選限器 的英文怎麼說

中文拼音 [xuǎnxiàn]
選限器 英文
selector
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. Surge arresters - selection and application recommendations

    電涌.推薦的用方法
  2. In addition, many other problems also exist in hardware neural network, including error problem, learning mode, parallel architecture, and also neural network inner linking problem, hidden layer and the realization of the multiplicator and etc. for instance, error problem : hardware neural network employs the limited precision, and will inevitably bring limited precision error

    另外,硬體實現神經網路還存在誤差問題,學習方式,并行結構等方面的問題,還有神經網路內部的連接問題,隱層及乘法的實現等等。如誤差問題,硬體實現神經網路使用的是有精度,不可避免的會產生有精度誤差,取合適的精度,才能既適合空間的要求,又避免對網路的實現產生一定的影響。
  3. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )用表面貼和bga封裝的件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大度避免了錯誤的發生。
  4. Combining with knowledge representation and automatic reasoning principle of ai and generic paradigm, the system has these main functions : ? it is able to show different solutions of typical example ; ( 2 ) it can automatically generate problems similar to the example for students to solve by providing them with clues ; ( 3 ) these problems can be studied by demonstrating the complete solution process and answers with the help of automated reasoning, or by providing real - time prompts to students concurrent with the students " solution processes with the help of automated reasoning ; ? it provides exercises and is able to call a program produced by the group ( the translator ), which transfers apla programs to executable programs so as to verify its correctness ; ( 5 ) it let teacher to add examples in the database ; etc. hi the course of systematic research, we deeply investigated the relevant knowledge of the system and made some innovation : about teaching content, we select par method as the main content

    本系統用薛錦雲教授的par方法為主要教學內容,應用人工智慧的知識表示和自動推理原理及泛型思想,使得系統具有以下核心功能:展示幾種典型例題的解;以泛型思想為指導,實現了無題庫,可以自動生成與典型例題類似的問題給學生求解並給予提示;對于這些題目,計算機可以自動推理出由問題到程序的全過程供學生學習;也可通過自動推理根據用戶的實際做題情況實時給出提示,互動式地幫助學生學習演算法程序設計;學生可以從問題庫中獲得練習,並調用轉換,將自己的apla程序轉化為可執行語言程序,運行以檢驗其正確性;對教師而言,可以對已有的實例庫、問題庫進行添加操作等。在系統的研製過程中,我們深入研究了系統的各方面相關知識,並進行了多方面的創新:在教學內容方面,首次用par方法為主要內容。
  5. Apply filters to limit the event data collected

    使用篩制收集的事件數據。
  6. Our treatment shows in the raman effect case, mnls solitons, the same as nls solitons, keeps its energy, initial center and initial phase unchanged. however, the raman effect, not the same as nls solitons. reduces its amplitude, widens its width and under the same conditions, the self - frequency shift of mnls soltions is closer to the result of numerical simulation. in the raman effect together with frequency filters case, mnls solitons, the same as nls solitons, keeps initial center and initial phase unchanged and bandwidth - limited frequency filters can make the mean frequency of mnls soltion stand a steady value at the red side of the initial mean frequency, i. e. suppress the self - frequency shift of mnls soltions. and that, the other physical parameters of mnls soltion last stand a steady value. however under the same conditions, the steady value of the mean frequency of mnls soltions is closer to the initial mean frequency and the result of numerical simulation

    有所不同的是, raman效應雖然不改變孤子能量,但會引起孤子峰值的下降和寬度變寬,且在同一條件下, mnls孤子微擾理論得到的自頻移比nls孤子微擾理論得到的更接近直接數值計算結果。有帶寬的頻率濾波也不引起mnls孤子初始中心、初始位相的改變,取適當的頻率濾波參數值能使孤子的平均頻率穩定在初始平均頻率的紅側一穩定值,抑制了自頻移,而且孤子的各物理量最後都穩定在一穩定值,這些與nls孤子微擾理論都是類似的。有所不同的是,寬度為飛秒量級下, mnls孤子平均頻率的穩定值更接近初始平均頻率,更接近數值計算結果。
  7. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速研製的關鍵問題,隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械因無法解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒子徑向所受束自生場力方程的右邊加上非線性控制函數g :並取一些非線性函數如等進行了控制的模擬研究,將束暈強度控制在0 . 1078左右,取得了初步的控制效果。
  8. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,擇輕型鏡坯材料;用有元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。
  9. If flashget still doesn t download after you have successfully added jobs to the job list and pressed start, then you have to re - ask your network administrator for a proxy server address and its port : - q. trouble connecing using an isa proxy server a. the standard install applies protocol rules to members of a security group called " backoffice internet users "

    A .首先需要在「項代理服務」中添加一系列代理服務並且中多代理功能時使用其中的幾個或者全部的代理服務,在下載任務的站點屬性中必須定為1 ,中使用多代理項。
  10. Fairly good chaos map, which is of high performance and be implement easily is selected. with the introducing of appropriate perturbation aimed to change the initial conditions, we may enlarge the chaotic sequence period under finite precision in practical applications. mixed chaotic model is constructed by combining logistic sequences and m - sequences in form of exclusive - or. and we, by adding two mixed chaotic model, constructed double chaotic system to generate the key generator, which provides with excerllent cryptographic properties

    本文利用混沌技術,通過對混沌映射的取,取出了易於實現,且性能優良的混沌映射;通過初始參數的加擾,使有精度下混沌的短周期行為得以改善;通過利用混沌序列與m序列異或構成了混合混沌序列,在混合混沌序列的基礎上構造出了雙混沌系統,從而提高系統的抗破譯能力,設計出了混沌序列密鑰生成
  11. Abstract : the operating principle and the use of residual current protective device is introduced, and its selection, installation and limi tation are commented

