激波增量 的英文怎麼說
中文拼音 [jībōzēngliáng]
激波增量
英文
increase of temperature through shock wave-
The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。The results show that : ( l ) adoption of the intermittent mean price instead of the point price at the end of the option will help to reduce the chances of profit - making manipulated by managers and to curb the manager ' s motive to control the stock price ; ( 2 ) generally speaking, stock price of mean price option is more incentive to the managers than that of the black - scholes ; ( 3 ) when the stock market slumps at the end of the option, mean price option will ensure a moderate insurance for the managers ; ( 4 ) when stock price slumps alone with the overall situation of the stock market in the intermittent option, mean price option. however, will be inefficient as an incentive. chapter four addresses the questions concerning the manager ' s manipulation of the stock price, and the increase of the option risks because of long - term slump of the stock market
第三部分包括第三至五章,第三章針對時點價格容易被控制和時點價格的波動性太大,增加了經理期權的風險等問題,研究採用期權期內的平均價格替代期權期末的時點價格計算經理股票期權收益,構建了幾何型平均價格期權定價公式,並與black ? scholes期權定價公式進行了定量對比分析,結果表明: ( 1 )採用期權期內平均價格替代期權期末時點價格有利於降低經理通過操縱股價的牟利機會,遏制經理操縱股價的動機; ( 2 )一般條件下,平均價格期權股票價格對經理的激勵作用優于標準期權; ( 3 )當臨近期權期末股價下跌時,平均價格期權能為經理提供適度保險; ( 4 )當期權期內,股票受大市持續走弱影響而下跌時,平均價格期權失去了激勵作用。Excite - the magnetic wave energy is generated the lr far infrared ray molecule resonance. to cause the heat - lead reaction ; excite the nature resistance ; strengthen the ell antibody
運用遠紅外線微粒分子共振所產生的磁波能量,而引起誘熱反應,刺激自然抵抗能力、增進細胞抗體。To achieve diffraction - limited beam quality laser, single mode fiber is used as waveguide in both fiber amplifier and fiber laser in the past
為了實現高光束質量激光輸出,傳統的光纖放大器和光纖激光器均採用芯徑較小的單模光纖作為增益介質波導。In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。When activated by an built - in electric waves yanging from 2 to 25 ( microns ) in wavelength and 28 to 34 mw / sq. cm in intensity that coincide with the wavelengths and intensity of the electromagnetic waves released by a human body and are cosquently absorbed by the body ( so - called selective absorption )
其內部所含元素可以通過電能轉換為熱能,當激發到一定溫度,便會產生一種具有不同波長和不同能量的綜合電磁波,這種被吸收的電磁波能增強人體的自身調節機制及免疫力,使癥狀迅速康復,提高機體抵抗力。Power balance is necessary to icf, including the energy balance and pulse shape uniformity at the target. 90 percent of the output energy of " sg - ii " comes from its double - pass coaxial array main amplifiers, and pulse shape distortion caused by gain saturation also occurs mostly in there. therefore precise control of gain performance of the main amplifiers by avm ( angular variable mirror ) is the key to the precise power balance of " shenguang - ii "
「神光? 」裝置90的激光能量由同軸雙程主放大器提供,同時增益飽和效應產生脈沖波形畸變也主要發生在主放大器階段,因此應用組合式角變反鏡( avm , angularvariablemirror )獨立精密控制主放大器各路的增益性能是實現「神光? 」裝置精密化功率平衡的關鍵。Secondly, through the survey of expert and the methodology of key success factor ( ksf ), it concludes the concrete ksfs of air product and water processing facility product. the ksfs of air product : brand name, service assurance, marketing network, large scale economic production, r & d ; the ksfs of water processing facility product : quality management, r & d, service assurance and marketing network - thirdly, through the methodology of value chain and core competence embodied with defined key success factor and main success factor, this paper analyses and evaluates the internal environment. it points out that air product has these advantages such as quality management competence, r & d competence, service assurance competence, large scale production competence, and has these disadvantages such as marketing network, brand name, cost control
本文首先運用pest分析法和波特的五種競爭力量模型,對奧神公司的臭氧空氣系列產品和臭氧水處理工程產品所處的宏觀環境、競爭狀況進行了分析和評價,認為奧神公司產品面臨著國家產業政策扶持、不斷增長的環保需求、人們對清潔空氣和潔凈水的需求增長等發展機會,也面臨著行業市場不規范、市場競爭激烈、用戶討價還價能力強等威脅;其次,通過專家調查,運用關鍵成功因素理論,分析得出臭氧空氣凈化系列產品市場的關鍵成功因素是品牌建設、服務保障能力、營銷網路建設、規模經濟水平、產品研發能力:臭氧水處理設備市場的關鍵成功因素是質量管理能力、研發創新能力、服務保障能力、營銷網路建設;再次,運用價值鏈理論、核心競爭力理論並結合所確定的關鍵成功因素和主要成功因素對奧神公司產品所處內部環境進行了分析,認為臭氧空氣凈化系列產品擁有質量管理能力、產品研發能力、售後服務保障力、規模生產能力的優勢,同時面臨著營銷網路建設、品牌建設、成本控制能力方面的劣勢。These results show the expected increases in solar wind plasma density downstream of the bow - shock boundary, as well as significant solar wind plasma densities within mercury ' s magnetosphere close to the planet
