控制波段 的英文怎麼說

中文拼音 [kòngzhìduàn]
控制波段 英文
control band
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 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...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 波段 : [電學] wave band; wave range; band; range; frequency range; frequency band
  1. It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency

    對大管徑氣-液兩相流動中嚴重影響壓力平衡與機械驅動效率的塞流生成機方法進行了研究,實驗證明塞流的形成是由於空隙率的大幅度增長使氣泡高度集中,並形成聚並所致。強湍流運動可以抑taylor泡的形成。因此,通過強化湍流或擾動頻率可以對氣泡聚並起明顯的抑作用。
  2. Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for

    目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品;公司主要產品:有線電視用戶管理系統(可尋址2 - 8戶分支分配式、 8 - 32戶集線式) ;射頻加解擾系統(群加群解、分兩、按頻道單解) ;視頻數字分加解擾系統;有線電視網路防盜播系統;數字有線電視產品與數字mmds (微)系統;通用型防雷供電器,射頻自動供電器,可尋址供電器;電源防雷保護產品;過流分支、分配器,分流器、陷器、電源插入器,衰減器、均衡器等。
  3. Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively

    文章中還建立一種基於模糊神經網路的非線性模型,並對比分析了三種方法,模擬中確定了電機的最優開通關斷角,在此基礎上實現了電流斬、角度位置、變幅值電流斬以及分雙閉環pi,模擬結果表明,它實現了電機的正常運行,很好的抑止了電機轉矩脈動,同時有效地降低了噪聲。
  4. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施:根據本實驗室近來研製的吸材料,建立了吸材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單組分吸塗層對重量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件,實現了多層多組分吸塗層對重量輕的要求;使用權重系數變化法,實現了吸塗層的分頻性能要求。
  5. It implements filter groups design, wide range linear automatic gain control design, and the programmed logic device design based on vhdl, and discuss their application in initial radar system in details

    其中包括分器的設計技術,寬線性自動增益agc電路的設計技術,以及基於vhdl語言的可編程邏輯器件的設計技術,並對其在數據採集系統中的應用作了詳細的討論。
  6. He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts

    將功率作為系統的目標,將功率分成三進行,在低風速區,載荷是有限的,以功率最大化作為目標;在額定風速附近,由於處在升力曲線斜率的變化點,功率變化較大,應盡快調整槳距角進入失速區工作,減少載荷的動,該額定風速區的上下工作點要通過現場試驗的手來確定;在額定風速以上,使功率維持在額定輸出,減少功率動,並通過bladed軟體的模擬計算對策略進行了驗證。
  7. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束前畸變檢測和上進行了新的探索,主要就空間相位調環路徑向剪切干涉儀以及它對前畸變的檢測和液晶空間光調器及其對中頻前畸變的進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變前對激光光束焦斑聚焦性的影響,並採用描述中頻前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。
  8. This thesis regard internal property reorganization in the group of pangang as the research object, from chengdu seamless steel pipe limited liability company with chengdu iron and steel works inside exterior environment reorganizing in front and back commences, making use of to exceed the makel - bot with of five factors competition models and the method of factors analysis, after analyzing the reorganization of the business enterprise a profession for facing competes the situation. develop the development the business enterprise with the profession industry from the international local profession rival circumstance after analyzing the reorganization should the market position of the establishment with develop the strategy target. make use of the swot the analysis the method, to after the reorganization the development strategy of the business enterprise, from manage the angle proceeded the fixed position analyzes, for after the reorganization business enterprise development provided four kinds of developments strategy that eligibility choose : the brave development strategy, request the resources advantage, funds advantage, human resource advantage, technique advantage that new company make the most of new business enterprise in empress in reorganization, is an essential condition to increases to manage the level, quickly technique reforms, develop the high and additional worth product with new product production line, as soon as quikly change to strong and large business enterprise, realizes soon steel aircraft carrier dream ; dispersion strategy, the technology market quota with deal with produce high additional worth product, completely promote business enterprise brand image, extend high carry product of the exaltation product, is a necessary means to increases business enterprise performance, realizes business enterprise target ; defense strategy, adjusting the business enterprise organizes construction, reducing the intensive type in labor and the low additional worth product line, lower bad the property saves the deal, alleviating the business enterprise burden, attaining the casual wear go to battle, benefitting to the challenge that make frontal attack the rival ; withdraw strategy, compress the production of the high depletion and high cost product, simplify the production craft, controlling the cost of the end product in the lower level, is a valid path to increases business enterprise competition ability

