無耗線 的英文怎麼說

中文拼音 [wúhàoxiàn]
無耗線 英文
lossless line
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 耗 : Ⅰ動1 （減損; 消耗） consume; cost 2 [方言] （拖延） waste time; dawdle Ⅱ名詞1 （壞的音信或消息） ...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  1. Presently, the world largest scale and most influential brand meeting : 2004 international vehicle maintenance equipment exhibition attracts exhibiters from more than 100 countries and regions in the world to participate the conference in german frankfort. zonda auto group, the leader in chinese maintenance trade, introduced the new product which behalf the international advanced technology, such as paint equipment, became the spot light on the exhibition. the new product zd - 900 of zonda is a new - type of energy - conserving product, adopt international advanced technical, the heat system which the core parts of the product meet the high level demand

    車輛行駛時，可利用富餘功率給電池充電，無需停車充電，也不必增加充電站該車每100公里油耗僅22 . 4升，比同等噸位的燃油汽車節油30 % ，加滿一箱油可行駛650公里尾氣排放達到了歐標準維修費用僅為燃油車的1 3該車在國家汽車質量檢測中心通過了54項強制性試驗，下線后已行駛1 . 7萬公里，表現出了良好的安全性能。
  2. Mr. leung and mr. yeung, applying the new technology in data processing, reduced the size of the system and its energy consumption, making the system easy to carry and install. they also made use of the general packet radio service data transmission technology to provide one - stop data transmission from remote areas without land lines back to the observatory headquarters 24 hours round the clock

    梁賢基先生及楊志宇先生應用新科技于數據處理，縮減了系的體積及耗電量，方便安及攜帶亦採用通用分組無線服務gprs資料傳輸技術，在沒有固網服務的遍遠地區運作，亦能"一站式" 24小時無間斷地將資料傳送回天文臺總部。
  3. This product usesthe fm radio set code decoding system, has the ultra strongantijamming ability and the extremely low power loss, the reactionrate is keen, the highest synchronous speed amounts to for 1 1, 000second, can satisfy photographic camera of each kind of type shuttersynchronized flash photography request

    該產品採用調頻無線電編碼解碼系統，有超強的抗干擾能力和極低的功耗，反應速度靈敏，最高同步速度達1 1000秒，能滿足各種類型快門之照相機的同步閃光拍攝要求。
  4. This specific view becomes the tip of our designing ; the energy consumption has great relation with the rf module, which is breakpoint of the ebra ( energy - based radius self - adjust wireless sensor network protocol ). based on the facts between the energy consuming and the rf transferring radius, the ebra protocol is designed and implemented under the visual c + + 6. 0 ide, which switches its running mode with the energy consuming of nodes, so that meet the goal of energy saving of the nodes in wsn

    本文正是從這一視角入手，根據結點能量消耗與無線傳輸發射半徑間的關系，設計並實現了一種基於能量的半徑自適應傳感器網路路由協議，使得節點能夠根據自身剩餘能量的狀況對節點的運行模式進行控制，同時對無線模塊的收發半徑進行動態調整，達到節能目的。
  5. It has the features of little cost of energy, no noise, no pollution, no lubrication, low maintain ratio, high carrying ability, lightweight, saving effective place, agility to dispose wire and easy to change transport direction

    該裝置能耗小、無噪音、無污染、無潤滑、少維修，且輸送能力大，輕便，不佔用有效空間，布線靈活，容易改變輸送方向。
  6. Universal type that guangzhou dongchen electric vehicle co., ltd develop the latest electric car mix with the motive to become soon the green environmental protection motor car, it broke the traditional consciousness, the way that whole car lines that tradition of limitless become soon, that car have the zero row to put, free from pollution, have no the noise, mentally retarded consume, start steady, long drive route, excellent climbing ability, the special advantage of low etc., function index sign of movement cost is already the advanced level, it broke the tool of traditional transportation means of transportation flowing freely of world, now a humanities culture for be in the leading, a nature consciousness for be in the leading

    廣州東辰電動車有限公司最新款的普及型混合動力變速綠色環保電動車，它打破了傳統的無極變速方式，該車具有零排放、無污染、無噪音、低能耗、起動穩、行程長、爬坡力強、運行成本低等獨特優點，性能指標已達世界先進水平，它打破了傳統交通代步工具的局限意識，整車線條流暢，體現一種領先的人文文化，一種領先的自然意識。
  7. Second, the current routing protocols of wireless sensor network are analyzed, aiming at the disadvantage that the protocols have high power dissipation and short lifetime. based on the leach routing protocol, we improve the leach routing protocol, and then name the advanced routing protocol leach new, in which we improve cluster head selection algorithm and optimal cluster number determination of leach respectively

