積分電路分裝 的英文怎麼說
中文拼音 [jīfēndiànlùfēnzhuāng]
積分電路分裝
英文
integral circuit packages- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 裝 : Ⅰ名詞1 (服裝) dress; outfit; attire; clothing 2 (演員的化裝品) stage makeup and costume Ⅱ動詞...
- 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
-
Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。The analytical results show : the turn - to - turn protection with integrated circuit for geheyan hydropower plant can not wholly avoid misoperation in the system ' s oscillation process in accordance with its principle ; for the turn - to - turn protection with microcomputer of the gaobazhou hydropower plant, there also exists some problem in accordance with dynamic model test and theoretical analysis
通過分析指出,對于隔河巖水電廠的積體電路型匝間保護,在系統振蕩過程中該保護裝置在原理實現上就不能避免誤動發生;對于高壩洲水電廠的微機型匝間保護,通過動模試驗和理論分析,同樣發現其存在一定問題,不能完全滿足現場要求。A new method for calculating the strain energy release rate of delamination crack propagation at an interface between dissimlar materials was suggested by using the j - integral with a small flat rectangular contour near the crack tip
提出了一種通過特定的扁平小矩形路徑j積分,計算電子封裝中異質界面分層裂縫擴展能量釋放率的新方法。It also gives the motive of the ka - band vco and mixer, associated with the subject ' s requirement and the realistic conditions, according to which a proposal is confirmed that the gunn diode and the varactor are mounted in the same cavity to fulfill the vco and an antiparallel diode pair is used to fulfill the harmonic mixer. in chapter 2, based on the basic theory of negative resistance oscillating, we analyses the gunn oscillator and it ’ s tuning character. chapter 3 introduces the theory of millimeter - wave harmonic mixer
以此為根據結合課題需要和實驗室的實際條件,確定vco採用耿氏管腔體振蕩器形式,變容管與耿氏管安裝在同一個腔內以進一步減小體積,採用反向並聯二極體實現諧波混頻;第二章介紹負阻振蕩器理論及其調諧原理;第三章介紹毫米波諧波混頻器基本原理;第四章給出了振蕩器及諧波混頻器的設計過程,整個組件聯調的結果;最後是結束語,分析了電路中存在的問題,指出了改進方向。Experimentally, the plasma produced by cable plasma gun ( c - gun ) and dense plasma focus ( dpf ) was measured by the laser differential interferometer system. the clear interference patterns were acquired at different time. the contour maps of line integral density and curves of radial local density at different height above nozzle were presented
實驗上,對等離子體斷路開關中的電纜等離子體槍( c - gun )和等離子體焦點裝置( dpf )產生的等離子體進行了測量,獲得了對應不同時刻的清晰的干涉圖像,給出了線積分密度等值線圖和距噴口不同高度處的徑向密度分佈。Test investigation on sgtr of single tube break and three - tube break is carried out on hpitf of ciae to deeply understand the thermal - hydraulic behavior during pressurized - water - reactor ( pwr ) sgtr and to provide an integral data base for code assessment and development. the facility, a full height and 1 / 1000 - scale ( by volume ) of qinshan nuclear power plant, incorporates two identical loops with active pumps and steam generators ( sg ). the initial steady state of the test basically simulated that of the reference plant operation
為了深入了解核電廠蒸汽發生器傳熱管破裂事故發生后的熱工水力現象,以及對壓水堆( pwr )核電廠系統分析程序進行分析和評價,在高壓綜合試驗裝置上開展了蒸汽發生器傳熱管破裂試驗研究高壓綜合試驗裝置以秦山核電廠主迴路系統為模擬對象,該裝置為雙環迴路系統,容積比為1 : 1000 ,高度比為1 : 1 。But affected buy plan economy way, hunan electric power line equipment & materials factory haven ’ t research on iron tower product marketing : research on electric power build environment and policy ; forecast of iron tower product market capacity and market prospect in coming 5 - 10 years or far. thereby is lack of integration think about iron tower product marketing strategy. in this thesis, the author coalition strategy, management, marketing and finance knowledge, on the base of economy, policy, technology macro … environment and produce, technology, manpower, finance ability, corporation culture, marketing manage way micro environment assay, exert swot way, discovery the strengths 、 weaknesses 、 opportunities and threats on hunan electric power line equipment & materials factory iron tower product
在本文中,作者結合所學習的戰略管理、營銷和財務知識,在湖南電力線路器材廠鐵塔產品市場競爭的經濟、政策、技術和行業等外部和生產規模、技術能力、人力資源、財務能力、企業文化、營銷管理模式等內部環境進行粗略分析基礎上,運用swot方法歸納了湖南電力線路器材廠鐵塔產品營銷的政策、歷史悠久、品牌知名度和美譽度高、技術積累、文化等方面的優勢和體制約束、生產規模和生產能力偏小、資金周轉困難、鐵塔加工成本過高、營銷管理模式等方面的劣勢,以及經濟發展和技術革新帶來的機會和體制改革和新的加工工藝帶來的威脅,根據企業的營銷戰略目標,進而提出了相關的鐵塔產品組合、產品包裝和服務策略、價格策略、渠道策略和顧客關系、供應商關系和同行關系等關系營銷策略和具體實施,並制定其營銷實施方案。Because the calculation of j - integral is much simpler than other method, and the multilayers and interfaces are ubiquitous in microelectronic packaging structures, it is expected that this method will be widely used in the calculation of the strain energy release rate in high density electrical packaging, especially
並通過實例證明,此新方法對于界面分層問題是可行的。由於j積分計算十分簡便,因此扁平小矩形路徑j積分方法有望在電子封裝分層能量釋放率計算中得到廣泛的應用。4. designed and developed the soft hardware of the control system of moving window algorithm on the basis of vehicle acceleration, and formed an integrated system with the equipment ’ s mechanical structure
4 .設計開發了基於車輛制動加速度的移動窗積分演算法的控制系統硬體電路及軟體程序,使其與該裝置的機械結構形成一個完整的系統。Zb transformer substation named european style cubical substation, which as a new type of electricity supplying equipment, with more advantages than traditional substation, because of small dimension, compact structure, and decreases the construction cost, at the same time, its installation is very easy, and the supply is very fast, and no need watching people, especially it is into the load center, which is very important for improving the supplying quality, decreasing the loss, improving supplying reliability and reforming electricity network
Zb型箱式變電站谷稱歐式箱變,作為一種新型供配電裝置,它比傳統土建變電站具有許多優越性。由於它體積小,佔地面積小,結構緊湊,便於搬遷,因而大大縮短了基建的周期和佔地面積,也減少了基建費用。同時,箱式變電站現場安裝簡單,供電迅速,設備維修簡單,無須專人值守,特別是它可以深入負荷中心,對提高供電質量,減少電能損失,增強供電的可靠性以及對配電網路改造都是十分重要的。分享友人