    本論文以攀鋼集團內部的資產重組為研究對象,從成都無縫鋼管有限責任公司與成都鋼鐵廠重組前後的內外部環境入手,運用邁克爾?特的五力競爭模型及因素分析法,分析了重組后的企業所面臨的行業競爭態勢。從國際國內行業競爭對手情況和本行業發展動態分析了重組后企業應確立的市場地位和發展戰略目標。運用swot分析法,對重組后企業的發展戰略,從管理角度進行了定位分析,為重組后企業發展提供了可選擇的四種發展戰略:即大膽發展戰略,要求新公司充分運用重組后新企業的資源優勢,資金優勢,人力資源優勢,技術優勢,是提高管理水平,加快技術改造,開發高附加值產品和新產品生產線,盡快立於強勢企業之林,早日實現「鋼鐵航母」夢的必要條件;分散性戰略,提高產品的科技含量和生產高附加值的產品,全面提升企業品牌形象,擴大高端產品的市場份額,是提高企業效益,實現企業目標的必要手;防禦性戰略,調整企業組織結構,削減勞動密集型和低附加值產品生產線,降低不良資產存量,減輕企業包袱,做到輕裝上陣,有利於迎擊競爭對手的挑戰;退出性戰略,壓縮高消耗、高成本產品的生產,降低低端產品的比例,精簡生產工藝,將最終產品的成本在較低水平,是提高企業競爭力的有效途徑。
  9. It is a quite complicated system and involves many fields : accelerator physics, microwave electronics, vacuum physics, low temperature physics and etc. based on this facility, there are some physics issues " analysis and numeric simulation on the accelerator in this dissertation

    中物院應用電子學研究所的30mevlinac是為fel實驗建成的國內第一臺l腔加速結構linac ,它涉及到加速器物理、微電子學、真空物理學、電子學和學等多種學科,是一個非常復雜的系統。
  10. It is a new tool to detect and observe the structure and status of underground media by accurately measuring its transfer function through sinusoidal elastic wave accurately controlled in frequency and stable in phase

    它是使用一種精密頻率和相位穩定的彈性,對發射和接收兩點間的傳遞函數進行精密測定從而監視和觀測地下構造和狀態的一種新型手
  11. Project 25 - trunking control channel messages - addendum 2 - multi band operations

    項目25 .中繼通道電文.附件2 .多操作
  12. The some fire control system is an advanced multi - senor short range air defense system, which integrated both x and ka bands searching and tracking radars, laser range finder, combined the control computer of subsystem with the master computer, and applied the technology of data fusion

    摘要某火系統集兩個頻率的搜索雷達、跟蹤雷達和電視跟蹤器、激光測距機於一體,分系統處理計算機與系統主計算機相結合,採用了數據融合技術,是一部多傳感器集成的現代化防空系統,具有搜索性能好、反應時間快、抗干擾能力強、自動化程度高、使用性能好等特點。
  13. Shangyu power capacitor co., ltd is an appointed manufactory for power capacitor by ministry of mechanical building, and is also one of the first batch of recommendation products manufactory list for the construction and reform of city countryside powergrid in china. spcc is located in shangyu city of advantaged yangtze river delta with ningbo adjoined in the east, hangzhou in the west, wenzhou in the south and hangzhou bay in the north. spcc has a strong engineer team products with logical designing and advanced craft, scientific managerial approach and complete testing system

    公司位於中國長三角東南翼的上虞市。東鄰寧西毗杭州南接溫州北瀕杭州灣,地理位置得天獨厚。公司技術力量雄厚,產品設計合理工藝先進管理科學測試手全完善關鍵工序的生產過程在恆溫恆濕的超潔凈室內進行真空乾燥浸漬全過程的真空度及溫度由計算機自動
  14. Since the early 1990s, when the electronics industry came to the stage of digital technology, china has broken through in high - end series personal computers and servers, large - scale parallel computer systems, chinese electronic publishing systems, large - scale spc exchanges for central offices, mobile communications systems, sdh wdm fiber communications systems, thin route satellite communications systems, new generation digital video terminals, manufacturing technology for 0. 8 - 0. 35 m cmos integrated circuit chips, etc

