characteristic wavelength 中文意思是什麼
characteristic wavelength
解釋
特炸長- characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
- wavelength : 【無線電】波長。
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The experimental results showed that the characteristic pl peak of quantum wells was shifted to longer wavelength ( red shift ) and the intensity was decreased much after fel irradiation
分析光致發光譜，發現量子阱特徵峰經過輻照后峰值發生紅移，波形展寬，峰高降低。 -
Based on the rate equation and the temperature characteristic of the ld, the temperature control object model and the temperature control error of dfb - ld are analyzed. then the power and wavelength output characteristic is farther analyzed
首先從ld的溫度特性入手，分析了分佈反饋式ld （ distributefeedbacklaserdiode ， dfb - ld ）的溫度控制誤差、溫度控制對象。 -
Interstellar hydrogen will emit a characteristic wave with wavelength 21cm. most of the sources of this wave are gas clouds in the spiral arms. second to the 21cm emission, the radio wave emitted by the molecular gas clouds in the arms are also good spiral arm tracers
在旋臂中的氫氣分子云，會發射出波長為21厘米的無線電波，只要探測這些無線電波在天空中的強度分佈，便可推算出旋臂的結構。 -
And non - fourier heat conduction is encountered. when the wavelength of the heat carrier is comparable to the characteristic length of the structures, or the time of heat conduction is shorter than that required for reaching the state of thermal equilibrium, the heat conduction has wave characteristics
當載熱體的微時間尺度與能量激發特徵時間相比擬時，或者傳熱發生的時間比達到熱力學平衡態所需的時間短時，熱傳導就可能出現波動性質。 -
A switchable and spacing - tunable dual - wavelength linear cavity edfl is demonstrated experimentally using this kind of bragg grating for wavelength selection. it exploits the birefringence characteristic of the fbg induced by transverse strain. transverse strain loading on the fbg allows the wavelength spacing to be controlled while axial strain shifts both wavelengths together
2 .對軸向及側向應力共同作用下的光纖布拉格光柵的透射及反射光譜特性進行了理論及實驗研究，並首次把軸向及側向應力共同作用下的光纖光柵應用於光纖激光器進行波長選擇，得到了室溫下穩定工作的波長及波長間隔可調的可開關雙波長的摻鉺光纖激光器。 -
At the same time, because of the strongly competitive ability and characteristic predominance of wavelength division multiplexing ( wdm ) technologies and " bottle neck " limitation of time division multiplexing ( tdm ) technologies, people ' s interest is transferred from the tdm to the wdm. the wdm technologies are developing rapidly and are used widely
同時，由於光纖通信中的波分復用（ wdm ）技術的強大競爭力和獨特的優越性能以及電時分復用（ tdm ）技術的「瓶頸」局限性，使人們正越來越多地把興趣從電時分復用技術轉移到波分復用技術上，波分復用技術得到飛速的發展和廣泛的應用。 -
Linear frequency modulated continuous wave ( lfmcw ) radar has many characteristics of simple structure, small volume, light weight, low cost, low transmitter peak power, short wavelength, thus it is especially suitable to be used in radar image, research of target characteristic, end control and guide, battlefield spy, scene watch etc. and more people in the world interested in it, it will have a wide prospect
線性調頻雷達具有結構簡單、體積小、重量輕、造價低、發射峰值功率低、波長短等一系列優點，特別適合於雷達成像、目標特性研究、末制導、戰場偵察和場面監視等領域，目前已受到國內外的廣泛重視與研究，應用前景十分誘人。 -
In this paper, on the basis of increasingly mature fabrication technologies of planar integrated waveguide and the optical fiber grating, we make use of not only the ( de ) multiplexing and wavelength router characteristic of arrayed waveguide grating ( awg ), but also the dispersion peculiarity of uniform fiber bragg grating ( ufbg ). then a kind of dispersion compensator, which can compensate the dispersion of the optic signal in every channel in the wdm system respectively, is devised. the method makes the compensation efficiency maximum theoretically
本文結合近幾年來日益成熟起來的平面集成波導製作工藝和光纖光柵製作技術，利用陣列波導光柵（ awg ）的復用特性和波長路由選擇特性與均勻光纖光柵（ ufbg ）的色散特性，提出了一種能對wdm系統中各分波光信號分別進行有針對性色散補償的補償器件，該器件使wdm系統中各分波光信號所得到的色散補償在理論上達到很高效率。 -
