脈沖中心 的英文怎麼說

中文拼音 [màichōngzhōngxīn]
脈沖中心 英文
pulse center
  • : 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
  1. The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module

    整個系統分為三個模塊: ccd驅動模塊的核是一片復雜可編程邏輯器件( cpld ) ,對其編程產生ccd的驅動及同步控制信號;視頻輸出信號經預處理后,由高精度ad轉換模塊進行采樣,將ccd輸出的模擬信號轉換成數字量;最後,將數據送入arm處理系統進行后續處理。
  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. Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system

    本文在安全跟車模型的基礎上,提出了系統方案:採用霍爾多轉速傳感器測量汽車的速度,毫米波雷達測量兩車的距離和相對速度,利用at89c51作為信息採集單元的控制,對各種信息進行分析判斷,當行車距離小於報警距離時啟動相關的報警單元。
  4. 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,分析各種以光導開關為核器件的電成形電路: auston電路、 blumlein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。
  5. Remaining at the center of the vela supernova remnant is a pulsar, a star as dense as nuclear matter that completely rotates more than ten times in a single second

    船帆座超新星爆炸遺骸的還存在著一顆星,它是一顆如原子般緻密的天體,一秒鐘可以自轉十次以上。
  6. ( 2 ) the investigation about driving fatigue of information operation showed if the information become more complex, the reaction seriously reduced, however, fatigue degree increased. otherwise, with the age advancing, the reaction slowed. ( 3 ) an instrument called testing force machine is utilized to correctly illustrate the center of gravity moving track

    對駕駛時間負荷、信息負荷進行聯合效應實驗,提出信息復雜度及駕駛疲勞的效應和u型效應;並進一步提出連續性與離散性負荷的駕駛疲勞問題,為人一車一路系統以人為核的優化匹配設。
  7. ( 2000 ). the neutron irradiation is assumed to derive primarily by the reaction 13c ( a, n ) i60 with a minor contribution from the marginal burning of 22ne through the channel 22ne ( a n ) 23mg in the final, high temprature phase of each flash. and we considered the influence of the various parameters such as the initial core mass, the envelope mass, the mass - loss rate, the overlap factor and the delution factor etc., and we vary their value with the pulse number

    本文採用分叉s -過程反應通道,以~ ( 13 ) c ( , n ) ~ ( 16 ) o 、 ~ ( 22 ) ne ( , n ) ~ ( 25 ) mg為雙子源,用最新的子俘獲截面,利用gallino和busso等人給出的agb星三殼層核合成模型,考慮到核質量、挖掘程度、重疊因子、稀釋因子及星風質量損失率隨數的變化,詳細計算和研究了各個金屬豐度情況下的3m 。
  8. To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. in the measure of the groove voltage, the method of float - ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square curvefit is adopted to reduce the system error

    鋁電解生產現場電磁干擾非常嚴重,為此我們將需要測量的模擬信號就近轉換為頻率后再傳送到控制核;採用浮地接入方式消除槽電壓信號的共模成分;設計了量程自動切換電路以解決槽電壓的動態范圍寬和測量精度高的矛盾;用最小二乘法進行曲線擬和以降低測量的系統誤差。
  9. It can cancel the harmonic phenomena along cross directions and deduce the cost of computation. in chapter four using the impulse characteristics of inciding wave, we test the energy peaks in the transient impulse response of radar targets

    本文第四章用能量峰概念和微分參數估計的方法,在時域研究了目標響應的特性,該方法可以分解出目標上不同散射的散射波。
  10. Radio - frequency noise jamming is an effective jamming to pulse compressed ( pc ) radar. it shows the best jam quality when it ' s bandwidth equals to the jammed signal ' s bandwidth and it ' s central frequency equals to that of the jammed radar ' s receiver

    射頻噪聲干擾對壓縮雷達是一種有效干擾,在其帶寬等於雷達信號帶寬,頻率對準雷達的頻率時具有最佳的干擾品質。
  11. The spooky blue interior glow is emitted by high - energy electrons accelerated by the crab ' s central pulsar

    鬼魅的藍色內部光線是由被蟹狀星雲星加速了的高能量電子發出的。
  12. The frequency and mode of the generated microwave are very pure. these results can provide a possible method for constructing a compact high - power microwave device. in addition, a virtual cathode oscillator with an axially extracted te11 mode based on the spark05 accelerator in our laboratory has also been investigated using the pic simulation code

