脈沖成形 的英文怎麼說

中文拼音 [màichōngchéngxíng]
脈沖成形 英文
impulse forming
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  1. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉積時，基質金屬的沉積連續進行，粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附，重新回到溶液中;採用周期換向脈沖時，反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附，同時，反向脈沖電流對基質金屬的溶解作用，也會促進粒子的脫附，因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加，三種鍍層的晶粒都明顯細化，說明al _ 2o _ 3的存在阻止了晶粒的長大，提高了電沉積過程中晶核的形成速率。
  2. 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。
  3. Incondition of surface anti - corrision and insulation coat of metal and tiny hole of steel where resistance and crack is very small, when supplying a high voltage, gas crack will be punctured and electric spark discharging will occur, now send a pulse signal to the alarming circuit the alarmer can send out sound and light to alarm. we can do leak hunting on the coating according to this principle

    金屬表面絕緣防腐層過薄、漏鐵及漏電微孔處的電阻值和氣隙密度都很小，當有高壓經過時就形成氣隙擊穿而產生火花放電，給報警電路產生一個脈沖信號，報警器發出聲光報警，根據這一原理達到防腐層檢漏目的。
  4. It uses binary counters for the conversion of the multiplicand from parallel to pulse-train form.

    它採用二進制計數器以把被乘數由并行形式轉換成脈沖序列形式。
  5. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型，在研究了脈沖超聲波在無限長板中傳播的基礎上，對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
  6. At the same time the effection of some important recombinations are discussed and the relation of photoconduction versus time is given. in chapter 4, auston circuit, blumlein pulse forming line, multiplier of pulse forming line are introduced and give their differentiates

    在第四章中，分析各種以光導開關為核心器件的電脈沖成形電路: auston電路、 blumlein脈沖成形線、層疊線倍壓器，對其輸出轉換效率進行比較，並進行實驗研究。
  7. 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

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度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，並從控制理論的角度進行了分析，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度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、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，利用該圖形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。
  8. This idea rooted in the supposal that combustion pressure is a pulse force and the characters that wavform parameters are sensitive to pulse

    這思路來源於將柴油機作功沖程的爆發力近似看成一個脈沖激勵的假設，以及波形參數對脈沖激勵敏感的特點。
  9. And is it the same as under radiation heating ? do the special electric and magnetic fields produced by bpec accelerate atom diffusion ? understanding the above questions fully is a key to expose the mechanism of pecht

    在脈沖大電流加工過程中原子是如何擴散的，與一般的加熱燒結、焊接是否一樣，脈沖大電流形成的特殊電場及磁場是否對原子的擴散有大的推動作用，弄清這些問題成為進一步揭示脈沖大電流熱加工機理的關鍵。
  10. Pre - pulse phenomena in pulse forming line charging - up by long pulse energy sources through a transformer

    長脈沖能源給脈沖形成線充電過程中的預脈沖現象
  11. Theoretical result indicated that the self - q - switching in er - doped fiber laser based on sbs process was feasible in mathematics, and the conclusion has been presented that the dynamic characteristics of output pulse by sbs are effected tinily by the length of er - doped fiber in the system

    模擬實驗結果表明利用單模光纖的受激布里淵散射效應可在摻鉺光纖激光器系統內穩定形成自調q過程，同時得到sbs產生激光脈沖動態特性受到摻鉺光纖長度改變量影響不大這一結論。
  12. The prm is basically a monopulse secondary surveillance radar ( mssr ) that employs electronically - scanned antennas configured in a circular array

    精密跑道監系統基本上屬單脈沖二次監察雷達，但採用排列成形的電子掃描天線。
  13. The main works of this dissertation include : 1. demonstrating the basic principle and the working process of pulse generating, and the function of each part of this design

    本論文的主要工作包括: 1 .闡明了脈沖波形產生的基本原理以及實現過程，以及其各個組成模塊的功能。
  14. Nuclear signal processing circuit mainly consists of linear amplifier and pulse shaped - circuit

    核信號處理電路主要由線性放大器和脈沖成形電路構成。
  15. So the application prospects of linbo _ 3 integrated optic intensity modulators are getting better. two - section cascaded ln intensity modulator applied to laser pulse rectification is presented in this thesis. it is constituted with two - section m - z optical waveguide and cpw traveling - wave modulation electrode

    本課題旨在研究以linbo _ 3為襯底材料、以兩級串聯m - z干涉型光波導結構為基礎、以cpw行波電極為調制電極、用於核爆模擬領域激光脈沖整形的集成光學強度調制器。
  16. 4. demonstrating the structure and design of the counter + delay - line module, by which the pulse waveforms with given pulse delay and pulse width delay can be generated

    4 .設計計數器+延遲線模塊的組成及方案，並據此實現根據觸發信號產生的具有一定脈沖延遲和脈沖寬度的脈沖波形數字信號。
  17. The dissertation is aimed at the theory and practical application of photoconductive semiconductor switches ( pcss ), which is the kernel of uwb photoconductive pulse source. in chapter 1, after introducing the background of the dissertation, the development of uwb photoconductive pulse source is briefly reviewed. at the same time, the main work and contribution is generalized

    本文以研究超寬帶光導脈沖源的核心光導開關的工作原理和實際應用為目的，模擬了光導開關在線性模式下的輸出電脈沖，研究了以光導開關為核心器件的電脈沖成形電路，以及電脈沖的傳輸和輻射。
  18. A signal processing method comprises receiving a first signal for wireless communication, obtaining an approximate of a non - channel function in the first signal, separating the approximate of the non - channel function from the first signal to obtain a second signal that includes a time - varying channel function, and processing the second signal to obtain a user signal

    本發明提供一個信號處理方法，包括接收第一個無線信號；估計第一個信號中的脈沖成形失真；從第一個信號中分離出該脈沖成形失真以獲得第二個信號；以及處理第二個信號以獲得一個用戶信號。
  19. These high and low wind streaks crossed the approach and departure paths of the airport in pulses, leading to intermittent severe windshear and turbulence

    這些氣流以脈沖的形式橫過機場的升降航道，不時造成強烈的風切變和湍流。
  20. As the control core of the wielding power supply, outputs two pulses waveform. which is different from each other of their phase position. after the magnifying of the drive module m57959l, the output waveform can drive the igbt and control the

    由tms320f2812dsp輸出兩路相位分別成180o反相的pwm脈沖波形，經過igbt專用驅動模塊m57959l的驅動，來控制igbt的導通、關斷。
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