計數器光譜計 的英文怎麼說

中文拼音 [jìshǔqìguāngpǔjì]
計數器光譜計 英文
counter spectrometer
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 譜 : 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）...
  • 計數 : count; tally; counting計數卡 numbered card
  1. On the other side, we use the method of optical formation process to introduce two fundamental filtering function in frequency domain of coherence system of awg two optical processors are designed, that is optical signal add / minus and phase filter

    另一方面，運用光學信息處理方法，我們探討了awg型相干系統頻譜區兩類基本的濾波函數的引入，設計了兩種光信號處理器：光信號加減器以及位相，濾波器。
  2. To investigate the practicability of a solar - direct - pumped fiber laser by using a parabolic dish concentrator, the solar power absorbed by the fiber laser and its absorption efficiency were calculated with numerical method based on the characteristics of solar spectrum in outer space

    摘要為了研究拋物面碟形聚光器實現太陽能直接抽運光纖激光器，根據空間太陽光譜分佈特點，採用數值方法，計算了用該聚光器聚集太陽能量抽運雙包層光纖激光器時光纖吸收的太陽能量及其吸收效率。
  3. 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。
  4. This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration

    本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法，實際標定了所用的探測器和單色儀系統，測得了噴氣靶激光等離子體光源的相對光譜分佈，設計出絕對光譜分佈的測量方法，並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統，完成了多層膜反射率測量工作。
  5. This paper describes a new method to select these parameters, including to determine the focus length, relative aperture and field of view of new optical system in design by means of making reference to previous star sensors and their optical systems ; to forecast the acquiring probobility of star sensor in accordance with selected param eters ; to determine the principal design wavelength and spectral coverage by means of integrat ing the spectrum of stars

    本文介紹一種確定光學系統參數的新方法，包括通過參考比較已有星敏感器及其光學系統特性來選取新光學系統焦距、相對孔徑和視場；根據所選取的參數預計星敏感器的捕獲概率；採用綜合恆星光譜方法確定光學系統中心波長和光譜范圍。
  6. At the same time, the simulating results prove that the parameters of the awg designed in this thesis are reasonable and a problem is offered that the insertion losses of different channels of the awg demultiplexer are different

    最後，本文模擬了8x8awg作為解復用器時的光譜響應並且作了一定的分析。模擬結果證明了本文所設計的sxsawg結構參數是比較合理的。
  7. According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum

    摘要基於相干檢測原理設計了一套由單色儀、數字鎖相放大器和計算機聯合使用的透射式偏光鏡消光比智能化測試實驗系統，採用雙頻雙光路分光單探測器接收鎖相放大器分離信號比對法進行源補償測量，克服了光源光強漂移所帶來的影響；實現了可見光區消光比的精確自動測量，而且可以測得近似的消光光譜。
  8. 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-探測波的方法，利用超輻射激光二極體（ 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波段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波長和最大功率后，找出了反向泵浦情況下使c波段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。
  9. 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。
  10. The paper is concerned with the eigen functions of optical fields in dielectrics, the theories of optical waveguide eigen mode, the characteristics of optical waveguides diffracted field, the theories of mode coupling in optical waveguides and the spectral response theories and simulating method for arrayed waveguide grating. in this paper, a set of beam propagation theory based on eigen modes analysis is set up which afforded theoretical basis for designing and analyzing awg devices. experiment of fabricating sio _ ( 2 ) layer by using porus silicon is also carried out in this paper, which is a new method for fabricating waveguide cladding layer

