非可行狀態 的英文怎麼說

中文拼音 [fēihángzhuàngtài]
非可行狀態 英文
nonfeasible states
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • 狀態 : status; state; condition; state of affairs: (病的)危險狀態 critical condition; 戰爭狀態 state o...
  1. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變,各向異性,均勻、色散的復雜介質。為了保證依賴于電離層進的短波通信質量,必須了解電離層的實時信息。高頻返回散射探測以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的,對短波通信和天波雷達工作起了重要的輔助作用。
  2. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛線性追逃模型簡化為線性模型,以捕獲半徑的圓域定為目標集,確定目標集邊界上的用部分,並以此為各變量的起點,對時間進倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略時相對運動的軌跡和推力。
  3. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是:當車輛滾翻時, rops能刺入未凍土壤而阻止車輛的進一步滾翻,降低滾翻的車輛對系著安全帶司機軋傷的能性;保證rops在碰撞和沖擊變形不大的地面(如凍土、混疑土上、巖石)時,能具有相當大的抗連續沖擊能力;當車輛已經處于顛覆時,已經變形的rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件的布置方式要能遮蔽墜落的物體(如,樹木、巖石等) ,以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定,對大型推土機傾翻和落物保護裝置進研究,在理論分析的基礎上,通過建立rops fops的力學分析模型,推導彈性、彈塑性階段rops fops變形的計算公式,建立一套的rops fops的線性有限元分析計算方法。
  4. So, basing on the chaotic theory we look sea clutter as a chaotic system, reconstruct the phase - space of sea clutter to forecast and eliminate the sea clutter

    由於神經網路對任意線性函數進模擬的特性,用海雜波模型數據對神經網路進訓練,重建海雜波的預測方程。
  5. Aiming at the nonlinearity of state and measure equation and measurement being only angle information, which results in poor observability and classical estimate methods such as extended kalman filter not converging, the boost phase states and covariance are estimated using unscented kalman filter ( ukf )

    針對方程和觀測方程都是線性方程,觀測量只有角度信息,造成觀測性弱、經典的濾波演算法如擴展卡爾曼濾波方法不易收斂的問題,利用unscented卡爾曼濾波ukf演算法對主動段進和協方差估計。
  6. This paper investigates the closure property of sublogarithmic space - bounded 1 - inkdot alternating pushdown automata with only existential universal states, and shows, for example, that for any function l such that l loglogn and l o, the class of sets accepted by weakly strongly l space - bounded 1 - inkdot two - way alternating pushdown automata with only existential universal states is not closed under concatenation with regular sets, length - preserving homomorphism, and kleene closure

    Chandra kozen和stockmeyer提出了交替性alternation作為并計算的一個理論模型。交替式alternating圖靈機是確定性圖靈機的推廣,它的集合被分為萬能universal state和存在existential state 。確定性圖靈機看作只有存在的交替式圖靈機。
  7. A space geometric non - linear static finite element analysis program about the long span plate - truss composite cable - stayed bridges is presented. not only it can be used to solve the space static analysis about the state of the dead load configuration ( geometry and internal forces ), but also it can be used to analyze the internal forces and deformations of the whole construction course

    基於以上理論,並結合斜拉橋的施工過程,編制了大跨徑斜拉橋的空間幾何線性靜力分析程序,既用於斜拉橋成橋的空間靜力分析,也結合斜拉橋的具體施工過程,進施工過程中的內力與變形的跟蹤分析。
  8. The feasibility of decomposition of transition firing sequence, the application of them in the detecting lfs and the reverse course of decomposition - synthesis are discussed. they provide theoretic basis for our algorithm in the field of petri net. supported by the above, two main part is included in the algorithm : at first, x is transacted according to the following method in order to get a set of xb named as basic vector of x which is the firing count vector of a directed path without circle if md is reached from m0 in the rg ( m0 )

    在變遷序列分解的指導思想下,我們的演算法主要通過以下兩步工作完成: ( 1 )首先對給出的已知條件中滿足方程的n維負整數向量進處理,得到一組x的基礎向量x _ b ,使得在petri網的達標識圖中,若存在一條由m _ o到m _ d的有向無環路,則x _ b為這樣的路上變遷引發序列的發生數向量。
  9. At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened

    目前,牽引變壓器通常採用差動保護作為主保護,但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或內部故障,如故障電流與變壓器處于勵磁涌流、過勵磁, ct飽和及ct變比不匹配等情況下的電流就很難準確的區分,能造成保護誤動或拒動,從而危及整個鐵道電氣化系統的安全運
  10. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並持續保持淤積,在特定的來水來沙、邊界條件和海洋動力條件下,該區域以處于沖刷; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此以預估計算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線動平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則能處于動平衡的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進了初步探討。
  11. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無功優化問題中負荷的概率性的不確定性問題、多目標問題、約束不性問題進了研究,用模糊區間來描述實際的負荷情況,並用負荷的模糊區間值計算配電網的潮流,得到有功功率損耗和電壓的模糊區間值,使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況;將改進遺傳演算法與模糊集理論相結合,通過求解多目標函數和約束條件的模糊集合的交集,得出網損率和節點電壓最大偏移量最小的最優運
  12. In the condition of non - axisymmetrical stage separation in hypersonic flight, the problems of dynamics and kinematics of the validating vechicle and the launch vechicle are primarily analysised. it includes the movement of the center of mass and the rigid body of the vechicles, the relative movement of the different vechicles, the relative movement of the special parts of the different vechicles, the load analysis and the probable collision in the process of stage separation

