relative band 中文意思是什麼

relative band 解釋
相對波段
  • relative : adj 1 關于…的,與…有關系[聯系]的。2 相對的;相關的;以(他物)為準的,相應的,成比例的 (to) 相...
  • band : n 1 帶,繩;帶形物;箍;箍條;嵌條;鑲邊;鋸條; 〈pl 〉 (法官等的)寬領帶。2 束縛,羈絆;義務;...
  1. Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw, a narrow bandstop filter is designed and simulated, get characteristic of narrow - band bandstop filtering. for example, relative bandwidth 1. 2 %, most attenuation of 48db in band. electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics, siw features high - pass characteristics, so bandpass filters can be composed by combing ebg and siw

    本論文提出了兩種基片集成波導濾波器結構:將傳統的腔體濾波器概念運用於基片集成波導結構,設計出了一種窄帶帶阻濾波器,對其進行模擬,得到了窄帶帶阻濾波特性,如相對帶寬為1 . 2 % ,最大衰減為48db 。
  2. ( 3 ) in the dy - lamp experiments, we study the spectrum distribution of relative - energy. firstly, it is tested by providing bandwidth and the numbers of the band according as a standard of the solar simulator. the result shows it cannot achieve a standard of the solar simulator that the spectrum distribution of the dy - lamp is simulated the solar spectrum ; however, if according as b standard, then it can attain the request of b standard of the solar simulator

    研究了鏑燈光譜相對能量分佈,首先根據a級模擬器提供的帶寬和帶數對鏑燈的光譜能量分佈進行了測試,測試結果表明,利用鏑燈來模擬太陽光譜達不到a級模擬器的要求;根據b級模擬器提供的帶寬和帶數對鏑燈再次進行測試,並與b級的光譜失配誤差進行比較,結果表明,利用鏑燈來模擬太陽光譜可達到b級模擬器標準。
  3. Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density. several novel phenomena can be obtained. the spontaneous emission displays an oscillatory behavior, classical light localization, photon - atom bound state, nonzero steady - state population and anomalously large vacuum rabi splitting. and localized mode associated with a defect site in an otherwise perfect photonic crystals, acts as a high - q micro - cavity

    通過原子上能級與光子頻率帶隙邊緣的相對位置或者光子態密度,可以抑制或增強原子的自發輻射。分析並得到了一些奇異的現象,如自發輻射的諧振子行為、光的局域、單光子?原子局域態、上能級中存在非零穩態原子布居數、類似於真空中的拉比頻率分裂等。
  4. Such control can be realized in case where a atom interact with photonic band gap matericals when the atom is placed in photonic crystals whose density of modes is dramatically different from that of free space vacuum. it was known that control could be achieved by varying the frequency ( which leads to the changes of the relative position of the upper levels from the forbidden gap ) or by varying the photonic density of modes ( dos ) or by varying the intial atomic state

    由於光子晶體具有不同於真空中的光子態密度,原子和光子帶隙材料便發生相互作用,這樣便可以控制原子的自發輻射。改變原子上能級與光子禁帶邊緣的相對位置、材料中的光子態密度或原子初態都可以控制原子的自發輻射。
  5. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強度、同一方向上不同粒子散射的可區分程度來看,在散射式能見度探測儀器中,工作波長介於0 . 86 m 2 m ,探測角度選取前向25度40度時,探測的結果將會是比較理想的。第三部分中,使用超橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。
  6. Fourthly, by an analysis of log - amplitude scintillation due to troposphere turbulent, it is shown that the relative humidity and temperature are the major factor impacted on log - amplitude scintillation, at microwave and millimeter - wave band

    第四,根據大氣湍流理論分析了在微波和毫米波波段影響幅度閃爍的主要因素是大氣相對濕度和溫度。
  7. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數,包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等,提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法,並用實例說明了該方法的應用效果。
  8. I have argued that the smallness of the markets of emerging asia, relative to international capital, has, under the influence of financial globalisation, made them vulnerable to financial instability, to the extent that they had to resort, among other things, to the band aid approach of restricting financial openness

    我曾指出相對于國際資金,亞洲新興市場規模細小,在金融全球化的影響下,金融體系容易出現不穩定的情況,以致它們要採取藥水膠布式的權宜措施,限制金融體系的開放程度。
  9. Gets the relative position of the band within the

    控制項中的相對位置。
  10. The way of widening the band is realized by employing the inverted parasitic patch and the thick and low dielectric constant substance. with this treatment, the relative band of the antenna can be widened up to 20 %. and by adopting the way of two h - slots arranged in a “ t ” configuration, the isolation is improved

    微帶天線的頻帶展寬通過採用倒懸寄生貼片和較厚的低介電常數的介質來實現,經過這樣處理后的天線帶寬可以達到20 %以上;而隔離度的改善則是採用了兩個h形縫隙排列成「 t 」型結構。
  11. The third, some groping researches are made on broadband coaxial line filter output circuit of klystron. a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter, which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron, is designed. meanwhile some analysis of its stability and peak power capacity is made

    第三,對速調管同軸線濾波器寬帶輸出迴路進行研究和探索,設計出了一個適合用於l波段多注速調管、相對帶寬超過14的四耦合槽模強耦合雙間隙腔加載同軸線濾波器輸出迴路,並對其穩定性和峰值功率容限做了一些分析。
  12. Test methods of rare earth three - band phosphors for fluorescent lamps - determination of relative brightness

