通路損耗 的英文怎麼說

中文拼音 [tōngsǔnhào]
通路損耗 英文
path attenuation
  • : 通量詞(用於動作)
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : 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) ...
  • 通路 : thoroughfare; highway; highroad; route; viae; lead; outlet; approach; passage; gangway; access; c...
  • 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. 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 )作為無線信射頻發射機中不可缺少的關鍵電,對于提高手機的功率效率、降低電源、減小體積重量、延長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,更是在現代信系統中佔有十分重要的地位。
  2. 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

    在無線信技術對cmos射頻/微波集成電需求的大背景下,本論文提出了用於高頻集成電( 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/微波集成電的難題,以達到降低高頻集成電器件的高頻,提高器件q值以及擴寬器件應用頻帶的目的。
  3. 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信方式,具有傳輸小、覆蓋線長、架設方便、易於維護等優點。
  4. In this research, the high - fluidity and super high - early strength repairing concrete is prepared though experimental research on quick - repairing materials to cement concrete pavement. this concrete is provided with many properties such as satisfying early traffic opening, benefiting operation, cutting down labor consumption and securing interfacial bond strength

    本課題過對水泥混凝土面快速修補材料的實驗室研究,旨在研製高流動性超早強修補混凝土,以滿足及早開放交、利於施工操作並降低勞動、保證新老混凝土的粘結性。
  5. 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特性,則為合理的微蜂窩無線網規劃、設計提供了必要條件,同時也是研究微蜂窩移動信系統性能的前提。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,介紹了陸地移動信系統中常用的幾種電波傳播經驗性預測模型,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。
  6. 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,介紹了陸地移動信系統中常用的幾種電波傳播經驗性預測模型,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。
  7. At the same length, the insertion loss of different sub - channels also undergoes changes. this effect, along with the intrinsic background noise, impulse noise and the receiving sensitivity of modem on the adsl, will limit the maximum transmission distance on one single subscriber line

    首先,銅線的插入將隨著線距離的增加而成比例地增加,並且在同一距離下各子道的插入也發生變化,這個因素和線固有的背景噪聲、脈沖噪聲、數據機的接收靈敏度一起將限制在單用戶線上adsl所能夠傳輸的最大距離。
  8. In accordance with the fact of power system and the analysis of the power flow induced by a certain wheeling transaction in one transmission line to allocate the transmission losses and the unit power price of each transmission line, the paper proposed a corresponding wheeling costs model

    本文主要討論了電力市場中轉運費用的定價問題,結合電力系統的實際情況,過描述轉運業務對線的使用程度來對線固定成本及網進行分攤,並提出相應的轉運費定價模型。
  9. The article consists of three parts mainly : the first part has described the method of detecting the faint signal, mainly include : detection technique of faint signal, principle of the optical fibre sensor, the little lose effects when optic fibre little curved, and the research of the stress sensor of optical fibre. the second part emphasizes on the design of the intelligent photoelectricity system, mainly tells the design of the circuit to process the faint photoelectricity signal, details the software and hardware design of intelligent photoelectricity system made of single chip microcontroller, led, man - machine interface, communication interface, etc. the third part is the network communication of the detection system, details the technology of single chip microcontroller how to group the network, and the communication between single the chip microcontroller system and the modem, and how to realize the data between the field and computer central exchanged through the existing public phone network

    文章主要分為三部分:第一部分論述了微小信號的檢測方法,主要包括微小信號的檢測技術、光纖傳感器的原理、光纖微彎效應及光纖應力傳感器的研製;第二部分重點講述了智能光電檢測系統的研製,主要講述了微弱光電信號調理電的設計及由前(后)向道、單片機、 led 、人機介面、信介面等組成的智能光電系統的軟硬體的具體設計;第三部分為檢測系統的網信部分,具體闡述了單片機系統間的組網技術、單片機和modem之間的信及過現有的公用電話網實現遠程監控的技術,實現現場檢測系統與橋梁測控中心的數據交換。
  10. Imported from germany, elevator kiln produce high frequency, low power loss material : nh2c equivalent to tdk pc44 and high initialpermeability material : nh13a ui 13000. advanced controlling technique of internalatmosphere and temperature curve to ensure its excellent performance, their high quality and stable character will meet telecom and networkcustomers strictly demand. we specialized in manufacturings. m. p. s transformers, inductors

    公司引進德國鐘罩爐設備,採用先進的爐內氣氛控制方法和特殊的氣氛曲線,生產高頻低功率鐵氧體nh2c材料相當于tdk pc44及高磁導率鐵氧體nh13a材料ui 13000 ,充分滿足客戶對網訊用磁芯在性能和穩定性上近似苛刻的要求。
  11. By using optical cable communication methods, which have advantages of great information transmission capacity, rapid velocity, wide frequency band, strong anti - jamming capability, low circuitry loss and easy construction, modern sky - wave over - the - horizontal radar can achieve information transmission and system control of full coherent radar, which has excellent abilities of security, stabilization, anti - jamming and anti - destruction

