脈沖沿 的英文怎麼說

中文拼音 [màichōngyán]
脈沖沿 英文
edge of pulse
  • 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
  • 沿 : 沿名詞（水邊） water's edge; bank
  1. Not only was the pattern of recordings along the artificial lateral line similar to the pattern recorded from the nerve cells of a real fish, but the computer could also decipher it to follow the source of the pulse as it moved along different paths

    結果顯示不僅該系統記錄的圖形與從真正的魚身上的神經細胞所記錄的圖形相似，而且配套的電腦程序還能通過對記錄圖形的解讀來追蹤沿著不同路徑移動的脈沖水波的源頭。
  2. The movement occurs on the trailing edge of the pulse.

    移動是在脈沖的下降沿產生的。
  3. We apply the agrawal ' s theory model of soa, and study the temporal characteristics of the output pulse for input picosecond optical pulses with different sharpness edges passing through a semiconductor optical amplifier, and find that the peak power and the pulse width of the output pulse depend on the input pulse peak power, the sharpness degree of the input pulse edge and the bias current of soa

    本文應用agrawal的關于soa理論模型，詳細研究了具有不同陡峭邊沿的皮秒超高斯光脈沖經soa后的時域特性的變化，發現輸出脈沖的峰值功率、脈沖寬度與輸入脈沖的峰值功率、輸入脈沖邊沿的陡峭程度以及soa的偏置電流密切相關。
  4. We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped

    結論是：當脈沖長度接近等離子體波長時，稀薄等離子體將發生「前向受激raman散射」 ，它使脈沖后沿拉長，導致尾流場的相速度變小，以至於被尾流場「捕獲」的電子最大動能大大下降。
  5. The technology of alternating - current - boosting by way of constant current is successfully used to charge capacitors with 25 kilojoules of energy in only eight seconds. rail - gap switch with performances of long life and highly steady state are designed. and the high voltage pulse generator, which can produce low - excursion and fast - rise pulses, are designed by using double trigger circuit and hydro - thyristor as switch

    在大功率恆流充電技術上，成功的應用了交流調壓式恆流技術，可以在8s內讓電容器儲存25kj的能量;設計出了長壽命、高穩定的軌道開關;採用氫閘流管做開關，使用雙觸發電路，研製出了低抖動、快前沿的高壓脈沖發生器（點火機） ;採用單片機和pld ，研製出了精度為10ns的延時同步機。
  6. It ' s high - frequence noise absorption, absorption of noise caused by rapid rise of front and self - reset function have widespread application in imput of supply, for absorption of inductive load switching surge voltage and for protection of two - way thyristor switching device, bypass capacitors, micro - machines and the others

    它所具有的吸收高頻噪聲、前沿快脈沖上升噪聲及自復位功能，使其在電源輸入端、吸收電感性負載開關浪涌電壓、保護雙向可控開關器件、旁路電容器、微型電機等方面有著廣泛的用途。
  7. If the host pulls clock low before the first high - to - low clock transition, or after the falling edge of the last clock pulse, the keyboard / mouse does not need to retransmit any data

    如果在第一個高- >低時鐘跳變時， （或者在最後一個時鐘脈沖的下降沿之後）主機將時鐘拉低，鍵盤/鼠標不必重新傳輸任何數據。
  8. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性，提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓，在滿足輸出電壓條件下使諧波最小。
  9. The enhanced preamble detection must get the start time of the signal by the detection of valid pulse position and lead edge

    報頭檢測的任務是檢測有效脈沖位置和上升沿檢測，從而確認一個四脈沖的報頭，得到信號的到達時間。
  10. Surface flashover across the insulators in vacuum is the major limitation of the performance of the high power system, such as high power microwave tube, pulse power switch, high - energy linear accelerator, etc. flashover studies are of considerable importance in many applications. alumina ceramics are used widely in vacuum insulation system. the flashover and charging performance have been systematically investigated on alumina ceramics in vacuum under pulse voltage ( 0. 7 / 4 ^ 8 )

    真空中絕緣子沿面閃絡現象是制約高功率微波管、脈沖功率開關、高能粒子加速器等系統性能的主要原因，這是因為真空中絕緣子在一個比自身及相同真空間隙擊穿電場低得多的電場下就發生了表面閃絡的緣故，研究真空中絕緣子沿面閃絡現象及其形成機理對于改善和提高系統性能有重要意義。
  11. After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened

