最大調制度 的英文怎麼說

中文拼音 [zuìdiàozhì]
最大調制度 英文
maximum modulation
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著,對自適應調系統中的通道估計問題難點,詳細推導了平衰落通道條件下和選擇性衰落通道條件下似然( ml )估計和后驗概率( map )估計演算法,針對平衰落通道,我們模擬了map估計和ml估計的方差與導頻符號長的關系,模擬結果表明,錯誤方差受多譜勒頻率的變化影響,並且對實際的自適應調系統,導頻符號長的取值超過20個符號長時, map通道估計明顯優于ml通道估計。
  2. In order to reduce the re - deposit volume of the dredged channel, the method must be based on decreasing the oncoming sediment, changing the mouth site, builting the sediment control dam and raising the reservoir level

    為了地減小疏浚挖槽的回淤量,必須依靠控上游來沙量、調整入水口門位置、加設防淤堤及提高庫水位等手段,而不能通過調整挖泥槽寬、位置及數量等措施來達到目的。
  3. The modulation of sound properties over a wide range of time scales is one of the most obvious characters of oscine passerine ' s vocal, whose song contains many different kinds of syllables that consist of many more multiple song phrases. in oscine passerine, ipsilateral projections of ra to nxiits innervates the ipsilateral syringeal muscles exactly, and thus they have strong ability of vocal control with variable tones, high frequency and higher lever of quality. as a result, the songs sound well

    鳴禽鳴囀的特點之一便是其單次鳴唱時間長,鳴唱所包含的音節數量和音節種類繁多,因而由這些音節所組成的句型結構也是復雜多樣富於變化,且由於nxiits嚴格的側別控(每一側核團只支配同側鳴肌) ,使其具有更強的控聲能力,其鳴聲音調變化幅,頻率高,品質因數,音色好,因而其鳴聲也悅耳動聽。
  4. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速計及其測試技術的發展歷史和現狀,液浮擺式加速計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控理論的角進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析、采樣約束以及測試精等基本問題,並按照系統分析的結果設計了包括前置放、帶通濾波、交流放、相敏解調、脈寬調、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  5. Corticofugal modulation of frequency tuning of inferior collicular neurons in big brown bat, eptesicus fuse us chinese science bulletin, 2000 in order to explore the possible mechanism of corticofugal modulation of excitatory frequency tuning curves ( eftcs ) of midbrain neurons, we examine the change of sharpness, frequency - intensity response area, minimum threshold of both eftcs and inhibitory frequency tuning curves ( iftcs ) of inferior coliicular neurons during corticofugal modulation using two - tone inhibition paradigm and micro - electrical stimulation technique

    第二章棕幅聽皮層對中腦下丘聽神經元頻率調諧曲線的調科學通報, 2000用雙聲刺激的方法和電刺激技術,進一步研究了在激活聽皮層前後下丘聽神經元興奮性和抑性頻率調諧曲線的銳、頻率強反應區域、低閾值的協同變化
  6. Firstly, by an in - depth study on chinese commercial banking and their foreign counterparts, this paper points out the great differences of intermediate business innovation between chinese and western commercial banks regarding innovation products variety, scale, technology, etc. secondly, comparing the institution regarding intermediate business innovation and microeconomic - body behavior of chinese commercial banking with foreign ones within an analysis framework from the perspective of institutional economics and game theories, this paper shows that a number of reasons account for the emerging of intermediate business innovation, including external economic environments as well as internal factors within the financial system and technology, among which the institutional factors within the financial system being the most important. at the same time, by comparison with western developed countries " counterparts, the innovation of chinese banking institution lags far behind the development of banking business in main aspects of property rights, managerial system, compensation arrangement and organization system. thus, the backward innovation of banking institutions and twisting microeconomic - body behavior seriously strict intermediate business innovation

    本文首先通過對中外商業銀行進行較為深入的調查研究指出,與西方發達國家商業銀行相比,我國商業銀行中間業務創新無論是在業務創新品種、規模上還是在技術手段上,都存在著巨差距;其次,運用學分析和博弈分析框架將中外商業銀行中間業務創新及微觀主體行為進行比較得出:商業銀行中間業務創新產生的原因有多種,如外部經濟環境因素、金融體系內部因素和技術因素等,其中根本的是金融體系內部的性因素;與西方發達國家商業銀行相比,我國銀行創新遠遠落後于銀行業務的發展,主要表現在產權、經營、分配製和組織等方面;銀行創新的滯后及其微觀主體行為的扭曲嚴重製約著中間業務創新,尤其是我國銀行產權關系不明晰,在國有獨資產權框架下政府? ?行長及上級行長? ?下級行長兩種委託代理行為帶來了嚴重的問題,導致了我國銀行中間業務創新動力不足。
  7. Processing area : 15001250mm laser power80w ; mainly used for acrylics cutting, processing of wood graphs, leather cutting and engraving ; fast and powerful ; maximum moving speed : 1500mm s ; dsp industrial - strength usb high - speed control ; edited by cad or coreldraw ; laser top can be adapted in the range of 40mm ; resolving power : 0. 015mm