    過採用光纖傳輸技術,利用其信息傳輸容量大,速度快,頻帶寬,抗干擾能力強,線低,易於施工等特點,實現全相參雷達的信息傳輸和系統控制,具有優良的保密性,穩定性、抗干擾性和抗摧毀能力。
  12. On the condinary, much reactive capacity loaded would be bad, and net ' s voltage would be higher and its security would be influenced. with the needs of reducing line loss, to study the method of compensating reactive capacity has been an important task in power department

    同理,如果就地投入補償過大,多餘的無功就要過輸配電線向其他設備或區域輸送,也會造成無功和有功,使得用戶的電壓偏高,影響到電力網的安全經濟運行。
  13. By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source

    過模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開范圍,因此,諧振電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的增加,降低了軟開關逆變器的效率。
  14. The advantages of using leo satellite are as following : on the one hand the satellite orbit is low, so the transmission delay is short, the power loss is small ; on the other hand the development of cell communication, multi - access, frequency multiplex and etc also provide a technique guarantee to the leo satellite - mobile - telecommunication. so the leo system is considered to be a satellite - mobile - communication system with a great future

    低軌道衛星是一種運行於1000公里左右的高空中的人造衛星,利用leo衛星實現個人信的優點在於:一方面衛星的軌道高度低,使得傳輸延時短、小,多個衛星組成的星座可實現真正的全球覆蓋,頻率復用更有效:另一方面蜂窩信、多址、點波束、頻率復用等技術的發展也為低軌道衛星移動信提供了技術保障。
  15. The insert loss of the passive circuit is less than 3. 5db, return loss better than 10db. the ammic5040 is used to drive the tga1141, and the power is splited into two signals, each of these is to drive tag4517. at the output port, the power is 4w

    無源網小於3 . 5db ,回波優於10db 。第一級放大器採用ammc5040以驅動tga1141 ,過功率分配器將信號分為兩以驅動兩tga4517功率放大器。最後獲得了4w連續波功率輸出。
  16. Since the analysis of the inverter and its control system is very complex, the frequency analysis, time domain analysis and control system is made in capacitance operated conditions limited to pressure of time and paper length. the research content can be summed up as follows : ( 1 ) a new equivalent circuit of dbd circuit ( dielectric barrier discharge ) that consider the consume of transformer, the on - off switching loses and so on is presented based on the ozonier powered by sine current source. as compared with the former equivalent, the new equivalent circuit can be depicted the actual ozone circuit accurately

    本文主要針對容性狀態下的臭氧發生器電源進行相關研究,研究內容包括以下幾部分: ( 1 )在正弦電流源供電的dbd型發生器的基波等效電基礎上,提出了一種考慮電雜散(變壓器勵磁、開關管開關和導以及其他元件的熱)的改進型基波等效電,並採用該等效電得出了適用的臭氧發生器電源設計方法,實驗驗證了該基波等效電具有工程設計精度高的優點。
  17. The article has set up a new assignment process on production logistics for the industrial port of wisco ' s finished product wharf, mixing the modernized information technology, especially the abundant applying on computer network, guiding with information, by strengthening the plan of production logistics to improve the passing ability of fished product wharf and steel ' s outbound quality and level, to reduce the inefficiencies assignment of every process in the product logistics, bring down the wastage with effect

    文章構建了武鋼工業港成品碼頭新的生產物流作業流程,融合現代信息技術尤其是計算機網技術,以信息流為先導,過增強生產物流的計劃性來提高成品碼頭的過能力和鋼材外發質量與水平,減少生產物流各個環節的無效作業,有效降低物流
  18. Two kinds of common used snubber circuits are studied through simulation and experiment. it is pointed out that the rcd snubber has less power loss. increasing the turn ratio of transformer is helpful for the energy, which is stored in the primary side of transformer, to be transferred to the secondary side

    過實驗和模擬,對比研究了電中周波變換器的兩種常用的緩沖電,指出採用rcd緩沖電更小;提高變壓器匝比有利於減小鐵芯儲能的回饋,提高逆變器變換效率,但它同時也增加了副邊功率管的電壓應力,必須綜合兩方面確定合理的匝比。
  19. Firstly, the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed. there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers

    本文首先分析了基本的全橋移相zvsdc dc變換器的工作原理,為解決滯后橋臂不易實現零電壓開關( zvs )的情況,討論了另外三種全橋移相zvsdc dc變換器的電拓撲,重點分析並解決了四個方面的問題:如何擴大zvs的負載范圍;減小變壓器原邊環流,降低變換器系統;減少變壓器次邊有效占空比丟失;消除輸出整流二極體的寄生振蕩。
  20. Then the volume and weight of the system could also be reduced. the loss analysis shows that the main loss is the loss of primary loop so the effective approach of improving efficiency is to lower the rms value of primary current

    過對靜止變流器的分析得到了原邊迴達全部的61 . 2 ,為的主要分佈點,提高系統效率的有效途徑是減小原邊電流的有效值的結論。
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