解調元件 的英文怎麼說

中文拼音 [jiědiàoyuánjiàn]
解調元件 英文
restitution element
  • : 解動詞(解送) send under guard
  • 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量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 解調 : demodulation; countermodulation; demodulating; decode; detect; [訊] restitution
  1. Fsmail adopts and implements the asynchronous event driven mechanism, with all those network i / o operations in the server working under the non - blocking style ; accomplishes object - oriented heap with the dynamic array, adapted to any type of data ; adopts the multi - queue scheduling mechanism based on a fsm, easily to fulfill the extentions of delivery funtions ; fulfills the non - blocking domain name resolvement mechanism and the caching of the resolved results ; implements the non - blocking user database management and the caching of the user data recently accessed ; uses the unified memory pool management, avoiding the memory leakage and improving the performance of the fsmail server ; lastly, implements the log management server based on the c / s mode, eliminating the inconsistency of the logging metadata and being adapted to any kind of application logging

    Fsmail採用並實現了異步事驅動機制,所有網路i o的實現使用了非阻塞方式;以動態數組實現了基於面向對象的堆隊列,屏蔽了堆數據的非一致性;使用了基於有限狀態機的多隊列郵調度機制,為后續版本的擴展性提供了良好的介面機制;服務器內部實現了非阻塞的域名析機制,並實現域名地址緩存;實現了非阻塞的用戶數據庫管理模塊,並實現用戶數據緩存;使用了統一的內存池管理機制,既防止了內存泄漏,又提高了服務器的性能;最後,還實現了基於c s模式的日誌管理服務器,屏蔽了日誌數據的非一致性。
  2. High performance and high precision copper and copper alloy strips, electrolytic copper foil, lead frame, copper clad and printed - circuit board, special enameled copper wire, fashioned copper bar, track contact wire, medium and high elastic copper strips for interconnecting devices, precision alloy copper pipes for ac and cooling appliance, over - long and corrosion - resistant copper alloy condenser pipe, seamless cooper water pipe in housing construction and other copper fine and deep processing products will be highly developed in jiangxi province

    江西將重點發展高性能高精度銅及銅合金板帶、電銅箔、引線框架、覆銅板及印刷電路板、特種漆包線、異型銅排、軌道接觸線、接插用中高彈性銅帶材、空調與製冷精密合金銅管、超長耐腐蝕銅合金冷凝管、建築用無縫銅水管等10項銅精深加工產品。
  3. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷,利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法,提出了在液壓系統中加一個定差減壓閥的新思路,較好地決了液壓伺服系統存在的上述問題。
  4. In attempt to directly compare the sound response characters of the same bf neurons or different bf neurons and their interactive relation, the double recording microelectrodes were penetrated into two different neurons in iso - frequnency laminas or hetero - frequency laminas. taking advantage of frequency tonotopical arrangement in 1c of bats, it was explored how the neurons integrated different parallel processes of the same sound information. in the case of which, we hoped to explore the relation between the sound response characters of the central auditory neurons and neural modulation in background noise for the further understanding of the mechanism in the central auditory neurons extracting sound signals

    本研究以大棕蝠( bigbrownbat , eptesicusfuscus )為模型,利用ic聲調組構排列成同頻層這一結構特點,突破單電極記錄和檢測神經的方法,同時推進兩單電極至一個同頻層或兩個同頻層的兩個不同神經,試圖從細胞水平直接比較兩個具有相同和不同最佳頻率的神經聲信號的加工處理特徵、以及它們之間的相互關系,以期窺探它們在對同一聲信號處理過程中的整合奧秘,並以此為基礎分析和探討背景噪聲條下中樞神經聲反應特徵與神經調制的關系,以期進一步了中樞聽神經聲信號提取的機制。
  5. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感結構參數進行了計算,並利用有限法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過調輸出與加速度成正比的電壓信號。
  6. Functional elements were the dna segments that controlled the process of gene expression and gene regulation, so it was quite significant for people to study these functional elements in biosequences

    生物序列中的功能是能夠控制基因的表達和調控過程的dna片斷,對它們的研究對於人們理生物序列的含義具有巨大的意義。
  7. In chapter 5, the principle of molten carbonate fuel cell power system is introduced. the development of the system, such as the improvement of cell components including electrodes and electrolyte, the fuel processing, the heat recovery, the power conditioning and grid interconnection, the control system and the combine generation

    第五章在簡要敘述了熔融碳酸鹽燃料電池發電系統原理后,從以下幾個方面對系統的開發進行了論證:單體(電極和電質)性能的提高,燃料的處理,余熱利用,電力調節和並網,燃料電池/燃氣輪機/汽輪機聯合發電以及系統控制與優化。
  8. Abstract : in this paper, the characteristics of production system have been analyzed and the production economic functions have been set up in mine. the matrix of two - dimension alternately action is analyzed for mining process and factor in open - pit mine. it is made algorithm for matrix of two - dimension alternately action. under the conditions of binding, mine system is optimum running by optimal program, optimal coordination and optimal control

    文摘:分析了礦山生產系統的特點,建立了礦山生產經濟函數,對露天礦生產工藝、生產因素進行了二交互作用矩陣分析,提出了求交互作用矩陣的演算法,通過最優計劃、最優協調、最優控制使礦山生產系統在一定約束條下最佳運轉。
  9. The microprocessor is used to realize digital control as flip plus of the scr. the ic chip sa866ae of mitel company is utilized as the low frequency signal generator of the system. furthermore in the zero - current detection circuit, use the photocoupler gaalas ired and photo ic to detect zero - current, furthest shorten the commutating " died region ", prevent the current from distorting

