譜線分析器 的英文怎麼說

中文拼音 [xiànfēn]
譜線分析器 英文
ectrumanalyzer
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光特性及變異規律,進一步明確了掌握地物光特徵和變異規律是用成像光儀數據提取地物信息的基礎;發現了基於光整體形狀的類方法在很大程度上能夠消除由於傳感、地物目標觀測方向之間的角度變化引起的反射率曲整體平移的「同物異」現象,對于形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被類研究和植被定量反演的重要基礎;像元的導數光可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並了模型的適用性。
  2. The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved

    4 、了fmzi型interleaver濾波的工作原理,其輸出光為類餘弦函數;採用級聯fmzi方案,實現了interleaver濾波的光平頂光輸出;最後,基於偏振光干涉和多光束干涉原理,了bgti型interleaver濾波工作原理,模擬了g - t腔部反射系數r與輸出光的關系,獲得了50ghzbgti型interleaver濾波平頂化輸出光
  3. The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve

    本程序支持3路次聲波傳感信號的數據採集、動態及次聲信號的相關、能計算波源的方位角、波速以及任意時間段的,並實時給出次聲重力波的壓力?時間曲(即p ? t曲) 。
  4. Design of 200mev energy spectrum analytic system of linac in nsrl

    加速系統的設計
  5. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字濾波兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻是以行頻為周期的了重加濾波和梳狀濾波的性能;了視頻泄漏信息截獲的條件;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。
  6. The as - grown crystals were characterization by cutting and directional, x - ray diffraction, high resolution ohmmeter, ir transmission spectroscopy, visible light absorption spectroscopy, scan electronic microscopy ( sem ) and positron annihilate time technique ( pat ). the ir transmittance of czt single crystals grown with cd - riched is about 53 %, while 23 % with no cd riched

    採用解理實驗、 x射衍射、電學性能測試、紅外透過測試、可見光吸收測試、 sem蝕坑、探測的試制等測試方法,並首次採用正電子湮沒壽命方法來研究czt單晶體的空位缺陷,綜合表徵了所生長的晶體的質量和性能。
  7. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行波單極子模型模擬計算機陰極射管顯示電子束,並詳細研究了電子束的加速場,首次給出了其計算公式和實驗測試結果;還提出了一種新的從場點出發的信息電磁泄漏頻方法,實驗證明了其有效性; 3
  8. The epitaxial growths of ingaas / gaas / algaas fundamental material and the fabrication of 45 - deflector are extensively studied in our work. some measuring methods are used to evaluate the growth quality of our grown structure by pl, cv, x - ray double crystal diffraction, sem etc. property analysis are provided for it

    利用高能電子衍射、電化學c - v 、掃描電鏡( sem ) 、 x射雙晶衍射儀、光熒光儀( pl ) 、原子力顯微鏡等多種方法對制備的件進行了檢測,同時對實驗結果進行了必要的
  9. The calibration of a spectrum analyser normally includes checks on frequency accuracy, level flatness, level linearity, input attenuation and calibration reference output

    的校正工作一般包括檢查頻率準確度、功率電平不平坦度、標度性、輸入衰減及參考輸出值的校正。
  10. According to the frndamental and the steps of this method, we cans use the linear regress filter method to make the simulation of the wind load and then we can educe the curve of the time - process wind velocity. after that step, we can get the chart of the dynamic wind load which we can deliver the crosswind into the particle wind load and put them on the corresponding cell nodes. then we can do the analysis of the dynamical wind load through the time - process analysis to get the max value of the displacement

    根據性回歸濾波法的基本原理和步驟,藉助相關軟體進行風荷載的人工模擬並得出風速時程曲,進而轉化為風動力,由此將橫風向風力表達成節點風荷載作用於相應的單元節點上,按時程法對該空間桁架體系進行風荷載的動力,求出結構在進行風動力荷載時,結構相應節點對應的最值位移值。
  11. Space explorers for charge - particles detecting and those for solar x - ray detecting are kernels of space environment monitoring systems for space charge - particles monitoring and space soft 、 hard x - ray monitoring respectively