    快。能力強移動速1500mm s , dsp工業級usb脫機高速控cad coreldraw編輯直接出分辯率0 . 015mm ,激光頭上下40mm可調
  8. At last but not the least, integrating with china ' s reality the paper analyzes whether there are financial risks or not in economic structure, foreign debt management, foreign exchange system selection and foreign exchange level. in face of the changes from domestic and outside circumstances, we should carry out the reform steadily, strengthen financial regulation, prevent and defuse financial risks so as to provide better banking services for economic development and social stability

    後,結合中國國情,本文詳細分析我國在經濟結構、外債管理、匯率選擇和匯率水平安排方面是否存在金融風險隱患,以及針對我國國內國外經濟發展環境的改變,我國應如何進行改革調整,以便的抵禦風險、防範危機,使金融能夠更好的發揮其促進經濟發展、穩定社會秩序的作用。
  9. In this dissertation, correlative research of longer - term voltage stability have been carried out, including some slow dynamic elements, such as on - load tap changer ( oltc ), maximum excitation limiters ( mel ), etc. the effects of these slow dynamic elements on the course of voltage instability or collapse are revealed from the point of view of time - domain simulation

    本文基於pss e程序中的擴展動態模擬模塊,對考慮有載調壓變壓器( oltc ) 、勵磁限器等慢動態元件的中長期電壓穩定進行了相關的研究,從時域模擬的角揭示這些慢動態元件在電壓崩潰過程中所起的作用。
  10. Baseline studies, needs analysis, diagnostic laboratories, quality control standards, testing protocols, herd health programs, immunization strategies and food safety issues will be addressed and dealt with to the extent feasible within the limited budget and resources

    在有限的經費和資源下,基線調查需求分析診斷實驗室質量控標準測試規定動物健康計劃免疫程序和食品安全等問題將得到地重視可行性。
  11. To his credit, mr bush has repeated the urgent need for reforms to pensions and the government ' s health - care system for the old, the two biggest drains on the public purse

    對於他的政績,布希先生曾經多次強調改革老年人的退休金和政府的保健系統的迫切需要,兩個的公共支出項目。
  12. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考量的書籍文獻推導出一套實用的可將型汽輪發電機勵磁與汽門綜合起來進行控的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型優控理論設計出型汽輪發電機的非線性綜合控器及機端電壓優控器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控器+汽門比例控及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  13. The regulation of economic law to enterprise should be pinpointed at enterprise structures to heighten its social responsibility self - discipline and legal responsibilities and deal with the relationship between the state and the enterprise scientifically to stimulate the sustainable, stable and harmonious development of the society, realize the win - win situation of the benefit of both the enterprise and the society and reduce the side - effects of the enterprise to the society to the minimum

    經濟法對企業社會責任的規要以公司企業治理結構為調適點,進而能夠增強企業社會責任的自律性和法律責任性、科學處理國家經濟調節過程中國家與企業主體之間的相互關系,以達到促進社會經濟的持續、穩定、協調發展,實現企業利益與社會公共利益雙贏,降低企業行為對社會的害作用。
  14. It has the advanced radial technology and the movement path likes 11 pieces plum blossoms shape, this machine uses a head screw pole to go up and down to control the power head, it has the enlarged bench, and air current double - direction adjusting valve to controlled the riveting speed effectively. the electricity system added the counter to count the work piece which was be processed, he time relay control the riveting times

    Jm3tq - d是汽動類小型徑向鉚接機,與jm3tq - b和jm3tq - c相比,提高工作行程到40mm ,除應用有國際先進的11瓣梅花徑向鉚接技術外,該機採用頭部絲桿升降粗調,加了工作臺面,氣路加裝雙向調節閥,有效控鉚接速
  15. 2, to the agricultural total output value, the influence level of crop planting, forestry, animal husbandry and fishery showed that : animal husbandry ( 0. 7047 ) > fishery ( 0. 4679 ) > crop planting ( 0. 3043 ) > forestry ( 0. 1485 ) ; in the future, the agricultural economy can gain development steadily, and crop planting, forestry, animal husbandry will be promote development of it, and the most effect is the animal husbandry, and the fishery will be restrain development of it ; the crop planting internal structure do n ' t correspond, and the economical crop, the feed and green manure and vegetable will be promote development of crop planting, and the most effect is the feed and green manure output value, secondly is the economical crop output value, and the effect of grain crops is the least, and it restrain development basically, with the exception of, the tea and fruit output value will be restrain development of it ; in the grain crops internal structure, the wheat and rice will be restrain development of it, and the corn will be promote development of it ; the animal husbandry internal structure do n ' t correspond, and the big animal and rabbit will be promote development of it, and the pig and sheep restrain development

