非反射波 的英文怎麼說

中文拼音 [fēifǎnshè]
非反射波 英文
direct wave
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas

    抗菌纖維具有永久的抗菌性,對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ,能有效抑制細菌繁殖,起到抗菌防臭作用;抗紫外線聚酯纖維的用途也是異常廣泛的,隨著大氣層中臭氧層的日漸稀薄,日光中的紫外線日益增加,對人體皮膚形成極大危害,尤其對于長期從事野外工作的人,因此設法減少紫外線對人體的傷害顯得尤為重要;阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維,紡織品阻燃在許多國家已有明確法令規定,我國也逐漸在某些特殊使用范圍做嚴格要求,如車船內用紡織品,高級賓館的內裝飾織物等,而且具持久性阻燃性的纖維和織物是現在更為需要的,真可謂用途常廣泛;遠紅外纖維也是一種經過物理改性后具有吸收並遠紅外線的新型功能性纖維,是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料,能吸收人體自身向外散發的熱量,吸收並回人體最需要的4 14 m長的遠紅外線,促進人體的新陳代謝;抗紅外線纖維,則在軍事上有著重要的作用。
  2. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個方面: ( 1 )分析了凹面的焦散現象,給出了不同凹面的焦散圖; ( 2 )分析了二維凹面動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹面動場焦散區奇性主要有折疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓錐曲面動場焦散區和焦散區的通用計算公式,並給出了圓柱面、橢圓柱面及雙曲柱面的計算結果; ( 3 )分析了三維凹面動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹面動場焦散區奇性主要有折疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹面動場焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹面動場的計算結果剖面圖。
  3. First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position

    首先,用基於幾何結構的單次圓模型和cost - 207模型,對期望定位用戶的各條多徑信號的達方向和最先到達多徑信號的時間進行約束,將傳統的解無約束的線性最小二乘定位問題或近似線性最小二乘定位問題轉化為解不等式約束的線性最小二乘定位問題;然後,用內點罰函數法估計移動臺的位置。
  4. The dissertation firstly discusses the reflectance of euv and soft x - ray in " multilayer system based on classical electrodynamics and optical characteristics of materials. the nns surface roughness in different spatial frequency range is carefully studied since scattering can seriously reduce the reflectance in euv and soft x - ray wavelength region. we discuss representative model of residual stress in

    首先從材料在極紫外、軟x段的光學特性出發,討論了極紫外、軟x線在理想和理想多層膜系中的特性;研究了影響極紫外、軟x線多層膜率的表面粗糙度的空間頻率范圍;重點探討了多層膜殘余應力的典型模型、應力形成機制以及薄膜的形成過程。
  5. For processing of 3d and 3c seismic data, the reflected p - waves can be processed with the conventional methods, while the reflected converted waves can not be processed with the conventional p - wave processing methods, because their travel paths are asymmetrical, their common midpoint gathers are no longer common reflection point gathers, and their time - distance equation is non hyperbolic

    在三維三分量地震勘探資料處理中,對于資料可以採用常規方法進行處理;而對于轉換資料,由於其傳播路徑的對稱性,轉換共中心道集不再是共點道集,轉換時距方程也不是雙曲方程,因此不能採用常規縱處理方法來處理轉換資料。
  6. The following three parts are included : ( 1 ) the caustic phenomena of electromagnetic wave propagation in concave reflector is studied, and the pictures of caustic fields in different concave reflectors are displayed

    (三)深入討論了凹面動場的焦散現象、焦散區的幾何結構與奇性的特點以及焦散區、焦散區動場的計算問題。
  7. In order to control the polarization characteristics, the phase retardance mirror must be used. additionally, in order to suppress the reverse wave in ring resonator, the phase retardance mirror must also be used to preserve the polarization characteristics of the reflected reverse wave by suppressor. the conventional film stack ca n ' t satisfy the high power coil development requirement

    另外,通過對高功率coil用環行穩腔內倒向抑制的分析表明,為實現倒向的抑制,倒向饋到腔內正向中的部分必須保持偏振狀態不變,否則,起不到倒向抑制的作用,這也需要用到高位相延遲鏡。
  8. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發通道的上變頻系統,可以將c段的微信號上變頻到ka段的毫米信號。系統的本振輸入基頻由一相位噪聲常好的低頻率晶振提供,經過512次的倍頻放大至ka段。本系統作為實驗室中引信的發源,由於目標信號具有時變的多維性,信號變得極為復雜,在信號處理時,不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  9. The design of amorphous photonic material and photonic crystal devicements we design to make a reflecting mirror of cylinder paraboloid of an antenna by using amorphous photonic materials. we calculated the transmission of the mirror and the distribution of electric field by using multiple scattering method. the result shows that it can be used as a reflecting mirror of an antenna

