脈沖輸出能量 的英文怎麼說

中文拼音 [màichōngshūchūnéngliáng]
脈沖輸出能量 英文
output energy 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
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 能 : 能名詞（姓氏） a surname
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 輸出 : 1 （從內部送到外部） export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  • 能量 : 1 [物理學] energy; amount of energy 2 （能力） capabilities; capacity; 能量不滅 conservation of e...
  1. This system uses a ring structure instead of complex multiangular optics structure. stimulate raman scatter is used to combine laser beam and it also improve the quality of laser beam

    採用這個激光能量儲存環技術能提高準分子激光放大超短脈沖激光的效率，獲得高功率，高束質的激光輸出。
  2. However, in the pulse application fields, the output pulse energy from single mode fiber lasers or amplifiers is limited by amplified spontaneous emission ( ase ), nonlinear effect and facet damage

    在脈沖激光應用領域中，這類小芯徑光纖放大器和激光器的輸出脈沖能量受限於自發輻射放大、非線性效應以及光纖的端面損傷。
  3. Thus, 21mj of single pulse energy has been obtained. in the case of 10 % reflectivity, less than 3. 7ns with 8. 6 : 1 pulse - compression ratio has been observed

    應用200 m光纖獲得了21mj的四通放大輸出能量並在能量反射率10的情況下獲得了高達8 . 6倍的脈沖壓縮比。
  4. Combining high voltage new technology and power electronics technology, this paper developed a controllable steep pulse generator ( cspg ) that can control the energy of output pulse accurately. applied with this generator, a lot of cell experiments and animal experiments were carried out. based on these works, it ' s easier to research mechanism of irreversible electrical breakdown ( ireb ) of malignant tumor cell under steep pulse, and it may be helpful to generalize energy controllable steep pulse therapy ( ecspt ) on cancer treatment

    為了研究能量可控陡脈沖對惡性腫瘤細胞不可逆性電擊穿的機理，並將能量可控陡脈沖療法應用於惡性腫瘤的臨床治療，本論文研製出了一套能對輸出陡脈沖的能量進行精確控制的陡脈沖發生裝置，並應用該裝置進行了大量的醫學細胞實驗和動物實驗。
  5. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。
  6. Some researches about frequency doubling are made, and two methods to improve intensity of second frequency generation are given. we realized q - switched 532 nm laser, by using nd : gdvo4 as laser crystal, using cr4 + : yag as saturable absorber, using ktp as intra - cavity frequency doubling crystal. average power of 109mw, repetition of 40khz, pulse width of 30ns, pulse energy of 2. 6uj, peak power of 91w are obtained

    4 .對倍頻理論進行研究和分析:討論兩種提高二次諧波功率密度的方一法;實驗匕在國內首次實現ld端面泵浦nd : gdvo4 / ktp ，用cr4 + : yag作為可飽和吸收片的綠光激光器，腔內倍頻得到了平均功率為109mw 、重復頻率為40khz 、脈寬為3ons 、單脈沖能量為2 . 6閃、峰值功率為glw的調q綠光輸出。
  7. X fluorescence can quickly carry out measurement without damage and motion. it was widely adopted in geology, mining, environmental - protection, archaeology and industrial - analysis. its principium is that in measurement of radioactivity, the pulse energy is directly proportional to pulse signal amplitude detected by the radiation detector

    X熒光方法可以實現快速、原位、無損測量，被廣泛應用於地質、礦業、環保、考古、工業在線分析等領域，其原理是：在核能譜測量工作中探測器輸出的脈沖信號與入射粒子的能量成正比，通過測量脈沖信號幅度，得到入射粒子的能量。
  8. 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。
  9. At last, an experiential power supply was made, and a series of experiments is done. a lot of high - frequency pulse current was superposed on dcen current, modulated the welding current waveform we required and optimized the energy distribution, which satisfied the basic requirement of cathode cleaning

    最後製作了一臺實驗電源，並進行了一系列的電弧實驗，通過在變極性電源電流dcen基礎上疊加一系列脈沖電流，調制出所需電流波形，實現輸出能量的最優分配，在滿足陰極清理的前提下，最大限度地提高焊接效率。
  10. Lastly, many experiments are done on the base of simulation. output power, frequency, mode and pulse shortening phenomena of the microwave radiated from the device are analyzed during the experiment. the energy of microwave radiated from the device is calculated

