超波長 的英文怎麼說

中文拼音 [chāozhǎng]
超波長 英文
superwavelength
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  1. The permanent radiation of the sun would become measurable for wavelengths exceeding 20 cm.

    結果是過20厘米的太陽的永久輻射變得可以測量了。
  2. We used four different wavelength light including red light ( 750nm ), yellow light ( 580nm ), green light ( 560nm ), blue light ( 400nm ) to stimulate four different groups compound eyes. then the ultrastructures of the compound eyes of each group were observed under electron microscope. the results showed the fine structure of the photoreceptor, the diameter of rhabdom, the dimension of perirhabdom vacuole, the number of pinocytotic vesicle below the microsvilli, the location of pigment granules, the emergence of lamellar bodies and lysosomes in cytoplasm, were different in different light adaptation

    二、不同光照條件下復眼微結構的變化三疣梭子蟹經過12h暗適應后,在不同的紅光( 750nm ) ,黃光( 580nm ) ,綠光( 560nm ) ,藍光( 400nm )照射下,其光感受器的小網膜細胞和感桿束的形態和微結構呈現較大的區別,感桿束的形態、細胞內的胞器隨不同光的適應而發生變化,在紅光下感桿束直徑最大,微絨毛排列整齊,在藍光下感桿束直徑最小,微絨毛最凌亂。
  3. It is more suitable for the broader sc spectrum generation when the dispersion curve of the fiber is flatter and distance between the two zero - dispersion wavelengths of the fiber is farther from each other

    光纖的色散曲線越平坦,色散曲線的兩個零色散相距就越遠,也越有利於連續譜的展寬。
  4. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強度、同一方向上不同粒子散射的可區分程度來看,在散射式能見度探測儀器中,工作介於0 . 86 m 2 m ,探測角度選取前向25度40度時,探測的結果將會是比較理想的。第三部分中,使用橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。
  5. We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses

    給出了折射率、群速指數、低階和二階色散系數隨變化的關系曲線,研究了高斯脈沖、高斯脈沖和雙曲正割脈沖等短脈沖在clbo晶體中傳播時,由於低階色散和高階色散引起的脈沖展寬和形變。
  6. The development and application of the liquid - medium ultrasonic stage recorder

    期自記水位儀的研製及應用
  7. Emission ( by atoms, molecules or ions in a material ) of optical radiation which, for certain wavelengths or restricted regions of the spectrum, is in excess of the radiation due to thermal emission from the material at the same temperature, as a result of these particles being excited by energy other than thermal agitation

    原子、分子或離子由於受能量的激發而產生的某一范圍內的光輻射,這種光輻射的能量過了在相同溫度下該材料產生的熱輻射的能量。
  8. Generation of tunable dual - wavelength optical short pulse using a self - seeding scheme with enhanced sidemode suppression ratio

    以自激注入鎖定方式生成邊模抑制比高的可調諧雙短光脈沖
  9. So far the researches on ultrashortpulse laser - matter interaction concentrated on infrared regime, yet ultraviolet laser has the advantage in intense field physics and icf researches for its short wavelength and less nonlinear effects

    迄今為止,短脈沖激光及其與物質相互作用的研究大都集中於紅外光譜范圍,而紫外準分子短脈沖激光系統由於其短、非線性效應小而具有良好的聚焦性能。
  10. 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,色散曲線與的成凸型函數關系的色散特徵,有利於平坦光纖連續譜的產生。
  11. The very short wave lengths of ultrasound make a great difference in what ordinary sound waves can do

    極短,其功能與普通聲相比大不相同。
  12. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡( nolm )相結合的方案來對信號脈沖進行壓縮整形,模擬顯示,在調節系統合適參數的情況下,位於soa增益區的二階高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時,最後可以得到放大的高質量簡訊號光脈沖;在基於soa的交叉增益調制( xgm )全光轉換中,採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低,向下轉換的距離和反轉光的峰值能量都得到明顯提高,降低了利用交叉增益調制( xgm )轉換中對精度的要求,從而提高了轉換的靈和性。
  13. In fact, the difference is the how to expert the function of money. to get the truth and integrate the different ideas, by studying the statistics from 1953 to 2001, there have a conclusion that the length and the trend of period are similar. during the 48 years, by the standard of 10 %, there are six periods to money supply and economic growth and the periods are correspondence, especially the period of money lag the period of economic growth one year

    為了澄清這方面的問題,本文對1953年至2001年中國貨幣供應動周期和經濟增動周期的周期、動趨勢和幅進行了對比研究,發現在整個48年間,按過10的標準計量,經濟增和貨幣動都可分為六個周期,並在周期、動趨勢和幅上呈現出一定的對應性,且貨幣動周期呈現出滯后經濟周期的特性。
  14. Dual - wavelength ultra - short pulse generation by use of semiconductor laser diode

    半導體激光器生成雙窄脈沖的實驗研究
  15. Even if experimenters bounce the beams to and fro to increase the effective length of an interferometer ' s arms to more than 100 kilometres, the expected difference in length between the two beams ' paths still amounts to less than a hundred - millionth of the diameter of a hydrogen atom

    盡管已經讓激光束反復反射來使激光干涉管臂的有效度增加到過了100公里,但在光路路程之內,兩束光差仍小於氫原子直徑的一億分之一。
  16. This is not true. quantum mechanics does not provide a way to go above speed of light. in the current framework, quantum mechanics does not violate relativity

    在它一個康普頓內它的運動是光速的。只是由於測不準原理其運動是難以控制的。
  17. Over - the - horizon radar ’ s beam - frequency is high frequency band and its wavelength is so long that the annate ’ s characters are very complicated when applicated on the ship. the character of coupling between cells and the environment must be measured to compensate in the radar signal process step. the ship - based over - the - horizon radar uses cfa ( crossed field antenna ) as array antennas ’ cell

    艦載視距雷達使用高頻信號作為發射頻率,其,在艦船有限的空間內,陣列天線的陣元之間的耦合與陣元與背景之間耦合都十分嚴重,必須測量陣列天線通道的幅相一致性,作為雷達信號處理的補償參數。
  18. 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-探測的方法,利用輻射激光二極體( 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和最大功率后,找出了反向泵浦情況下使c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。
  19. The resonance - enhanced multi - photon ionization ( rempi ) spectrum of no in the region of 420 - 680nm is obtained by using optical parameter generator and amplifier ( opg / opa ) as radiation source. the opg / opa was pumped by nd : yag ( quantel ) laser

    本工作以短脈沖( 35ps ) nd : yag激光的三倍頻輸出( 355nm )泵浦光學參量發生放大器作為激發源,獲得了no分子在420 680nm范圍內的多光子共振離化光譜。
  20. Each wavelength of optical radiation has an associated threshold retinal exposure level that must be exceeded in order for retinal damage to be observed - shorter wavelengths are more effective in that less energy is needed

    對應每種的光都有一個極限值,過這個極限值才能使視網膜受到損害.對于較短的光幅射,這個極限值的能量強度較低
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