    文摘:介紹了剩餘電流動作保護的工作原理及其用途,敘述了剩餘電流動作保護型、安裝及其局性。
  12. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術,包括傳輸、交換、組網等,重點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細分析,擇恰當的件參數進行了數值模擬,並提出了抑制措施(如雙重濾波、優化判決門擇恰當的復用波長數) ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題(光網路類型、業務類型、流量類型、光網路生存性) 、 r認人演算法的分類和比較,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光路的概念,對網路資源進行狀態分類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光路可為部分新到的連接請求快速建立連接,從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法,提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數,利用基於波長分層圖模型的并行r場人演算法模擬,利用新的鏈路權重函數使得演算法具有更優的性能,使網路具有更低的連接阻塞率。
  13. The exportation resistance of a device work device with what link after loading the resistance s the certain connections for should satisfying, in order to prevent mount to load the appearance produce the obvious influence. with each other connect to say to electronics equipments, for example after signal connect the enlarger, ex - class to connect class, only behind first - degree importation resistance before larger than first - degree exportation resistance 5 - 10 times are above, can think the resistance to match good ; connect the box come saying, electronics tube the machine should choose to use with for the enlarger its output to carry the mark to call the resistance the box for, but transistor enlarger then have noing this restrict, can take officing why resistance of equal or approximate box

    一件材的輸出阻抗和所連接的負載阻抗之間所應滿足的某種關系,以免接上負載后對材本身的工作狀態產生明顯的影響。對電子設備互連來說,例如信號源連放大,前級連后級,只要后一級的輸入阻抗大於前一級的輸出阻抗5 - 10倍以上,就可認為阻抗匹配良好對于放大連接音箱來說,電子管機應用與其輸出端標稱阻抗相等或接近的音箱,而晶體管放大則無此制,可以接任何阻抗的音箱。
  14. Based on testing and analyzing the relative results of the gear reducers ' standard or the problems emerging in chinese coalmine and the same products in other nations, proposed effect of different thermal radiation on the thermal power of gear reducer, gave effective thermal radiation measures in different case when designing and selecting the big power reducer, to ensure the thermal power of gear reducer increasing

    摘要通過對我國現行減速行業標準及煤炭行業生產現狀與國外同類減速的對比分析,提出了不同散熱方式對減速熱功率的影響,給出了在設計和用大功率減速時,針對不同的工況所應採取的有效散熱方法,保證減速熱功率的有效提高,最大度地發揮和使用設計機械功率。
  15. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料,對該種激光進行了深入的研究,通過對yag棒直徑的合理取併合理地改進反射鏡面,從而既保證了光束質量又最大度的增加了吸收長度,有效的提高了泵浦效率;在不影響泵浦的前提下,通過有效縮短yag棒的長度減小輸出損耗;對yag棒的水冷系統進行優化結構設計,使激光體積減小到國外同類產品體積的一半,而輸出功率已達到國外同類產品的極值。
  16. After completing his apprenticeship as an industrial business management assistant mr. kertscher was able to gain extensive hands - on experience in the field of sales and order procurement of machines and plants for briquetting and processing of bulk materials at company zemag gmbh

    是一位經商人才。他在職業培訓后,就在策瑪格有公司zemag gmbh積累了不少銷售有關制煤磚和洗散裝物的機設備的經驗。
  17. " shun cheong electrical engineering co., ltd. " is qualified as specialist fire services contractor of public works ( hksar ) for executing the unlimited value project, since 1979. " shun cheong " has the capability to provide the design, installation, commissioning and maintenance services for a complete range of fire services systems

    《順昌電工程有公司》早於一九七九年已獲納為香港特別行政區政府之公共工程消防承建商,提供各類型消防系統之設計、安裝、測試及維修服務。
  18. Shanghai faith capital electronics company., ltd ( fci / fce ) is a professional electronics products agent and relative products provider which headquarter in hongkong. our company have the outstanding engineers and sales employees in hongkong as well as mainland china and has gradually become the preferred provider of many international well - known multinational companies and domestic excellent company, honored and acclaimed of the good fame in this industry. in order to adapt to the the demands of the swift development and multi - customer service of the company, we sincerely employ the persons with abilities to join us

    上海砹弗矽電子有公司( fci / fce )是一家總部位於香港的專業電子元件代理商以及相關產品的配套商,集聚了香港與內地的工程技術與銷售精英,已逐漸成為眾多國際知名跨國公司以及國內優秀企業的首合作夥伴,在業內享有良好聲譽.為適應公司的迅速發展已及為客戶多元化的服務的需要,公司誠征本地的優秀人才加盟
  19. The limitation of mini - volume and mini - power application condition is adequately considered, and design of whole refrigeration system is accomplished farther, including choose and structure design of compressor, choose and calculation of heat exchanger, calculation of capillary, etc. structure design of the rotary compressor is the most primary part of the design of whole refrigeration system

    根據計算結果,並充分考慮到小體積、小功率的應用環境制,進一步完成了整個製冷系統的設計實現,包括壓縮機的型和設計、換熱擇和計算以及節流管的計算等等。其中,滾動轉子壓縮機的結構微型化設計是整個製冷系統設計的核心部分。
  20. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論,然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼,並採用恆虛警率匹配濾波捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬,分析了各種捕獲性能:在擇性能最優的混沌序列、適當的序列長度、虛警概率及門值的情況下,可以獲得較短的捕獲時間和較大的捕獲概率。
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