轉換光譜 的英文怎麼說
中文拼音 [zhuǎnhuànguāngpǔ]
轉換光譜
英文
inversion spectrum-
Components, structure and surface morphology of the resulted films were identified by fourier transform infrared ( ftir ) spectroscopy, x - ray diffraction ( xrd ) and scanning electronic microscopy ( sem ). the analyses showed the content of cubic boron nitride in the resultant films on substrates was rather high and crystal particles of c - bn with uniform size, smooth crystal plane and regular shapes ( quadrangle and hexagon ) densely arrayed on the substrate
傅里葉轉換紅外吸收（ ftir ）光譜儀、 x射線衍射（ xrd ）儀和掃描電鏡（ stm ）的測量結果顯示，基底上的bn膜中立方相含量很高，且晶粒大小均勻、排列緻密，晶形呈規則的四角和六角形。In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector
瞬態時間分辨譜測量方法的主要思想：使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈，經色散后，以二維探測器接收並轉換光信號為電信號，用通用計算機控制採集並處理光譜數據。Nondestructive quantitative determination of starch contentin polyothylent by solid state nmr and ftir
中澱粉含量的固態核磁共振及傅立葉轉換紅外線光譜法無損定量分析In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating
而在基於soa的四波混頻（ fwm ）波長轉換中，在提高光放大器飽和功率的同時減小光譜燒孔（ shb ）和載流子加熱（ ch ）飽和功率可有效提高較大頻率間隔處的轉換效率，並保持其在較大頻率失諧范圍內的效率均衡。The cluster parameter k is presented to reduce upconversion, and the smaller the k, the lower the upconversion. another method to reduce upconversion is to dope al and p together, which can make the esa spectra shifted toward short wavelength
總結了兩種抑制上轉換發光的方法，即:改善摻鉺光纖的團簇結構參數k ， k越小，上轉換發光效率越低; al / p共摻，使鉺離子esa吸收譜往短波方向偏移。A quick spectroscopic diagnostic system for the flame temperature is set up in this paper. it consists of an optic imaging system, a scanning system, a dispersive system, a photoelectricity conversion cell, operational amplifiers, a computer - based data collection system and a data processing. the temperature profile varying with the time can be quickly measured by this system
目前光學診斷由於其相應快、精度高，屬于非接觸式測量手段，在研究中得到越來越多的應用，這里要介紹的就是本文中建立的一套光學診斷系統，它由高壓燃燒室、旋鏡掃描儀、旋鏡控制器、小型光柵攝譜儀、光電轉換裝置，微弱信號放大器以及數據採集系統組成。For the zno : er obtained in the present paper, the room temperature sharp characteristic emissions from the trivalent rare earth er3 +, including upconversion and near infrared emissiom, and the energy transfer between the nanocrystalline zno host and the dopants are observed for the first time in this paper
首次觀測到zno : er的室溫強特徵發射、上轉換發射和近紅外發射，並同過er離子的本徵發光的激發譜觀測到基質zno與er3 +之間存在能量傳遞。The results of attenuated total reflectance - fourier transform infrared ( atr - ftir ), x - ray photoelectron spectroscopy ( xps ) and contact angle measurement showed that the amphiphilic copolymer could self - segregate on the hydrophobic pdl - la surface
利用衰減全反射傅立葉轉換紅外光譜（ atr - ftir ） 、 x -射線光電子能譜（ xps ）分析以及接觸角測定對改性聚乳酸材料表面進行了表徵。With the multiple color changes, the color transformations need to be scripted so that they move through the spectrum in the correct order
由於是在多種顏色之間進行變化，因此需要將顏色轉換寫成腳本，這樣它們就可以按照正確的順序在各種光譜之間變動。By adopting single doped, co - doped or triple - doped ways after adjusting the ingredients of host materials, the author has obtained several up - conversion materials with highly blue and green up - conversion efficiency as well as characteristic luminescence lines and peculiar relations of ratio of luminescence intensities
作者通過調整基質材料，採用單摻雜、雙摻雜和多摻雜、等方式，得到了幾種藍綠光上轉換效率高的上轉換發光材料，其熒光譜線較新穎，色比關系較特殊。Then, on the basis of coupled wave equations, theoretically studies of opo threshold parameters and of the conversion efficiency and of linewidth control are presented. several principles of the optimum design for opo are discussed. the experimental investigations of noncritical phase matching
