脈沖形成 的英文怎麼說

中文拼音 [màichōngxíngchéng]
脈沖形成 英文
pulse formation
  • 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. Because pressing of arteries and veins increased the impact to blood - vessel greatly, this is, make easy exhaustion mixes the stretch ingredient of tube wall rupture, easy development is aneurism and possible burst, at the same time of hemal wall inside film is injured easily and bring about sclerosis of arterial congee appearance and thrombosis, the hemal sclerosis that and be pressed with wide arteries and veins coexists and diastolic pressure are too low return burden of can aggravating heart and blood of influence coronal arteries and veins to offer

    這是因為脈壓大就增加了對血管的沖擊，使管壁的彈性成分輕易疲憊和斷裂，易發展為動脈瘤並有可能破裂，同時血管壁的內膜輕易損傷而導致動脈粥樣硬化及血栓形成，並且與寬脈壓並存的血管硬化及舒張壓過低還會加重心臟負擔和影響冠脈血供。
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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
  7. The software pspice is utilized to give the transient analysis of the pulse - forming network : the circuit models of two type pulse - forming network are given and the output profile is worked out

    利用電路模擬軟體pspice的瞬態分析功能對脈沖形成網路進行了研究:建立了兩種脈沖形成線的電路模型，給出了輸出波形圖。
  8. To realize nolinear excitation controller, it must be improved that the disposal speed of nolinear excitation control " s signal. with analyzing and comparing all kinds of microcomputer excitation controller, a new microcomputer excitation control scheme is offered that is based on dsp controller while the cpld chip is utilized for realizing the function of pulse trigger. it is described in detail that the method of realizing controllable silicon digital logic by verilog hardware describe language and the designed digital pulse trigger " s veracity was validated by digital simulation

    論文進一步針對非線性勵磁控制要求信號處理速度高、信息量大的特點，在對目前微機勵磁控制器分析基礎上，提出採用dsp控制器晶元作為核心處理器的微機勵磁控制器的解決方案，運用復雜可編程邏輯器件cpld晶元實現可控硅同步脈沖觸發單元，並簡要說明了verilog硬體描述語言和數字脈沖形成邏輯的方法，通過電路數字模擬對所設計的數字觸發單元進行了驗證。
  9. In the second experiment, by introducing helical blumlein line as pfl, we can obtain a square pulse with 260ns pulse duration

    首次將具有螺旋結構的blumlein脈沖形成線進行了實驗，取得了較好的研究成果。
  10. Experimental study on helical blumlein line

    螺旋脈沖形成線實驗研究
  11. Versatile pulse shaper

    通用脈沖形成器
  12. In the first experiment, the pulsed breakdown of the pressured water has been investigated

    進行了脈沖形成線小型化和長脈沖產生的基礎性原理實驗研究。
  13. Abstract : the successful application of phaselocked loop technique to electrode adjustment is introduced, pulse forming and adjusting principle are analysed

    文摘:介紹了鎖相環技術在電爐電極調節中的成功應用，分析了脈沖形成及調節原理。
  14. Thus by using pressured water as dielectrics, the energy density of the energy system could be enhanced notablely and the pfl could be miniaturized too

    這一結果不僅有利於脈沖形成線的小型化，還能提高以水為儲能介質的儲能系統的儲能密度。
  15. Ideally, the voltage ’ s transmission efficiency of blumlein can reach to 100 percent, which is two times of the single pulse - forming line ’ s, so it will be applied widely in ultra - wideband source circuit

    而且理想情況下雙脈沖形成網路的電壓傳輸效率可達到百分之百，是單形成線的2倍，使其將會在超短脈沖源產生電路中得到廣泛應用。
  16. As for high - energy linear induction accelerator, miniaturizing pulse - forming line ( pfl ) is helpful to minify the size of the massive pulsed power system. at the same time, wealth and space could be economized

    同時脈沖形成線小型化對於一臺大型直線感應加速器來說，不僅有利於減小其龐大的脈沖功率系統，而且節省了大量的財力資源和空間體積。
  17. Using an equivalent circuit model, the limit to the achievable rising time with spark technology was calculated, and a pulse conditioning system consisting of coaxial transmission line and sub - nanosecond switches was designed and built

    調制器由脈沖形成線、傳輸線、主開關、亞us開關（ pc開關）和匹配負載組成，其中的亞us氣體開關能穩定運行於45atm 。
  18. Finally, a compact uwb pulse source composed of pzt95 / 5 ferroelectric ceramic, a 50 coaxial transmission line charged by a pulse transformer, a peaking - chopping switch, a coaxial matched load and a pulse diagnostic system was built and tested, which can produce pulse voltage on a matched 50 load with peaking voltage of 100kv, rising time of 870ps, falling time of 670ps, and fwhm of 1. 410ns

    在上述工作的基礎上，我們研製了一臺以pzt95 5鐵電陶瓷沖擊去極化為能源的新型緊湊型脈沖發生器。該發生器由pzt9515爆電能源、空心脈沖變壓器、單同軸脈沖形成線、 pc開關、同軸匹配負載和脈沖診斷系統組成，能產生100kv 、上升前沿870ps 、后沿670ps 、脈寬1 4us的超寬帶脈沖。
  19. But if we using the same size blumlein line as pfl, we can only get a square pulse with 31ns pulse duration. this experiment results show that replacing the intermediate conductor of blumlein line by helical conductor can get long pulse

    實驗表明採用螺旋blumlein型脈沖形成線我們得到負載上的方波脈沖的脈寬為260ns ，而同樣長的blumlein線在負載上只能得到31ns的方波。也就是說螺旋blumlein線在原理上是可得到長脈沖的。
  20. The controller takes full advantage of the features of ti tms3201f240xa processor, such as high performance processing capabilities, plenty of peripherals on chip and high real time control. by the vital of these features the fast ac sampling, synchronic pulse, digital shift phase trigger pulse, can bus communication, pid control method and excitation limitations are realized. the pretreatment of the switch signals and the test of the shift phase trigger pulses are realized by using the complex programmable device ( cpld )

    該勵磁控制器充分發揮了tms3201f240xadsp處理器的強大的數據運算能力、豐富的片內外設資源和較強實時控制能力，用單片系統結構實現了快速交流采樣，數字同步脈沖形成， can現場總線網路、以及pid控制演算法和各種勵磁限制等功能；用cpld器件實現了開關量抖動預處理和可控硅觸發脈沖遺漏的檢測，減輕了dsp處理器負擔，提高了勵磁控制器可靠性、抗干擾能力和控制能力；使用vc + + 6 . 0開發的基於windows操作系統的勵磁系統調試軟體，人機界面簡潔友好，使用操作靈活方便。
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