超定系統 的英文怎麼說

中文拼音 [chāodìngxìtǒng]
超定系統 英文
overdetermined system
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Finally, the controller working based on the combination of rbf neural networks and traditional pid control was applied to in aclinic kinetic machinery and lifting machinery of tower crane. the simulation of this controller was made using matlab, and the simulation results showed that the control system has some merits, such as quick response, little overshoot, well anti - jamming capacity, and little steady - state error, etc. both the dynamic property and static characteristic of this controller are better than traditional pid controller, and meet the tower crane

    應用matlab對塔機的變幅和起升機構的運動控制進行模擬，模擬結果表明基於rbf神經網路整定pid的控制系統具有響應快、超調小及穩態誤差小等優點，其動、靜態性能優于單一pid控制，從而提高了塔式起重機工作機構的工作性能。
  2. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    系統研究了ba 、甲基丙烯酸甲酯（ mmal苯乙烯舊t ）以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素，結果表明： ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。
  3. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。
  4. At the time of his sale, the governor was contemplating the biggest decision of his career, an end to “ quantitative easing ”, by which the boj had for five years flooded the banking system with excess reserves

    在福井出售其股份之際，這位央行行長正在思忖其職業生涯中最大的一個決定，結束長達5年的日本央行向銀行系統投放超額儲備金的「定量寬松」政策。
  5. The intelligent mine will be the most important weapon system to defend arming helicopter hedgehopping in future war. passive acoustic detection technology is the key technology. with the researching of the national defence pre - researching project which is the research of acoustics compound fuse of anti - helicopter intelligent mine, this paper presents acoustic localization algorithm and discusses the affect of wind to the localization, then a method of how to correct the affect of wind has been studied, upon this a dsp software system has been designed

    智能雷彈是防禦超低空飛行的武裝直升機的重要武器系統，而被動聲探測技術是其關鍵技術，本文結合「九?五」國防預研項目「反直升機智能雷彈聲復合引信技術」的研究，對空間目標聲定位演算法和風對被動聲定位的影響及如何對這種影響進行修正進行了深入分析，並在此基礎上設計了dsp軟體系統。
  6. The intelligent mine will be the most important weapon system to defend arming helicopter hedgehopping in future war. passive acoustic detection technology is the key technology. with the researching of the national defence pre - researching project which is the research of acoustics compound fuse of anti - helicopter intelligent mine, this paper presents two type of acoustic localization algorithm, emphasizes the discussion of algorithm and presicion of space acoustic localization with sensors at different height in detail and compares them

    智能雷彈是防禦超低空飛行的武裝直升機的重要武器系統，而被動聲探測技術是其關鍵技術，本文結合「十?五」國防預研項目「反直升機智能雷彈聲復合引信技術」的研究，對兩種空間目標聲定位演算法進行了深入分析，重點討論了空間高低陣定位演算法，分析了定位精度。
  7. The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury

    研究內容主要有：廣州市河涌沉積物及底棲生物體內重金屬含量及評價；汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價；汞對劍尾魚鰓和肝臟中抗氧化系統的毒性，包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用；汞對劍尾魚組織生理毒性即：汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。
  8. The visx star star 4 combines the technologies of customvue wavescan aberrometer, activetrak 3 - d active eye tracking, iris registration, variable spot scanning and variable repetition rate to provide customized wavefront treatment. in the past, standard lasik corrects refractive errors, such as myopia, hyperopia and astigmatism which are so - called low order aberrations

    威視visx star 4是結合前波前像差分析儀3d眼球主動追蹤系統虹膜定位系統ir iris registration及智慧型超微光斑等技術去提供個人化激光矯視療程。在過去，標準lasik可解決近視遠視及散光等所謂低階像差問題。
  9. The control system, machinery and magnetic structure of giant magnetostrictive inchworm motor ( gmim ) have been designed based on the controlling theory, characteristic of giant magnetostrictive material and performance index of the subject. the mathematic model of the inchworm motor has been founded and the simulation of characteristic has been carried out

