重復波動 的英文怎麼說

中文拼音 [zhòngdòng]
重復波動 英文
recurrent fluctuations
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
  • : 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...
  • 重復 : 1 repeat; duplicate; reduplicate; iterate 2 repetition; reiteration; gemination; rerun; duplicati...
  • 波動 : 1 (不穩定) undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave (motion); wave...
  1. Objective : to investigate the method and effect of reserved splenectomy on severe traumatic spleen rupture. methods : 31 cases of severe traumatic spleen rupture were retrospectively analyzed. 6 cases were treated by ligating spleen artery with splenorrhaphy, 13 cases by ligating spleen artery with partial splenectomy, 12 cases by splenectomy with autologals spleen transplantation in epiploon, follow - up of all patients was completed from 1 year to 5years. results : all patients recovered. no patients died from surgical operation. patients could work after operation and the susceptibility to disease didn ' t increase. b supersonic inspection showed that : splenic infarction didn ' t exist in patients treated with binding spleen artery, echo sound was heard from transplanted spleen in patients treated with splenectomy and autologous speen transplantation in epiplom. conclusions : it is feasible for patients with severe traumatic spleen rupture to treat by ligating spleen artery with autologous spleen transplantaion in epiploon, which can efficiently control hemorrhage and maintain the function of spleen. splenectomy with autologous spleen transplatation in epiploon is an efficient method to make up furthur function of spleen after splenectomy

    目的探討嚴創傷性脾破裂保脾手術治療的方法及效果.方法回顧性分析嚴創傷性脾破裂31例保脾手術治療的臨床資料, 6例行脾脈結扎+修補縫合術, 13例行脾脈結扎+部分切除術, 12例行脾切除+大網膜自體脾組織移植術.全部獲得隨訪,隨訪時間1 5年.結果本組全部治愈出院,無手術死亡病例.術后均恢能力,無感染易感性增加, b超檢查提示:脾脈結扎者無脾梗死情況,脾切除+大網膜自體脾組織移植者在移植部位可見脾組織回聲.結論對嚴創傷性脾破裂病例,行脾脈結扎+修補縫合或部分切除術是可行的,即能迅速有效地控制脾破裂出血,又能維持脾臟功能.脾切除+大網膜自體脾組織移植術是全脾切除術后彌補脾功能的有效方法
  2. Three antibody banks were set up depending on 20 vats. some sd rats infected 100 trypanosomes were survived in yuanhun and activing - trypanosome antibody bank treated. vsg - antibody bank was similar to control

    我們分離到的vats只有20個並且優勢vats多次,這說明在伊氏錐蟲感染兔,的vats局限在一定范圍之內。
  3. A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation

    該方案以pc機和dsp系統為核心構成主從機系統框架,以基於虛擬儀器思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙軟體結構,把傳統的超聲無損檢測技術和先進的虛擬儀器技術、數字信號處理技術、嵌入式實時操作系統、計算機介面通信技術相結合,從而滿足了自化探傷中1k / s的頻率和實時報警的要求。
  4. Testing method of accuracy and repetition of wavelength of ra - xt automatic biochemical analyzer

    全自生化分析儀長準確度和性檢測法
  5. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術,包括傳輸、交換、組網等,點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細分析,選擇恰當的器件參數進行了數值模擬,並提出了抑制措施(如雙、優化判決門限、選擇恰當的長數) ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題(光網路類型、業務類型、流量類型、光網路生存性) 、 r認人演算法的分類和比較,具體研究了幾種態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光路的概念,對網路資源進行狀態分類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光路可為部分新到的連接請求快速建立連接,從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法,提出了以節點度數、每個長分層的空閑光纖數以及路由策略決定的幾種鏈路權函數,利用基於長分層圖模型的并行r場人演算法模擬,利用新的鏈路權函數使得演算法具有更優的性能,使網路具有更低的連接阻塞率。
  6. Using its two characteristics - fully automatic and rapid, this system can accomplish simultaneous, rapid, stable and repeatable matching with the load impedance, especially the dynamic load impedance ( eg : plasma load ). at the same time, it maintains the reflection coefficient at the desired value ( eg : 1. 2 ) to assure that the microwave transmission is at its best

    此系統可利用它全自化和快速的特點,實時的為負載尤其是態負載(比如:等離子體負載)提供快速,穩定,可的匹配,自將反射系數保持到工程理想值,從而實現微功率的最佳傳輸。
  7. At one time complex structure and area of weariness crack ( including whole suspension hollow axis of swivel, half suspension adopted axletree, substituting holistic grinding steel wheels for wheel - hoop compounded wheels, different wheel - axletree structure of different locomotives, different transmission chamfer machining step of axletresses and driven traction gear etc. ) centralizing make wave clutter and repeat to disturb recognition of real fault wave

    同時,由於全懸掛空心軸、半懸掛抱軸承等雜結構車軸的使用和整體碾鋼輪陸續替代輪箍組裝式車輪,各型機車輪軸結構不同,車軸加工臺階和過渡圓角不同,從牽引齒輪與車軸採用過盈裝配等,在這些結構雜且疲勞裂紋產生集中的區域,探傷時極易發生形交織和,難以識別真正缺陷
  8. 1 ) the ground clutter is very strong when radar works in its down - look mode. 2 ) the clutter has the character of space - time coupling and the clutter spectrum spreads due to the movement of platform. 3 ) the lower repeat frequency results in doppler blur and the clutter spectrum spreads in the whole doppler domain