    設計中採用單片機控制可控硅的觸發脈沖,實現數字化控制,並利用mitel公司的三相pwm交流電機脈寬調制晶sa866ae ,成功研製了交-交頻器中的低頻信號發生器裝置,效果良好;此外利用用光電檢測進行系統零電流的檢測,盡可能地縮短換相死區,防止電流發生畸變,成功地決了原有低頻電源系統中存在的兩大難題。
  10. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發輻射現象( ase )進行了分析,並提出了相應的決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。
  11. Abstract : a new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    文摘:探討了一種新的設計指標最優分配方法- -協同分配法,用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵,據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分為主系統優化和子系統優化,主優化對子系統設計指標進行最優分配,子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標,進行子系統最優設計,或對底層(如飛機翼梁、翼肋和翼盒等)進行設計指標最優分配,並把最優信息反饋給主優化.主優化通過子優化最優信息構成的一致性約束協調分配量,提高系統整體性能,並重新給出分配方案.主系統與子系統反復協調,直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性,三層可靠度指標分配算例證明了本文方法的有效性.最後,以重量指標分配為例,簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求思路
  12. A new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    探討了一種新的設計指標最優分配方法- -協同分配法,用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵,據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分為主系統優化和子系統優化,主優化對子系統設計指標進行最優分配,子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標,進行子系統最優設計,或對底層(如飛機翼梁、翼肋和翼盒等)進行設計指標最優分配,並把最優信息反饋給主優化.主優化通過子優化最優信息構成的一致性約束協調分配量,提高系統整體性能,並重新給出分配方案.主系統與子系統反復協調,直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性,三層可靠度指標分配算例證明了本文方法的有效性.最後,以重量指標分配為例,簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求思路
  13. The focus is about the char device driver design used in the dvb receiving card and the drive development process in user space ; analyzing the dvb receiving system working principle and process under linux and providing a method to load the linux dvb receive card device drive into the linux kernel ; analyzing and implementing the firmware design of saa7146 chipset working with linux kernel and working characteristic in vrious working mode ; analyzing and implementing the frontend drive programing of the digital tv receive system ; realized the qam demodulation and the mpeg stream filter, so that the output stream can be used to playing on pc better. and this article designs an event management mechanism based on the mhp, which improve the linux dvb software system

    重點研究了數字電視接收卡的字設備驅動問題,闡述了用戶空間開發驅動程序的過程;分析了linux下數字電視接收系統的工作原理和驅動程序開發過程,給出了linuxdvbapi接收卡設備驅動程序加載到linux內核中的方法;研究實現了saa7146晶配合linux內核共同工作的固設計和不同工作模式下的工作特性;研究實現了dvb接收系統中前端驅動程序的編寫;設計實現了qam調和mpeg流復用,使輸出傳輸流較好地用於pc播放;同時,本文所設計的一種符合mhp規范的中間管理機制,優化了linuxdvb軟體系統。
  14. According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly

    本文根據水輪機調節領域存在的問題和發展趨勢,對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究,得到以下主要成果和結論:首次提出了採用步進電機驅動的步進式電液引導閥,從根本上決了水輪機調速器電液隨動系統中存在的電液轉換發卡、堵塞問題,使電液隨動系統的可靠性大大提高。
  15. Optical grade lithium niobate single crystal is one of the most versatile and well - established active optical materials and is used in electro - optic, acoustic - optic, and nonlinear optic applications such as optical wave guide devices, modulators, optical integrated circuits and holographic memory

    由於其獨特的光電、聲光及非線性光學等性能,已被廣泛地應用在光波導、光調變器、積體光學迴路以及高析度的全息存儲等重要
  16. In our study, we found that a - 1bgp expression is up - regulated in hepatoma cells treated with gh. it suggests that gh is capable of stimulating the expression of a - 1bgpin hepatoma cells. so a - 1 bgp may play a role in postnatal growth and intermediary metabolism which are major physiological actions of gh

    為了了gh是通過何種途徑調節a ibgp表達,我們分析了a ibgp的5 』端調控區,臺果發現了普遍存在的api , c ebp結合基序,而且還存在著一個( , fos結合基序,所以推測gh可能通過誘導c fos , c一表達增高,結合於a ibgp調控區的特異性dna反應,促進它的表達。
  17. The study of the structure and function of these promoters will help not only to comprehend the development of seeds and the mechanisms of gene expression and organic substance accumulation but also search for some promoter elements useful for plant genetic engineering

    對這類啟動子的結構和功能的了,有助於人們更加深入地理高等植物基因表達調控機制,提高人們對植物種子發育過程及有機物在種子中積累機制的認識,而且可以為植物基因工程中生物反應器的研究提供有應用價值的啟動子
  18. Effect of tiaogan jiedu formula on learning and memory in rats with chronic epilepsy and expression of camp responsive element binding protein in hippocampus

    調毒方對慢性癲癇大鼠學習記憶及海馬組織環磷酸腺苷反應結合蛋白表達的影響
  19. Harmonized system of quality assessment for electronic components ; blank detail specification : aluminium electrolytic capacitors with solid electrolyte

    電子質量評定協調體系.空白詳細規范.固態電
  20. In the field of traditional power line carrier ( plc ) communications, the modulation - demodulation cells of plc were implemented in means of analog method. the traditional plc systems can ’ t catch up with the market demands for higher communication quality

    在傳統的電力線載波通信領域,電力線載波機的調調都是用模擬器實現的,這種傳統的載波機已不能完全滿足現有市場對通信質量的要求。
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