色散常數 的英文怎麼說

中文拼音 [shǎisǎnchángshǔ]
色散常數 英文
dispersion constant
  • 色 : 色名詞[口語] （顏色） colour
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. The double - base teaching is one of traditional features in the mathematics " education in our country, which focuses on how to cultivate the students " inquiry ability in the daily teaching. first of all, from the beginning of the double - base teaching, we pay attention to the original knowledge during the teaching of concepts, definitions, theorems and formulas. in the case of exercising lessons, we conclude, summarize and train the student ' s emanative ideations

    重視雙基教學是我國中學數學教學的傳統特色，在日常教學中培養學生的探究能力，應首先從雙基教學開始：在概念、定義、定理、公式的教學中注重知識的起源；在例習題教學中，注重歸納、小結及訓練學生的發散思維能力；在復習課的教學中注重各知識的相互聯系；其次，由於數學開放題具有良好的探究功能，因此，在日常教學中適當創設數學開放題，也是培養學生探究能力的一個重要途徑。
  2. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明， （ a ）熱處理前，隨著基片溫度的增加，薄膜中的低價氧化鈦含量逐漸減少，化學計量比趨于o ti = 2 ；薄膜具有非晶態不緻密的柱狀纖維結構，柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明，在波長為35onzn時嚴重吸收，利用干涉級次法分析了薄膜的光學常數，結果表明，薄膜的折射率隨基片溫度的升高而增加，根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  3. The experiments showed that, as compared to the conventional dyeing, the diffusion coefficients increased more with raising the bath voltage and temperature, indicating the dye uptake rate could be improved with electro - chemical dyeing

    實驗表明：當槽電壓和溫度增加時，擴散系數均比常規染色增加，說明電化學染色可以增加染料的上染速率。
  4. Fdtd analysis of dispersion characteristics of 2d dielectric photonic crystal described by effective permittivity in grid

    採用等效介電常數時域差分法分析二維介質型光子晶體色散特性
  5. The results show that the fiber with chromatic dispersion that is a convex function of wavelength in normal dispersion region is favorable for generating a flat sc spectrum

    發現在光纖的正常色散區，色散曲線與波長的成凸型函數關系的色散特徵，有利於平坦光纖超連續譜的產生。
  6. The dielectric constant of srtio3 ( sto ) thin films is voltage - dependent near the curie temperature tc ( about 40k ). and no dispersion in is observed in sto at frequencies up to 10 ghz. yba2cu3o7 - x ( ybco ) high temperature superconducting thin film has very low microwave surface resistance

    Srtio3 （ sto ）薄膜在其居里溫度附近（ ~ 40k ）具有介電常數隨電場強度變化而變化的性質，同時sto在10ghz以下介電常數沒有頻率色散性。
  7. Then, the auxiliary fields fdtd is used to the periodic structure made of dispersive material, such as the pyramid absorbers in anechoic chamber. the permittivity vs frequency property of the absorber is approached by some dispersive equation model, such as debye model and lorentz model, so the broadband response of the absorber can be gotten through one calculation

    然後將輔助場fdtd應用到色散媒質周期結構中，導出了色散媒質中的迭代式，並以暗室吸波材料陣列為例進行計算，提出用某一類型的介電常數色散函數（如debye型、 lorentz型等）來逼近材料的介電常數頻率特性的方法，從而可以對吸波材料進行一次性寬頻計算。
  8. A perturbation method by tight - binding approximation which provide the relation of phase constant and angular spectrum of fields of in - waveguide is presented. the strip width of phase constant can be given. on the other hand, the group delay - time due to the k dispersion in single - mode transmission can also be estimated

    提出一種利用緊束縛近似的微擾法計算陣列波導的相位常數與輸入光角譜的關系，由此算出相位常數的帶寬，並利用衍射方法估算單模傳輸中k色散引起的群延時。
  9. We derive an analytic expression of the group velocity dispersion ( gvd ) induced chirp and the self - phase modulation ( spm ) induced chirp in the normal dispersionregion of non - kerr - like optical fibers with saturable nonlinarity. the evolution of chirp is simulated by numerical methods. the studied results show that the more powerful saturable effects, the smaller is chirp and the gently is chirp. the net chirp is zero in the central region of the pulse

    從理論上推導出具有飽和非線性的非克爾光纖正常色散區內，群速度色散效應導致的啁啾和自相位調制效應導致的啁啾解析表達式.利用數值解法模擬了非克爾光纖正常色散區啁啾演變過程.研究結果表明：當非克爾光纖的飽和非線性增強時，凈啁啾不斷減小，而且，越來越平緩，脈沖中心附近區域凈啁啾接近零
  10. Thousands of dangerous killers, schooled in the methods of murder, often supported by outlaw regimes, are now spread throughout the world like ticking time bombs, set to go off without warning