    燈用稀土三基色熒光粉試驗方法相對亮度測定
  13. In this study, we demonstrate a technique using the multi - temporal c band hh polarized radarsat scansar data to estimate the relative soil moisture change. the experiment data from sgp97 covered a whole range of vegetation growing season and different type agriculture fields

    研究證明,星載合成孔徑雷達( sar )得到的地表後向散射系數與地表介電常數有直接相關關系,從而能夠在水文模型要求的精度范圍內有效提取地表土壤水分信息。
  14. The development of filters, resonators and other telecommunication technology required better dielectric materials. the dielectric materials, used as the resonate body, should be high in dielectric constant, low in dielectric loss and a near zero temperature coefficient of dielectric constant in high frequency band, also could be sintered in a relative low temperature so as to reduce production cost, and what ’ s more, the miniaturization and reliability of materials are also the main aspects in the research work of high frequency band dielectric materials

    隨著濾波器、諧振器等器件以及通信技術的發展,人們對電介質材料的要求越來越高,要求作為介質諧振腔的電介質材料在高頻段下具有高介電常數,低介電損耗,接近於零的介電常數溫度系數,還要求高頻電介質材料能夠在較低的燒結溫度下燒成,以降低實際生產的成本,此外,材料的小型化,高可靠性也是高技術高頻介質材料的重要研究方向。
  15. The properties of spontaneous emission depend not only on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density but also on the relative distance of the atomic space position from the sidebrand. and we study other property of spontaneous emission

    其性質除了依賴于原子上能級與光子頻率帶隙邊緣的相對位置或光子態密度,還依賴于原子的空間位置與側支距離。並對原子的自發輻射的其它特性進行了分析。
  16. There were troubles in the continuity of the function and of its - derivative divided by band - mass on the boundary. in the theoretical calculation, the wave function is relative to the physical properties of the impurity greatly, the envelop function f ( x, y ) is expanded in terms of the one - dimensional linear harmonic oscillator function in this paper. it satisfies the continuity of the function and of its - derivative divided by the band - mass, so it improves the precision of the function and binding energy

    與以往工作不同的是,以前選用的x , y方向電子的包絡函數f ( x , y )是一維有限深量子阱中波函數的乘積,在邊界上波函數的連續性和粒子流的守恆條件存在問題;而在理論計算中,波函數的選取與雜質的物理性質有密切關系,本文選取的電子的包絡函數是用一維線性諧振子的波函數展開而成的,在邊界上能夠同時滿足波函數的連續性及粒子流( 1 / m ~ * ) f ' ( x , y )的守恆條件,從而使得波函數和束縛能的精確度得到了改進。
  17. As for frequency domain, tirls includes mainly 3 frequency bands : ( 1 ) high frequency band with period less than 1 year, which is relative to weather ; ( 2 ) mid frequency band with predominant period 1 year, relative to sun, plant and season ; ( 3 ) low frequency band with period more than 1 year, relative to the crustal activity and long period variation of atmosphere temperature

    從頻率域看,地表熱紅外輻射主要存在3種頻段: ( l )高頻,周期小於1年的天氣變化; ( 2 )中頻,以1年周期為主的太陽、植被與季節變化; ( 3 )低頻,大於1年周期的大氣變化的長周期成份,地殼緩慢的運動引起的熱輻射變化亦屬于長周期變化。
  18. Because of the existence of meiyu precipitating cloud band the temperature dv is faint inside the meiyu trough and on account of large - scale prominent terrain available, significant temperature dv occurs on both sides of the trough, leading to the reinforcement of the subtropical high and middle latitude transformed high, and the deepening and narrowing of the trough in the night with the result that the relative intensity and precipitating function of the meiyu frontal rainfall system are changed at day and night, resulting in precipitation dv

    由於梅雨雲帶的存在,梅雨鋒低壓槽內溫度日變化很微弱;由於梅雨系統四圍高大地形的存在,梅雨鋒低壓槽南北兩側溫度日變化非常明顯,使南海副高和中緯度變性高壓在夜間增強,梅雨鋒低壓槽也在夜間變深、變窄,改變了早、晚時刻梅雨系統的相對強度和降水功能,導致降水日變化。
  19. The relative development mature ( uses the l wave band ) face the digital audio frequency service satellite numeral audio frequency broadcast technology beginning, because designs aims at the mobile subscriber, has solved the mobile subscriber receive numeral audio frequency broadcast problem well

    相對發展成熟的面向數字音頻服務的衛星數字音頻廣播技術(使用l波段) ,由於設計之初就針對移動用戶,較好地解決了移動用戶接收數字音頻廣播的問題。
  20. Meanwhile a valuable conclusion that general cylindrical box type windows with dielectric disks made of al2o3 ceramic can be used to transmit cw of higher power than 120kw and workable relative bandwidth may achieve about 14 % in l band, is made by calculated results of some typical examples

    同時,通過計算一些典型的實際問題得出了一個具有重要價值的結論:在l波段,採用al _ 2o _ 3陶瓷窗片的普通圓柱盒型窗可用於傳輸120kw以上的高功率連續波,並且具有14左右的可工作相對帶寬。
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