能量脈沖 的英文怎麼說

中文拼音 [néngliángmàichōng]
能量脈沖 英文
energy pulse
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 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
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  1. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理;首次定研究193nm準分子激光高斯光束的切削密度的關系,計算單個激光角膜切削;發現了角膜曲率對切削效果的影響,首次提出了角膜曲率半徑、切削位置與切削深度的關系;首次定確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響,為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。
  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控制,文中設計了igbt門極驅動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的計算。
  3. The same “ pulsing ” frequency that is invisible to human eyes infiltrates longer distances due to the infrared illuminator ' s quick energy bursts

    由於紅外線照明燈的快速能量脈沖同樣的""的次數太多,無形中提供人眼更長的觀測距離。
  4. The study of isopulse generator

    能量脈沖電源的研究
  5. Theoretical study on energy equilibrium of pulsed liquid jet pump

    液體射流泵平衡的理論研究
  6. 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

    採用這個激光儲存環技術提高準分子激光放大超短激光的效率,獲得高功率,高束質的激光輸出。
  7. The transmitted information is coded into the amplitude of the pulses so that each predetermined value of pulse energy is associated with a message.

    把傳輸的信息編碼成的振幅,因而使每個預先規定的值對應於一個信息。
  8. The experimental data are in good agreement with the calculated results of the model by analysis of the data of the laser pulse of different energy induced the laser plasma shock front by acoustics means. in addition, the calculated results of the model are in good agreement with the experimental data by optics means

    同時設計應用聲學方法對水中不同激光作用下產生的激光等離子體擊波波前傳播過程進行測試及數據分析,對光學陰影方法探測的激光等離子體擊波近場波前傳播數據進行詳細分析,結果表明新模型計算結果與實驗測值一致。
  9. All subjects underwent spirometry, measurement of aortic pulse wave velocity ( pwv ) and augmentation index, dual - energy x - ray absorptiometry, and blood sampling for inflammatory mediators

    所有的研究對象接受肺測定法,測主動速度和增強指數,雙x線吸收儀和採集血樣分析炎性介質。
  10. Measurements of the electrical properties of electronic tubes. part 20 : methods of measurement of thyratron pulse modulators

    電子管電性的測.第20部分:閘流管調制器的測方法
  11. 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

    激光應用領域中,這類小芯徑光纖放大器和激光器的輸出受限於自發輻射放大、非線性效應以及光纖的端面損傷。
  12. In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect

    在雙光子共振情況下,即入射頻率等於1 、 3級之間的共振頻率的一半,由於介質中放大的自發輻射和四波混頻的作用,部分入射轉化為高頻和低頻電場成分的,分子介質表現出了很強的光功率限幅特性。
  13. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測序列多普勒頻率變化率的方法。
  14. 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,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:在核譜測工作中探測器輸出的信號與入射粒子的成正比,通過測信號幅度,得到入射粒子的
  15. The transmitter sends out short intense bursts or pulses of energy with a relatively long interval between pulses.

    發射機發出的是短促而又強烈的,具有相當長的時間間隔的「突發」即能量脈沖
  16. 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的峰值功率,單寬度,利用率,重復頻率,平均輸出功率等。
  17. Abstract : the experiment about ignition property of solid e nergetic materials was done by laser which was generated by big powerful laser i nstrument - nd : yag. the influence on the ignition property of difference enery, puls e width and different frequency of laser instrument and different webs of the pr opellant. was studied and analyzed which may be used to do further researches for ignition

    文摘:使用大功率nd : yag激光器產生的激光,對固體含材料的激光點火性進行了實驗研究,分析了不同寬度、調制頻率及藥粒尺寸等因素對點火特性的影響,為激光點傳火系統的研製提供了實驗依據。
  18. Active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors. usually the target - receiver range can be got by the propagating time of a signal pulse. if this propagating time is larger than the pulse repetition period, it will mean that more than one signal pulse are on propagation

    主動水聲跟蹤定位系統通過測信號的傳播時延可以測得目標相對接收機的距離,當此傳播時延大於系統同步周期時,時延測就會呈現不確定性,可相差若干個重復周期,導致定位解多值,稱之距離模糊現象。
  19. For the ld pumped self - q - switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated. then we know how to choose the parameters of the self - q - switched laser for design

    根據自調q二極體泵浦固體激光器的特點,計算了腔內損耗、腔長和飽和吸收體的初始吸收系數對于峰值功率、單寬度和利用率的影響,並由此提出了設計自調q激光器中的參數選擇規律。
  20. Realizing the impact of chirp on the effect of carrier phase, some analytical expressions of chirped few - cycle pulses are also calculated, such as frequency gravity, pulse energy, center of gravity of time, effective pulse width, etc. results show that chirp makes the pulse characteristics more sensible to carrier phase, and chirp has greatly increased the pulse width when the carrier phase takes effect

    考慮到啁啾對載波相位作用程度的影響,導出了啁啾的頻率重心、攜帶的時間重心以及有效寬度等參的解析表達式,分析表明,啁啾使得載波相位比無啁啾的情況提前起作用了,即啁啾在很大程度上增大了載波相位發揮作用所對應的寬范圍。
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