瞬態曲線 的英文怎麼說

中文拼音 [shùntàixiàn]
瞬態曲線 英文
transient curve
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : 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
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 瞬態 : transient; instantaneous condition; transient state
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直感應電機空載氣隙磁場進行了靜分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的分析,得到了轉矩,位移,轉速隨時間變化圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  2. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直感應電動機二維非性渦流場進行了數值計算,並在此基礎上,運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直感應電動機的特性進行了模擬分析,得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等,通過改變直電機參數,分析了電機氣隙對其性能的影響。
  3. Carryed out genetic algorithm to optimize this system to solve these two problems, and realized perfect smooth curve, instant reaction, stable function and robust function in transforming control

    並採取遺傳演算法對直流伺服性定常系統進行優化處理,從而很好地解決了這兩個問題,實現了控制傳遞中有極好的平滑時響應性能,穩性能以及魯棒性能。
  4. In chapter 4, for the first time, in the way of virtual malfunction simulation, cooling water of diesel engine type 4135 has been simulated under the stopping water supply malfunction. and the analysis and discussion has been taken on the result of transient temperature curve of the simulation. and in the same way, internally cooling oil piston of diesel engine type 180 has been numerically simulated on the virtual thermal loading mal

    得出了虛擬其斷水故障模擬的溫度結果,並對其進行了分析和探討;同時也用虛擬模擬的思想對180型柴油機內油冷活塞進行了虛擬其熱負荷故障的數值模擬,得出了其在斷油情況下和超負荷運轉情況下的分析結果。
  5. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這類換器工作模式、穩原理與電壓時值反饋控制策略,給出了變換器的外特性、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  6. While working in offline ( no pc ) mode, additionally to normal transducer, it has soft - startup function and fast - stop function. and the input of frequency and voltage - coefficient is optional. while working in online mode, additionally to working in offline mode, it can process, display, save and load waveform, which is specialty of computer

    脫機工作(無pc )時,它除具有一般變頻器功能外,還具有軟啟動功能、頻率和電壓輸入源可選、急停功能等;在聯機工作時,除具有脫機工作的全部功能外,還具有計算機特有的圖形處理、顯示、存取能力,包括波形、各種參數動過程等。
  7. By analyzing and processing bountiful experimental data collected in short time, the curves of temperature variation of fast transient nucleate boiling are then drawn with wavelet analysis theory. also by setting up the mathematical model and applying the temperature variation curves to this mathematical model, heat flux density can be resolved

    利用數學方法? ?小波理論成功分離了快速數據採集系統中溫度信號和噪音信號,得到沸騰的溫度變化;並通過建立數學模型、利用實驗所得的溫度變化,求解出熱流密度。
  8. When the theory of temperature in solids 、 the equivalent tension - relaxation curve of final temperature, and the equivalent shear - relaxation curve is known, then the non - stationary stress is calculated

    在非定常熱應力計算時只要確定物體內部各點的溫度歷史,及其終溫度等效拉伸鬆弛、等效剪切鬆弛,便可計算出物體內各點的熱應力。
  9. Based on a number of charging and discharging experiments, a thought is put forward that the polarization may be detected according to the terminal voltages at charging, terminal voltage at the short pause, and the soc ( state of charge ) ; the depolarization by momentary discharge according to the reference of optimal curve

    在論文撰寫過程中,作者主要進行了如下方面的研究: -對鉛酸蓄電池的電化學機理進行充分研究,並在大量充放電實驗的基礎上,提出了依據蓄電池充電時和停充間的端電壓和蓄電池荷電狀檢測蓄電池極化狀況的思想。 -依據最佳給定,採取間放電減少極化。
  10. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況,考慮車路耦合和橋面沉降坡差的影響,對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了動力響應分析,得到了人的加速度及路面對車的垂直作用力隨時間的變化、人的加速度最大振動值和路面對車的最大作用力,分析了車輛的行進方向、速度和載重,橋面沉降坡差和搭板長度等車和路各參數對計算結果的影響,並編制了相應的計算程序。
  11. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用均值提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。
  12. The study of the effect of material properties and dimensions and loading currents on liner buckling, using a capacitor bank as a driver, indicates that the mode number for buckling increases with the ratio of radius to thickness of a liner, and the yield strength to plastic hardening modulus, but keeps invariable with the increase of loading current, and that the magnitude of buckling increases with the loading current

