cyclic control 中文意思是什麼

cyclic control 解釋
周期變距操縱
  • cyclic : adj. 1. 周期的;輪轉的,循環的。2. 【化學】環狀的;【植物;植物學】輪列的,輪卷的。3. 組詩的;故事始末的。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. While cyclic deformation experiment under constant strain control is performed in 400, the material shows the continuous hardening until cyclic invalidation. ( 3 ) back stress attained by kwl " s method is used to analyse the bauschinger effect during an incremental step cyclic test and cyclic deformation test under constant strain control, it is shown that back stress increases with increasing plastic strain and the numbers of cycle, and the back stress is uniform, regardless of tension or compression conditions. ( 4 ) as far as recrystallized zircaloy - 4 plate is concerned, the back stress in transverse direction is higher than that in rolling direction due to the higher schmid factor in rolling direction

    對于再結晶狀態的zr一4合金板材試樣來說, t方向(橫向)試樣的背應力要高於r方向(軋制方向)的背應力,原因在於r方向的schmid因子高於t方向的schmid因子; 400下, zr一4合金的背應力要明顯低於室溫下的背應力;含氫200pg / g的zr一4合金的背應力大小與無滲氫的zr一4合金背應力相比,無明顯區別;固溶處理后, zr一4合金的背應力大小發生了變化,在較高塑性應變下,背應力均高於固溶處理前的背應力。
  2. So it is very important to understand the cyclic deformation behavior of zircaloy - 4. in this paper, bauschinger effect of zircaloy - 4 with different metallurgical state at room temperature and 400 ? is investigated in an incremental step test and cyclic deformation test under constant strain control. bauschinger effect during cyclic deformation is described by using back stress, which is mainly responsible for bauschinger effect ; back stress is attained by using kwl " s method

    本文採用單試樣逐級加載循環變形和恆應變幅循環變形試驗,研究了不同冶金狀態、溫度、氫以及固溶處理下的zr - 4合金的bauschinger效應現象;種種結果表明,影響bauschinger效應的主要因素是背應力;本文正是從背應力的角度來分析各種狀態下zr - 4合金的bauschinger效應現象;背應力的計算主要通過使用kwl方法而獲得。
  3. Endogenous no may inhibit ethylene biosynthesizing and control levels of endogenous cyclic nucleotide lead to delay maturation and senescence, so it can be used in extending the periods of the storage and marketing life of fruits, vegetables and flowers

    植物內源一氧化氮可以通過抑制乙烯的生物合成和調控環化核苷酸在植物組織中的水平,來延緩植物組織的成熟和衰老,延長果蔬等組織的貨架期。
  4. The experimental results is shown as followings : ( 1 ) the cyclic flow stress - strain curves in an incremental step test could be expressed as the power law relation : ( 2 ) when the strain amplitude is lower during cyclic deformation tests under constant strain control, softening firstly appears, then gradually hardens with the increasing numbers of cycle ; when the strain amplitude is higher, hardening firstly appears, then gradually softens

    試驗結果表明: ( 1 )循環流變應力與應變的相互關系曲線均符合冪律關系式: ( 2 )在室溫下進行恆應變幅循環變形過程中,當所控制的應變幅較小時,該材料首先出現循環軟化,之後隨循環周次的增加直至循環失效前該材料出現了硬化現象。當應變幅較大時,該材料開始出現硬化,然後隨循環周次的增加才出現軟化。
  5. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響,並採用描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。
  6. But the variation of its aerodynamic forces will induce flapping motion and produce the cyclic pitch on the main rotor blades by the bell mixing mechanism. in order to study the effect of bell - hiller stabilizer bar on helicopter stability and control, this paper first analyze the function and the principles, give the flapping equation and a flight dynamic model with bell - hiller stabilizer bar. and then works over the stability and control of uav r - 50 in hover and cruise condition, and analyzed the influence from parameters of the bar to it

    為了深入研究希勒伺服旋翼對直升機穩定性和操縱性的影響,本文首先分析了希勒伺服旋翼的功能和工作原理,推導了伺服旋翼的揮舞運動方程,建立了帶有希勒伺服旋翼直升機的飛行動力學模型,然後以yamahar - 50無人直升機為例,分析該直升機在懸停和前飛時的平衡、穩定性和操縱性,在此基礎上進一步研究希勒伺服旋翼設計參數變化對直升機穩定性和操縱性的影響。
  7. By combining my teaching experience with the method of literature survey and the method of theory - practice - theory cyclic, the paper analyses the existing problems of physics concept teaching. it thinks that the main factors affecting the physics conception ' s forming are the scarcity of sensibility, the effect of preconception, the cognizance obstacle of abstract and epitome thinking, the thinking bug of middle school students, the effect of passive mentality of middle school students study and the complications of main body of study ' s control oneself - the level of metacognition

