , search frame period and target distribution density is studied. secondly , parameters for the region search are optimized to achieve the optimal search performance inside regions. then , the optimal search frame period for each region is derived to minimize the average discovering time of targets , where the constraint of radar time resource and the importance of each region are taken into account. finally , the adaptability of this search strategy is discussed. only if the optimal parameters for each region are utilized and the beams are scheduled according to the optimal frame period under the radar time constraint , the optimal distribution and the optimal scanning sequence of beams can be implemented adaptively. thus , optimal search is adaptively implemented in the whole surveillance area

    本文提出一種分區搜索演算法,實現了相控陣雷達的自適應最優搜索.首先,研究了各區域平均發現一個目標耗的雷達資源和目標被發現的平均同搜索幀周期以及目標強度的關系;然後,研究了在各區域採用兩步搜索演算法的最優參數設計,實現了局部區域的最優搜索;其次,在雷達資源有限和區域重要性加權的約束條件下,導出了使目標被發現的平均最小的區域最優幀周期;最後,討論了分區搜索演算法的自適應性.只要採用各區域的最優參數,按最優幀周期調度雷達束,就可以自適應地實現使目標被發現的平均最短的束的最優分佈和掃描順序,即自適應最優搜索
  13. Seek the b ( t ) fieldwork curve and the time derivative curve dbz ( t ) / dt from the voltage decrease data generalized from field current that eliminating noise treated by wavelet ; 3

    由經過小噪處理過的野外歸一化的電壓衰減數據求出b _ z ( t )實測曲線和它的導數曲線(
  14. In this paper, a model developed by t. d. dorney and d. duvillaret et al is used to discuss the principle and method for optical constants extracting. the real refractive index and extinction coefficient of materials and the extraction of other material parameters are also discussed

    Duvillaret等人提出的模型的基礎上研究了從thz形中提取材料的光學常數(實折射率和光系數)的原理、方法,並對于如何得到材料的其他物理參數進行了探討。
  15. This paper gives a time - synchronization technique bases on gps time service signal which is used in broad band seismic recorder 。 by world coordination time offered by gps - - utc ( usno ), adjust local clock base on gps signal, gain high nicety clock signal, clock precision reachs 10 - 6 。 this clock is the time source of broad band seismic recorder, bring the whole seismic recorder works in same time base. 1pps time base with high stability can be used as in - phase, spring, time and start - stop of every collection mode, while the scale under second make a precise time mark to receive data of broad band seismic recorder

    針對接收機中gps信號的噪聲進行kalman濾軟體處理, kalman濾可以對gps信號與本地晶振鐘的差數據在大噪聲中進行平滑,在較短內估計出高精度的差數據。系統除了gps秒脈沖信號的ms級隨機誤差,把晶振秒脈沖的長期穩定度鎖定到gps信號的穩定度上;在gps信號失效給出了可行措施,能夠保證在任何情況下產生一個穩定、高精度秒脈沖信號,誤差在1 s內。
  16. Trouble at the center came to light last may, after the los angeles times and kpix - tv in san francisco, which were tipped by a whistle - blower, reported on increasing wait times for kaiser patients on the national kidney transplant list and other problems

    去年五月有關該移植中心的內幕開始被世人共知。洛杉磯報和kpix電臺再接到小道息后,報道了凱澤?莫恩特醫院患者等待超常和其他問題。
  17. The geologic record also shows that the strength of the magnetic field varies widely in time, and fluctuates wildly during field reversals, sometimes dropping to zero gauss strength ; ie : the field vanishes, disappears

    地質記錄也表明磁場強度在上普遍變化,在磁場逆轉期廣泛動,有降到零高斯強度;也就是:磁場失不見了!
  18. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用歐拉方程作為控制方程,利用中心有限體積法進行空離散,得到對變量的常微分方程組,採用龍格庫塔多步法進行積分,加入人工粘性以除激和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。
  19. The key problems for auralization of small enclosed - room are pointed out, that are, how to realize three modeling tasks of auralization based on wave acoustics, how to solve the consuming of big capability memory and long calculating time

    指出了實現小尺度封閉空可聽化的關鍵問題是如何基於動聲學實現可聽化的三個建模過程、並解決大容量內存耗以及較長計算
  20. 3d dynamic optimization is a kind of technique that automatically separates image signal and interfering signal through a time and space integrated analysis, effectively restrains the interfering signal through adjustment and carding, so as to eliminate the slight noise and interference of the picture and remarkably improve definition of dynamic and static pictures

    3d動態優化,即通過一個和空的綜合分析處理,自動分離圖像信號和干擾信號,通過調整和梳理對干擾信號進行有效的抑制,除了畫面的細微噪和干擾,顯著提升了動態與靜態畫面的清晰度。
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