譜線對 的英文怎麼說
中文拼音 [pǔxiànduì]
譜線對
英文
line pair-
In this diploma thesis, the statistic and structural characteristic of musical score image is analyzed and synthesized by relevant technology of image project, pattern recognition, mathematical morphology, software engineering, music knowledge, midi and so on. the concept of direction number has been defined, and then the mathematical morphology theory is used to process musical score image and recognize musical information. specialized direction number algorithms are firstly used to preprocess a musical score image and then recognize stafflines, barlines, pitch, note values, clef, etc. finally the musical information of the musical score image is automatically stored in the midi format
本文利用圖像處理、模式識別、數學形態學、音樂知識庫與midi等相關技術,分析與綜合數字樂譜圖像的統計與結構特徵,提出了方向數等概念,對樂譜圖像進行處理,利用直方圖技術與方向數演算法識別譜線、小節線、符乾等樂譜的主要框架,然後用數學形態學理論識別音高與時值,最後根據這些音樂信息,組合成音樂樂譜信息,並自動轉化成midi格式。Influence of quantum interference on profile of atomic sodium emission spectrum
量子干涉效應對鈉原子光譜線型的影響According to the requirements of disign, the system apply mcu at89c2051 to extend 32 keybords, and meantime the system can use battery which can be recharged to supply power. as a whole, the system charact eristic of inputting by keyboard and interacting by chinese characters can display and store spectrum data automatically and accomplish data handling. what ' s more. the system can communicate with other computers by the interface of rs - 232c
同時,為了實現人機交互,系統採用at89c2051擴展了32鍵鍵盤。在系統的供電方面系統可採用充電電池供電。總體來說,系統採用按鍵輸入,漢字人機對話,能自動顯示和存儲測量譜線,並完成數據處理工作,除此之外,系統可通過rs - 232c與其它計算機聯機使用。The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines
( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。The isoelectronic system of gap : n has been investigated extensively in the dilute limit since 1965. thomas et al identified that a series of sharp emission lines in gap : n were due to the recombinations of excitons bound to either isolated nitrogen centers or various nitrogen pair centers
這些譜線來自於等電子雜質n形成的束縛激子態(孤立n中心和nn _ i對)輻射復合產生的零聲子線及其聲子伴線。4 the spectrum of highly ionized cu and ge was investigated by means of the beam - foil technique. by comparison with other experimental data we determined 42 energy levels of cu and 13 energy levels of ge. for the spectrum without experimental data for comparison, they are determined by isoelectronic sequence
摘要4我們採用束箔光譜方法測量高離化態cu和ge束的光譜線,與文獻中的實驗數據相對照,確定了42條cu的譜線和13條ge的譜線,對于無實驗值可對照的譜線,利用理論值和實驗值進行等電子序列證明。The influences of longitudinal phonon and transverse phonon on the softening and broadening in the magnon linewidth are compared, and the influences of the parameters are also illustrated
比較了縱向聲子與橫向聲子對磁振子譜的軟化與磁振子譜線增寬的影響,也討論了各項參數的變化對磁振子譜的軟化與磁振子譜線增寬的影響。The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 , al2o3 , b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze
