極化匹配 的英文怎麼說

中文拼音 [huàpèi]
極化匹配 英文
polarization matching
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ動詞(比得上; 相當; 相配) be equal to; be a match for Ⅱ形容詞(單獨) lone Ⅲ量詞1. (用於馬、騾等) 2. (用於整卷的綢或布)
  • : Ⅰ動詞1 (兩性結合) join in marriage 2 (使動物交配) mate (animals) 3 (按適當的標準或比例加以...
  • 極化 : [物理學] polarization; overpotential; overtension; polarity極化器 polarizer; 極化強度 intensity o...
  • 匹配 : 1. [書面語] (婚姻配合) mate; marry 2. [電學] matching
  1. The outside of this chip adopts boost structure to drive up to seven white leds with the input voltage ranging from 3v to 5v. series connection of the leds provides identical led current resulting in uniform brightness

    電路的電源輸入在3v 5v變,採用boost電路結構升壓,在限情況下最多可驅動七個白光led ,由於led串聯,因此各led電流完全,亮度一至。
  2. A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well

    液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優設計,具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電膜的厚度、不同集流體的選擇、電膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、成制度的影響、成時電池所具有的壓力影響、抽真空的處理、正負活性物質的。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正膜的厚度小於90 m ;根據成時不同抽真空順序,確定正膜中的導電劑的加入量分別為5mass %和9mass % ;負膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的成制度;在成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。
  3. The process is called coarse - to - fine. in the traditional pyramid method, the template is used and unvaried. but in contact - match algorithm the template is varying, which leads to void dropping into local minimal location

    與傳統方式不同,傳統方式中模板一般不變,而接觸演算法中的模板在比較過程中不斷變,並且有避免落入局部小點的優點。
  4. Paint spraying the company introduces ici advanced stoving varnish that has high luster, wearability and antiaging, matching with 2 italian original baking rooms

    公司引進英國ici高烤漆具有很高的光澤性、耐磨性和抗老性,2間義大利原裝進口烤漆房,使噴漆車間的硬體設施無與倫比。
  5. Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically

    並通過k15 + 183工點路塹土質邊坡的各類位移變形的監測成果驗證了該程序的正確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖時間步的應力應變關系,並模擬了與實際測斜管相的測斜路徑,通過對各開挖時間步的模擬計算分析,得到了與實測數據較符合的結果; ( 6 )綜合監測分析成果和限平衡理論計算分析成果,對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優計算分析,取得了較為滿意的結果。
  6. Then, establish electric field and magnetic field matching equation of space and plate wave - guide. program about slice - grating - circular polarization. analyse its transmit characteristic and polarization characteristic

    然後運用單方法建立空間場和平板波導場的電場和磁場方程,編制分析薄片型光柵圓器的程序,得到模擬結果。
  7. On account of qpm can take advantage of the largest element of x tensor, and any interaction with transparency range of the material can be noncritically phase matched without walk - off angle. therefore, the conversion efficiency in longer crystal may be improved

    由於準相位可利用非線性光學晶體最大的二階張量元,在晶體的整個通光范圍內均可實現非臨界相位,在較長的晶體上可望實現較高的變頻效率。
  8. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位技術有其獨特的優勢,可以利用非線性光學晶體的最大二階張量,如ppln 、 pplt 、 ppktp用的非線性張量都是d _ ( 33 ) ,其有效非線性系數高出普通非線性光學介質(如bbo 、 lbo 、 ktp )一個數量級,而且可以人為靈活設計調制周期,通過周期設計其頻率變換范圍可以覆蓋準相位介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非線性晶體的應用范圍,大地提高了頻率轉換效率,已成為非線性光學材料和固體激光器的研究熱點之一。
  9. This thesis focuses the research on the theory and application of the electro - optic effect in the quasi - phase - matching ( qpm ) nonlinear optics based on periodically poled lithium niobate ( ppln )

    本文旨在對電光效應基於周期性鈮酸鋰( ppln )的準位相( qpm )非線性光學中的理論及其應用進行研究。
  10. Here are some references for nrqcd & nrqed : renormalization group scaling in nonrelativistic qcd on the multipole expansion, the qcd heavy quark potential to order v * * 2 : one loop matching conditions on matching calculations

    11下面是非相對論性量子色動力學和非相對論性量子電動力學的一些參考資料:關于多展開的非相對論性量子色動力學中的重整群定標,關于計算的v * * 2階的量子色動力學重夸克勢:單圈條件。
  11. The solution of the interior problem has been obtained by the fem method. ensuring the continuity of the tangential electric field across the aperture plane, the electromagnetic e and h has been gained

    分別採用有限元法和矩量法分析封閉腔體和半無限空間的電磁場,在孔徑面上進行邊界條件,從而得出雙工柵中的電磁場特性。
  12. Srtio _ 3 ( sto ) thin films exhibit a large electric field dependence of dielectric permittivity. the microwave surface resistance of yba2cu3o7 - x ( ybco ) is much lower than that of the normal conductor. the typical value of rs for ybco epitaxial thin film is smaller than 1 m