    地面目標檢測的最大難點: 1 )雷達下視時地雜特別強; 2 )由於平臺運,地雜存在著空時耦合,雜譜展寬; 3 )為避免距離模糊,採用較低的頻率,但會存在多普勒模糊,地雜譜擴散到整個多普勒域。
  9. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完整圓的位置、不完整圓的轉間隙、鎖緊變形、基準尺調整、安裝、電源電壓、標記轉等隨機誤差進行了逐項分析,並給出轉標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。
  10. Due to temperature performance of fbg, a reference fbg is adopted to compensate temperature and the compensation principle is expounded. moreover, this scheme not only realizes temperature compensation but also reduces repeatability error of ffptf and errors from power fluctuation of light source, noise of pd and noise of electro - circuit. in the end, temperature and strain performance of fbg is tested and

    基於光纖光柵的溫度響應特性,提出用一個參考光柵來進行光纖光柵傳感陣列溫度補償的設計方案,並論述了其補償原理,證明了該方法的可行性;同時可以看出,該方法不僅可以實現溫度補償,也可以減小光纖f - p可調諧濾器的性誤差以及光源功率、探測器噪聲和電路噪聲等引起的誤差。
  11. Using fiber grating to substitute traditional wavelength - selecting components, the 8nm tuning range is realized at a repetition frequency of 2. 5ghz. ( 5 ). the wavelength - tuning methods of an active mode - locked fiber laser using a ld as a modulator are researched, and two tuning methods including temperature tuning

    ( 4 )對主鎖模光纖激光器的長調節技術進行了研究,用光纖光柵代替傳統的長選擇器件實現了主鎖模光纖激光器的長調諧,並獲得了長連續調諧范圍達8nm 、頻率2 . 5ghz的穩定的光脈沖輸出。
  12. To direct beams at users who are moving around, the processor must repeatedly solve the equations with constantly updated information from the antenna array

    為了讓束能夠瞄準四處移的用戶,處理器必須不斷更新來自陣列天線的訊息,並且進行解方程式的工作。
  13. ( 2 ) this paper presents some basic theory about wavelet analysis, and proposes a fast wavelet ( packet ) algorithm based on sliding window. by storing the part of wavelet packet coefficients in memory in advance, we avoid repeating calculation and gain a fast wavelet algorithm at the cost of increasing some storage space

    ( 2 )本文介紹了小分析的一些基本理論,提出了一種基於滑時窗的小(包)快速演算法,通過預先存儲一部分小(包)系數,避免計算過程,可以用較小的存儲空間為代價,獲得了計算效率很高的小(包)變換快速演算法。
  14. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    ( 2 )建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩力學微分方程,並應用含高階余項的非線性力方程的線性化數值法研究了此類系統響應的力學行為,利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運、擬周期運、倍周期分岔、混沌等運形式的轉化與演變過程,點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。
  15. Repetitive control is used to reduce voltage distortion under abrupt load variation or nonlinear loads and attain good quality of the voltage waveform ; current loop is designed to quicken the dynamic response and strengthen the ability of the inverter control

    控制可以抑制逆變電源在負載變化嚴(空載加到滿載)或者非線性負載條件下的輸出電壓畸變,保證輸出形的質量;電流環用以改善輸出形的態響應特性,提高逆變控制的能力。
  16. In if the parameters of the friction model are unknown or unprecised, and the motor torque wave is periodic, the repeat - study control technique is used. we discuss the stable condition when introducing the technique into the system, and have a low - pass filter to ease the stable condition

    針對摩擦模型參數未知或不精確的情況以及周期性的電機力矩,提出了與迭代學習控制方法,討論了採用控制后系統的穩定性問題,並得到了相應的穩定條件。
  17. Economy cycle accents the process of economic expand and economic contract appear alternatively and repeatedly. but economic fluctuation is the basic form of economic cycle, so economic cycle or economic cycle fluctuation is the state of macro economic expand and abstract appear alternatively, wave crest and trough circulates round, economic recovery and depression circulate round

    一方面,經濟強調的是經濟實際增長曲線與趨勢增長曲線的偏離現象,而經濟周期則指的是經濟擴張與經濟收縮交替進行、反出現的過程,它們有著不同的側點;另一方面,經濟周期必然是以經濟為基本形式的。
  18. As a result, a high robust controller was easily accomplished, consisting inner - loop, the current loop, outer - loop, the position loop, pre - filter controller, feedforward controller, repetitive controller, and disturbance observer

    該控制器由內環的電流控制器和外環的位置控制器、前置濾器、前饋控制器、控制器和擾觀測器組成。
  19. The claim has been made upon the results that the wmt method should be used in the area near the vertical, while the phase difference method in slant beams and a rule has been given to select among those two methods according to the " effect value " on condition the depth is known for the consideration of improving the measurement precision, this paper studies the factors which affect the toa measurements, and three expressions of precision has been introduced as to applications of phase difference method, this paper introduces an automatic hunting method based on amplitude power to get the range of echo arrival

    採用方差分析的方法,使用海試數據對wmt法和相位差法的優劣進行了分析,指出了垂直附近應該使用wmt法,而傾斜束應該使用相位差法;給出了在深度真實值已知前提下wmt法和相位差法使用的判決準則,即根據效應值的大小來選擇。本文從提高測量精度角度出發,分析並驗證了影響toa測量精度的因素;給出了三種精度表示。在應用相位差法時,引入了一種基於幅度能量的區間自搜索方法;實驗表明該方法能很好地確定回到達的大概時間范圍。
  20. Results show that not only most types of rim - fos can be simulated by the simulation and testing system, but also any kind of which can be tested automatically. also the system can work as soon as power on, while free of the disturbance of environment and power fluctuation of the light source

    結果表明,該系統不但可完成rim - fos特性模擬和特性測試功能,而且還可以開機即測且不受環境光干擾和光源功率的影響,測試穩定性好,性較高。
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