採用發射光譜儀對進口低溫透明釉進行半定量分析,並用原子吸收光譜儀測定其陶瓷製品的鉛、鎘的溶出量,分析化學成分對鉛、鎘溶出量的影響.結果表明,進口低溫透明釉採用低鉛配方不能解決鉛溶出量的超標問題,只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝,研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含量,對釉的線膨脹系數、熔融溫度和透明度等性能的影響.分析坯料、釉料的線膨脹系數及其相互關系和釉料制備的工藝,研製出優質的1000 1050低溫無鉛透明釉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器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譜是以行頻為周期的譜線;分析了重加濾波器和梳狀濾波器的性能;分析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。We form a ly a line sample from spectra of 19 qsos in the literature. in this analysis, we demonstrate that a proximity effect is present in the data ; i. e., there exists a significant deficit of lines at zabs = zem, within 4h - 1 mpc of the qso emission redshift. and the deficit depends on the rest equivalent width of the lines, with weak lines showing a relatively weaker effect
我們發現所選樣本中確實存在接近效應,特別在z _ ( abs ) z _ ( em )附近距類星體4h ~ ( - 1 ) mpc范圍內, ly森林的線數相對演化規律估計得到的線數缺少很顯著,並且與譜線的靜止等值寬度有關,弱線的接近效應較弱。The contents of metal elements in silk gland and silk fiber of b. mori silkworm have been detailedly analyzed by proton induced x - ray emission ( pixe ), inductively coupled plasma mass spectroscopy ( icp - ms ) and atomic adsorption spectroscopy ( aas )
摘要用不同的測試方法,即質子誘導x射線發射( pixe ) 、電感耦合等離子體質譜( icp - ms )和原子吸收光譜( aas )對桑蠶絲腺體和絲纖維中金屬元素的含量進行了詳細的表徵。The absorption of this radiation in various lines followed by cascade transitions to lower levels might ultimately produce an anomalously high population for the excited levels of these molecules.
在各譜線處對這種輻射的吸收以及接著向低能級的級聯躍遷最終可能使這些分子的激發能級產生異常高的粒子數。The study of these lines led to the bohr atom model and on to our present understanding of the electron hull of the atom as described by the orbital atom model which is the basis of all understanding of chemistry
在對于譜線的研究基礎上,產生了玻爾原子模型,直至現今描述原子中電子殼層結構的原子軌道模型,該模型是今天我們對于化學的所有認識的基礎。6. by comparing the relative intensity between 914nm radiation and 1064nm radiation in nd : yvo4 with different nd concentration. we design a 457nm all - solid - state blue laser as pumping source for qpm - opo
在不同摻雜濃度時, gi4nm譜線與1064urn譜線的輸出強度的相對變化,進廳了半導體激光器泵浦d : yv0 。Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected
在研究時域平移的離散頻譜相位差校正方法和改變窗長離散頻譜相位差校正方法的基礎上,發現這幾種離散頻譜相位差校正法的基本原理是一致的,就是通過時移和加不同的對稱窗進行兩次fft分析,並利用離散頻譜對應峰值譜線的相位差以求得頻率和相位校正量。As an example, we numerically investigated the transport properties of a four - quantum - dot ring. we found that the resonant tunneling spectrum depends on the arrangement of the single - dot energy level, the interdot tunnel coupling amplitude between neighbouring dots, and the tunnel coupling between dots and leads
在數值計算部分,作為體系的一個特例,我們首先詳細的研究了由四個量子點耦合成的量子點環中的電子輸運,確定了三種結構的共振隧穿譜線對單量子點能級的不同組合情況以及相鄰量子點之間的耦合強度的依賴關系。Solar images can be obtained by four telescopes at 13. 0nm, 17. 1nm, 30. 4nm and 19. 5nm respectively. it is important for calibration of eut in orbit selecting a proper spectrum line
四個通道都是在特定譜線對日進行觀測,因此必須選一條公共的譜線經望遠系統對日成像,以便完成望遠鏡在軌校準。Through analyzing and calculating, sensitivity of solar ciii ( 97. 7nm ) spectrum line can meet demand of spectrum line for calibration of eut in orbit. so solar ciii ( 97. 7nm ) spectrum line can be applied to calibration of eut
經過一系列的分析計算,太陽的c ( 97 . 7nm )譜線對eut靈敏度滿足在軌校準使用,因此本文採用了c ( 97 . 7nm )作為在軌校準譜線。The influence of sample ' s matrix, analytical lines of spectra and the background on the test were discussed, and the optimal determination condition was confirmed
討論了基體、分析譜線對測定結果的影響,並確定了最佳的測定條件。分享友人