無載穩定性 的英文怎麼說

中文拼音 [wúzǎiwěndìngxìng]
無載穩定性 英文
stability unloaded
  • 無 : 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...
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 穩定性 : antiwhip
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. Because uav is smaller and lighter than normal plane, the miniature aerial rs system is easily effected by wind, its " stabilities of position and stance are not good. because the load of uav is so finite, the large professional aerial photogrammetry camera can not be installed

    微型無人機遙感由於受到無人機平臺體積小、重量輕、任務載荷有限等因素的制約，在飛行作業中傳感器位置和姿態受氣流影響大、穩定性差，而且目前是非專業攝影機成像，這些都大大增加了其影像幾何糾正處理的復雜性。
  2. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果
  3. The novel vertical carrier - free linear cluster system phoebus for the economical deposition of amorphous and microcrystalline silicon light absorbers by pecvd ideally combines the strengths of proven vacuum production platforms to precisely focus on the needs of solar cell producers : process stability, productivity, yield, footprint, costs of ownership

    新的立式無載體線團系統」菲波斯」 （ phoebus ） ，以pecvd方法經濟地鍍膜無定形的和微晶硅吸光體，理想地結合各種證明可靠的真空生產平臺的優點來精確的聚焦于滿足太陽能電池生產者的需求:工藝的穩定性，生產效率，合格產量率，佔地面積和擁有運營的總成本
  4. In order to take the influence of the internal force from translation into consideration, the design of in - plane buckling of unbraced frames adopted a new second - order elastic method to calculate the structural internal force, e. g. the imaginary horizontal loads method

    為考慮變形對內力的影響，對無支撐框架的平面內穩定計算提出採用假想水平荷載法進行二階彈性內力分析，以與國際上鋼結構設計相接軌。
  5. Through the implementing of kernel level file and cache mechanism at the client side, this newly proposed distributed network file system provides seamless network file access and reduces the performance decline caused by network transmission. utilizing the concept of logic block server, it provides the reliable data block storage and implements redundant storage capacity. utilizing the concept of the index server, it provide s the cost of the greatly for server and network during data access process and realizes the computing with balancing capacity

    在客戶端通過實現內核級文件的調用和緩沖機制，實現了文件的無縫網路存取，並減少由於網路傳輸帶來的性能下降的影響；利用邏輯塊服務器實現邏輯塊的冗餘存取，實現數據塊的安全存放；利用索引服務器進行負載均衡計算，實現資料存取的較低網路和服務器開銷；利用索引服務器實現服務器組的零管理，使該系統具有高效性、穩定性和可伸縮性。
  6. Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate

    有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性，同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點，是一類很有潛力的靈巧材料，並且可以根據目標反應的要求進行分子設計和優化篩選，在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心，可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。
  7. The experimental study and numerical simulation have been done aiming at the problems of dieless thin - walled tube forming under combinatory action of internal pressure and axial force and loading control stability

    摘要針對內壓和軸壓共同作用下的薄壁管無模內高壓成形及加載控制穩定性問題進行了實驗及數值模擬。
  8. The main contents include inherent vibration feature, stability characters, effect of geometry non - linearity and the tower obliquity, impact of system different temperature and local different temperature etc. the result in the article will provide the design references for the project of no back - stays & inclined pylon cable - stayed bridge

    本文的主要工作有:介紹無背索斜塔斜拉橋的自振特性，全橋模型在荷載下的穩定性特徵，結構幾何非線性的影響，斜塔傾角對結構的影響，體系溫差和局部溫差對結構的影響等。
  9. With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance

    在參閱了大量文獻的基礎上，分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦，經原子力顯微鏡測試，獲得的超細二硫化鉬的粒度平均在800nm以內，納米銅粒子平均粒度約為30nm ，表面修飾納米二氧化鈦平均粒度約為40nm ，在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性，結果表明：在合理的添加濃度范圍內，超細二硫化鉬在低載時具有優良的減摩抗磨性能，納米銅在高載時具有比較好的減摩抗磨性能，表面修飾二氧化鈦粒子因具有有機與無機復合物的特性，從低載到高載都保持穩定的減摩抗磨性能。
  10. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。
  11. As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory

    為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高
  12. Most of current gsm public phones have their limitations, such as single function, upgrade with difficulty, xi ' an icechina co. ltd brought forward a new solution based on 32 - bit embedded system. the solution has it advantages on stability and expansibility, and implement remote code download, which greatly reduce maintenance cost

