無衰減波 的英文怎麼說

中文拼音 [wúshuāijiǎnbō]
無衰減波 英文
undamped wave
  • 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...
  • 衰 : 衰動詞（衰弱） decline; wane
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system

    以蒸發波導為代表的對流層大氣波導傳播，可使電波在較小的衰減下沿波導傳播得很遠，從而嚴重影響合適的無線電系統。
  2. At the same time, the power capacity of the above mentioned antenna is preliminarily analyzed. the results show that in the pass band, their power capacities increase with the frequency on the whole, ranging from 10 ’ s kw to 100 ’ s kw. with the change of the pulse duration of microwaves, the measurement is carried out on the sensitivity of the detectors of the types wb - cd01 and 2087 - 6001 - 00, on the attenuation of the

    通過調整微波脈寬，對wb - cd01型、 2087 - 6001 - 00型等檢波器的靈敏度，對2082 - 4137系列和tts系列衰減器的衰減量，對rg - 142型微波電纜的衰減量進行了實驗測定，結果表明:在微波脈寬大於40ns時，檢波器靈敏度基本無變化;當微波脈寬在20 ~ 40ns時，檢波器靈敏度會有一定變化，變化趨勢和程度與檢波器的型號有關;而上述型號的衰減器和微波電纜的衰減量幾乎不受微波脈寬的影響。
  3. Numerical analysis of plane explosive wave propagation with its attenuation behavior in semi - infinite medium

    平面爆炸波在半無限混凝土介質中傳播與衰減特性的數值分析
  4. We have demonstrated a novel voa based on high birefringence fiber loop mirror, which has many advantageous characteristics such as a simple structure, high flexibility, polarization independence, low insertion loss and low price, etc. experimental proof shows that it is convenient to realize the control of optical power by using this voa

    2 .利用雙折射光纖環鏡設計並製作了一個結構簡單的可調諧光纖衰減器，具有靈敏度高，偏振無關，低插入損耗和低成本等特性。實驗證明它可以很方便的控制光功率。 3 .提出了一種由布拉格光纖光柵和高雙折射光纖環鏡共同構成波長選擇器件的摻鉺光纖激光器。
  5. Cable assemblies, cables, connectors and passive microwave components - screening attenuation measurement by the reverberation chamber method

    電纜組件電纜連接器和無源微波元件.用混響室法測量濾屏衰減
  6. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 5 : examinations and measurements - wavelength dependence of attenuation

    纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 5部分:檢查和測量.波長衰減函數
  7. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 7 : examinations and measurements - wavelength dependence of attenuation and return loss

    纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 7部分:檢查和測量.波長衰減函數和回波損耗
  8. Owing to slow recessing and long travel distance of the uhf radio waves, this system can transmit the images in tunnel and implement active talk

    此系統利用無線高頻電波在隧道中衰減慢、傳輸距離遠的特性，實現了洞內圖像的傳輸和洞內、外語音交互。
  9. We consider the traveling waves of a delay cnn system with the output function f given as a non - linear function in the latter. we show the existence of monotone traveling waves solutions and describe the global structure of traveling waves such as monotone, damped oscillation, periodic oscillation and unbounded etc as the wave speed c is classified in r

    第二部分我們考慮具時滯非線性cnn系統模型，得出方程單調行波解存在，並將波速c r分成若干個區間，得出c在各個區間時行波解曲線相應的類型包括單調、衰減振動、周期振動、無界等類型。
  10. The resonant box effect is the most important. in chapter five, we use the experimental setup constructed and the cavity decay time method to measure the total loss of a passive resonant cavity, and analyse the experimental data in very detail. we conclude that, in present experimental conditions it is the uniformity and stability of laser mirror to confine the precision and repeatability of experimental results

    第五章在建立起了連續光波時間衰減法測量裝置的基礎上，進行了無源諧振腔總損耗的測量，仔細分析了實驗過程中的誤差因素，並指出在目前的實驗條件下限制測量精度和重復性的主要原因是激光鏡片的均勻性和穩定性不理想。
  11. Band elimination filter. a filter that has a single continuous attenuation band, with neither the upper nor lower cut - off frequencies being zero or infinite

    帶阻濾波器。只有單個連續衰減帶寬，將在上邊帶或下邊帶頻率切斷為零或無窮大。
  12. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 7 : examinations and measurements - wavelength dependance of attenuation and return loss

    光纖互連設備和無源元件.基本試驗和測量程序.第3 - 7部分:檢查和測量.衰減和回程損耗的波長相關性
  13. In wavelength division multiplexing ( wdm ) optical communication networks, power equalization and adjustment between channels demand variable optical attenuator ( voa ) be capable of providing low power consumption, low insertion loss, polarization independence, integration compatibility and flatness in a wide wavelength range. among the presented voas, thermo - optic type owns superior polarization dependence upon electro - optic one, and thermo - optic voa can be driven with much lower power than micro - electro - mechanic system ( mems )

    在波分復用（ wdm ）光通信網路中，多通道間的功率均衡和調整需要具有良好特性的光可變衰減器（ voa ） ，這些特性包括：低功耗、低插入損耗、偏振無關、易於集成以及大波長范圍內的通帶平坦性。
  14. In 1987, a remarkable step was made by yablonovitch, who pointed out the possibility of the realization of photonic bandgaps, localized defect modes, and their applications to various optoelectronic devices, and by john who dicussed the strong localization of electromagnetic waves in disordered photonic crystals and also predicted many interesting quantum optical phenomena that can be realized in photonic crystals such as the bound state of photons and non - exponential decay of spontaneous emission

    1987年yablonovitch和john開創性地提出光子晶體這一新概念， yablonovitch指出了有可能實現光子頻率帶隙和局域缺陷模以及許多光電技術方面的應用， john則討論了在無序光子晶體中電磁波的強烈局域現象，並預言在光子晶體中存在許多有趣的量子光學現象，諸如光子局域態、自發輻射的非指數衰減。
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