波形測定 的英文怎麼說

中文拼音 [bōxíngcèdìng]
波形測定 英文
waveform measurement
  • 波 : 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...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. When measuring the magneto performance parameter ， we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard ， and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ； because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable ， it make the measure of ignition energy become a difficult thing of ignition system performance detection

    在磁電機常規測量時，發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表，而觀測到的波形多為不規則的形狀，根據測量原理，顯然不能用其來做定量的分析；由於點火系統的放電過程比較復雜，伴隨著很強的電磁干擾，點火電流、點火電壓都是變量，使得點火能量的測量成為點火系統性能測試的一個難點。
  2. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行波束置零之前，需要估計干擾源的方向和個數，因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理，並分析了它們的性能和優缺點。
  3. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。
  4. It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制
  5. Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制
  6. In order to examine the south motorcycle engine preignition phenomenon, using the rich burning information of the massive ions which are produced when the air cylinder is burnt, through analyzing the wave form difference between lighting a fire normally and firing early, it can be determined whether preignition occurs or not

    為了檢測南方摩托車發動機早燃現象，利用其氣缸內燃燒時產生大量的離子電流信號所包含的豐富燃燒信息，對其火花塞正常點火和熾熱點火離子電流顯示的波形進行研究分析，從而確定是否發生早燃。
  7. This article in detail elaborates supply power and breakdown type and the test methed, how to scientifically grasp the different breakdown electric cable meter test profile analysis as well as the breakdown localization method, and introduces how to solve the problems appeared in the scene test

    摘要介紹了供用電企業中電纜的各種故障類型和故障測試方法，對不同故障電纜儀測試的波形進行了分析，闡述了電纜故障點的定位和現場測試中通過波形判斷故障的方法。
  8. 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

    本文對大圓環直線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對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，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。
  9. On the basis of the theory of fractal geometry, the fractal dimension characters of ae signal at different tool wear states were analyzed, an algorithm was provided to decide the scale range which is necessary to calculate the dimension of non - fully - fractal form. the experiments showed that the fractal dimension of ae signal is slightly effected by the changes of cutting parameters ; the variance of the fractal dimensions, which reflects the geometric characters of ae signals, has the same tendency as that of the flank wear, the monitoring system, which takes the fractal dimension of the ae signal as the feature, can identify the different tool wear states more correctly under different cutting conditions

    以分形幾何理論為基礎，對刀具不同磨損階段聲發射信號的分形特徵進行分析.提出了計算非完全分形體信號波形的關聯維數時尺度范圍的確定方法，分析了聲發射信號在刀具磨損過程中分形維數的變化特性.刀具磨損切削實驗數據表明，聲發射信號的分形維數受切削參數變化影響較小；分形維數反映了聲發射信號的幾何特徵，其大小能較好地反映刀具的不同磨損狀態.實驗結果表明，該方法能正確地實時在線監測刀具的不同磨損狀態
  10. It is discussed that the request of acquisition equipment used in measuring the mix - wave of underground in the article. according to the equipment, it is established on data collected methods and it is recorded by radar on the pattern of ground clutter around dou ji tai

    文章對地雜波測量所用採集設備的要求進行了分析，根據採用的錄取設備的情況，制定了數據錄取方法，對雷達觀察到的斗雞臺周圍地雜波波形進行了採集記錄，課題編制了測量數據的顯示應用程序。
  11. At last we present the result and data in visualization, including main menu and online display window, initialization window, data processing record window, analog signal scale and result examining window, wave testing window etc

    包括主菜單及實時顯示窗口、初始數據輸入窗口、斷火次數顯示窗口、數據處理記錄窗口、模擬量的標定及查看標定結果窗口、波形測試窗口等。
  12. In chapter 2, the mechanics of distortion of movements for the vibrator, which affect the precision of calibration, are explored in detailed. and the effects of measuring system and automatic control are also researched profoundly

    深入研究了振動臺運動波形失真的機理及對校準精度的影響，同時研究了測量系統、系統穩定性和自動控制技術對校準精度的影響。
  13. 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測量得到流場速度矢量圖及流線圖，擾動波幅與波形特徵說明， re數一定時流動穩定性隨h值增大而提高。
  14. Measurement of microwave permittivity and permeability of homogeneous and lossy isotropic materials. method of measurement for circular coaxial guide