    本文以設計陣列波導光柵器件為目標，對介質波導光場的本徵波函數，光波導本徵模理論，光波導衍射場特性，光波導模式耦合理論和awg器件的光譜響應特性及模擬方法進行了深入研究，建立了一套基於本徵模式場分析的光波導光束傳輸理論，為波導器件的設計提供正確的理論基礎，並嘗試了利用多孔硅生長厚的二氧化硅，用於製作波導包層材料。
  11. This dissertation mainly introduces and analyzes a design of data acquisition system of atomic absorption spectrophotometer based on epp the content of which includes : the basic theory and composition of atomic absorption spectrophotometer construction of particular hardware of the data acquisiton system the features of virtual device driver under windows 9x methods of desining the program via the vtoolsd of numega inc. application program edited by using delphi6 by analyzing the standard sample. the data acquisition system is reliable and feasible, which has been illustrated applied to shanghai hp 3200 atomic absorption spectrophotometer

    本論文主要介紹了一種epp模式的原子吸收光譜儀的數據採集系統設計。詳細闡述了原子吸收光譜原理和儀器結構及具體數據採集系統的硬體實現途徑。同時分析了windows環境下虛擬設備驅動程序的編寫特點，提供了numega公司vtoolsd開發工具下的虛擬設備驅動程序的具體實現方法。
  12. We adopt double alkali cathodal tube 9789qb, which was made by emi corporation in england, as our photomultiplier, whose spectrum ranges between 300nm to 650nm, with less noise counters and single - photon apices, which make it suitable as a single - photon - counter. the disparted - voltage device is designed in a reasonable way and the cooling system of iquefied nitrogen which makes it small in size, simple in structure, easy in processing, cheap in cost and good in performance

    該管型的光譜范圍在300 650nm ，具有暗計數少，有單光子峰的特點，適于做單光子計數器；本文的光電倍增管分壓器設計合理而冷卻系統採用液氮，該系統體積小、結構簡單、加工便利、成本低廉且性能良好。
  13. 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。
  14. In this paper, the research actuality status of zno thin film ’ s structural character, preparation methods and electrical - optical properties is summarized. the effect of sputtering parameters, annealing parameters and doped sb2o3 on the structure, optical absorption and electrical properties of zno thin film is studied by sem, xrd, xps, eds, uv - vis spectrophotometer, hall effect detector, four - point probe electric resistance measurement and direct - current impedance measurement etc. the results of sem, xrd and edx show that zno thin film possesses good processing stability

    本文在綜述zno薄膜的結構特性、制備方法和光電性能等現狀的基礎上，採用射頻磁控濺射技術制備了純和sb _ 2o _ 3摻雜的zno薄膜，採用sem 、臺階儀、 xrd 、 xps 、 uv - vis分光光度計分析、電阻儀、阻抗譜儀等儀器設備分別研究了濺射工藝參數、退火工藝參數和sb _ 2o _ 3摻雜對zno薄膜結構特性、光吸收性能和電學特性的影響規律。
  15. Aiming at four analysis measures - spectrometric, ferro graphic, routine, and particulate counting, the author has established time - sequence model based on fuzzy estimation regulations, tentatively provided analysis standard criterion for failure analysis, and proposed fuzzy systematized model for diagnosis system of lubricant monitoring expert ; employing mathematical methods of fuzzy analysis, the author has established analytical synthetic evaluation model, analyzed the reasonability of analytical measures in lubricating oil and equipment condition evaluation, and provided extraction method model of information regulations for diagnosis system of lubricant monitoring expert by means of analyzing par ameters

    針對光譜、鐵譜、常規理化、顆粒計數四種分析手段，建立了基於模糊判斷規則的時序模型，並建立了輪機油液監控專家診斷系統所需的模糊分類器模型；採用模糊分析的數學方法，建立了綜合分析評判模型，並對各分析手段在潤滑油評定和評判設備狀態時的合理性進行闡述，為輪機油液監控智能診斷專家系統提供了一種通過特徵參數分析與處理，建立的規則信息提取方法和模型。
  16. The theories and methods for high dimensional multispectral data classification with limited training samples are studied, which are parts of important research contents of national 863 hi - tech, 973 project and ministry of education phd fund

    結合國家863計劃項目、國防973項目和教育部博士點基金項目，研究了有限樣本下基於機器學習的高維多光譜數據分類問題。
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