    現有的gsm無線公話多存在性能單一，不易升級，不易維護的問題，在此基礎上，西安易安信科技股份有限公司提出基於32位嵌入式系統的gsm無線公話解決方案，該方案具有穩定性好，易於擴展等優點，並且實現遠程代碼下載，極大降低維護成本。
  13. The article describes the shape of wind load on the radome surface and analyzes the internal force of the radome with nonmomental theory of shell, stresses and stability with theoretic formula, equivalent modulus of elasticity and thickness of a - sandwich - composite structure

    摘要針對雷達罩易受風荷載作用發生破壞的情況，本文從截球形雷達罩表面的風荷載分佈形態出發，採用無矩理論對雷達罩內力進行了分析計算，從理論上對模型進行了強度和穩定性分析，並著重闡述了a型復合材料夾芯結構的等效彈性模量和厚度的計算方法。
  14. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。
  15. Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively

    其次，由於一直以來藍光oled器件的研究處于相對落後的狀態，其發光亮度、效率、穩定性和色純度都無法綠光器件相比，所以本論文在以下幾個方面對藍光器件的性能進行了系統的研究: 1 ）研究了雙異質型藍光oled器件，由於本研究引入了空穴阻擋層，使得載流子的復合和激子的擴散被限定在發光層內，器件的發光效率達到了1 . 90lm / w ，最大亮度達到了10000cd / m2 ，比傳統結構器件的效率和亮度提高了約一個數量級; 2 ）制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件，研究發現，當改變各有機層厚度時，器件的電致發光光譜發生了從綠光到藍光的移動。
  16. The entire drive mode adopts hydraulic + machine drive, enables the workover units & truck substructure of the rig achieving flexible stepless speed regulation ; the cat engine and allison transmission matches rationally, reliably, highly efficiency, firmly which raises the utilization ratio of engine capacity

    整體傳動形式採用液力+機械驅動，實現了修井機的修井裝置和載運車底盤的柔性無級調速；卡特匹勒發動機與阿里遜力傳動箱匹配合理，安全、高效、穩定，提高了發動機的功率利用率。
  17. One of the practicing methods is sol - gel technique, which has been widely used to incorporate a variety of organic and organo - metallic molecules in inorganic host. this paper reports the successful preparation of mpc molecules doped silica gel glass composites obtained by sol - gel technique. the composites are transparent and homogeneous with required optical quality

    而從實用化的角度來看，選擇理化性能穩定、光學性能好的無機介質作為金屬酞菁配合物的載體，不僅對酞菁本身的穩定性，而且對實現酞菁分子的材料化進而器件化有重要意義。
  18. An important issue to be addressed for the successful application of mpc in optical area where will find interesting application is represented by their incorporation in a matrix to fabricate a solid state system. one of the practicing methods is sol - gel technique, which has been widely used to incorporate a variety of organic and organo - metallic molecules in inorganic host

    從實用化的角度，選擇理化性能穩定、光學透明性好的無機介質作為金屬酞菁配合物的載體，制備無機基質酞菁摻雜復合固態材料，不僅對酞菁本身的穩定性，而且對實現酞菁分子的材料化進而器件化有重要意義。
  19. Local buckling capacity of steel composite beam subjected to combined bending, shear and patch loading is one of key problem in steel structures design. the computational formula for local stability of web was based on the assumption of infinite - elastic perfect plates in the steel structures design code ( gbj17 - 88 ). but in the revised code ( gb50017 - 2003 ), this formula was made big change with reference to british code ( bs5950, partl ) and australian code ( as4100 ), the related research result of our country was included as well. in the modified formula, influence of early geometric imperfection and elastic - plastic buckling stage were considered, which is compatible with both actual circumstance of engineering and the strength formula of beams under bending stresses ( considering partial plasticity of the section ). in this paper, the preceding problem is deeply analyzed and studied, considering the effects of various geometric parameters and stress combinations on buckling critical stress of web, the revised local buckling correlative formula for transverse and longituded stiffened web panels under combined stresses is analyzed and verified by finite element method

    組合鋼梁腹板在彎、剪及局壓復合應力作用下的局部屈曲承載能力是鋼結構設計中需考慮的問題，新的《鋼結構設計規范》 （ gb50017 ? 2003 ）對此部分內容作了較大改動，原規范中關于腹板局部穩定的計算公式是基於無限彈性的完善板假定；新的規范則參考了英國規范（ bs5950 part1 ）及澳大利亞規范（ as4100 ）並結合我國相關研究成果，考慮了屈曲進入彈塑性階段以及初始幾何缺陷的影響。這不僅與工程實際情況相符，而且也與鋼梁在彎曲應力作用下允許截面部分進入塑性的計算公式相協調。
  20. The contactless measuring method based on the hall effect combines excellent switching accuracy with high stability, even under high load alternations

    基於霍爾效應的無觸點測量方法結合了極高的開關精度和即使在高負載變化下也具有的高穩定性。
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