    到90年代進入數字技術階,高檔系列微機和服務器產品、大規模并行計算機系統、中文電子出版系統、大型局用數字程式交換機、移動通信系統、 sdh分復用光纖通信系統、稀路由衛星通信系統、新一代數字視頻終端、 08 ? 035微米cmos集成電路晶元製造技術等,都有突破性進展。
  15. The first chapter states out three crucial opinions of mst theory : action - ontology, mechanism of control, and concept and classification of mst. the second chapter talks about the evolutionary opinions of turchin by introducing general evolution theories of k. popper and d. t. cambell. it also explains five stages of life ' s evolution which turchin used mst to describe : stage of simple reflex, stage of complex reflex, stage of high animal, stage of human being, and stage of social integration

    緊接著從四個主體部分來闡釋這一理論:第一部分詳細敘述了元系統躍遷理論的三個核心要點,分別是,把世界的終極實在看作是「行動」的行動本體論、多層次的論以及元系統躍遷的概念與分類;第二部分通過介紹普爾和坎貝爾的廣義進化論思想來闡明圖琴關于進化的基本觀點,而重點在於解釋他用元系統躍遷描述的生命進化的五個階:簡單反射階、復雜反射階、高級動物階、人的階以及社會的整合階;第三部分通過把復雜性看作是系統的一種不可還原的性質,從而把復雜性與系統層次突現聯系起來。
  16. Power balance is necessary to icf, including the energy balance and pulse shape uniformity at the target. 90 percent of the output energy of " sg - ii " comes from its double - pass coaxial array main amplifiers, and pulse shape distortion caused by gain saturation also occurs mostly in there. therefore precise control of gain performance of the main amplifiers by avm ( angular variable mirror ) is the key to the precise power balance of " shenguang - ii "

    「神光? 」裝置90的激光能量由同軸雙程主放大器提供,同時增益飽和效應產生脈沖形畸變也主要發生在主放大器階,因此應用組合式角變反鏡( avm , angularvariablemirror )獨立精密主放大器各路的增益性能是實現「神光? 」裝置精密化功率平衡的關鍵。
  17. And classic pid control method and numerical pid control method have been introduced in the paper. the paper adopt stabilization border method to set the pid parameters and simulates the control system which is based on matlab / simulink. simulation results indicate that pid control ’ s simulation results have a good effect in low - frequency stage, but it is not perfect in mid - frequency and high - frequency stage

    採用穩定邊界法實現對pid參數的整定,並基於matlab / simulink對系統進行了模擬,模擬結果表明:低頻pid正弦跟蹤曲線取得了良好的效果,而在中頻和高頻時的跟蹤效果不是很好, pid的階躍響應超調量較大, pid三角曲線的高頻性能也不理想。
  18. Although dm can also solve the modulation time error, but the output waveforms can ’ t reach the industrial standard ( total harmonic distortion thd ). considering this, a new control strategy called current optimal control ( coc ) is presented in paper. coc is that system samples the output value real time, comparing with expected value, considering all switching actions available then draw a concluding to decide which way would be fastest and best way to render system smooth

    針對這一缺點,本文提出了一種更好的策略,電流最優delta調,它是在電流滯環的基礎上,根據電路的輸出信號來分析,考慮所有可能的逆變器動作來決定選用哪一種開關轉換方式能最快最平穩地達到預期值,採用的是一種電流預測,從而使輸出形的紋最小。
  19. With the flourish of wlan market, people are concerned about the wlan security more than ever. data transmitted in wlan over high frequency radio is subject to eavesdropping, furthermore, physical media access control measures do n ' t adapt to wlan

    在無線局域網市場急速擴大的同時,人們對其安全問題愈發關注:無線局域網中的數據通過高頻無線電傳輸,極易遭到竊聽,而且在無線網環境中,難以應用有線網路的物理訪問
  20. In this paper, we systematically study some theories, methods and implementation techniques of reducing and controlling variation of a product with multivariate quality characteristics in its forming process by using positive analysis and simulation, which are based on variation theory and process conception. it is important for organizations to enhance product quality, minimize quality loss and strengthen market competitiveness

    本文從動理論出發,以過程為基礎,以實證和模擬為手,系統地研究了具有多元質量特性的產品在其實現過程中,減小和動的理論、方法和實現技術,這對于提高產品質量,降低質量損失,提高企業的市場競爭力具有十分重要的意義。
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