這些調查結果表明,預計增幅在太陽風等離子體密度下游弓激波邊界,以及大量的太陽風等離子體密度與水星的磁層接近地球。Based on the theoretical analysis and experimental researches, it is presented that the wider spectra are resulted from the many fluorophores with large numbers of vibrational energy levels on the ground level in the blood cells, and the reduction of the spectral intensity is due to the reabsorption of the blood cells and the energy transfer of the collisions between the fluorophore and another one or other macromolecule. on the other hand, when the concentration of the blood cells is increased, the reabsorption of the blood cells, the secondary fluorescence due to the reabsorption and the influence of the concentration on the energy levels of fluorophores are all the factors of the red - shifted spectral peaks
在進行理論分析和研究的基礎上,提出了因血細胞中存在多種熒光團,且這些熒光團的電子能級上又存在大量的不同的振動能級,從而導致被激發的熒光團發出較寬的熒光光譜;血細胞濃度的增大,熒光團以及其他大分子之間的距離變小,造成它們之間因碰撞的能量轉移概率加大,因而易產生熒光猝滅,結果導致熒光強度的變小;血細胞溶液中重吸收所導致的熒光猝滅和二次熒光發射,以及血細胞濃度的變化對其中熒光團能級系統的影響都是導致熒光峰值波長「紅移」的原因;進而研究了led光誘導血細胞產生熒光光譜的機理。Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too
本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析,然後,根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式,採用泵浦-探測波的方法,利用超輻射激光二極體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數,之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦光源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號光飽和的原因。It shows that the active channel with sizeable optical gain and a substantial increase of the refractive index are promising for the realization of active waveguide tunable laser
研究表明,室溫下有源溝道具有較大的光增益和折射率增量,有望實現可見波段的可調諧有源光波導激光器件。The fluorescence spectrum ( fls ) of lra excited at 280nm and 295nm showed a maximum peak at 338nm. the characteristic peak of tyr did not exist, and it showed that the fluorescence energy of tyr was transformed to trp and strength the fluorescence of trp. when lra was excited at 295nm, the fls showed a maximum peak at 338nm, the max of fluorescence emission spectrum blue - shifted more than 10nm compared with the max of free tyr ( 348nm )
Lra的熒光光譜研究表明在激發光波長為280nm時,其最大熒光發射峰在338nm處,熒光光譜未見有酪氨酸( tyr )殘基的發射峰,表明tyr殘基的熒光基本上通過能量轉移到trp上,使熒光強度增強,在激發光譜為295nm時,其最大熒光發射峰338nm ,比游離trp的最大熒光發射峰( 348lun )藍移了近10nln ,說明trp周圍的極性較弱,處于疏水的微環境。The double - frequency laser interferometer belongs to the heterodyne interferometer. it has been proved that this kind of interferometer possesses the advantage of having a higher transform gain, better wave - filter capacity and high spatial resolution. furthermore, this kind of interferometer can filter out background light interference and obtain a measuring signal with high signal / noise ratio
雙頻激光干涉儀是一種外差干涉儀,理論分析證明:外差干涉具有高的轉換增益、良好的濾波性能及優異的空間鑒別能力,能有效地濾除各種背景光干擾,得到信噪比很高的測量信號。An experimental investigation on the transition in the boundary layer of horizontal plane with and without single two - dimensional roughness elements has been carried out in the wind tunnel. the distribution in normal and stream - wise directions of intensity of t - s wave excited by vibrating beam was measured in every condition. neutral curves were obtained by measuring the growth of the t - s wave at the normal critical location along the stream - wise direction
在風洞中對水平光滑平板以及加有粗糙元平板的邊界層轉捩進行了測量與研究,比較了不同情況下平板邊界層內由振動梁激勵生成的t - s波沿流向和法向強度的分佈規律,得到了相應的振型增長曲線以及中性曲線。In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the
本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向抽運cr ~ ( 4 + ) : mg _ 2sio _ 4晶體,抽運光脈沖寬度為30ns 、能量為50mj ,在較佳工作條件下得到了中心波長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間特性的近似法基礎上,結合實際的cr ~ ( 4 + ) : mg _ 2sio _ 4激光器的相關參數,從速率方程出發,用數值計算的方法更為精確的模擬了cr ~ ( 4 + ) : mg _ 2sio _ 4激光器輸出激光脈沖的時間特性,得出了激光脈寬只與抽運能量、腔長有關的結論,即抽運能量愈大,脈寬越窄;腔長越長,脈寬則愈寬。It is showed by numerical calculation that the waves amplify becomes great and the width of waves becomes narrow after the collision or chase of two solitary gravitational waves. the results indicate that the nonlinear interaction between the gravitational waves may be one of the causes for outbreak of severe convective weather. furthermore, by comparing once shear with second shear, we find that it is easier to breaking up or energy dispersion for the solitary gravitational waves by the nonlinear action when the distributing of basic flow is once shear
引入實際基本氣流,分別討論了具有垂直一次切變和二次切變流時兩個非線性重力波相互作用的數值計算過程,得到兩個重力波波包相遇或相追都會使波包的振幅增加、波寬變窄;進一步分析表明,有高空急流存在的條件下,非線性重力波的相互作用更易使波包破碎、能量頻散,激發強對流天氣的形成。分享友人