首波 的英文怎麼說

中文拼音 [shǒubō]
首波 英文
head wave
  • 首 : Ⅰ名詞1 （頭） head 2 （首領） leader; head; chief 3 （表示方位） aspect 4 （姓氏） a surname Ⅱ動...
  • 波 : 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...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念，並以加速度模糊函數為分析工具，詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. Its tunable wave - region is over 100nm ( 701 812nm ) with the characteristics of simple manufacture and compact structure ; pulse with high energy can be obtained through q - switch for longer life ( 260us ) particles in upper level in this paper, tunable and q - switch mechanism and principle of working material alexandrite ( cr3 + : beal204 ) is firstly expatiated and analyzed. the experiment of tenability ( et ) and experiment of q - switch ( eq ) is proved feasible

    該激光器波長在701 - 826nm之間，製作容易，結構緊湊；上能級粒子壽命長（ 260 s ） 、調q容易得到大能量輸出本論文首先對激光工作物質?紫翠寶石（ cr ~ （ 3 + ） ： beal _ 2o _ 4 ）的調諧與調q原理和機制進行了解釋與分析，確定了調諧與調q實驗的可行性。
  3. Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。
  4. Tuesday ' s negotiations are scheduled at the us naval academy in the annapolis, maryland

    周二的談判安排在位於馬里蘭州首府安納波利斯的美國海軍軍官學院。
  5. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  6. Mr. hu underlined china ' s importance to the u. s. economy by making his first u. s. stops at the headquarters of software giant microsoft and a boeing aircraft assembly plant

    主席將微軟總部和波音公司的一個飛機組裝廠作為作為此次美國之行的首站，就是為了強調中國對美國經濟的重要性。
  7. 1945 the potsdam conference of allied leaders truman, stalin and churchill ( later replaced by attlee ) began

    同盟國首腦杜魯門、斯大林和丘吉爾（後期為艾德禮）開始舉行波茨坦會議。
  8. Before the prime minister could ask why he was dripping all over the axminster, fudge had started ranting about a prison the prime minister had never heard of, a man named " serious " black, something that sounded like " hogwarts, " and a boy called harry potter, none of which made the remotest sense to the prime minister

    首相還沒來得及開口問他幹嘛要把地毯弄得都是水，福吉在就開始咆哮了，他提到一個首相從來沒有聽說過的囚犯，叫做「小添亂星」布萊克，一個聽起來像霍格沃茨的東西，還有一個叫哈利?波特的男孩，沒有一個是首相能理解的。
  9. This paper is based on " the remodeled item of the 122mm automatic barbette servo system ". it introduced the controlled project of brushless direct current motor realized by dsp at first. on the base of analyzing and studying the driving wave of the brushless direct current motor thoroughly and fully, it carried on the servo system ' s simulink and presented the concrete software and hardware ' s devise of the whole system in the end

    本論文的撰寫是以「 122mm自行迫榴炮伺服控制系統的改型項目」為基礎，首先介紹了dsp實現無刷直流電機的控制方案，在深入、系統的分析和研究了無刷直流電機驅動波形的基礎上，然後進行了伺服控制系統的模擬，最後給出了伺服控制系統具體的軟硬體設計。
  10. Using the hulscher model of the formation of sand waves and sandbanks, under the ancient bathymetry, or under the modern bathymetry, the stokes number of the tidal flow and resistance parameter in the radial sandbanks satisfy the conditions for the formation of sandbanks. the research demonstrates that the dynamic flow conditions result in the development of tidal current sandbank. the radial sandbanks and it ' s asymmetrical distributions will still maintain in the future

    應用hulscher沙波及沙脊增長模式，通過對該海域斯托克斯數及底部阻力參數的計算首次發現，南黃海輻射沙脊群海域在概化古地形和現代輻射狀沙脊群水下地形情況下，其斯托克斯數及底部阻力參數均滿足形成潮流沙脊的條件。
  11. The british protectorate of bechuanaland declares its independence, and becomes the republic of botswana. seretse khama takes office as the first president

    1966年的今天，美國的攝政國貝專納宣布獨立，並成為波札那共和國，瑟瑞特茲?哈馬成為首任總統。
  12. Producers describe the film the fourth in the series about the bespectacled young wizard as the darkest production yet ; it is the first of the films so far to achieve a pg12 rating, meaning under 12s should not view it without adult supervision

    製片人如此評價了這部電影作為一部涉及到更多恐怖場面的影片，哈利-波特4是該系列電影中首個達到pg12級的作品，即12歲以下的孩子在沒有成年人陪同時不宜觀看。
  13. Minitype series ultrasonic cleaners are mainly applicable to labs of plants, shops and small performances, used to cleanse components of clocks and watches, glasses, bijouterie, electronic components and plastic ceramic components etc

    微型系列超聲波清洗機主要適宜於工廠實驗室商店及小批作業，用於清洗鐘表零件眼鏡珠寶首飾電子零件塑料陶瓷零件等。
  14. Oh, put that dirk down, boyle

    放下匕首，波義耳
  15. I cannot hear any polka without sensing a farewell

    我在任何一首波爾卡中都能聽到告別的聲音。
  16. There are two lines for the first arrivals in the waveform clearly. with the increase of the thickness of the dipping formation, the two lines are clearer and clearer

    對應在波形圖上就是兩條比較清晰的首波走時連線；傾斜地層越厚，這兩條連線越清晰。
  17. The time difference curve may confirm the fast formation ; judge the tool ' s centrality ; verify the bonding quality combining with cbl / vdl curves, and also determine the casing collar position, etc

    時差曲線則可以根據時差的大小驗證快速地層；由曲線的變化幅度判斷儀器在井中的居中程度；結合首波的幅度曲線波列的變密度曲線驗證膠結狀況是否良好；利用時差曲線的變化確定套管接箍位置等。
  18. In the early ascent of the first wave of map carvers, a common language was created so that all may understand one another

    在早期提升的首波地圖切割中，通訊語言被創建，以為了所有人能彼此理解。
  19. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。
  20. Jerry for you photo album diary notebook 2. jerry s passion - music video of the hit song " one foot " commercial theme song of mia jewelry

    2 .言承旭的癡情-首波深情強打一公尺完整版mv vcd - mia jewelry 2004廣告主題曲搶先擁有言承旭最真切最深情的詮釋
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