無衰減的 的英文怎麼說

中文拼音 [wúshuāijiǎnde]
無衰減的 英文
zero-decrement
  • 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
  • 的 : 4次方是 The fourth power of 2 is direction
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. The decay of the external scalar - field of a black hole is studied in the third chapter, i. e., the physical mechanism of the decay of neutral scalar - field in the gravitational collapse, and the physical mechanism of the decay of charged massive scalar - field in the gravitational collapse

    第三章主要研究無質量標量場在黑洞外部的衰減，即無質量中性場在引力塌縮中隨時間衰減的物理機制和無質量荷電標量場衰減的物理機制。
  2. The activation effect of zn2 + modification, including enhancement of emission intensity, slowing of luminescence decay and increasing of quantum yields, results from the formation of zns shell outside the nanoparticles, which is passivating the surface of nanoparticles, eliminating the surface quenching centers, so as to block the nonradiative transition pathways through these kind of quenching centers

    Zn ~ （ 2 + ）表面修飾在納米顆粒表面形成了zns殼層，鈍化了納米顆粒的表面，消除了表面猝滅中心，阻塞了通過表面猝滅中心進行無輻射躍遷的通道，從而使得發光強度增加，衰減變慢，量子效率提高。
  3. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 34 : examinations and measurements - attenuation of random mated connectors

    纖維光學互連器件和無源器件基本試驗和測量程序第3 - 34部分：檢查和測量隨機配接連接器的衰減
  4. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 34 : examinations and measurements ; attenuation of random mated connectors

    纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 34部分:檢查和測量.隨機插合連接器的衰減
  5. 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。
  6. It is found that if the cavity dissipation is losses and the reservoir is in vacuum, the quantum nonlocality appears periodically. when the cavity dissipation and the average photon number of the reservoir are taken into account, the initial quantum nonlocality will be lost. the rapidity of the loss of the initial quantum nonlocality depends on the amplitude of the initial field, the average photon number n and the cavity damping constant k

    結果表明，如果腔場無損耗且處于真空庫，則量子態周期性地顯現出一定的非局域性；如果考慮到腔場的損耗和熱庫的平均光子數，那麼，量子態將會喪失它初始的非局域性，初始量子非局域性喪失的速度與初始腔場的幅度、腔的衰減系數以及熱庫的平均光子數有關，場越強、平均光子數和衰減系數越大，量子非局域性喪失得就越快。
  7. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明，建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種，其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等，其種子庫密度在早期以近幾何級數的方式增長，元江栲、銀木荷種子庫小，存在時間短，翌年無一年生萌發苗;種子庫數量動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性
  8. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ （ c - b ） 、 r _ （ a - b ）和非相干泵浦速率r對增益、色散和粒子數差的影響；第二節討論了驅動場和探測場的失諧對無粒子數反轉激光增益的影響。
  9. Electro - optical curves for lc cells have been analyzed and it has been shown mat a large attenuation range and a shallow attenuation slope can be achieved simultaneously for a variable optical attenuator based on a parallel - aligned lc cell with an appropriate surface anchoring strength. as compared with the existing liquid crystal - based voa structure ( using two cascaded lc cells with a particular material ), the present structure is simple and has no special requirement for the lc materials

    提出了基於弱錨定平行排列液晶盒的可變光衰減器（衰減范圍大、衰減曲線下降平緩以保證調節精度） ，與己有液晶型可變光衰減器結構（選用特定液晶材料、兩個液晶盒級聯結構）相比較，本論文提出的基於弱錨定平行排列液晶盒的可變光衰減器結構簡單，同時對于液晶材料無特殊要求。
  10. A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate

    提出了一種測量轉臺摩擦特性的方法，通過對轉臺在無外推力作用下的速度衰減曲線的擬合以及電機啟動過程電流和轉速的測量，可以得到最大靜摩擦力矩、庫侖摩擦力矩、粘滯摩擦系數及轉動慣量。
  11. Sphere - if this button is pressed the light shed by the source is confined in the sphere of radius distance rather than going to infinity with its decay ratio

    球體按下這個按鈕，光源發射的光線將被封閉再一個球體內，而不是按照衰減率發射到無限遠。
  12. 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。
  13. For a target of any thinkness, the undeflected flux diminishes exponentially with thickness.

    對具有任意厚度的靶，無偏折的通量隨厚度呈指數規律而衰減。
  14. To ensuring the transmitting quality, the influences of atmospheric attenuation and turbulence to laser transmission is analyzed in the paper

    為了保證無線光通信的質量，本論文還深入分析了大氣衰減效應和大氣湍流效應對激光傳輸的影響。
  15. The new characteristics of borehole compensated ability of two transmitters and two receivers acoustic log system were given under a pulse resource and no attenuation ideal beds by numerical simulation

    摘要通過數值模擬計算給出了點聲源、無衰減各種理想地層條件下雙發雙收聲系在不同擴徑層段新的聲速測井響應特徵規律。
  16. Fibre optic interconnecting devices and passive components. basic test and measurement procedures. part 3 - 12 : examinations and measurements. polarization dependence of attenuation of a single - mode fibre optic component : matrix calculation method

    光纖互連裝置和無源元件.基本試驗和測量程序.第3 - 12部分:檢驗和測量.單模光纖元件衰減的極化依賴:矩陣計演算法
  17. Practical implementations of quantum key distribution systems use attenuated laser pulses as the signal source rather than single photons. the channels used to transmit are lossy. on the basis of above two points, a combining eavesdropping strategy of intercept - resend and beam - splitting is discussed in terms of eavesdropper ' s technology requirement and detection efficiency and dark count of single - photon counter

    主要工作包括以下三部分：一、基於實際量子密鑰分配（ qkd ）系統中所使用的強衰減的激光脈沖不是單光子，量子密鑰分配的通道不是無損耗的，光子計數器存在探測效率和暗計數以及竊聽者的技術能力也不是無限的這些具體問題。
  18. Fibre optic interconnecting devices and passive components. basic test and measurement procedures. part 2 - 41 : tests. screen testing of attenuation of single - mode tuned non - angled optical fibre connectors

    光纖互連裝置和無源元件.基本試驗和測量程序.第2 - 4部分:試驗.單模調諧無角光纖連接器衰減的屏蔽試驗
  19. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - tests - screen testing of attenuation of single - mode tuned angled optical connectors - section 40 : test method for screen testing of attenuation of single mode tuned angled optical fibre connectors

    纖維光學互連器件和無源元件.基本試驗和測量程序.試驗.單模調整式有角度光纖光纜連接器衰減的篩選
  20. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - examinations and measurements - polarization dependence of attenuation in a single - mode fibre optic device

    光纖互連裝置和無源部件.基本試驗和測量程序.檢驗和測量.單模光纖裝置中衰減的偏振依賴性
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