方向性能 的英文怎麼說

中文拼音 [fāngxiàngxìngnéng]
方向性能 英文
directional property
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 能名詞(姓氏) a surname
  • 方向 : direction; orientation
  1. Because of the circuitous and directional flow of waterways, railways often have an energy advantage over barges

    由於河道迂迴曲折且水流具有,因而鐵路運輸較之水運,常常具有節優勢
  2. It has the good qualities of both tem horn antenna and dipole antenna, less dimensions construction, good direction and higher efficiency. its impedance and radiation are analyzed. good agreements are obtained from experiment and calculation

    這種平面喇叭天線採用了新型的平衡饋電式,結構簡單,良好,同時結合了tem喇叭和振子天線的優點,結構維數低,具有較強的、較高的效率,在uwbsar軌道系統實驗中取得了比較理想的結果。
  3. At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known

    最後,對全文進行了總結,並指出今後研究工作重點。指出:瞬時得到各的投影是此技術實用化關鍵;在獲得溫度分佈信息基礎上,進行必要的假設和推導,同時得到火焰中某特定組分濃度的分佈,這必將進一步我們對燃燒本質的理解;利用好,輻射強度高的激光源代替常規的黑體爐,得到輻射干涉投影圖像,這樣就測量所介紹系統不測量的發光火焰溫度分佈。
  4. The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser

    大功率半導體量子阱激光器是一種優越的發光器件,具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色、相干等特點,廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎,對器件的光學和電學有著重要的影響,生長不出優質的材料體系,獲得高的器件就無從談起,因此,材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。
  5. Among the five kinds of nde ways ( rt, ut, et, pt, mt ), ultrasonic testing technology develops very fast because of its merits such as good orientation, strong penetration ability, higher energy and no harm to human health

    在五大常規無損檢測法中(射線、超聲、渦流、滲透、磁粉) ,超聲波無損檢測因其好、穿透力強、量高以及對人體無害等優點而得到了迅速發展。
  6. The antenna gain, directivity and reflection coefficient are calculated via finite element method in hfss. spline interpolation and polynomial curve fitting are applied to construct diagrams illustrating the capsulation characteristics. some general conclusions of interest are obtained

    探討了各個封裝參數對輸入端反射系數、系數、效率和增益等指標的影響,得到一些規律結論,為射頻振子天線的封裝應用提供了參考的建議,並指出了進一步研究的
  7. During corticofugal inhibition, the percent change of frequency - intensity response area of eftcs had significant correlation with the percent change of that of iftcs. these data suggest that cortical neurons are likely to improve frequency information processing of inferior collicular neurons by modulation of iftcs

    當聲源位由記錄部位對側移同側時,大多數神經元接受的gaba抑制輸入的量增加,與興奮輸入整合后,導致了頻率調諧特差異。
  8. The laser unit, because of its monochromaticity and small divergency, is used as sensor ’ s light source. devices and chips provided with high - speed responsing and processing capabilities are employed. as a result, the achieved uncertainty of time measuring is 125 ps, demonstrating an accuracy improvement in magnitude of an order

    在設計製作中採用了單色好的激光作為光源,選取了高速響應和有高速處理力的一系列器件、晶元,因此時間測量的精度達到了125ps ,比以往的測試法提高了1個數量級以上,速度測量精度達到掃描速度的0 . 1 % 。
  9. Quality can be classified in many aspects : according to horizontal aspect, there are directional quality and energetic quality ; according to vertical aspect, there are nature quality, psychological quality and social culture quality ; according to educational periods, there are basic quality, major quality and specific quality

    素質可以多位觀察:從橫上劃分,有素質與量素質;從縱分析,有自然素質、心理素質、社會文化素質。
  10. The result shows that the pbg structure has obvious character of forbidden band at the suitable size, and can be designed to good performance microwave filter. the pbg structure have the character of high resistance, that can reinforce the forward radiation, and reduce the backward radiation, increase the directivity, improve the gain and ameliorate the performance of the antenna. in addition, the pbg structure can also greatly increase the isolation and significantly decrease the coupling between the antenna elements

    研究結果表面,取合適的尺寸時, pbg結構具有明顯的禁帶特,可以設計成良好的微波濾波器; pbg結構具有高阻特,把這種特用於微波天線時, pbg結構可以加強前輻射,減小後輻射,增大天線的系數,從而提高天線的增益,改善天線的,另外, pbg結構還可以大大提高天線單元之間的隔離度,顯著減小天線單元間的耦合。
  11. According to the analysis of the structure deformation variant direction the structure superposition during late period, and the tectonic stress field and deformation variant field, the cover extended nearly sn direction in early stage ( d - c ), maybe changed the direction in pernian ( especial the late permian ), and developed some new half - graben along sn direction except the succession activity at great fault zone. the direction of compression deformation variant, however, was nearly sn direction in indo - chinese epoch, ne - sw direction in early yanshan movement epoch, nne - ssw direction in late yanshan movement epoch, and transformed from ew to sn direction in himalayan movement epoch