    數以千計的被訓練來殺人的危險殺手，通常都有非法政權在撐腰，現在正散布在全世界，在不動聲色地引爆一個又一個的定時炸彈。
  11. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。
  12. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz （ 10 ~ （ 12 ） hz ）時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術，它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源，利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形，通過傅立葉變換得到測量信號振幅和相位的光譜分佈，進而獲得材料在thz波段的復介電常數，即色散及吸收等信息。
  13. In this thesis, the spectral characteristics of a fiber grating are analyzed by using the coupled mode theory. the influences of various structural features such as the length, chirp, coupling coefficient and aperdization to the spectral characteristics were studied numerically with a transfer matrix method. the reflective spectral responses for fiber bragg gratings with different aperdization are analyzed, and the optimal aperdization is ob tained

    首先論文利用耦合模理論對光纖光柵的光學特性進行了詳細的分析，在對比了龍格庫塔法和傳輸矩陣法這二種常用的分析方法的基礎上，選擇傳輸矩陣法著重研究了光纖光柵長度、啁啾系數、耦合系數以及各種切趾函數與其反射譜譜寬、反射率極值、時延、色散等特性的相互關系及影響。
  14. We derive the relationship between verdet constant of magneto - optic glass and operating wavelength by the dispersion theory of verdet constant. zf1 and zf6 magneto - optic glass are experimentalized to testify the relationship. the experimental results are in agreement with the theory

    對zf1 、 zf6磁光玻璃費爾德常數的色散特性進行了理論分析，得出磁光玻璃費爾德常數與工作波長的關系，並進行了實驗驗證，實驗結果和理論符合得較好。
  15. Then, according to waveguide theory, planar waveguide is analyzed. the main parameters, such as spread constant, decay coefficient, cut - off wavelength and so on, are deduced from dispersion formula of planar waveguide. the distributions of electromagnetic wave in the planar waveguide are obtained also

    其次根據波導理論分析了平面波導，由平面波導的色散方程推導出了導模的傳播常數、衰減系數、截止波長等特徵參數以及波導中光波電磁場的分佈。
  16. The duchesse de f rubbed shoulders with mademoiselle a, one of sorriest specimens of our modern courtesans ; the marquise de t shrank from buying an item of furniture for which the bidding was led by madame d, the most elegant and most celebrated adulteress of our age ; the duc d y, who is believed in madrid to be ruining himself in paris, and in paris to be ruining himself in madrid, and who, when all is said and done, cannot even spend all his income, while continuing to chat with madame m, one of our wittiest tale - tellers, who occasionally agrees to write down what she says and to sign what she writes, was exchanging confidential glances with madame de n, the beauty who may be regularly seen driving on the champs - elysees, dressed almost invariably in pink or blue, in a carriage drawn by two large black horses sold to her by tony for ten thousand francs. and paid for in full ; lastly, mademoiselle r, who by sheer talent makes twice what ladies of fashion make with their dowries, and three times as much as what the rest make out of their love affairs, had come in spite of the cold to make a few purchases, and it was not she who attracted the fewest eyes

    M太太是一位風趣詼諧的講故事的好手，她常想把自己講的東西寫下來，並簽上自己的大名。漂亮的n夫人經常在香榭麗舍大街上散步，穿的衣衫離不了粉紅和天藍兩種顏色，有兩匹高大的黑色駿馬為她駕車，這兩匹馬，托尼向她要價一萬法郎她如數照付最後還有r小姐，她靠自己的才能掙得的地位使那些靠嫁妝的上流社會婦人自愧勿如，那些靠愛情生活的女人更是望塵莫及。她不顧天氣寒冷，趕來購買一些東西，也引來了人們的注目。
  17. Starting from symmetry properties of equation and considering the variable - coefficient of the equation as a new dependent variable, a new general method to solve variable - coefficient equation is proposed. the solution of variable - coefficient equation can be expressed by an arbitrary solution of the corresponding constant - coefficient equation. taking schridinger equation as a concrete example, the method is recommended in detail

    將非線性方程的變系數看作與實際物理場具有相等地位的新變量，利用普遍的經典李群方法可以求解某些特殊類型的變系數方程，其解由相應的常系數方程的解表示.以非線性薛定諤方程為具體例子，介紹了這種方法.並給出了特例色散緩變光纖變系數非線性薛定諤方程的精確解
分享友人
分享到 Line

分享到臉書