    本文討論的x射探測標定系統,主要用於實現對x射探測的能標定。
  12. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力的傳輸特性和數字調制技術進行的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬別對時域和頻域下採用dsss技術前後接收信號的頻進行,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論了巴特沃思型濾波的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波加之輔助外圍電路,構造出低壓電力載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制; ( 4 )別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行,驗證了dsss技術對干擾信號的抑制作用。
  13. As a nuclear instrument, multi - channel analyzer ( mca ) is mainly applied to nuclear logging, y - ray spectrum measurement and x - ray fluorescence measurement, which are based on nuclear spectrum analysis

    作為一種核儀? ?多道儀,主要應用在基於能的核測井,射測量和x射熒光測量。
  14. If the focal point of the len shifts around the surface of the sample, the mass ablation, the temperature of the plasma and the spectral intensity appear asymmetric and their maximum occur at the location which is about 0. 4mm under the surface of the sample. ( 2 ) to the plasma of the aluminum alloy sample, when the operating voltage is 1600v, the height from the observed location of the plasma to the surface of the sample is 2mm and the argon pressure is 660 torr, the spectral intensity have the maximum values

    ( 2 )對于標準鋁樣品,在激光工作電壓為1600v 、等離子體觀測高度為2mm 、氬氣壓力為660乇時,其強度最強;以al 308 . 22nm 、 al 309 . 27nm兩條,發現隨著環境氣壓的增大,自吸效應明顯增強,當環境氣壓達到600 - 700乇時,幾乎產生自蝕。
  15. The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method

    摘要利用矢量水聽收集到的聲壓和振速信息,研究基於互單目標的強來進行目標方位估計。
  16. X fluorescence can quickly carry out measurement without damage and motion. it was widely adopted in geology, mining, environmental - protection, archaeology and industrial - analysis. its principium is that in measurement of radioactivity, the pulse energy is directly proportional to pulse signal amplitude detected by the radiation detector

    X熒光方法可以實現快速、原位、無損測量,被廣泛應用於地質、礦業、環保、考古、工業在等領域,其原理是:在核能測量工作中探測輸出的脈沖信號與入射粒子的能量成正比,通過測量脈沖信號幅度,得到入射粒子的能量。
  17. The working principle, characteristics and types of on - line tunable diode laser spectral analyzer are described. its development prospect is discussed

    摘要介紹了可調諧激光二極體激光光的工作原理、性能特點和結構形式,說明了該儀在在過程中的優勢,對其發展遠景作了討論。
  18. The experiment was performed at the accelerator mass spectrometer ( ams ) beam line on hi - 13 tandem accelerator of ciae using the 64cu off - line rnb, so the beam can be analysed and identified by static deflection technique of ams. limited by the deflection capacity of the electrostatic analyser of ams, the maximum incident energy of 64cu beam had to be restricted to 80 mev in the coulex experiment of 64cu off - line rnb

    實驗是在中國原子能科學研究院hil串列加速加速( ams )管道上完成的,利用ams靜電偏轉技術來鑒別束流成份,但是受ams管道靜電偏轉能力的限制,在離放射性核束中最高只能使用入射能量為80mev的的cu束。
  19. Using it, time amplitude converter and pulse neutron generator, the y spectra of 14mev pulse neutrons is measured. utilizing the time difference of several different reactions about the interaction of neutrons and nucleus, the whole spectra and the capture spectra are measured. a method that uses double gate subtracting background to gain the fast neutrons " inelastic scattering y spectra is introduced

    研製了一種性門電路,介紹了它與脈沖中子發生、多道脈沖幅度配合,進行14mev脈沖中子的測量,利用中子和原子核相互作用的幾種反應在時間上的差異,測量了總和俘獲,採用雙門減本底方法得到了快中子非彈性散射
  20. In the foreign country, neutron induced prompt gamma - ray analysis ? ipga was used to analyze the elements in substance and has been used in real production and industry " s analysis on line now. in our country, the method has been studied and used from 70 " s and has been more and more perfect. however, the neutron source they used is the isotope source

    在國外,早已開始採用中子感生瞬發射法( nipga )對物質進行元素,如今這種方法已經應用於實際生產和工業在,國內在八十年代也開始研究、應用這種方法,如今已日趨完善,然而,他們使用的中子源絕大多數仍然是同位素中子源,做為一種可行性實驗方法研究,我們採用脈沖中子發生做為中子源,自行研製的性門電路和多道脈沖幅度相配合,獲取非彈性散射和俘獲,對物質進行元素
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