photon density造句
例句與造句
- This system employed diffuse photon density wave ( dpdw ) to detect the heterogeneities in biological tissues , and the rows of its laser sources and detectors were placed in a special way which made it possible to employ a simple algorithm for three - dimensional localization of heterogeneities
該系統(tǒng)利用射頻光子密度波來探測生物組織內(nèi)部的異物，采用特殊的光源和接收器排列以應(yīng)用簡單的算法進(jìn)行異物的3維定位。 - In this paper the average field is used to describe the carrier in each segment based on the carrier distribution in two - segment dfb lasers and the strict coupled wave theory is used to describe the photon density . combined with these two methods , the threshold condition expression has been derived for the first time
基于兩段式dfb激光器中的載流子分布事實，本文對每一段內(nèi)的載流子濃度用平均場方法處理；對于激光器內(nèi)的光場分布則應(yīng)用嚴(yán)格的耦合波理論進(jìn)行研究，通過將這兩種方法有機(jī)結(jié)合，首次導(dǎo)出了兩段式dfb激光器的閾值條件表達(dá)式。 - The relaxation oscillation in solid - state laser with relaxation oscillation pumping is studied theoretically by the rate equation . the undulation of the laser photon density contains relaxation oscillation frequency itself and that of pumping . when those two frequencies are close , the oscillation will be resonated
我們用速率方程小信號近似方法對泵浦帶有弛豫振蕩的固體激光器的弛豫振蕩的特性進(jìn)行了系統(tǒng)的理論研究，發(fā)現(xiàn)實際光子數(shù)的起伏同時具有自身固有的弛豫振蕩頻率和泵浦光的弛豫振蕩頻率兩種分量。 - The analyses given in this paper to quasi - three - level for 946 nm laser are complete . the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case . the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well
對產(chǎn)生946nm譜線的準(zhǔn)三能級結(jié)構(gòu)給出了較為完整的分析，利用激光諧振腔處于穩(wěn)態(tài)時的速率方程，導(dǎo)出了準(zhǔn)三能級nd ： yag946nm起振時，透射損耗與最佳激光晶體長度的關(guān)系，在與1064nm透射損耗相比較的基礎(chǔ)上，給出了不同的腔損耗情況下的最低鍍膜要求，并且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關(guān)系，這為設(shè)計室溫下高效運(yùn)轉(zhuǎn)的946nm激光器的提供了理論基礎(chǔ)，這種分析方法對研究此類低增益，準(zhǔn)三能級或三能級激光系統(tǒng)輸出特性有借鑒意義。 - The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption , based on this assumption , the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified . through solving these space - dependent rate equations numerically , the results under different assumption are compared . 5
將腔內(nèi)光子密度和初始反轉(zhuǎn)粒子數(shù)的平面波近似修正為高斯分布近似，獨(dú)立地導(dǎo)出描述二極管泵浦內(nèi)腔倍頻-被動調(diào)q激光器的速率方程，并通過數(shù)值求解該方程比較了兩種近似下脈沖特性的不同； 5 .實驗驗證了2中提出的實驗方案，并對實驗結(jié)果進(jìn)行了分析。 - It's difficult to find photon density in a sentence. 用photon density造句挺難的
- In the aspect of output characteristics , after applying the boundary conditions and the continue condition of two segments , the correlative dependence of average photon density in each segment has been obtained . combining this dependence with the threshold conditions , the theory foundation is settled
在兩段式dfb激光器的輸出特性研究方面，利用邊界條件以及兩段之間的連續(xù)條件，導(dǎo)出了兩段平均光子數(shù)密度之間的依賴關(guān)系；這和兩段式dfb激光器的閾值條件表達(dá)式相結(jié)合，構(gòu)造了本文研究激光器輸出特性的理論框架。