最佳束 的英文怎麼說

中文拼音 [zuìjiāshù]
最佳束 英文
optimum beam
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • 最佳 : the best; optimum
  1. Optimum beamforming algorithm for pre - fft ofdm adaptive antenna array

    自適應天線陣的成形演算法
  2. From the efficiency curves, we can obviously see that it has the fittest length of crystal and the power of pump if the other condition is determined

    提出了在雙諧振時,平面波和高斯光在一定的泵浦條件下,都存在長度、泵浦強度的問題,並對其進行了計算機數值模擬。
  3. Abstract : the rules of ganssian light beams extended by lens are disscussed firstey, and the relation between the optimum waist extended and focal distance of the lens are found out

    文摘:首次討論了用透鏡來擴展高斯光的一般規律,找出了擴展腰與透鏡焦距的關系
  4. 3. introduced the principle of phase - match and the optics characters of ktp 、 lbo and other nonliner crystrals, demonstrate the optimal focusing conditions. based on a detailed analysis, ktp and lbo are selected as shg and thg cystal, respectively

    3 .簡單介紹相位匹配原理和非線性晶體的選擇介紹了一些紫外晶體的光學特性,並闡述了光聚焦條件,經過分析和綜合評價,選擇了ktp和lbo分別作為倍頻晶體及和頻晶體。
  5. Hongni comfortable soft cotton series uses the newborn fabric which contact to your skin comfortablely, it makes your underwear soft, light and lenitive. it feels like your second - layer skin. comfortable inmost life

    紅妮舒身柔棉系列新品採用與肌膚親和力的全心面料,是內衣柔韌、輕盈、潤澤,猶如第二層皮膚,擺脫縛的羈絆,舒適心生活!
  6. Pink rose flower bouquet is the best present for your beloved or a birthday girl. the price is affordable. this item will give you a exclusive blank card for free

    粉紅玫瑰小花,以無忘我作伴花,送給你心儀的人或生日女孩的禮物。價錢經濟,隨花付送獨家心意卡一張。
  7. The results were then applied to solve the centrosymmetric structural dynamical model updating problems. the optimal solution was entreated for the given pencil of matrices

    然後,將結果應用於中心對稱結構的動力模型修正問題中,對給定的矩陣,求出滿足特徵方程且具有中心對稱特性的矩陣逼近。
  8. The connection between the torque and the polarized charges is established. on the base of mathematical model of torsional effect, using multivariate unrestrained nonlinear optimization method, we research cutting angles and parameters of crosssection to get best torsional sensitivity

    在建立石英晶體扭轉效應模型的基礎上,應用多變量、無約非線性優化方法對于晶體切型、截面形狀等參數進行了優化,以獲得扭轉靈敏度。
  9. This paper carries out study on corporate governance based on system theory, advances concept of corporate governance, analyzes and abstracts system core of corporate governance from the point of mechanism by means of study on environment energy - rank principle, running mechanism and model of corporate governance. this paper analyzes mechanism of stimulation and restraint by using game theory, verifies effect of stock right structure on efficiency of corporate governance in view of connection between capital and corporate governance, gives method of resolving optimum stock right limit of collection and deconcentration and adventure share model of blending capital, and discusses problem of entrance of stakeholders to corporate governance etc. at last, according to system theory of corporate governance studied, this paper analyzes governance system of chinese state - owned and its effective factors, and advances complete countermove idea of corporate governance system

    本論文以系統理論為基礎對公司治理結構進行了研究,提出了公司治理結構系統的概念,分析提煉出了公司治理結構系統核,並通過對公司治理結構系統環境、系統能級原理和系統運行機制與模式的研究,從機制的角度分析了公司治理結構系統運行模式;運用博弈論對公司治理過程中的激勵約機制進行了分析;針對資本結構與公司治理結構的關系,運用模型驗證了股權結構對公司治理效率的影響,給出了求解股權集散度的方法和融資風險分擔模型;探討了利益相關者介入公司治理結構的問題等等。
  10. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了陣元分佈方程,分別對陣元無方向性和等加權時的分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的分散式陣列進行了分析,推導了天線方向圖旁瓣包絡、波寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。
  11. Finally, the characteristics of ion curren extraction in different conditions are simulationed with magic software, and the parameter of best emission surface is obtained