    根據自動控制原理，結合超磁致伸縮材料的磁特性，按照課題給定的性能指標，對超磁致伸縮爬行電機的機械結構、磁路結構和控制系統進行了初步設計；建立了整個電機系統的數學建模，並對系統特性進行了模擬分析。
  10. 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
  11. In the thesis, the general situation of the domestic and abroad developments in the field of the numerical control interpolation algorithm for aspheric surface machining is reviewed firstly, for the poorness of recent numerical control interpolation algorithm, an numerical control interpolation algorithm that based on the genetic algorithm ( ga ) and neural network ( nn ) is introduced

    在數控系統中，它是生成加工軌跡的一個最基本的子程序，在很大程度上決定了數控機床的加工精度和最大進給速度。本文首先綜述了國內外非球曲面超精密加工中所運用的插補演算法的發展概況。
  12. Small amplitude approximation and dynamic stabilities of a strained superlattice

    小振幅近似與形變超晶格系統的動力學穩定性
  13. Study on pressure stability of ultrahigh - pressure water jet system

    超高壓水射流系統壓力穩定性研究
  14. Over - determined system

    超定系統
  15. Under different conditions, for example, with variable additional resists or system parameters, the system applies the variable structure controller to adjust the speed system with train. the results of simulation show the variable structure control can achieve a fast response, high stability under parametric variations and disturbances, with no overshoot. additionally, it has stability for the adjustment speed of atcs and provides the comfortable speed, for the travelers, and improves the system performance

    採用變結構理論分析在不同情況下，如附加阻力變化，系統參數變化等，模擬滑模變結構控制器控制的列車自動調速控制系統，模擬結果表明，滑模變結構控制的列車自動調速控制系統能實現速度響應快、無超調，系統對參數的攝動和外部干擾不敏感，實現列車自動控制系統的速度調節的穩定性，保證旅客的舒適，改善了系統性能。
  16. The validity of the subsection simulation method is proved, in which postprocessing technology is widely used. the sixth, the static simulation is neces sarily to find out the dynamic system ' s initial state for dynamic simulation. the gun is looked upon as a hyper - equilibrium structure, and a so - called " parallel projection method " is brought forward for the gun ' s static simulation

    提出了一種求解線性方程組的方法?平行投影法，針對adams對超靜定系統靜態分析不力的情況，研究了求解全炮靜態問題的途徑和方法，並應用平行投影法求解車體懸掛的初始平衡力，求得了較符合客觀事實的解，從而完成了火炮發射前的靜態分析。
  17. Make sure the path is not longer than the system - defined maximum

    確保路徑長度不超過系統定義的最大值。
  18. The guaranteed cost control problem of robust stabilization and robust performance for uncertain systems which is described by 8 operator is discussed in this paper. the condition of existing guaranteed cost controller is analyzed and proved in which the method of linear matrix inequality ( lmi ) is used. a output feedback controller of the uncertain discrete time system described by 6 operator is designed, which guarantees the system is quadratic stabilization

    採用線性矩陣不等式（ lmi ）處理方法研究了delta運算元描述的不確定離散系統的輸出反饋保成本控制問題，設計了輸出反饋控制器，使得閉環不確定系統不僅是魯棒穩定的，而且對所有允許的不確定性，給定二次型性能指標的閉環性能值不超過某個確定的上界。
  19. You can attach a file on the new thread and post reply pages with the upload field

    附件不能超過系統限定尺寸，且在可用類型的?圍內才能上傳。
  20. The system based on pid control theory has characteristics of fast response speed and higher peak overshoot, and it also has a good performance of tracking, but it is lack of ability of disturbance rejection. because smvs control method is insensitive to the variations of the model parameters, nonlinear and exterior noises, the attitude stabilization system designed based on smvs has fast response speed, higher ability of disturbance rejection and has no peak overshoot, namely, the system is robust

    模擬結果表明，基於pid控制規律設計的系統具有響應速度快但超調大的特點，系統的跟蹤性能較好，但抗干擾能力較差；滑模變結構控制方法因為其對模型參數的變化、非線性和外擾噪聲的不敏感性，設計的聲納基陣姿態穩定系統無超調，響應速度快而且抗干擾能力強，具有很好的魯棒性。
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