    2 、種植業、林業、牧業、漁業對農業總產值的影響程為:牧業( 0 . 7047 )漁業( 0 . 4679 )種植業( 0 . 3043 )林業( 0 . 1485 ) ;農業經濟總體水平可以獲得穩步發展,種植業、林業、牧業將起促進作用,作用為牧業,漁業將起抑作用;種植業內部結構有不協調的發展態勢,其中經濟作物產值、飼料綠肥產值、蔬菜產值對其起促進作用,作用為飼料綠肥產值,其次為經濟作物產值,糧食產值雖起促進作用,但作用很小,基本上已處于抑,茶果產值對其發展起抑作用;在糧食作物內部則表現出小麥、水稻對其發展起抑作用,玉米起促進作用;牧業內部也表現出不協調的發展趨勢,畜(牛)和兔對其發展起促進作用,豬和羊對其發展起抑作用。
  16. Be opposite this of 1992 cloth " labor law " revise share 44, new after revising " labor law " have the following characteristic : suited to build the real case that realizes formal diversity with the adjustment that develops structure of system of socialist market economy, economy, state ownership already, highlight again was aimed at increasingly complex and changeful working relationship ; the maintenance that highlighted labour union function, made clear workers congress system and collective contract system shift of power of these two main thought, aggrandizement labour union organizes construction, organize broad worker in labour union to provided legal basis and safeguard for utmost ground ; increased the protective strength to labour union cadre, aggrandizement specific safeguard, make labour union cadre ok more the function that fulfils his duty to fulfill labour union responsibly ; protected labour union to produce bridge and bond effect better, fulfilled labour union to share politics, economy, culture and the approach that the society lives, made clear the essential mechanism that labor of labour union mediate concerns ; those who made clear union funds capture range, aggrandizement of union funds capture strength, ensured labour union to organize the necessary material base that develops function of labour union of activity, implementation lawfully ; set legal liability, made clear the punishment to violating principal part, enhanced law to deter force

    這次對1992布的《工會法》的修改共有四十四條,新修改後的《工會法》有以下特點:既適應了建立和發展社會主義市場經濟體、經濟結構的調整、公有實現形式多元化的實際情況,又突出針對了日益復雜多變的勞動關系;突出了工會的維護職能,明確了職工代表和集體合同這兩個主要維權手段,強化了工會組織建設,為地把廣職工組織到工會中來提供了法律依據和保障;加了對工會幹部的保護力,強化了具體保護措施,使工會幹部可以更加盡職盡責地履行工會的職能;更好地保護了工會發揮橋梁和紐帶作用,落實了工會參與政治、經濟、文化和社會生活的途徑,明確了工會調處勞動關系的根本機;明確了工會經費的收繳范圍,強化了工會經費的收繳力,保障了工會組織依法開展活動、實現工會職能的必要物質基礎;規定了法律責任,明確了對違法主體的處罰,增強了法律威懾力。
  17. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  18. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中,提出了多步廣義梯法和多層曲線擬合的建模方法,並用微分方程穩定性理論證明了多步廣法收斂性,用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的隸屬原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和系統理論中的具有全局反饋的直接協調定注水系統的優化運行方案。
  19. Additionally, a call trace can identify the maximum call depth of user functions, which you can then use to efficiently bind the memory that the call stack uses an important consideration in embedded systems

    另外,調用跟蹤還可以判斷用戶函數的調用深,這可以用來對調用棧使用的內存進行有效限(在嵌入式系統中,這是非常重要的一個考慮因素) 。
  20. As a core of intelligent building 3s ( building automation system, communication automation system and office automation system, the three basic elements of intelligent building ), the performance of bas is the foundation stone of high effective running of an entire mansion weak electricity system. the control network technique adopted in bas directly affects that whether the different equipments inside mansion can work harmoniously with each other and practice thrift the energy to the utmost, and effects that whether mansion proprietors can run the building by fewer administers and reducing the operation cost as much as possible

    作為智能廈基本內容的3s (即樓宇設備自動化系統bas 、通信自動化系統cas以及辦公自動化系統oas )核心組成bas系統,其性能是整個廈弱電系統高效運作的基石,而它所採用的控網路技術直接關繫到廈內各種設備能否相互協調有序的工作,能否地節約能耗,廈業主能否可能地減少相關管理人員、以及廈幅地降低廈的運營成本。
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