譜線間距 的英文怎麼說

中文拼音 [pǔxiànjiānjù]
譜線間距 英文
line spacing
  • 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）...
  • 線 : 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...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  • 間距 : interval; separation; spacing; espacement; space; spacing; space length; range; unpack; step
  1. ( 2 ) on - line spectral response measurement is used to make a research on the activation process. the on - line measurement results have been analyzed and the influence excised by cs, o activation on the photoemission property of gaas wafers has been revealed. the properties of domestic and foreign nea phocathodes are compared, and the reasons causing the gap between domestic and foreign phocathodes are discussed

    （ 2 ）利用光譜響應在線測試技術研究nea光電陰極的激活工藝，通過對在線測試的光譜響應曲線進行分析、比較和計算，剖析了激活工藝給陰極光電發射性能帶來的影響，並從性能評估的角度，比較了國內外nea光電陰極的性能，分析了它們之間存在差距的原因。
  2. Based on the study of the fore going ' s, this thesis regards time - cell, time - center and time - distance as the basic elements of urban time structure. secondly, carry out three constructing principles - - " spatial scale " maps " time distance ", maintain basic spatial structures, extrude main time structures. thirdly, summarize four expressing forms of urban time structure of which isotime curve, isotime circle, time contour and time network

    理論探討部分基於前人的研究成果初步確定時間單元/時間細胞、時間中心/時間基點和時間距離為城市時間結構的基本組成要素；提出時間結構構築的三原則： 「空間尺度」映射「時間距離」 、維持空間關系之基本格局、突出表達主幹時間關系；時間結構的表達則從時間結構的形態方面總結出等時線、等時圈、時間廓線圖和網路圖等表達形式；最後提出城市時間譜概念來評價城市時間結構的優劣。
  3. With the rising demand ever, the orbital resource and frequency spectrum resource for gso communication satellite has been almost fully exploited and utilized, by means of cross polarization, multi coverage, and orbital space reduction

    隨著通信需求的增長，人們採用極化復用、空間復用和縮小軌位間距等手段，對靜止衛星軌位和無線電頻譜資源作了接近極限的開發利用。
  4. Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation

    基於分層法的解析演算法，得到了在不同點以及在同一點但不同地質條件下的時程分析曲線、加速度變化曲線和傳遞函數反應譜，結果表明，地基土在x 、 y 、 z三個方向的響應都是隨時間變化的，並且伴隨有明顯的波動現象產生；對于相同地質條件的不同觀察點，距離荷載作用線越遠的地方振幅越小，即振動具有明顯的衰減性。
  5. Theoretical model of self - mixing interference in a linear frequency modulated laserdiode is presented by using the dynamic theory of semiconductor laser with weak external optical feedback. the characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model. the absolute distance from front facet of laser diode to target can be found by measuring spectrum of output power of the laser diode

    使用半導體激光器在弱反饋條件下的動力學理論，建立了線性調頻半導體激光器的自混頻干涉理論模型.基於該模型，分析了激光器振蕩頻率偏移與輸出功率變化特性.通過測量激光器輸出功率譜，可以得到激光器前端面與被測目標之間的距離
  6. The feasibility of taking the gamma ray spectrum as a fingerprint of nuclear warhead is studied. the range of the gamma ray fingerprint could be applied to and the conditions under which it

    我們研究了射線譜作彈頭指紋以判別彈頭類型的可行性、適用范圍以及對探測時間、距離的要求。
  7. In this paper we reported the synthesis of five zirconium proline - n - mtthy ] phosphonate - phosphate of different x value, the structure of them were characterized by ir specirum x - ray diffraction and tg - dsc thermal analysis, it has been found that the samples are highly crystallized with mono phase, the interlaycr distance of zirconium phosphonate - phosphate increase with the increment of x value, when x > l, the interlayer distance increased slightly. the ideal model of x = l of zirconium proline - n - mtthyl phosphonate - phosphate is that organic groups crosslinked with inorganic groups, take up as ababab

    本文報道首次合成了不同x值x = 0 . 25 、 0 . 50 、 0 . 66 、 1 . 00 、 1 . 35的層狀（脯氨酸- n -甲基膦酸-磷酸氫）鋯，通過紅外光譜、 x射線衍射、熱重分析等手段進行結構表徵，研究表明，所合成的混合磷酸鋯結晶度較高，晶相比較單一，隨著x值的增加，混合磷酸鋯的層間距逐漸增大，當x值大於1以上時，層間距的變化較小。
  8. The content of pema affects on interplanar distance of pe / mmt composite. the content of pema increases as the interplanar distance, barrier properties and melting point of composites increased, when the critical content of pema ( wpema = 30 % ) could get exfoliated composites. the interlayer spacing of pe / mmt composites depends on content of mmt, but not the content of mmt increases as the interlayer spacing increases

    同時用x射線衍射（ xrd ）衍射實驗、紅外光譜（ ir ）實驗、差熱分析試驗（ dta ） 、力學性能測試等手段，研究了採用不同的相容劑改善聚乙烯與蒙脫土之間的相容性的情況；相容劑的用量對聚乙烯/蒙脫土復合材料層間距、性能的影響；蒙脫土的含量對pe / mmt對復合體系的層間距影響；以及工藝條件對復合體系的層間距和性能的影響。
  9. When estimating frequency with the fft, the resolution and accuracy are limited by the observation time of the signal, i. e., a / = it. the level measurement accuracy of the fmcw radar is determined by the bandwidth of the transmitted signal

    掃頻帶寬1 . 5ghz ， fft兩條譜線的間隔對應的距離為10cm ，而液位測量系統的精度要求達到1mm ，因此直接利用fft頻譜估計距離顯然無法達到精度要求。
  10. Firstly, fourier descriptor used to describe the object ' s shape is introduced to the extraction of feature of apple ' s shape. the boundary of apple is an obturated curve, distance between boundary point and centroid r ( k ) " is used as a function to express the 2 - d boundary in spatial domain. the fourier transform coefficients of the discrete sequences f ( h ) are spectrum values in frequency domain, and they compose feature parameters of shape

    首次將圖像分析理論中對形狀的傅立葉描述方法引入到對蘋果形狀的特徵提取中，果實邊界是一條封閉曲線，用邊界點到形心之間的距離長度r （ l ）作為空域中對二維曲線的表達函數，離散的函數值序列r （ k ） ~ l的離散傅立葉變換系數f （ h ）就是頻域中得到的頻譜值，可作為形狀的特徵參數。
  11. The most important specification of the level measurement system is the accuracy. the range measurement accuracy of a fmcw radar is strongly affected by the stability and the linearity of the frequency modulation. thus the vco ' s nonlinearity correcting method is discussed

    利用fft （ dft ）頻譜估計頻率精度受fft頻率量化（即譜線之間的間隔）的限制，對應的fmcw雷達的距離估計精度則受掃頻帶寬的限定。
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