以耦合波方程為基礎，分析和計算了光學參量振蕩器的轉換效率、抽運閾值、譜線寬度等特性，並在此基礎上討論了如何選擇opo的各項參數。In czochralski silicon crystals ( czsi ) through fast neutron irradiation, formation and conversion of defects were investigated using fourier transform infrared spectroscopy ( ftir ), positron annihilation technology ( pat ) and scanning electron microscope ( sem ). the results showed that fast neutron irradiation induced large quantity of metastable defects which can be the capture centers of positron, positron annihilation average lifetime of samples increased with increasing of irradiation dosage. positron annihilation average lifetime of irradiation samples through dosage up to 1 1018 n. cm - 2 tended to constant
本文對直拉硅樣品進行了不同劑量的快中子輻照，在硅中引入大量的亞穩態缺陷，研究這些亞穩態缺陷的形成，並在較寬的溫度范圍內對輻照樣品進行了退火處理，研究退火后亞穩態缺陷的轉化及同硅中氧的相互作用，應用傅立葉變換紅外光譜技術（ ftir ） 、正電子湮沒技術（ pat ）和掃描電鏡（ sem ）進行了測試。A mathematical transformation algorithm precisely reconstructs the spectrum with a 4x signal - to - noise improvement as compared with a slit - based system equipped with identical source, grating and detector components, and 70 - 80x greater than with a fiber input of equivalent resolution
一個數學轉換元演算法則精確地改造了光譜，在使用相同的光源、光柵和探測原件的情況下，與傳統的基於狹縫技術的系統相比，新的光譜儀將信噪比提高了四倍，而進光量提高70 - 80倍。It is thus of importance to develop an l - band edfa. however, a conventional l - band edfa is relatively inefficient and has low gain and high noise figure since they are operated at the tail of the erbium gain band. therefore, it is very important to design and analyze a high performance l - band edfa with simultaneously high gain, low noise and low gain ripple for a dwdm system
開發新的l - bandedfa是十分必要的，然而傳統的l - bandedfa由於工作在鉺光纖增益譜的尾部，其存在增益低、工作轉換效率低、噪聲大等缺點，因此，分析和設計符合dwdm系統發展要求的具有優良性能（高增益、低噪聲、動態增益均衡）的l - bandedfa是十分有意義的。Firstly, the outputs of the infrared sensors are analog signals, which can be disturbed by noise in optical path and circuit. it has a low precision and stability when using traditional signal processing method, so in this paper a novel spectrum analysis method based on the fft is discussed and some methods are taken to rectify errors from the limitation of the fft
首先，由於紅外傳感器的光電轉換在光路和電路中都會受到噪聲的影響，針對採用傳統信號處理方法帶來的測量精度低、可靠性差這一問題，本文採用快速傅立葉變換和周期圖法的經典譜分析方法對傳感器信號進行處理，並對產生的誤差進行了分析和校正。Band of c = o group around 1724 cm " ' was suggested for the characteristic band of pha were observed on the ft - ir spectra of both of the fresh tobacco leaves and their extractions. twenty - five percent of transformed tobacco plants were detected to produce phas
提取物及新鮮轉化植株葉片用傅立葉變換紅外光譜進行定性檢測，在1724cm ~ （ - 1 ）附近有特徵吸收峰確定其為pha ，從而證實有25 . 00的轉基因植株已含有了目的產物。A laboratory - scale gasoline injector deposit simulator was developed to simulate deposit formation, and the fourier transform infrared ( ftir ) technique was used to analyze the deposit formation mechanism under various wall temperature
摘要建立了實驗室尺度的沉積物生成模擬裝置，並嘗試以ftir傅里葉轉換紅外線光譜法分析沉積物生成的化學機理，以探討不同壁面溫度下的噴嘴沉積物生成過程。Standard test method for determination of gaseous compounds by extractive direct interface fourier transform infrared spectroscopy
用可提取的直接界面傅里葉轉換紅外線光譜法測定氣態化合物的標準試驗方法Topics covered include : statistical analysis of signal processing systems, including radiometers, spectrometers, interferometers, and digital correlation systems ; matched filters and ambiguity functions ; communications channel performance ; measurement of random electromagnetic fields, angular filtering properties of antennas, interferometers, and aperture synthesis systems ; and radiative transfer and parameter estimation
主題包含了信號處理系統的統計分析；輻射儀、光譜儀、干涉儀及數位關聯系統；匹配濾波器、未定值函數；通信通道的效能；隨機電磁場之量測；天線的角度濾波特性；干涉儀與孔徑合成系統；輻射轉換與參數估計。分享友人