    為了使探測器的性能得到進一步的提高，我們對其進行了電子輻照改性，並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應，並對其響應時間，后沿下降時間，半高寬（ fwhm ） ，載流子壽命，靈敏度進行對比，研究，結果顯示經電子輻照后的探測器的性能得到了改善，使響應速度，分辯率進一步提高，並消除了探測器輸出信號后沿的非線性，雖靈敏度有所降低，反而使其測量范圍得以拓寬。
  12. At present, signal pulses produced by directly modulated laser diodes have been used in optical fiber communication systems. the experiment reveals that the optical pulses from directly modulated laser diodes are far from gaussian and have near - rectangular temporal profiles with much sharper leading and trailing edges, and then a super - gaussian model, which assumes that an incident optical pulse has a super - gaussian profile, may be more suitable

    但在實際的光通信系統中，人們常採用由直接調制半導體激光器產生的光脈沖作為信號脈沖，而實驗結果表明這種脈沖具有比高斯脈沖更為陡峭的前沿和后沿，其脈沖形狀更接近於超高斯分佈，並且通常還帶有一定量的啁啾。
  13. At recent year, with the development of cpa and other amplification technology, laser intensity achieved great increase and laser power can be high to petawatt now, this ultrashort pulse lasers offer scientists a route to investigate laser - matter interaction in an absolute new regime

    近年來，隨著cpa （脈沖啁啾放大）等技術的發展，激光的功率有了很大的提高，超短脈沖激光器及超短脈沖激光與物質相互作用的研究，已發展成為當今世界最熱門最前沿的領域。
  14. The optimum intervals between the two pulses is about 1. 7 in our simulation which is much longer than the commonly cited value 1. 5. 3. in the sm - lwfa simulation, we turned our attention to the wakefield generation and electron acceleration driven by the " self - modulated instability " and " side stimulated raman scattering "

    我們首先提出「三角脈沖激發尾流場加速電子」的方案，利用「三角脈沖」平緩的上升沿激發「受激raman散射」預加熱電子，其陡峭的下降沿激發尾流場可以使更多的電子被「捕獲」 。
  15. The amplifier request band width, to adapt radiation pulse randomness and its extremely quick front

    放大器要求頻帶寬，以適應輻射脈沖的隨機性和其極快的前沿。
  16. Firstly, the paper discusses the characters, principles of excimer laser, and study on pulse discharge process. secondly, for the purpose of designing excimer laser, i spent a lot of time to researsh and finish electrode designing, reducing circuit inductance, spark gap designing, ns discharge, uv preionization, glow discharge

    本論文首先對準分子激光特點，原理，脈沖放電進行了評述，其次，以試制xecl準分子激光器為目的，探索並完成了電極設計、迴路電感減小方法、火花開關設計、 ns陡前沿放電、紫外預電離、輝光放電、脈沖功率技術研究。
  17. Development and experimental research on the fast rise time emp generator

    快前沿納秒高壓脈沖源的開發及實驗研究
  18. Recent progress in ultrafast optics has allowed the generation of ulfcraintense light pulses comprising merely a few field oscillation cycles. the arising intensity gradient allows electrons to survive in their bound atomic state up to external field strengths many times higher than the binding coulomb field and gives rise to ion - ization rates comparable to the light frequency resulting in a significant extension of the frontiers of nonlinear optics and ( nonrelativistic ) high field physics

    隨著超快光學技術的發展，僅含幾個振蕩周期的超強脈沖已經能產生，且其強度梯度可使電子存在比庫侖束縛場高許多倍的外場產生的原子束縛態上，並產生了同光頻相差不大的電離率，從而促進了非線性光學前沿及非相對論的強場物理的延伸。
  19. The pulse - peek sampling and adc module is able to catch a single and very narrow pulse in order to sample its peek value without being influenced by other pulses or noise. the pulse - peek sampling and adc module can also adapt itself to different rising edge of pulses, so it can scale different types of explorers made by our research institute

    X射線探測器定標分析系統的前端脈沖峰值採集及其轉換電路能夠實現單個快速脈沖的捕捉及對不同脈沖上升沿陡緩的適應，它對不同傳感器的放大信號特徵都有很好的適應性，對脈沖峰值采樣的結果具有很高的精度。
  20. Next, the effects of the electron - beam quality on the characteristics of the vircator are investigated with simulation method. the simulation results show that the front edge of the beam pulse has almost no effect on the saturated microwave output, while good front edges can accelerate the saturation of the virtual cathode oscillation, and beam quality ( except its energy spread ) has almost no effect on microwave frequency, and so on

    結果表明：上凸形束脈沖前沿可使虛陰極振蕩器達到飽和振蕩的時間縮短但對微波飽和功率基本無影響；束流脈寬應足夠大，否則虛陰極振蕩器不能達到飽和振蕩（對應本文中的模型，束脈寬應大於16ns ） ；能散度的影響不可忽視，當能散度為5時，束波轉換效率從單能束時的3 . 8降至1 . 5 ；束流質量（除能散度外）對微波頻率基本上沒有影響等。
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