    最後在模擬的基礎上對該器件進行了詳細的實驗研究，分析了器件輸出信號的功率、頻率、輻射模式以及脈沖縮短的現象，同時還從能量的角度對器件輻射信號進行了分析。
  11. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。
  12. Abstract : by using the pulse - sequence model ， the inverse problem of amplification of broad - spectral - bandwidth laser pulse has been studied ， i. e. ， to find the initial input temporal pulse profile ， spatial profile ， spectral distribution and fluence from the required output temporal ， spatial pulse profile ， spectral distribution and fluence as well as the given amplifier parameters

    文摘:採用脈沖分割模型，研究了寬頻帶激光脈沖放大的逆問題，即由所要求的輸出激光脈沖時間、空間波形、光譜分佈和能量密度，並給定放大器參數情況下，求輸入激光脈沖時間波形、空間、光譜分佈。
  13. A circuit with multiple inputs and one output that is energized only when a designated set of input pulses is received

    選通電極，門電路具有多個輸入端和一個輸出端，只有當一套指定的輸入端受到脈沖時才有能量
  14. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中，作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式，然後，採用magic程序模擬了這種波導結構中電磁波的傳播情況，得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖，並由模擬結果計算了波包穿越勢壘的群速和能量速度。
  15. However, to suppress high order modes, bending multimode fiber will bring additional power wastage, which will affect the output characteristics of fiber amplifiers and fiber lasers, such as the gain and pulse energy

    對多模光纖採取彎曲來抑制高階模的方法帶來了額外的功率損耗，這個額外的損耗對光纖放大器的增益以及輸出的激光脈沖能量都會造成影響。
  16. The conditions for long distance propagation and self - guiding are given. 3. an optical amplification system for 10 ps krf laser with polarization multiplexing is developed and the energy of 140 ml is extracted

    發展了一種適用於超短脈沖激光的光學偏振放大技術，並應用於10pskrf激光放大系統中，可在有限的激光輸出口徑內有效地提取激光的輸出能量。
  17. This paper describes a transistorized low consumption and fast recovery photomultiplier bases. the base developed for detector dissipates less power and recovers faster than its resistor - only ( or rc ) counterpart

    摘要介紹了由電晶體化的光電倍增管偏置電路的研究，該電路具有功耗低、穩定可靠、輸出脈沖上升時間快、能量分辨高、脈沖線性好、恢復時間快等優點。
  18. Analytical formulas for the peak power, pulse energy, pulse width, energy extraction efficiency, repetition rate and average output power are derived

    計算出了自調q脈沖的峰值功率，單脈沖能量，脈沖寬度，能量利用率，重復頻率，平均輸出功率等。
  19. The experiment with cr4 + : yag of 30 % and 63 % initial transparence was conducted in plane - convex unstable resonators and get the laser ' s fwhm and output energy are accordingly 8ns and 52mj, 18ns and 45. 7mj. it is proved that the nearer the max initial transparence is the initial transparence, the stronger intensity and smaller fwhm can be obtained cr4 + : yag crystal, which is consistent with the theoretical results. in addition, the experimental results acquired in different resonator structures and parameters are also analyzed

    在平-凸非穩腔中，採用初始透過率為30和63的cr ~ （ 4 + ） yag進行實驗，得到能量和脈寬相應為52mj 、 8ns和45 . 7mj 、 18ns的調q脈沖輸出，這表明：採用初始透過率越靠近最大初始透過率的cr ~ （ 4 + ） yag ，可得到越理想的實驗結果，這與理論分析一致。
  20. This paper is finished based upon a part of the project, which is the design of delta - sigma adc in a high precision electrical meter chip. i introduce the basic theory of delta - sigma adc in detail and bring forward a way to design 18 bits delta - sigma adc which is successfully used in the project, at the first time the paper introduce the the basic theory of delta - sigma adc and two typical decimation fir digital filters

    本論文主要基於「一種高精度脈沖輸出的電能計量集成電路」項目中關于delta - sigma模數轉換器的設計部分，論文中在對delta - sigma模數轉換器原理進行深入理解的基礎上，提出了一種高精度delta - sigma模數轉換器的解決方案，並運用於以上項目中取得很好的效果。
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