無理色散 的英文怎麼說

中文拼音 [shǎisǎn]
無理色散 英文
irrationa dispesion
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 色名詞[口語] (顏色) colour
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • 無理 : unreasonable; unjustifiable
  1. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本振蕩( weno )格式及其在雙曲守恆律方程中的應用,在此基礎上作了兩個方面的工作:一是針對高頻聲波問題構造出一種基於保關系( drp )的weno有限差分格式,並對計算氣動聲學( caa )問題的代表性算例進行了大量數值實驗,比較了該格式捕捉波數的能力;另外,針對高階weno格式在處euler方程的接觸間斷時精度有所降低的問題,研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表性的密度滑移面問題的算例,得到一致高階精度的數值模擬結果。
  2. The tm mode dispersion equation of the coaxial bwo in the infinite guiding - magnetic field is derived and solved numerically. the dispersion curve, operating frequency, and the growth rate are obtained

    採用線性論推導了窮大引導磁場下的同軸tm模式關系式,並編程數值求解了一定條件下的曲線、時間增長率、空間增長率。
  3. After renovation, the winterless hotel has 200 brand new elegant and renovated furnished rooms and suites : standard rooms, single rooms, executive sunny rooms, double kings size bed rooms and suites. check also the availabilities for our special rooms : ladies furnished room, non - smoking rooms, chinese room, star room, vip room, golden key executive officer room and the room of the champions of the olympic games

    溫特萊酒店客房經過重新裝修,擁有標準間單人角間行政陽光間標準大床間標準套間等全新房型,更推出了女性客房奧運冠軍房煙客房中式客房明星客房金鑰匙執行官房貴賓房等特客房共計200間,是商務客旅遊客人想的休息之所。
  4. Looking at the painting " homesick, " we naturally feel a warm and familiar feeling that brings us back to a wonderfully pleasant peace. all reasoning totally ends, all arguments completely subside. we float into the dream of the current of poems and music formed by color and sound

    觀看鄉愁此靜物寫生,自然有一種溫暖熟悉的感覺,引我們回到極其清靜的境界想完全告終,雄辯消蹤,讓我們滑入彩與音流所構成的詩歌美夢中。
  5. In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis

    本論文研究了具有非相干泵浦的開放v型系統頻率上轉換粒子數反轉激光,利用密度矩陣運動方程,通過論分析和數值計算,得出該系統產生粒子數反轉激光的條件,討論系統各參數的變化和驅動場與探測場的失諧對激光增益、和粒子數差的影響,還討論了頻率上轉換區域的非線性效應,分析了增益的穩定性及系統的瞬態演化過程。
  6. The simulation results have shown that sigvd of the temporal part is observed when the diffraction - free distance is longer than the dispersion length of sigvd. sigvd can be used to compensate the dispersion of medium, and a diffraction - free and quasi - dispersion - free pulsed beam, similar to a spatiotemporal soliton, can be produced in a dispersion medium

    數值模擬的結果表明,只要相應的衍射距離大於空間誘導的距離,空間誘導論可以很好的描述脈沖的演化過程;利用空間誘導可以補償介質,從而可以在介質中實現衍射的類時空孤子的傳輸。
  7. The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out

    對cpa系統的主要環節及關鍵技術進行了研究:掌握了鈦寶石激光器的調節和維護技術,較深入地研究了飛秒激光脈沖產生的機,其中對群速、自相位調制、自鎖模等問題進行了詳盡的分析;總結了超短激光脈沖的測量技術,重點研究了干涉自相關測量法;在總結展寬器類型的基礎上,對象差展寬器進行了論計算、優化設計,提高了展寬倍數;深入論述了脈沖列的選單問題,熟練掌握了脈沖選單技術。
  8. 9. tauari : origin of south america. wooden features : density 0. 75 - 0. 85g cm3 ; timber scattered holes, light yellow core material, texture direct, structural details, strategic uniform with shiny ; no special odor

    木材特徵:氣干密度0 . 75 - 0 . 85g cm3木材孔,芯材淡黃,紋直,結構細,略均勻,具光澤特殊氣味。
  9. Polarizing beam splitter based resonant anomaly and achromatic polarizing beam splitter, narrow - band filters independent of polarization are theoretically designed and analyzed, the optical elements of which are applied widely in integration optics and optical fiber communication

    論上設計和分析了共振異常型偏振分離器、消型偏振分離器和與偏振關的窄帶濾波器,這些光學元件集成光學、光纖通信等中有廣泛的應用。
  10. The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction. in addition high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory and the dispersion relation. furthermore, a class of optical solitary wave solutions, such as the bright - bright, dark - dark, bright - dark, and combined solitary waves are found under certain parametric conditions

    數值研究了源啁啾飛秒孤子間相互作用,提出了抑制該作用的可能方案;用奇異攝動多重尺度導數展開法和關系推導了耦合高階非線性薛定諤方程( chnlse ) ,並用行波變換法得到了一系列孤波解析解,分析了它們在光纖中傳輸的必要條件,也討論了它們的穩定性,為實現飛秒光脈沖在光纖中的畸變傳輸作論上的探索。
  11. At the same time, pass to the jiangjing electric power company procures design of integrating the project, certain a kind of match the heavy celebrates the place the special features, easy to for square power company a management for accepting mode in every locality, complete the group company make use of the market means, becoming current than scatter about, ca n ' t the local charged barbed wire net of the industry scale integrate high - quality property, be used as heavy celebrate municipal electric power system reform of a part, realize fast expansion in property in company in group, betterly the strategy purpose that serve society

    同時,通過對江津電力公司收購之後整合方案的設計,確定一種符合重慶地方特,易於為各地方電力公司所接受的管模式,以便重慶水利電力產業集團公司利用市場手段,把目前較為分法形成產業規模的地方電網整合成優質資產,作為重慶市電力體制改革的一部分,實現集團公司資產快速擴張、更好地服務社會的戰略目的。
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