脈動沖程 的英文怎麼說
中文拼音 [màidòngchōngchéng]
脈動沖程
英文
pulsion stroke-
In the dissertation ' s chapter 3 to chapter 5, the mechanical and physical performances of the engineering plastics are analyzed, the failure mode and the designing computing methods of engineering plastics member suffering the static load, dynamic load, impact load, pulse load, are studied. by the practice application and ball firing experiment of the engineering plastics key piece in the weapons, the precious experiences, for engineering plastics application and confirmation of the material performances guideline in the weapons, are obtained
論文的第三章至第五章，分析了工程塑料物理機械性能，研究了受靜載荷、動載荷、沖擊載荷及脈沖載荷下工程塑料構件的失效模式和設計計算方法，通過工程塑料在槍械關鍵受力結構件上的實際應用和實彈射擊試驗，取得了寶貴的經驗，為高性能工程塑料在槍械上的應用和材料性能指標的確定奠定了基礎。Thus, the paper focuses on mineralogy, petrology, petrogeochemistry, isotopic chorology, and sr - nd - pb isotopes of the mafic intrusions and dikes in fujian province, se china. in addition, we also discussed the process of the plate subduction, mantle evolution, crust - mantle interaction, lithospheric thinning and extension, and the reaction for crustal extensi on in fujian province, se china. ( 1 ) daiqianshan mafic intrusion is situated along the changle - nanao fault, which intruded in the metamorphic rocks
基於此，本文以中國東南部福建省的基性脈巖、巖體為研究對象，運用系統的礦物學、巖石學、巖石地球化學、同位素地球化學及同位素年代學證據，詳細論述了晚中生代中國東南部板塊俯沖、地幔演化、殼幔相互作用及巖石圈伸展減薄的地球動力學過程，探討了地殼拉張期次在福建省區域構造上的響應。The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module
整個系統分為三個模塊: ccd驅動模塊的核心是一片復雜可編程邏輯器件（ cpld ） ，對其編程產生ccd的驅動脈沖及同步控制信號;視頻輸出信號經預處理后，由高精度ad轉換模塊進行采樣，將ccd輸出的模擬信號轉換成數字量;最後，將數據送入arm處理系統中進行后續處理。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨，本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制，文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab
並用模態分析的方法，將系統的偏微分方程模型轉化成了模態模型；研究了狀態反饋和獨立模態方法；進一步完善了軟體界面以及軟體功能；在實際系統中，應用狀態反饋演算法，有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態振動。Forced oscillation for a class of nonlinear impulsive delay parabolic equations
一類非線性脈沖時滯拋物型方程的強迫振動性Not only was the pattern of recordings along the artificial lateral line similar to the pattern recorded from the nerve cells of a real fish, but the computer could also decipher it to follow the source of the pulse as it moved along different paths
結果顯示不僅該系統記錄的圖形與從真正的魚身上的神經細胞所記錄的圖形相似，而且配套的電腦程序還能通過對記錄圖形的解讀來追蹤沿著不同路徑移動的脈沖水波的源頭。Linearized oscillation of nonlinear delay differential equations with impulses
非線性脈沖時滯微分方程的線性化振動Two stroke engine supercharged on pulse series parallel system
脈沖串並聯系統增壓式二沖程發動機Two stroke engine supercharged according to pulse parallel system
脈沖並聯系統增壓式二沖程發動機Firstly, the mechanism of self - excited oscillation was introduced. when the water jets from the inlet nozzle flows into the chamber, the momentum exchange between the jet and the liquid in the chamber occurs, thus to form an unstable shearing layer with certain thickness
這是一種嶄新的強化換熱技術，流體脈動能夠造成換熱器全程的換熱強化，而且自激振蕩脈沖射流強化換熱技術本身是一種無功強化的方法，無需輸入外部能量來產生擾動。By employing cole ' s classical theory of bubble dynamics, the motion of bubble produced by the underwater explosion and the corresponding bubble pulsating pressure are calculated. a profile function of the shock wave and its parameters are determined according to the principle of wave profile similitude and the equality of impulses. finally an analytic formula is derived to simulate the whole time history of the pressure from the front shock wave to the bubble pulsation, representing the fluid loadings of the underwater explosion