On the basis of this, the effective reflective index with the variation of the carrier density is discussed. this paper also analyzed the random facet phase and the length of the cavity ' s influence on threshold characteristic. especially, the wavelength tuning characteristics have been investigated in detail when one segment works as absorbed region
在此基礎上，研究了每一段等效反射率譜曲線隨載流子濃度變化的情況；分析了邊界相位的不確定性以及激光器腔長對閾值特性的影響；重點討論了其中一段工作在吸收狀態下的波長調諧性質。 -
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。 -
Fbg can be immune from light source disturbance and system loss by transforming sensing information into its reflecting wavelength shift, which has the characteristic of wavelength coding
由於它能將被感測信息轉化為其反射波長的偏移，即具有波長編碼的特性，因而不受光源功率波動和系統損耗的影響。 -
Based on the theoretical analysis, we experimentalize to the output characteristic of laser and probe into the efficiency and output power of the er - doped yag solid laser, moreover, we research and development a compact, no water cooled and low frequency central wavelength 2. 94 u m laser sample
在理論分析的基礎上，對該波長激光的輸出特性進行了實驗研究，探討了摻鉺yag固體激光器在效率和輸出能量等方面的問題。並研製出一套小型化，無水冷，低重頻，輸出中心波長2 . 94 m的激光器。 -
At first, we investigated the photoluminescence characterization of theion - implanted samples by spectroanalysis, found that the ion implantation would damage the crystal lattice structure and affect the optical radiation of characteristic. moreover, the crystal lattice structure will be restored after annealing, which can be determined by the change of fluorescence peak intensity and blue migration of wavelength
發現mn ~ +離子、 c離子的注入都會損傷樣品的晶格結構，從而影響樣品的發光特性，而退火處理對這些損傷有一定的修復作用，這可以從發光峰強度的變化及波長的藍移來判定。 -
The frequency characteristic of the admittance of radiating slot and the waveguide wavelength of radiating waveguide is the main factor that influences the bandwidth of the slot array antenna
摘要輻射縫隙導納及波導導內波長的頻率特性，是影響裂縫天線帶寬的主要因素。 -
In order to design wavelength insensitive power splitter based on soi, the wavelength characteristic of mach - zehnder interferometer were investigated by means of bpm and fdm ( finite - difference method ). then the parameters of mach - zehnder interferometer were optimum designed using genetic algorithm. besides, genetic algorithm is also used to optimize the upper tier parameters of mzi based silica - on - silicon to attain a flat spectral response
為了設計對波長不敏感的soi材料的mz功分器，利用束傳播法（ bpm ）和有限差分模式解方法（ fdm ）對mach - zehnder結構的組成部分定向耦合器和相位延遲部分做了波長相關特性的計算，然後通過遺傳演算法優化設計了mach - zehnder的結構參數。 -
This work analyses the characteristic of excimer laser at first, then an accurate energy distribution of the laser beam of wavelength 248nm is given out. depends on the theoretic analysis, a hollow waveguide is designed
本文從分析準分子激光器的光束特點出發，對波長為248nm的準分子激光光束的能量分佈做了精確分析，設計加工了適于本krf準分子激光勻束的光波導。 -
Each of the chemical elements that makes up the objects radiates at its own characteristic wavelength.
構成這些天體的每一種化學元素都會以它們特有的波長發出輻射。 -
At the pre - design size of the cns 20cm 20cm, the transmission efficiency and neutron current have been campared among various design scheme of the cngs with characteristic wavelength of 0. 2nm and 0. 4nm
在冷源預設計尺寸20cm 20cm下，從傳輸效率和中子流量的角度對特徵波長為0 . 2nm和0 . 4nm的兩條冷中子導管的多種設計方案進行了比較。 -
This possibility arises because the wavelength of a typical electromagnetic wave ? the characteristic distance over which it varies ? is orders of magnitude larger than the atoms or molecules that make up a material
這個可能性來自於典型電磁波的波長（亦即電磁波變化的特徵長度） ，要比構成材料的原子或分子大上好幾個數量級。 -
As a result of its characteristic of wavelength encoding and linear strain and temperature response, fiber grating has a broad application future in the field of optical sensing
光纖光柵由於其自身的波長編碼特性，以及線性的應變和溫度響應，在光纖傳感領域有著廣泛而良好的應用前景。
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