    在低溫下, srtio _ 3 (簡寫為sto )薄膜具有強烈的非線性介電性質,即:介電常數隨外加直流電場變而變; yba2cu3o7 - x (簡寫為ybco )具有低的微波表面電阻, rs ( 10ghz , 77k ) < 1m ,而且它們的晶體結構相似,晶格常數以及學性質相容。
  13. And then the theoretic technique of import the periodically wave of periodically poled crystals in the process of opo was studied, the theoretical method was realized by using period poled crystal in quasi - phase - matched optical parametric oscillation

    研究了將周期晶體的周期波矢引入光學參量振蕩過程,利用周期晶體實現準相位光學參量振蕩的理論方法。
  14. Compared with the traditional lamp - pumped solid - state lasers, the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency, long lifetime, all - solid - state, small size and little heat effect, etc. of many kinds of dpssls, laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry, mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode

    與傳統的燈泵浦相比,激光二體泵浦固體激光器( dpssls )具有高效、長壽命、全固、熱效應和體積小等優點。在眾多的dpssls中,激光二體( ld )端面泵浦nd : yag激光器在工業中起著重要的作用並得到了廣泛的運用,這主要歸因於nd : yag晶體具有良好的機械和光學特性,而且端面泵浦具有良好的模式,能獲得基橫模激光輸出。
  15. After research surface reconstruction with triangular facets, contours of first layer and the last layer are triangulated with layer separation algorithm firstly. and then the least polar - angle criterion is presented for linking two convex contours, and the method is also given in which non - convex contour is transformed to a set of convex contour. with the splitting and integrating algorithm, the single - to - multi - contour reconstruction with triangular facet has been simplified to one - to - one contour

    首先採用層析式演算法對起始層和結束層中的輪廓進行三角剖分;然後採用最小角法實現兩凸輪廓間的三角片重構,並討論了非凸輪廓變換為凸輪廓的方法;最後,使用分裂與合併技術將單輪廓多輪廓的三角片重構簡為單輪廓之間的三角片重構,最終完成整個骨骼表面的三角片重構。
  16. Due to the unique, stable and live physiological properties of the iris and non - invasive to users, most stable and reliable for identification in practical applications of iris - based system, iris recognition is receiving extensive attention and becoming an active topic in biometrics. as an application - oriented research project, iris recognition integrates mathematic, computer science, optics, electronics and physiology etc. based on wavelet transform, aimed to improve the recognition performance, centered at wavelet - based iris feature representation and pattern classification, we review and explore the iris sequence image quality assessment, iris image pre - processing, iris recognition performance evaluation and several other linked topics. we mainly investigate on the principles and application methodology of wavelet transform for iris feature representation and iris pattern classification methods

    以小波變換技術為基礎,結合圖像處理和模式識別方法,設計並開發了虹膜圖像採集裝置,建立了虹膜識別演算法測試實驗平臺;重點研究了虹膜識別中的小波變換的應用基礎理論與關鍵實現技術;提出了基於小波局部模大值的虹膜特徵表示及其多重識別、基於小波多尺度信息的一維和二維虹膜紋理特徵量表示、基於小波過零點技術的虹膜特徵表示及其規范的部分hausdorff距離識別,這三類方法能夠有效地提取虹膜特徵;基於自建的演算法測試平臺,對上述三類方法和其他三種國內外比較有影響的基於小波變換的虹膜識別方法進行了定量的性能比較和評價,通過實驗數據分析得到了有意義的結論;最後指出了小波變換技術在虹膜識別領域的研究重點與發展方向。
  17. The resonance network is connected to the gate, then the output and input matching network is designed to satisfy the oscillation criteria. then harmonic balance method is used to analysize and optimize the output power and phase noise. to minimize the load pulling effect a buffer amplifier is designed to isolate the oscillator and the load

    本文在場效應管fet柵上加上諧振網路(諧振網路是通過cst模擬得到的,它是串聯反饋迴路,介質工作在te01模,對于其後的fet ,它又相當於一個帶阻濾波器) ,然後設計輸入輸出電路,使電路結構滿足起振條件,之後繼續用諧波平衡法模擬和優,使振蕩器輸出功率合適,相位噪聲很低。
  18. Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers

    其中,在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響;然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗,通過分析它們對振蕩激光腔模尺寸的影響,得到了高功率半導體激光二體端面泵浦固體激光器模式的要求,為高功率連續單頻nd : yvo _ 4激光器的優設計提供了理論依據。
  19. Based on the mode matching theory and the software simulation, the influences on field strength in different polarization modes were studied

    本文在矩形巷道模式理論的基礎上,運用軟體模擬的方法,具體分析了截面尺寸對不同模式下的場強變的影響。
  20. Finally, a compact uwb pulse source composed of pzt95 / 5 ferroelectric ceramic, a 50 coaxial transmission line charged by a pulse transformer, a peaking - chopping switch, a coaxial matched load and a pulse diagnostic system was built and tested, which can produce pulse voltage on a matched 50 load with peaking voltage of 100kv, rising time of 870ps, falling time of 670ps, and fwhm of 1. 410ns

    在上述工作的基礎上,我們研製了一臺以pzt95 5鐵電陶瓷沖擊去為能源的新型緊湊型脈沖發生器。該發生器由pzt9515爆電能源、空心脈沖變壓器、單同軸脈沖形成線、 pc開關、同軸負載和脈沖診斷系統組成,能產生100kv 、上升前沿870ps 、后沿670ps 、脈寬1 4us的超寬帶脈沖。
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