    均勻以及有損耗的各向同性物質的微波電容率和滲透率的測定.圓形同軸導向裝置的測量方法
  15. Digital recorders for measurements in high - voltage impulse tests. part 2 : evaluation of software used for the determination of the parameters of impulse waveforms

    高壓沖擊試驗中測量的數字記錄儀.第2部分:脈沖波形參數測定用軟體的評價
  16. This paper determines the technological process, bath formularizstion and experimental parameter of electroless multicomponent cobalt based soft magnetic film with rare earth elements joined such as co - ni - b - re and co - fe - b - re by the means of perpendicular experiment and regression analysis. this paper also studies the active mechanism of rare earth elements, ultrasonic irradiation and magnetic field on the plating process, chemical component, surface configuration, microstructure and properties of electroless multicomponent cobalt based soft magnetic film in the way of examining in the component, microstructure and properties of such alloy

    本文採用正交實驗和回歸分析的方法，確定了稀土化學沉積co - ni - b - re 、 co - fe - b - re多元鈷基軟磁薄膜的工藝流程、鍍液配方和實驗參數，並通過對合金鍍層的成分含量測定、形貌結構分析和力學磁學性能評估，研究了稀土元素、超聲波、磁場介入化學沉積多元鈷基軟磁薄膜工藝后，對合金成分、結構和性能的作用機制。
  17. For above problems, i design boole process - based algorithm. for example, hazards finding theory work out a formal method of finding hazards by waveforms computing ; waveforms increasing algorithm settle the defect of boole process in feedback cycle treatment ; false paths discerning algorithm can delete useless nodes in netlist effectively ; inertia conflict eliminating method describes the state of nodes truelier and reduces computing

    其中，冒險檢測定理給出了通過波形運算檢測電路中冒險現象的哈爾濱工程大學碩士學位論文形式化方法;波形遞增演算法解決了boole過程在處理電路中反饋環問題上的缺陷;偽路徑識別演算法能夠有效地去除電路網表中的無用節點;而慣性沖突消除法能使對節點狀態的描述更加真實，並減少了計算量。
  18. The inverted pwm changing electric current the technique is applied in the prototype model. the prototype model was tested and operated on spot, power factor could reach beyond 0. 95, the effect of following modulating voltage was better, the curve of factor of modulated voltage of exchanging systems changed following load rate was linear, the output of wave form was a flat and steady sinusoidal wave

    樣機採用了逆變式pwm變流技術，對其進行了現場測試與試運行，測試結果是電網側的功率因數可達0 . 95以上，跟蹤調壓效果良好，變流系統輸出調壓系數（ k ）隨負載率（ p ）的變化曲線基本滿足直線關系，輸出波形呈平滑穩定的正弦波。
  19. In addition, an experimental system using c language is established, including modules such as representation of waveform polynomial, decision of path senstization, delay computing, clocking based on single - period sensitization, clocking based on multi - period sensitization, test generation considering noise and transformation from bit - level waveform polynomial to word - level polynomial model. they respectively used to test models and techniques proposed in this paper

    另外， :基於c語言本人設計開發了一個實驗軟體系統，該系統包括波形多j一貞式表示模塊、敏化通路判定模塊、延時計算模塊、單周期敏化的最小時鐘周期精確確定模塊、多周期敏化的最小時鐘周期確定方法模塊、考慮噪聲的測試生成模塊和位級波形多項式描述轉化成字級多項式描述模塊，分別用於對本文各章中提出的自動化設計的模型和方法進行實驗驗證。
  20. This paper introduces a virtual oscillograph v0. 94 for measuring the sound velocity. the result is very precise. it also enriches the classical physics experiment with modern contents

    摘要介紹了某于聲卡的虛擬示波器v0 . 94的硬體準備、電腦聲卡設置以及調整和使用方法。利用虛擬示波器測定聲速，形象直觀，實驗結果精確，是經典物理實驗現代化的有益嘗試。
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