硬超導體 的英文怎麼說
中文拼音 [yìngchāodǎotǐ]
硬超導體
英文
hard superconductor-
In return, libya agreed to buy from france hardware worth more than euro 10 billion ( $ 14 billion ), including 21 airbus aircraft, military helicopters, 14 rafale fighters, armoured vehicles and missiles
利比亞為了表示回敬，他們同意會從法國購買價值超過100億歐元（ 149億美元）的硬體設施，包括了21輛空中客車、軍事直升機、 14架「陣風」戰斗機、裝甲車與導彈。Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials ， work - piece materials ， amplitude ， machining load ， slurry concentration ， tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg
文摘:通過以wedg放電加工手段製作微細超聲加工用工具，在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗，來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響，為微細超聲加工技術的實用化提供參考依據。The ibm zurich research laboratory has netted nobel prizes for the creation of the scanning tunneling microscope and high - temperature superconductivity
Ibm蘇黎士研究實驗室曾以掃描穿隧顯微鏡與高溫超導榮獲諾貝爾獎，也是網路軟硬體的開發重鎮。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。Having very high hardness and excellent wear resistance, the abrasive materials diamond and cubic boron nitride have many applications in the processing of hard brittle materials for instance sintered - carbide tooling, patterns, pottery, glass, stone and semiconductors as well as many others. these abrasives are long lasting at extremely high speeds and have a significant cost - saving impact on the processing of ordinary steel materials
金剛石和立方氮化硼cbn磨料因其高硬度和優良的耐磨性能，不僅在硬質合金工具模具陶瓷玻璃石材半導體等硬脆性材料加工中有廣泛應用，而且作為半永久性及超高速磨具在一般鋼材的加工中發揮著日益突出的作用。It has great strategic influence, and is just our target. at first, this paper reviews the current situation in the general - propose microprocessor designing field. with an analysis and comparison of the two mainstreams, the post - risc and vliw, a conclusion is drawn, vliw has more benefits than its disadvantages, will be the flow of the tide in the coming future
本文首先考察了通用微處理器設計的現狀，分析比較了post - risc超標量和vliw兩種結構，得出結論： vliw結構以靜態編譯代替動態指令調度提取ilp ，雖然導致了代碼兼容等問題，卻實現了更大程度的ilp ，且簡化了硬體設計的復雜度，利大於弊，是微處理器設計的大勢所趨。分享友人