起偏振 的英文怎麼說

中文拼音 [piānzhèn]
起偏振 英文
polarizing
  • : 起Ⅰ動詞1 (站起; 坐起) rise; get up; stand up 2 (取出; 取走) draw out; remove; extract; pull 3...
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  1. Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab

    並用模態分析的方法,將系統的微分方程模型轉化成了模態模型;研究了狀態反饋和獨立模態方法;進一步完善了軟體界面以及軟體功能;在實際系統中,應用狀態反饋演算法,有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激的一階、二階模態動。
  2. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此,對該站進行了串聯諧分析和並聯諧分析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量高,引湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因,提出了相應的諧波治理措施,包括針對湯6c電容器5次諧波電流含量高的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器(湯sc其餘部分停運)以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  3. Those sensitive parameters making system have negative damping and occur self - excited shimmy are horizontal pulling lever rigidity, tire sideslip rigidity, steering gear rigidity and damping, kingpin equivalent damping, kingpin caster angle, tire drag. and wheel center distance, tire side rigidity, vehicle wheel unbalanced mass, tire vertical rigidity, and distance from kingpin center to the vertical central line plane of tire have great influence on shimmy, but they do n ' t make the system have negative damping. and horizontal pulling lever damping, suspension damping and rigidity have very small influence on shimmy

    橫拉桿剛度、輪胎的側剛度、轉向機剛度、轉向機阻尼、繞主銷當量阻尼、主銷后傾角、輪胎拖距是影響擺的敏感性參數,適當調節某一參數可引系統的負阻尼,使系統產生自激擺;輪距、輪胎側向剛度、車輪上的不平衡質量、輪胎垂向剛度及主銷延長線與地面交點至車輪平面的距離對擺的影響也較大,但不會使系統出現負阻尼;而橫拉桿阻尼、懸架阻尼與懸架剛度對擺的影響很小。
  4. 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用環行非穩腔內倒向波抑制的分析表明,為實現倒向波的抑制,倒向波被反饋到腔內正向波中的部分必須保持狀態不變,否則,不到倒向波抑制的作用,這也需要用到高反射位相延遲鏡。
  5. Due to the vibration and swing of generating units of wujiangdu hydropower station are larger than specifications when its capacity is added, the authors analysis the reasons and provide the measure of weight correction

    摘要針對烏江渡水電站增容改造后1號機組動擺度大的現象,分析了引機組動擺度過大的原因,並提出了配重校正的措施。
  6. Minyu low head screens are horizontal screens to which an extremely powerful linear vibrating motion is imparted by two unbalanced eccentric shafts and weights. the screens ecciciently handle a large amount of materials. resist clogging, and suit best for classifying small granules. some features of the mlh screen are as follws

    動篩-動篩是利用電動激器或心軸心塊作為動源,使物料在動篩篩網上被拋動篩同時向前作直線運動或做橢圓運動及復雜運動,以合理匹配的動篩篩網達到篩分目的。
  7. To study blue - green laser light scattering and polarization status changes in the ocean, is used to resolve the relative problem of optical communication, detection and imaging under water. in the paper, sea water characteristic of absorption and scatter - ing, and intrinsic optical character and extrinsic optical character of sea water are summed up ; the scattering theories of sea water, including rayleigh scattering, mie scattering by spherical particles and polarization theories of mie scattering, are described in detail

    研究藍綠激光在海水中的散射特性以及由散射引的退現象,是為了解決水下通信、探測、成像的相關問題。本文綜述了海水對光的吸收、散射特性以及海水的內在光學性質和外在光學性質;詳細介紹了海水的散射理論,包括瑞利散射、 mie散射以及mie散射的理論。
  8. To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "

    本文結合交通部重點科技項目「港口重機鋼絲繩傳動件高性能技術研究」和上海華港機股份有限公司委託項目「重機焊接捲筒極限壁厚研究」 ,針對重機捲筒傳統設計方法於保守的情況,以薄殼理論和近代力學為基礎,以現代試驗技術為研究手段,對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究,在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上,提出了有別于傳統方法的捲筒強度、穩定性計算方法。
  9. As the experiment results show, multiple reasons led to the offset of oscillating frequency, including diode ’ s nonlinear characteristic, fluctuation of electrical source voltage, traction of load impedance, change of environmental temperature and humidity and the design of circuit

    實驗結果表明多種因素引蕩頻率的移,包括二極體的非線性、電源電壓的波動、負載的牽引、環境溫度濕度變化以及電路板設計方面的因素等。
  10. The optical activity resulting from the anisotropic attenuation of different linearly polarized light is considered, and the attenuation of linearly polarized light lies in the light reflection on the interface and the absorption in the er fluids

    考慮了電場作用下各向異性電流變液對入射線光矢量不同動方向的衰減不同而引的旋光效應(電致旋光效應) 。
  11. When light travels through this system perpendicularly, the light after the first polarizer will divide into orthogonally polarized ordinary and extraordinary impulses. because of the difference between the extraordinary and ordinary indices of refraction of the crystal, after passing the crystal, the two orthogonally polarized impulses will be different in phase