    後,採用magic程序對高頻離子源不同引出參數下的流引出特性進行了數值模擬,得到了獲得的引出離子所要求的等離子體發射面參數。
  12. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  13. Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals

    智能天線技術是目前通信和信號處理等領域的研究熱點,自適應波形成演算法的研究是智能天線的一個關鍵技術,它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波,在干擾信號方向產生較深的零陷,是實現用戶信號接收的有效方法。
  14. In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb

    在焦平面上,聚焦中空光的dss越小,光學勢越大,相應的失諧量越大,這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡,而且還可以減少在聚焦中空光中原子的自發輻射和光子散射效應。
  15. 1 ) the principles of various rotary - type transplanting mechanisms of high - speed rice transplanter had been studied, and the subjects for further research - - studying their dynamics characteristics to improve their dynamics performance and further to enhance the efficiency were put forward. an innovative idea of two - stage - optimization for dynamics analysis was presented in the paper. the creativity of the idea was that the kinematics optimization ( first stage optimization ) results were the constraint for dynamics optimization ( the second stage optimization )

    本文主要的研究內容和結果如下: 1 )研究國內外各種類型的旋轉式高速水稻插秧機分插機構的工作原理,指出尚待研究的問題? ?研究其動力學特性,以改善動力學特性,進一步提高插次;為此提出了動力學兩級優化的創新性思路? ?以運動學優化( 1級優化)得到的機構參數范圍作為動力學優化( 2級優化)的約條件,終得到的參數不僅能滿足運動學的要求,又具有的動力學特性。
  16. Condoleezza rice says the best way to end the bloodshed is to augment the african union contingent already there

    賴斯說,結流血沖突的方式是擴大已經部署在那裡的非洲聯盟駐軍的規模。
  17. The slope geometry is variable quantities, and the reliable safety and reliability are main limiting factors. according to the above factors, a optimized model for designing high loess slope is established. this model ' s concept is precise, and its physical meaning is confirm, people who do designing work can see this model as a means

    後,為了使邊坡設計獲得工程效果,本文在崔政權建立的優化公式: c = a + pf ? b的基礎上,全面考慮施工造價和風險造價,運用數學原理和優化理論,用費用?效益分析方法,以小總期望造價為目標函數;以坡型、坡比為設計變量,以安全可靠為主要約條件,建立了黃土高邊坡的優化模型。
  18. In the study of payment management, it is analyze the economic responsibility distribution system of the task linking with wage. this system extremely arouses the enthusiasm of work in the whole enterprise and achieves the best economic benefit through the check combining stimulation with restriction

    在薪資管理體系的研究中,採用了「業績掛鉤工資」的經濟責任制,通過激勵與約相結合的制度,充分激發廣大員工的工作積極性,使企業獲得的經濟效益。
  19. The best pacing region of right bundle branch block

    支阻滯的起搏點研究
  20. When nals was used as the collector in the process, the optimal conditions were the ph of feed solution 5. 0 - 6. 0, air flow rate 100ml / min, the liquid column depths 20cm, the surfactant concentration determined by its cmc and feed concentration. under this condition, the 3 can be above 20. also, the optimal ph ( 5. 0 ) was calculated theoretically for the recovery of the cu ( ii )

    對以十二烷基硫酸鈉為捕集劑的泡沫吸附分離過程的工藝參數進行了研究,並得出本分離系統所確定的工藝參數為: ph5 . 0 6 . 0 ,氣體流量100ml min ,液位高度20cm ,表面活性劑濃度由其臨界膠濃度和原料液濃度確定,此時(濃縮比)可達20以上;同時還從理論上推算出泡沫吸附分離銅的ph值范圍為5 . 0左右。
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