    研究了在高超聲速對稱級間分離過程中,驗證飛器與運載火箭分離時的相關運動學和動力學問題。包括:飛體質心運動和剛體運動;不同飛體之間的相對運動;不同飛體上特殊部位之間的相對運動;分離過程中各相關飛體上的載荷分析和分離過程中能發生的碰撞問題。
  13. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論,在線性磁場計算中:採用迭代法的情況下,在各迭代循環之間進磁導率修正時,一個欠鬆弛迭代過程是必需的;對永磁體中的等效電流修正時以不作欠鬆弛迭代;在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值,會使得插值求出的磁導率在該磁飽和值附近有一突變,這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中,由於微波管磁路比較復雜,作者認為磁體的工作點並不能很好地反映磁體的工作,而採用平均磁能積為衡量磁體工作的標準更加符合微波管磁系統的實際情況;要表示磁系統設計好壞的程度,則用磁能利用的效率為標準更好。
  14. The way to eliminate chaos phenomenon through adjusting system parameters is indicated. the nonlinear dynamic behavior of journal bearing - rotor system in large parameter space is studied in numerical integral method and floquet theory and the first and second bifurcation behavior of nonlinear rotor system are discussed ; the concept is advanced that realizing the controllable nonlinear stiffness with sfd with the soft - nonlinear of sma in the super - elasticity state to make the vibration amplitude of system always be in the small solution state to reduce the vibration amplitude of rotor system

    運用數值積分方法結合floquet理論對滑動軸承-轉子系統的大參數范圍線性動力學特性進了全面的研究,詳細地討論了系統的一次和二次分岔為; 5 )提出了用形記憶合金在超彈性下的軟線性,結合擠壓油膜阻尼器實現系統剛性的線性控,降低系統在定常下的最大振幅的構想。
  15. To maintain flight the uav is equipped with two propellers powered by very quiet electric motors to minimize any chance of detection

    為了保持飛,幻影配備了兩個螺旋推進器,它們由噪音常低的電動機提供動力,以便把被察覺的能性減少到最低限度。
  16. The main reason for this kind of phenomenon is due to lack of a better tourism destination states predict system, and is not giving the destination information of tourism alert feeling, alert degree and operation state to the tourists promptly, which has limited the exertion of tourism potentiality and the economic - driving role of tourism industry

    產生這種現象的主要原因是沒有一個很好的旅遊目的地預報體制,沒有把旅遊目的地的運及時、準確的傳達給旅遊者。因此,盡快建立科學合理的旅遊目的地旅遊預警系統,對于旅遊目的地的持續發展是常必要的。
  17. It is shown that the result of model calculation is very clos e to the measured data, and that further forecast on the tendency of the equipme nt condition could possibly be made by this model

    計算結果表明,預測模型的計算值與實際測定值常接近,而且進一步預報設備運趨勢。
  18. In addition, we discuss the relationship of affine nonlinear system and differential system in the respect of state feedback linearization and draw a conclusion that the differential system can be converted to extended goursat normal form if and only if the distribution of affine nonlinear system be involutive

    另外,對于仿射線性系統與微分系統之間的關系,本文利用代數理論對向量場與微分?形在線性反饋線性化方面的差異和聯系進了討論,得出了仿射線性系統的分佈是對合的充要條件就是保證微分系統以化成擴展goursat正則形所要求的條件。
  19. The extensive, lasting international short - term capital flows into has risen the system fragility of bank in the developing country, increased the fluctuation and uncertainty of the financial market, aggravated the degree on the economic foamlization, limited the validity of monetary policy, and may cause the international payments crisis, thus make the financial system of the country in the non - balanced state of globalization

    大規模的、持續的國際短期資本流入使得發展中國家的銀體系脆弱性上升,金融市場的波動性和不確定性增加,經濟的泡沫化程度加劇,貨幣政策有效性受限,並有能導致國際收支危機,從而使國家的金融體系處于整體性的均衡
  20. Lock mechanism of that concurrency control can effectively void the dead - lock, two phase commit can guarantee atomicity of the distribute transaction while distributed transaction is executed with which the consistency of the database system is guaranteed. the method of checking the inconsistent is mainly to track the update status of multiple repetitions when distributed and parallel database system is not busy, and to detect inconsistent early. consequently, system can be recovered to best status

    數據庫在執分散式事務的時候,並發控制的鎖機制有效的預防分散式事務中的死鎖現象,兩階段的提交協議以保證分散式事務執的原子性,從而有效地保證了分散式并數據庫系統的一致性,不一致性檢測的方法主要是在保證系統繁忙下對多個副本間的數據庫的更新跟蹤,也保證了數據庫多個副本間不一致的及早發現,從而使系統及時地恢復到最佳運,提高了分散式并數據庫系統的用性。
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