    晶光子材料和光子晶體器件的設計提出了用介質圓柱光子晶體作微天線的柱拋物面鏡,用多重散方法計算了鏡的透過譜,並模擬計算了天線的電場分佈,初步認為可以用晶光子材料作微天線的鏡。
  10. Following a discussion on the application of seismic techniques to the budunhua copper deposit in inner mongolia as well as the achievements gained, the paper points out that the ore - controlling structure can be detected by using reflection events, and the heterogeneuos bodies related to orebodies might be studied by utilizing high - frequency irregular scattering waves

    在對內蒙古布敦花銅礦勘查中的地震方法技術及取得的成果討論后指出,利用同相軸可研究測區的控礦構造,利用高頻不規則散可研究與礦體有關的均勻體。
  11. Conventional seismic data processing method uses hyperbolic equation to describe time - distance formula of reflection wave, error of this equation increases with the increase of heterogeneity, anisotropy and spread length

    常規地震資料處理方法是利用雙曲線方程來描述時距曲線規律,此方程隨著地層均質性、各向異性和排列長度的增加,其誤差變大。
  12. By employing the theory of operator representation, the reflection / transmission operator is decomposed into the form of double domains in the scheme, so it is adaptable to laterally heterogeneous media and fluctuating reflectors, can mimic ava of reflections when the incident angle is less than 45

    文中利用運算元可分表示理論將運算元分解成適合於雙域(空間域和數域)運算的表達形式,使得本文得到的地震數值模擬演算法可適應於一定程度橫向均勻介質和界面起伏情況,在入角小於45時能夠準確模擬振幅隨入角( ava )的關系。
  13. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩長、閾值增益隨激光器內外半徑、 bragg鏡層折率、周期數以及氧化孔徑層厚度、位置和氧化物折率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。
  14. Based on the mesoscopic damage mechanics, numerical code rfpa ( superscript 2d ) was developed to simulate the spallation process of inhomogeneous medium induced by reflection of stress wave under different stress waves ( such as different durations, amplitudes and shapes ), and the behaveiour and mechanism of spallation process were numerically analyzed and discussed

    摘要採用基於細觀損傷力學基礎上開發的動態版rfpa (上標2d )數值模擬軟體,對不同沖擊載荷作用下均勻介質中應力誘發層裂過程進行數值模擬。
  15. The wavelengths of reflectance peaks and vales are got by spectral derivative method in section 3. 3. mechanism of them is analyzed. red tide and normal seawater, as well as some different dominant species of red tide, such as chattonella marina and mesodinium rubrum, can be discriminated by using the wavelength information of second reflectance peak

    3 . 3節運用該方法得出了實驗赤潮水體光譜曲線的兩個峰和一個吸收峰的長范圍,並對其產生機理進行了分析;更為重要的是,利用光譜曲線第二峰的長位置實現了赤潮與赤潮水體的光譜辨別,以及紅色中繞蟲、海洋褐胞藻等不同優勢種類赤潮的識別。
  16. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧泵浦條件下的共線類和類相位匹配的調諧曲線,以及共線類相位匹配調諧曲線;分析了走離角對線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡率的關系;討論了線寬控制的各種方法;研究了利用穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  17. Even with the new kind of display, correlation of reflections is not always as simple as it may appear.

    即使採用這種新型顯示方式,的對比往往亦易事。
  18. This thesis discusses maslov ' s method, wavelet transform and their applications to asymptotic evaluation of wave equations in high frequency fields. the method of solving wave equations in caustic domain by symplectic geometrical theory, and the method of simplifying two - dimension wave equations in slowly varying nonhomogeneous medium by wavelet - transform theory are proposed. the caustics phenomena of electromagnetic wave propagation in concave reflector, the singularities of caustics, and the method of computing wave fields in and far away from the caustics in concave reflector are also discussed

    本論文探討了maslov方法在動方程高頻近似中的應用及焦散區的具體求解方法;討論了用小變換化簡二維均勻緩變介質條件下的動方程;本文還討論了凹面的焦散現象、凹面焦散區的奇性種類,討論了二、三維凹面動場焦散區、焦散區的計算方法。
  19. 4. a 8 - cascaded wavelength - division - multiplexed fiber bragg grating sensor system was interrogated by changing voltage acting on a employed tunable fabry - perot filter, and a feedback loop was introduced to make filter track the shifted wavelength of the sensor. at the same time an unbalanced scanning michelson interferometer was introduced to demodulate sensor signal

    同時為克服查詢某一光柵時,應變引起長漂移導致長偏離f - p透過長,利用一饋控制裝置,使得濾器的透過長自動追蹤查詢光柵的布一拉格長,利用平衡掃描michelson干涉儀對傳感信號進行了高解析度的解調。
  20. This complex mechanism of wave amplification and reflection was a plausible hypothesis, but the equations were too complex to solve exactly except with severe approximations

    這個擴大與動的復雜機制是個可能的假說,但其方程式實在太過復雜,除使用許多嚴密的近似,否則很難精確解出。
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