    用電容器組脈沖發生器裝置作為驅動源,設計4種不同材料、不同尺寸的金屬套簡,通過調節電容器組的充電電壓得到不同的加載電流,研究材料及幾何參數、加載脈沖特性對套簡屈的影響;採用性有限元方法對實驗結果進行了數值模擬。
  13. The apparent activation volume calculated by the model is about 2500a3, which was ten times larger than that of usual amorphous alloy and was at the same range of the amorphous polymer. the model shows the main deformation mechanism of nanocrystalline ag is grain boundary sliding, which in some extent declares the similar forms of equation with amorphous alloys. with the ananlysis to the hrem of nanocrystalline ag, the discrepancy of the apparent activation volume between the nanocrystalline ag and amorphous alloys is interpreted by the loss of atoms participating in grain boundary sliding without enough reconstruction by the movement of atoms under the low temperature

    運用晶界滑移的熱激活理論對壓縮實驗結果進行了數值擬合,擬合與實驗數據符合很好,得到了晶界滑移的表觀激活體積(熱激活基本單位體積與局域應變的乘積) ,約為2500a ~ 3 ,先當于幾十個原子體積大小的變化,約為非晶合金的10倍以上,與非晶高聚物的表觀激活體積相當。
  14. And then based on the generalized function and distribution theory, it presents two corollaries that are relate to singularity detection and the wavelet transform modulus maxima line ( wtmml " s )

    結合廣義函數與分佈理論,提出了兩個用於描述信號波至點檢測與小波變換模極大值( wtmml ' s )之間關系的新推論。
  15. This paper selects the pulsating wind power density spectrum of davenport and simulates the wind speed time series and the wind load time by matlab. considering the vertical and horizontal correlation of the pulsating wind, the study make use of the time domain analysis of buffeting to carry out the transient dynamic analysis of the whole frame structure which is loaded by the random pulsating wind load. finally, in terms of the whole frame of the pipe belt conveyor, the evaluation for

    選取davenport脈動風功率譜,利用matlab模擬脈動風的風速時程和風荷載時程,並考慮脈動風的空間豎向和側向相關性,利用抖振時域法對整體機架結構進行隨機脈動風壓作用下的動力學分析,最後再對圓管帶式輸送機整體機架結構對環境風荷載的適應性做出評價。
  16. By simulating of transient field in the photoconductor of thz photoconductive antenna, the curve of instant electric current was given here, and the result was validated by fdtd method. the influence of transient field to thz out put was mentioned in this paper too

    通過對thz光電導天電場的模擬,得到了晶元內西安理工大學碩士學位論文電流的變化,並通過fdtd方法對電流模擬結果進行了驗證。
  17. Transient response curve

    響應
  18. A mathematical model of the vibration at the upper segment of a pile when there exist severe defects is put forward based on theoretical analysis, and the curve characteristics of its low strain test is described according to engineering practice under condition of transient shock

    摘要從理論上給出了當基樁存在淺部嚴重缺陷時,在受到激振力的情形下,樁體上段振動的數學模型,並結合工程實踐,描述了其低應變實測的特徵。
  19. Abstract : a mathematical model of the vibration at the upper segment of a pile when there exist severe defects is put forward based on theoretical analysis, and the curve characteristics of its low strain test is described according to engineering practice under condition of transient shock

    文摘:從理論上給出了當基樁存在淺部嚴重缺陷時,在受到激振力的情形下,樁體上段振動的數學模型,並結合工程實踐,描述了其低應變實測的特徵。
  20. Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy, the auxiliary switching power supply and parallel technology of this kind of converters are investigated. the output characteristic curve and the design for the key circuit parameters are given

    以單四象限功率開關式電路拓撲為例,分析研究了這類變換器工作模式、穩原理與電壓時值反饋控制策略,給出了變換器的外特性、關鍵電路參數、機內輔助開關電源的設計,對電流源高頻交流環節ac ac變換器並聯擴容技術進行了研究。
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