    光線正入射到這一系統,通過起偏振器后的光投射到晶體上時分解為互相正交的尋常光和非常光,兩束光由於折射率的不同經過晶體時會有一定的位相差。
  12. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一,首次利用該種有源區結構制備出不靈敏半導體光放大器,並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬,在不同信號波長,不同信號功率0 - 200ma的注入電流范圍內,相關損耗均《 0 . 9db ,在耦合差損為7db / facet的條件下,最大fiber - to - fiher增益達10db ,無損操作電流為50 - 70ma ,消光比達50db以上,而噪聲指數則低於8db ,最小可達4 . 6db 。
  13. Some conclusions about the length and the splice angle of the depolarizer, the spectrum of the light source and the extinction ratio of the polarizer are obtained. associated with the polarization in the sensing coil and the principle of the pmd analyzer, one method to design the length of the lyot depolarizer has been put forward

    首先,本文分析了lyot消器對完全光與非完全光的消作用,由此得出了關于lyot消器的長度和結合角、光源光譜以及與消器配合的器消光比的一些結論。
  14. This paper analyzes the non - symmetry of elliptic polarization oftwo linear polarized beams, which are perpendicular to each other, caused by their reflecting from a metal mirror. also, it studies the non - linear error created by polarization and how the errors change. the study is very important for improving the measuring accuracy of polarized heterodyne interferometer

    主要分析兩束相互垂直的線光經過金屬反射鏡反射后引的橢圓化的不對稱性,並研究由此產生的非線性誤差的變化規律,這對提高光外差干涉儀的測量精度是極為重要的。
  15. Abstract : this paper analyzes the non - symmetry of elliptic polarization oftwo linear polarized beams, which are perpendicular to each other, caused by their reflecting from a metal mirror. also, it studies the non - linear error created by polarization and how the errors change. the study is very important for improving the measuring accuracy of polarized heterodyne interferometer

    文摘:主要分析兩束相互垂直的線光經過金屬反射鏡反射后引的橢圓化的不對稱性,並研究由此產生的非線性誤差的變化規律,這對提高光外差干涉儀的測量精度是極為重要的。
  16. Because mz interferometric optical fiber gyroscope has bigger nonreciprocal phase, the system thermal stability, polarization noise and the error caused by the fluctuation of light source is particular analysed, some effective methods is proposed such as : using the " quasi - white - light " interferometry and the fiber polish technology accurately to control the fiber length, using depolarization light to minish the polarization error, and using temperature control, optical power control and depolarizer to stabilize the output of the light source

    結合mz干涉式光纖陀螺的存在較大非互易相移的特點,著重從其溫度穩定性、噪聲以及光源波動引的誤差三個方面分析了抑制噪聲、提高檢測精度的方法,提出了:採用「準白光」干涉測量法結合光纖研磨技術精確控制光纖長度差的辦法;採用非光源抑制噪聲的方法;採用溫度控制、功率控制以及消器實現穩定化陀螺光源的方法。
  17. The frequency of the slave laser is not locked to the master laser when the polarization direction of the injected laser is perpendicular to the polarization direction of the slave laser which is free - running. the slave laser frequency shifts toward low frequency because of thermal effect in the slave laser cavity induced by the injected laser

    當注入光方向與從激光器輸出光方向垂直時,從激光器頻率不會被鎖定到主激光器頻率上,但由於外部光注入引的從激光器腔內熱效應,使得從激光器頻率向低頻方向移動。
  18. The experiment proved the adjustments is effective. according to the fact that the structure of the film causes the wavelength shift, we prepared the shift - free polarizers at 1054nrn with plasma - iad

    根據膜層的柱狀多晶結構是引工作波長漂移的主要因素,利用等離子體輔助沉積制備出了中心波長為1054nm的無漂移膜。
  19. Pulsar radio emission is markedly different from other astrophysical radio sources, characterised by extremely high brightness temperature and high degree of linear or circular polarization. the high brightness temperature of the pulsar radio emission implies that the underlying emission mechanism must be coherent. so far there is no widely accepted model for the radio emission. this paper discusses recent developments in studies of the production and propagation of pulsar radio emission

    脈沖星的射電輻射與其他天體物理輻射源有很大的不同,因為它們有著極高的亮溫度和高度的線或圓.極高的亮溫度意味著作用的發射機制一定是相干的.至今尚無對這種輻射普遍接受的模型.本文討論了關于脈沖星的射電輻射產生和傳播研究中的新進展
  20. So lead to their polarization behavior not as good as edge lasers. the paper researched the polarization of vcsel theoretically and experimentally, the main work is as follows : part. without consideration the applied strain and temperature, we resolved numerically the maxwell - bloch equation through four - energy level polarized dynamic model

    通過四能級動力學模型,在不考慮外加應變以及溫度的前提下,對maxwell - bloch方程進行數值求解,研究了隨著注入電流以及各向異性的變化引的vcsel的出射光的強度、頻率和相位變化。
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