速度波形 的英文怎麼說

中文拼音 [xíng]
速度波形 英文
velocity wave form
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. In order to reduce time in this procedure, we realize a fast cyclization algorithm based on the hash table. experimental results show that this approach is efficient and automated in test vector translation

    實驗結果表明,在此格式基礎上的測試向量轉換,不僅在上得到提高,同時針對大容量的測試向量集合,也能獲得較高的壓縮結果。
  2. The frontal structure of longmenshan in the west of sichuan is very complex, showing intense structure deformation in overthrust belt, high structure amplitude, steep stratigraphic dip, developed fault blocks, complex seismic wave field, frequent change of lateral velocity, and poor image of post - stack time migration processing

    摘要川西龍門山前緣構造非常復雜,逆掩推覆構造帶構造變強烈,構造幅大,地層傾角陡,斷塊發育,地震場復雜,橫向變化大,常規疊后時間偏移處理成像效果較差。
  3. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加計及其測試技術的發展歷史和現狀,液浮擺式加計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析、采樣約束以及測試精等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  4. Micro - controller was programed to measure the width of engine running speed signal successively, via pdiusbd12 these measured data are transmitted to pc, according to some algorithm, for pc program to analyze, process and display angular acceleration, thus diagnose diesel engine

    單片機連續採集轉信號的脈沖寬,同時通過pdiusbd12將採集的數據上傳到個人電腦,供電腦按照特定的演算法分析和處理,以進行角加速度波形顯示和柴油機故障診斷。
  5. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲、磁場)介入后,沉積過程、合金成分、鍍層貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化降低,沉積提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強在能量(超聲、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。
  6. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內激成的原因是射氣瞬間接觸面兩側壓力和不相容;峰值振蕩效應的內在機制為反射激對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響;當充、排氣時間比為0 . 1763時,最佳射流激勵頻率出現在高階峰值振蕩頻率上。
  7. Because of the resonant interaction between the reb electrons and the wave excitated by the embp instability, the reb electrons cannot transport continuously, but in form of current clumps. the transport velocity is close to the phase velocity of the wave

    因為embp不穩定性所激發的和束流電子之間的共振相互作用,束流電子不是連續地傳播,而是以電流團的式傳播,傳國防科技大學研究生院學位論文播接近於的相
  8. The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus

    地震法檢測路基擋墻強,研究的主要內容有:片石巖性和強及塊體體對的影響;水泥砂漿強對墻體的影響;擋墻整體強和完整性的評估標準。應用彈性對擋土墻石材、砂漿強、砂漿飽滿及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。
  9. The experimental results show that the wave shaper can control the moving direction of the rod fragments after the warheads exploded and ensure the integrity rate of the rod and that there is a close relationship between the flight attitude and the positioned angle, which is mainly reflected by the rotation velocity of the rod

    試驗結果表明:採用控制器可以較好地控制戰斗部爆炸后桿破片的飛散方向,以及保證桿條的完整率;桿條的飛行姿態與放置角有密切關系,主要通過桿條旋轉表現出來。
  10. According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo

    本文針對復雜地表低信噪比地區地震資料的特點,以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點,在整個地震資料處理過程中,從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精分析、合理的疊前反褶積及疊后子處理技術、到選用高精的疊加技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法,最終成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。
  11. The characteristic of the forming of shock wave in the tube and the influence of the shock wave intensity on cooling effect was also analyzed in working time. the reason why the cooling efficiency was lower in low rotate speed and has no change in high rotate speed was revealed

    分析了振蕩管實際工作時管內激成特點及激對冷效應的影響,指出了實際壓力製冷機在低轉下運行時製冷效率很低而在高轉下製冷效率變化不大的內在原因。
  12. The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train. the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network

    利用小包分析,將擺式車體試驗臺上採集到的振動加信號分解在相互獨立的頻帶之p內,各頻帶內的能量值成一個向量,將其作為神經網路的輸入特徵向量, 。
  13. The thesis firstly analyzes the signal form of frequency modulated interrupted continuous waveform ( fmicw ) in theory, studies the principles of detecting range and velocity for fmcw, and further discusses the essential processing methods of the fmicw signal form, including the range transform processing method based on the strict corresponding relation between time and frequency domain, the velocity doppler transform, the digital beam forming

    本文首先從理論上分析了在高頻地超視距雷達所用的線性調頻斷續信號的式,研究了fmcw雷達測距測原理,並深入地探討了fmicw信號的基本處理方法以及具體的演算法,主要包括距離變換中採用的時間門相關處理方法,多普勒變換,數字成。
  14. Based on the previous work, the equations of motion and elastodynamics are changed. a high - order staggered velocity - stress finite - difference formula of the acoustic field in borehole are set up in cylindrical coordinate, and the corresponding code is accomplished

    本文在彈性動力學的基礎上,將運動方程和本構方程作適當變,採用交錯網格技術建立了井孔動方程在柱坐標系下的?應力高階有限籌分公式,並編制了相關計算程序。
  15. Diagrams of velocity vectors and streamlines display waveform and amplitude properties, showing the effect of fibres on enhancing the flow stability. the computational results are tested

    Piv測量得到流場矢量圖及流線圖,擾動幅與特徵說明, re數一定時流動穩定性隨h值增大而提高。
  16. Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead

    通過分析不同焊接規范下的焊接電壓和電流的.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種式.在焊絲直徑和送絲一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定
  17. We use this conclusion in our program. the last, the principle and the precision of the detection of range, speed and angle is analyzed and discussed theoretically. using the precision formula of rectangle pulse waveform, we programming the software to accomplish the computation simulations

    在論文中還對雷達的距離測量、測量和角測量的原理以及它們的測量精進行了理論分析和計算,並且得出了在矩脈沖的時候雷達測量精的計算公式,並且用程序進行了模擬計算。
  18. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用投影光棚相位法和數字卷積濾技術:根據柵線的條紋灰值分佈具有極大極小分佈的特性,提出卷積濾貌光學自動檢測的圖像處理方法,有效地實現了頻譜自動移位,從而進一步提高了圖像處理的貌測量技術的自動化程;同時對採用兩光學主軸相交,且非遠心投影系統所產生的誤差進行了分析,並提出了修正方法。
  19. The corrected visar - measured wave profiles on the interface between target and window were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    對visar測試到的進行合理的修正後,得到的界面速度波形都是由一個較弱的初始跳躍和一段緩慢上升的陣面前沿所組成的準等熵壓縮
  20. Abstract : in this paper, dynamic loads caused by driving on und ulate pavement are analyzed and a theoretical relation between dynamic loads of automobile and undulate pavement is developed. at given automobile mechanism para meter 、 moving velocity and undulate pavement parameter dynamic loads of automobi le are analyzed through an example

    文摘:筆者理論分析了汽車行駛在路面上時汽車對路面的動荷載作用,推導了汽車動荷載與路面的理論計算公式,實例計算了在給定汽車結構參數、行駛路面的長、振幅時的汽車動荷載
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