晶體交換器 的英文怎麼說

中文拼音 [jīngtǐjiāohuànqì]
晶體交換器 英文
crystal transducer
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 體 : 體構詞成分。
  • 交 : Ⅰ動詞1 （把事物轉移給有關方面） hand over; give up; deliver 2 （到某一時辰或季節） reach （a cert...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  1. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景，本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上，研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置，進行了串聯閥電路的設計和模擬，完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程，並進行了裝置的實驗調試。
  2. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  3. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。
  4. 3. with time series simulation software, the cpu ’ s i / o ports simulate i2c bus and exchange data with clock chips, temperature humidity sensors, memory chips and other devices

    3 、採用軟體模擬時序使cpu的i / o口模擬i2c總線，實現了單片機與時鐘晶元、溫濕度傳感器、存儲晶元等器件的數據交換。
  5. With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used

    實驗方面，利用實驗室現有條件，在鈮酸鋰晶片上以苯甲酸為質子源，用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究，在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程，實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調制器，最後進行封裝。
  6. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  7. Ningbo ekey ruineng electric technology co., ltd. is ningbo ekey holding groups subsidiary company. the head offices main business is embedded software industry and hammer at development the software exploiture and design, network engineering, chip development, ipv6 digital switching equipment, mobile communications, internet phone, intelligent home electric equipment, automobile anti - theft devices, unlimited remote control and power adapter, etc high - tech industri

    寧波易科瑞能電子科技有限公司是寧波易科投資控股有限公司下屬子公司，集團公司以嵌入式軟體產業為主營業務，以軟體開發設計，網路工程，晶元研發， ipv6數字交換設備，移動通訊，網路電話，智能家電，汽車防盜器，無限遙控，電源適配器等高科技產業為重點發展方向，並從事房地產開發，酒店投資管理，國際國內貿易等業務，在線投資總規模超過11億人民幣
  8. The layer 3 switching technology, which combines the advantages of layer 2 switching and layer 3 routing is discussed. the general principles and implementation methods of ethernet layer 3 switch are described, and its advantages and applications are also introduced. in the later part of the thesis, detailed analysis is made for the realization principles of the switching structure and internal function modules of multiplayer

    該部分重點解釋了千兆以太網的體系結構和協議規范，對pcs 、 pma和pmd子層的實現技術和有關演算法的設計思想進行了深入的分析；並對設計中用到的幾種物理層晶元進行了介紹；此外該部分還分析了傳統第二層交換機和路由器的局限性，對集第二層交換和第三層路由優點於一身的第三層交換技術進行了討論，闡述了以太網第三層交換機的一般原理和實現，並介紹了其優點和應用。
  9. Due to the development of 1c technology, now a complex system can be integrated in a chip called system on chip ( soc ). the design of soc needs new design methodologys and modeling tools. systemc is an open c + + modeling platform promoted by the open systemc initiative, which consists of a well defined set of c + + classes and a simulation kernel, supporting design abstractions at the register - transfer, behavioral, and system levels. the advantages of systemc include the ability for hardware - software co - design, the ability to exchange ip easily and efficiently, and the ability to reuse test benches across different levels of modeling abstraction

    系統級晶元的設計需要新的設計方法和建模工具。 systemc是osci （ opensystemcinitiative ）組織制定和維護的一種開放源碼的c + +建模平臺，它由一個定義良好的c + +類庫及模擬內核組成，支持對系統進行寄存器傳輸級，行為級和系統級的描述。 systemc的優點包括對軟硬體聯合設計的支持，更高效和方便的進行ip交換，以及在不同的抽象模型間復用測試基準的能力。
  10. The most effective converter that fits for such kind of application is a well - known full - bridge three - phase vsi ( voltage source inverter ) converter with igbt ( insolated gate bipolar transistor ) modules, which can be used in wind power generation system or other general purpose utilizations such as asd ( adjustable speed drive ), active rectifiers, ac power supplies, and so forth

    最適合的變換器就是igbt （集成門極雙極性晶體管）三相全橋電壓源變換器，這種拓撲結構的變換器可以應用到風力發電系統或者其他通用的場合，比如asd （變速驅動）系統、有源整流、交流電源等等。
  11. The image data are stored and exchanged under an " interruption & dma " parallel mechanism, which can run simultaneously with dsp unit. two different voltage power resources are provided for the whole system, which are watched by one surveillance circuit. system anti - jamming and system optimization measures are added into system for future circuit debug

    視頻採集單元採用philipssaa7111及fpga晶元，以標準視頻信號（ pal或ntsc ）為輸入，通過fpga及i2c總線，對圖像數據進行剪裁及採集；採用兩幀存儲體輪換工作機制，省去fifo器件，降低成本；採用"交叉連續"地址存儲空間，便於dsp進行dma傳輸。
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