spectral characteristics 中文意思是什麼

spectral characteristics 解釋
光譜特性
  1. Four donor - acceptor conjugated carbazole derivatives for two - photon absorption optics were designed and synthesized. the spectral characteristics and the structure - activity relationship were investigated

    摘要設計、合成了四個新的?唑類具有較大雙光子吸收截面的化合物,研究它們的光譜特性,對雙光子吸收的構效關系進行初步探索。
  2. Cytochromes can be detected by their spectral characteristics.

    細胞色素可通過其光譜特性檢測。
  3. By observing the effect of acidity on the uv difference spectra of ehpg or hbed, the spectral characteristics of apoovotransferrin binding to metals and anions at ph 7. 4 show that the reaction of apoovotransferrin with metals is related to deprotonation of the phenolic group of tyrosine of the metal binding sites, while the binding of apoovotransferrin to anions is associated with the protonation of the phenolic group of tyrosine of the anion binding sites

    摘要通過觀察酸度對模擬轉鐵蛋白小分子ehpg和hbed紫外差光譜的影響,結合脫鐵伴清蛋白與金屬離子、陰離子結合的光譜特性,推斷脫鐵伴清蛋白與金屬離子的結合導致金屬離子結合位點處酪氨酸酚羥基的去質子化,而與陰離子的結合導致陰離子結合位點處酪氨酸酚羥基的質子化。
  4. In chapter 4, the spectral characteristics and its application in optical add - drop multiplexer ( oadm ) and in multi - channel dispersion compensator of linearly chirped moir fiber grating are studied. according to the coupled - mode theory and considering the construction features, we derive the couple - mode equations that describe the mode interaction in this kind of grating

    首先從耦合模理論出發,結合線性啁啾moir光纖光柵的結構特性,建立了分析線性啁啾moir光纖光柵的耦合模方程,通過數值求解耦合模方程,研究了線性啁啾moir光纖光柵的光譜特性和時延特性。
  5. Optics and photonics - lasers and laser - related equipment - test methods for the spectral characteristics of lasers

    光學和光子學.激光及其相關設備.激光光譜特性的試驗方法
  6. Optics and photonics - lasers and laser - related equipment - test methods for the spectral characteristics of lasers iso 13695 : 2004 ; german version en iso 13695 : 2004

    光學和光子學.激光及其相關設備.激光光譜特性的試驗
  7. In the paper, the spectral characteristics for twenty - eight triterpenoids from medicinal plants of rubiaceae were summarized

    綜述了茜草科常用藥用植物中28種三萜類成分的結構及其波譜特徵。
  8. Spectral characteristics of multi - output m - valued logical functions

    值邏輯函數的譜特徵
  9. Studies on synthesis and the spectral characteristics of oxazolidine derived form ephedrine

    麻黃堿衍生口惡唑烷類化合物的合成及光譜特徵研究
  10. Red tide occurs randomly, with short duration and large incidence. airborne hyperspectral remote sensing technique can play an important role in red tide ' s monitoring. and the precondition is to acquire in situ spectral data of red tide, to grasp red tide ' s spectral characteristics by data processing and analysis and to set up spectral library of different dominant species of red tide

    赤潮是海水中的浮游生物在一定條件下過度繁殖或聚集致使海水變色的一種生態異常現象,因其具有隨機性、突發性、持續時間短、影響范圍大等特點,客觀上要求利用航空高光譜遙感技術對其進行監測;但首要的前提與基礎性工作是大量獲取赤潮水體的現場光譜數據,通過處理與分析,掌握其光譜特性,不斷充實赤潮優勢種類的光譜數據庫。
  11. According to fourier analysis theory and the results of coupling theory of uniform fiber grating, the spectral characteristics of sampled fiber grating is studied theoretically and the formula about its overall envelop, peek interval and the number of these peaks are obtained

    摘要運用傅立葉分析與均勻光纖光柵耦合模理論的結果,對取樣光纖光柵的光譜特性進行了理論研究,得到取樣光纖光柵反射峰包絡、反射峰間隔和反射峰數量的理論計算公式。
  12. At last, pointing to the temporal characteristics and the spectral characteristics, this paper discussed the methods for estimating the maximal line velocity ( vmax ) and the glint periods ( tp ) of the hovering helicopter, and then fulfilled the recognition of hovering helicopter using these two message. in chapter 5, the summary of all the works in the paper and related conlusions are presented, and the defects are analized at last, at last this paper demonstrated the d

    最後,本文針對懸停直升機旋翼回波的時頻域特點,探討了從回波信號中提取旋翼回波最大線速度v和旋翼回波閃爍周期tp的方法,在綜合利用這兩種信息的基礎上完成了彈載高重頻脈沖多普勒體制雷達對懸停直升機回波信號的識別。
  13. Effects of the eh cladding modes and cross coupling of cladding modes on the spectral characteristics of long - period fiber gratings

    包層模及互耦合對長周期光纖光柵譜特性的影響
  14. Spectral characteristics of winter wheat under different nitrogen nutrient

    不同氮素營養條件下的冬小麥生理及光譜特性
  15. Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest. the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function. and the mismatch - phase sequence is corresponding with the frequency sequence one by one

    而頻率編碼為不均勻分佈,由所觀測目標的頻譜信息提取出概率密度函數決定頻率編碼序列的分佈;相位編碼為二元的偽隨機序列,採取均勻的二相編碼,消減同頻脈沖帶來的過高的相關函數的旁瓣;而失配相位為與頻率編碼相一一對應于各子脈沖中。
  16. The method plays an important role in distinguishing and studying the complicated and confused spectral characteristics and mechanisms of the rare earth. ( 2 ) it is found and explained that due to the boltzmann distribution law at room temperature, the positions of the fine peaks of the photoluminescence band stemming from the transitions between an excited state and the ground state of a re3 +, match these of the absorption bands from the transitions between the ground state and the excited state. the stark split energy levels of the ground state 4i15 / 2 and two excited states 2s3 / 2 and 4f9 / 2 of the er3 + in er203 have been determined

    薛理輝武漢理工大學博士學位論文摘要( 2 )發現在常溫下,由於boltzm ~分佈律的作用,在re3 +的基態電子態和激發態間躍遷所產生的發光譜帶和吸收譜帶中的精細譜峰的位置一一相同,解釋了產生這種關系的原因,並弄清了er203中er3 +的基態電子態4lts . 12和激發態電子態2凡/ 2 、 4凡/ 2的stark能級分裂情況,確定了常溫下erzo3中er3 +的4了15 / 2一2凡/ 2和『 i , 5 / 2一『凡/ 2精細能級間的躍遷形式。
  17. 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。
  18. In this paper, the author will firstly introduce the meanings of the photometric units, photosynthetically active radiation and photosynthetic photon flux, then theoretically derive the relations of the three units above, and finally utilize the full range of spectral characteristics of three different lamp to illustrate the process of conversion

    該文在介紹人眼光度學、促進光合作用輻射功率和光合作用光子流量的基礎上,主要從原理上推導出三個單位之間的轉換關系,最後用三種光源具體舉例計算。
  19. The results show that essential difference is existed in absorption spectum of potash feldspar between gold - bearing and gold - barren deposits and the visible absorption spectral characteristics of potash feldspar would be the important exploration criteria of the wulashan - type gold deposits

    結果表明,含礦與不含礦鉀長石的吸收光譜有著本質的差異,鉀長石的可見光吸收光譜特徵可作為烏拉山式金礦的重要找礦標志。
  20. Synthesis and spectral characteristics of carboxylation of p - terphentyl

    三聯苯羧基化合成及其光譜特徵
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