    本文綜合運用了文獻調研法、理論?實踐?理論循環法、並結合自已的教學實踐經驗對中學物理概念教學中存在的問題進行了較全面的分析研究,認為影響物理概念形成的因素主要有: 1 、感性認識不足; 2 、前概念的影響; 3 、抽象概括思維中認知障礙; 4 、中學生思維階段性的缺陷; 5 、中學生學習過程中消極心理的影響; 6 、學習主體自我調控學習過程的因素? ?元認知水平。
  8. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環變形方法( r _ = _ ( min ) _ ( max ) = - 1 ) ,系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響, zr - 4合金、 n18合金和n36合金的循環變形行為,並研究了摩擦應力、背應力隨循環周次、塑性應變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果,深入探討了影響合金低周疲勞行為的作用機制。
  9. Through research into the low - cycle fatigue behavior of gh4145 / sq, we found out that the control of strain at any level is not a stable course but has three obvious stages. the first stage is a rapid cyclic hardening course for any strain control

    對gh4145 / sq合金在總應變幅控制下的對稱拉壓低周疲勞研究表明:在循環形變過程中合金主要表現為初始疲勞硬化、隨后疲勞軟化及最終失穩斷裂三個階段,疲勞硬化軟化行為與作用應變幅相關。
  10. Cyclic on off switching control

    循環啟閉環轉換控制
  11. In this dissertation, the influences of the irreversibilities of heat and mass transfer, the irreversibility inside a cyclic working fluid, heat leakage and otlier irreversible effects on the performances of three - source thermodynamic cycles are studied. by using the methods of finite - time thermodynamics and optimal control theory, the fundamental optimal relations and a series of performance bounds for the concerned thermodynamic cycles are derived

    本文研究傳熱不可逆性、傳質不可逆性、工質內部不可逆性及熱漏等不可逆因素對三源熱力循環性能的影響,應用有限時間熱力學和最優控制論等方法,導出相關熱力循環的基本優化關系和一系列性能界限。
  12. The major conclusions are as following : the macro - economy cyclic is an important factor in systematic risk of chinese capital market, but the system root of this risk is the low - efficiency of chinese capital market in resources location because of the government administration control and intervention and the government recessive guarantee to the capital market. the capital market was used by government to help the state - owned enterprise transformed their operation system and collect money, which leaded to the low - efficiency of governance in the listed company

    研究表明,宏觀經濟波動作為導致系統性風險的一般因素,也是我國資本市場系統性風險的重要因素,但並非主要因素;我國經濟體制轉軌時期,政府對資本市場的控制和行政干預,政府為市場提供隱性擔保,使資本市場成為尋租的場所,導致資本市場資源配置等市場化功能弱化和低效,投機盛行,才是較高系統性風險的制度根源。
  13. In the gsm system, error - control is the key - technology of the wireless - interface. combining the error - control technology with the software and hardware, in the baseband transmit part of the gsm mobile station test set, i ' ll provide a module which can accomplish the physical layer ' s protocol of the wireless - interface., and the fec technologies, such as cyclic code, convolutional code and viterbi decode, can be achieved by the baseband module, too

    差錯控制技術是gsm移動通信系統無線介面協議的核心內容,本課題的任務是將差錯控制技術的原理與相關的軟、硬體結合起來,在gsm移動電話綜合測試儀的數字基帶模塊中實現gsm無線介面的物理層協議,完成差錯控制技術中的循環碼、卷積碼、交織、 viterbi譯碼等前向糾錯技術。
  14. According to the function of the hardware, the control software part has been designed, and a method called cyclic buffer mode has been proposed for robot moving control which can increase the real - time performance of the robot control system. the results of experiments have proofed the method

    並針對各硬體所具有的功能進行了機器人控制軟體部分的設計,提出採用循環緩沖方式實現機器人軌跡運動的控制,提高了機器人控制的實時性,並通過實驗加以驗證。
  15. Executing, ndeveloping western china will make western area confronting severe difficult position about question of ecology and environment, at present, the cause about ecology and environment worsening of western area, unless drop behind and climatic factors that have made the environment of the region vulnerable ; the worsening of problems in the region comes mainly as a result of the lack of control over population growth and ineffective management of environment by the local governments in previous decades, getting rid of the difficult position of the problem about ecological environment in the developing western china, building up new development, depending on effective management of environment by the local governments, controlling people ' s qualities, reinforcing education of environmental protection, developing cyclic economy, optimizing ecological environment, walking coordinated development of view of economic efficiency, ecology efficiency of the way about long - lasting development

    摘要實施西部大開發,使西部地區的生態環境將面臨著更加嚴重的困境,目前我國西部地區生態環境問題惡化原因,除了貧窮落後與氣候的因素導致西部地區生態環境脆弱外,更與長期以來的人口增殖過快和政府未進行有效干預有關;西部大開發要擺脫所面臨著的生態環境困境,應樹立新的發展觀,依靠政府的有效干預,控制人口的增殖,促進科技進步,發展循環經濟,加強環保教育,不斷優化生態環境,走經濟效益與生態效益相統一的可持續發展之路。
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