木文首先應用庫爾的經典水下爆炸氣泡運動理論計算出氣泡的運動和脈動的壓力波形，再依據波形相似的原則尋找波形模擬函數，用沖量相等的原則確定波形參數，得出了從沖擊波到氣泡脈動壓力整個過程對水下爆炸載荷進行模擬的解析公式。Abstract : in this paper, we study the random equation to elastic caminal rectangle plate under single concentrated random load by random vibration theory, and discuss the dynamic response to it by separating the variable, and study the frequency response function and unit pluse response function to the load and response
文摘:運用隨機振動理論，推導了彈性矩形薄板在單個隨機集中載荷下的振動方程，並用分離變量法討論了其動力響應，研究了對應于激勵與響應的頻率響應函數和單位脈沖響應函數。Experiments about the influence of aeration on the dynamic pressure on the original riverbed show, aeration will obviously increase the fluctuating pressure on the original riverbed. 3. experiments about the influence of aeration on the dynamic pressure on the bottom of scour hole show, the influence of aeration on the dynamic pressure on the bottom of scour hole is ruleless
試驗研究了摻氣對沖坑底部脈動壓強的影響，結果表明：無論沖坑深度為多大，坑底脈動壓強均方根值沿程分佈與不摻氣時相比，沒有確定性的規律，射流摻氣后，沖坑底部的脈動壓強有時增加，有時反而減小。The existing results about scour hole was summarized. experiments was made about the influence of aeration on scour, the dynamic pressure on the original riverbed and the scouring hole bottom, and the influence of aeration on the dynamic pressure and the velocity of submerged jet. scour was simulated by numerical model
在總結前人研究成果的基礎上，試驗研究了摻氣對基巖沖刷破壞的影響；基巖沖刷過程中沖坑底部脈動壓強隨沖坑深度的增加而變化的特性；摻氣對沖坑未形成前河床底部及基巖沖刷坑底部脈動壓強的影響；摻氣對射流軸線流速變化的影響等。The main contents and conclusions are as follows : 1. the dynamic pressure on the original riverbed and the scour hole are measured. the results show that the characteristics of dynamic pressure in the scour hole are the same as that on the original riverbed
表明在基巖沖刷過程中以及沖坑穩定后，射流沖擊區的脈動壓強與沖坑形成前一樣，都是以低頻大振幅為主，說明在沖刷坑形成后，射流沖擊區水流與無沖坑時一樣，都是大尺度渦不斷破碎和小尺度渦不斷生成的過程。It shows that there is cointegration relationship between the economic growth rate and the m1 increase rate. then by using the cointegration, granger causality method, impulse - response analysis, vector error correction model with markov regime switching to test the equilibrium relationship in long run and the short fluctuation pattern in short run between the real output and m1 increase rate, it shows that monetary supply can affect the macroeconomic effectively, and the interest rate and stock market value can not affect the macroeconomic effectively
本文研究了經濟增長與貨幣供給量、利率、股票市場等貨幣中介指標的關系，得出經濟增長率與m1增長率具有協整關系的結論，在此基礎上使用協整分析、 granger因果關系檢驗、脈沖響應分析、具有markov區制轉移的向量誤差修正模型等最新的經濟計量方法，描述和檢驗了中國經濟周期波動過程中實際產出與貨幣供應量變動的長期均衡關系和短期波動模式。Theoretical analysis of oscillating flow process in regenerator of pulse tube refrigerator
脈沖管製冷機蓄冷器中交變流動過程理論分析Experimental study of the oscillating flow characteristics in a pulse tube refrigerator part. experimental apparatus and data processing system
脈沖管製冷機內部交變流動過程實驗研究第一部分實驗裝置與數據處理系統The engine is tested on the dynometer using the software that can monitor the ecu ( electronic control unit ) internal dataflow. and the electronic control fuel injection system parameters ( e. g. position of throttle valve, engine speed, air temperature, engine temperature, duration of injection ) are acquired at many different working conditions of engine
本文以hirth3203二沖程汽油發動機為研究對象，利用開發的ecu內部動態數據流監測軟體進行發動機臺架試驗，獲取了在不同的油門開度和轉速下電控燃油噴射系統的一系列工作參數，如節氣門開度、發動機轉速、進氣溫度、氣缸溫度、蓄電池電壓以及噴油脈寬。分享友人