    並重點對現有的無線傳感器網路路由協議進行了分析研究，針對這些協議存在的整體能耗高、網路生命周期短等缺點，在leach路由協議基礎上，對leach路由協議進行了改進，我們把改進后的路由協議稱為leachnew 。
  8. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  9. These other boards can ben cpu boards or peripheral boards providing various functions. the vmebus standard originated with the motorola versabus in 1979 which was designed using the then new mc68000 microprocessor

    系統總線吞吐率的優化：其他的晶元組對pci到內存帶寬只能到70mbs ， powerplusii則能達到80mbs而無須消耗額外的cpu資源。
  10. Vmebus boards have data bus sizes of 16, 32, or 64 bits and are designed to be plugged into a backplane that has up to 21 slots for other boards. these other boards can ben cpu boards or peripheral boards providing various functions. the vmebus standard originated with the motorola versabus in 1979 which was designed using the then new mc68000 microprocessor

    性能的提高主要是由於三個方面的改進： 1 .處理器及高速緩存性能的優化2 .降低內存瓶頸：通過對powerplus體系結構的改進，使內存性能提高到582mb s memory read bandwidth和640mb s burst write bandwidth 3 .系統總線吞吐率的優化：其他的晶元組對pci到內存帶寬只能到70mb s ， powerplus ii則能達到80mb s而無須消耗額外的cpu資源。
  11. Since the wireless transmission system makes the best use of msp430 family chip, which is effective, high speed and precision, it is specially designed for the turbo _ generator monitoring which is handy or powered by batteries, or the room is very limited

    本文利用msp430超低功耗和高集成度的優點，專門針對電池供電和使用空間受限的汽輪機組監視保護儀表，設計、實現了傳感信號的無線數字傳輸系統。
  12. Basing on other researchers ’ work, this paper has put forward a novel type of icc ( induced current cancellation ) shielding layer for rfic / mmic performance improvement, to reduce high frequency loss, increase q value, and expand its application frequency range. and present how to realize rfic / mmic components such as i / o pad, inductors, baluns and so on by applying icc shielding layer structures. furthermore co - design methods of ic component structure and foundry process structure designs has been presented in this thesis

    在無線通信技術對cmos射頻/微波集成電路需求的大背景下，本論文提出了用於高頻集成電路（ rfic / mmic ）器件的各類新型icc （ inducedcurrentcancellation ，感應電流相消）屏蔽工藝結構，由此設計製造的ic部件解決了傳統半導體工藝無法實現射頻/微波集成電路的難題，以達到降低高頻集成電路器件的高頻損耗，提高器件q值以及擴寬器件應用頻帶的目的。
  13. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因： （ 1 ）去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等； （ 2 ）低轉動慣量的轉子提高了電機機械響應的質量，從而縮短了電機加速和減速的時間； （ 3 ）高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高； （ 4 ）由於沒有機械換向部分定子的結構簡單了。
  14. Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix

    無線感應通信是基於電磁感應原理，利用電磁耦合完成車輛與地面雙向數據傳輸的一種通信方式，具有傳輸損耗小、覆蓋線路長、架設方便、易於維護等優點。
  15. Bluetooth technology, a new wireless technology in ism band, can freely transmit. data and voice in short distance. the application to intelligent home is one of the most important applications of bluetooth, and it drives bluetooth ' s development

    藍牙技術，作為一種在2 . 4ghz無線基礎上新發展起來的電纜置換技術，由於其全球統一的標準性、數據和語音傳輸方面的優越性、自動組網能力、低功耗、低成本和高安全性等特點，已經得到人們的廣泛認同。
  16. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性，則為合理的微蜂窩無線網路規劃、設計提供了必要條件，同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  17. Accordingly ray tracing model for microcells propagation prediction has become an important subject. this paper discussed the characteristic of propagation in symmetrical atmosphere on the earth, and introduced several kinds of traditional path loss propagation model in land mobile communication system, also pointed out the localization of these models based on experiential methods

    本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  18. Method of insertion loss measurementsfor passive radio interference filter units

    無源無線電干擾濾波器插入損耗測量方法
  19. The teacher must assure that the relative distance to mike is less than 0. 5 meter, so the movable scope of teacher is strictly restricted. the disadvantage of wireless mike is : the mike breaks easily and battery costs largely. the cost is high and it is difficul to manage the equipment

    授課教師必須保證與話筒間的相對距離不超過0 . 5m ，教師授課時的活動范圍受到了嚴格的約束。使用無線話筒的弱點是：話筒易損壞，電池耗電量大，使用成本高，設備管理麻煩，大量使用時存在串頻干擾，同時影響教師的外觀形象。
  20. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。
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