    根據不同構造層中變形及後期構造疊加的分析,對本區的構造應力場及變形場進行了探討,本區蓋層早期階段( d - c )為近南北的伸展拉張,二疊紀(特別是晚二疊世)的伸展發生了改變,除在各斷裂帶繼承活動外,沿南北又新生了一些半地塹。而在擠壓變形時,印支期主要為近南北擠壓,燕山早期為nw - se擠壓,燕山晚期為nne - ssw擠壓,而喜山運動可經歷了從ewsn擠壓的轉變。
  12. Steel plate with through - thickness characteristics

    厚度方向性能鋼板
  13. This paper standards the system and demonstrates the operating rules from two aspects, which are the cost of human resource and the value of human resource. the fifth chapter designs a set of human resource accounting system to present difficulty which will take convenience to the organizations that attach importance to human resource accounting

    第五章主要針對目前應用中無的困難,設計了一套具有一定切實可行價值的人力資源會計制度體系案,以便重視人力資源的組織夠有計劃、有步驟、有重點、有選擇地在會計實務中操作。
  14. New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported

    主要內容包括:在總結決策分析與專家系統規則庫技術的基礎上,提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制,該機制有效的將定量計算和定知識融為一體,將規范的決策分析解題過程與專家系統特有的演化推理法有機結合起來;在多屬效用理論的基礎上,建立了一般形式的復式效用模型,並實用化了全相關乘式效用模型,提供了較完善的通用建模、分析和解釋功:引入了com dcom組件技術,開發了基於組件的widss系統,該系統基於形式化推理機制,易於擴展,夠面多種決策問題,具有較強的通用;建立了遠程多管火箭炮全炮動力學模擬模型,將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中;利用碰撞接觸理論,對火箭彈在定器管內的運動受力情況進行了模擬計算;建立了遠程多管火箭炮箱式發射改進案模型,並利用動力學模擬計算結果在widss系統中進行了評估。
  15. The author of this article also delves into the possible double effects for management brought ablut by the establishment of an improved budget appropriantionsystem. one is thd shift of operational mechanism from micro - management to the strategic and target - oriented management : and the other is to enable the leaders of research institutions to have more power for self - decision in the hope of achieving their goals in reform

    作者探討研究了建立完善預算撥款制度可以產生雙重管理效果,一是轉變機關管理的職,從微觀事務管理解脫出來,考慮一些戰略的重大問題;二是使研究單位的領導有更多的自主權,實現他們的改革目標。
  16. As proved by experiments, combined the method of averaged in the plane and dynamic image capture, the depth resolution can be double improved

    法採用和擇優原則,不僅可以消除毛刺,而且具有很強的智連斷功
  17. The stronger orientation of potential is, the weaker repulsive potential is, and the bigger probability of non - elastic scattering is. the dcs in exciting states is smaller when small angles, and will be bigger when big angles

    非彈散射截面與勢和排斥勢的強度密切相關,勢越強,排斥勢越弱,產生非彈散射的幾率就越大。
  18. Scattering sections reflect some characters of interaction potential in collision systems ; therefore one can get information about interaction from the theoretical and experimental research of collision between atoms and molecules. it is especially noted that non - elastic scattering sections and single rotational - excitation sections give abundant information about orientation and repulsive potential of interaction between atom and molecules, which meant an important way as to fully investigating the interaction between atoms and molecules

    散射截面反映了碰撞體系相互作用勢的基本特,從原子分子碰撞的理論及實驗中夠獲得有關相互作用的信息;非彈散射截面和單個轉動激發截面提供了有關原子與分子相互作用和排斥勢的豐富信息,是全面探索原子與分子相互作用的重要途徑之一。
  19. The studies on the nonthermal radiation of a kind of nonstationary black holes show that it owns the characteristics of direction and the energy extent of the radiation particles varies in different direction, in which aspect can get some new and meaningful results, namely the exact expressions on the maximum energy of the particle

    同時,對一類動態黑洞非熱輻射的研究表明,動態黑洞的非熱輻射具有,在不同的上,非熱輻射粒子的量范圍不同,在這面得出的非熱輻射粒子的最大量的精確表達四) i大學博士學位論文式等內容都是創新的和有意義的結果。
  20. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd法並結合pml吸收邊界條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天線的進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天線的波束收攏很多,並且前輻射的增益大大提高,與普通天線相比,天線的e面和h面圖上前輻射的增益均提高了約6db ,另外,該復合結構天線的系數達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天線的系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天線的相應差值減少了約1
分享友人