    基於spark05加速器電子束參數設計的軸向提取te11模虛陰極振蕩器,利用類似的設計思想,通過改變電壓的饋入方式和陰陽極結構,實現了陰極負電壓的激勵,同樣獲得了較好的粒子模擬優化結果。
  13. The circular monopole ultra - wideband antenna has not only the extremely wide band in frequency domain, but also stable phase center, which makes the antenna radiate and receive the short pulse signals without any distortion, and suitable for various ultra - wideband communication systems or the single antenna of other multi - frequency operating communication systems

    這種天線不僅具有極寬的阻抗帶寬,還擁有穩定的相位。這使得圓盤單極超寬帶天線可以不失真地收發時域短信號。所以該天線不僅適用於超寬帶通信,還能夠作為復雜多頻工作系統的單一收發天線。
  14. Adopting single pulse neutron exposure 22ne ( a, n ) 2dmg and the updated neutron cross section, making use of the core helium burning model of the single neutron exposure theory, we calculate the s - process nucleosynthesis in massive stars at different mettalicity and compare the results with the solar s - weak component

    我們採用單子源『 zne ( a , n ) zsmg ,採用最新發表的子俘獲截面,用氦燃燒模型計算了各金屬豐度情況下15m m叼0m 。的大質量星的s過程核合成,並將所得結果與太陽的s刁分量進行比較。
  15. In the third section, i. e. chapter five, the normal raman spectra of nil2, cul2, pdl2 powder are studied under the excitation of laser with the wavelength of 632. 8nm and aqueous silver colloid is prepared by pulsed laser ablation, from which the surface enhanced raman spectra of the three compounds are obtained. after preliminary assignment, the identical and different features of vibration of the compounds due to the different central metal atoms are analyzed

    第三部分,即論文的第五章,我們以632 . 8nln為激發波長研究了nilz 、 culz和pdl :三種新型金屬有機化合物粉末的正常拉曼光譜,並且以激光刻蝕法制備了水銀膠,以其為襯底研究了三種化合物溶液在其上的表面增強拉曼光譜,通過對其拉曼光譜進行了初步指認,了解由於原子的不同,三種金屬有機化合物分子振動的相同和區別。
  16. Using the variational method, analytical conditions for stationary pulse propagation in dense period fibers with strong dispersion management are deduced. the expression of initial soliton peak power is given. by employing the obtained formulas, the soliton evolution semi - analytically in various dispersion maps can be investigated. effects of the third order dispersion are also studied in this paper. the results show that imperfect dispersion slope compensation can cause pulse central position shift and even serious degradation of soliton shape

    利用變分方法,推導出了在強色散管理的密集周期光纖穩態傳輸的解析條件,並給出了初始峰值功率的表達式.運用這些公式,對各種色散管理系統孤子的演化進行了半解析的考察.三階色散也被考慮在內.結果表明:不完善的色散斜率補償將導致脈沖中心位置的偏移甚至嚴重的孤子形狀劣化
  17. The paper discusses the work princinple of ldcsm, adopts singlechip as core control cell, puts forward two kinds of control schemes, analyzes and study the technique scheme, hardware and software design of each control system separately in detail, on the basis of the centralized winding electrifying trait and pulse stepping control method of two phase hybrid linear dc step motor ( hdclsm )

    論文在討論了直線直流步進電動機工作機理的基礎上,根據兩相混合式直線直流步進電動機( hdclsm )集繞組的通電特點和步進控制方法,採用單片機為核控制單元,提出了兩種數字控制方案,分別就每種控制系統技術方案、硬體電路、控制軟體設計等技術內容進行了詳細地分析和研究。
  18. We derive an analytic expression of the group velocity dispersion ( gvd ) induced chirp and the self - phase modulation ( spm ) induced chirp in the normal dispersionregion of non - kerr - like optical fibers with saturable nonlinarity. the evolution of chirp is simulated by numerical methods. the studied results show that the more powerful saturable effects, the smaller is chirp and the gently is chirp. the net chirp is zero in the central region of the pulse

    從理論上推導出具有飽和非線性的非克爾光纖正常色散區內,群速度色散效應導致的啁啾和自相位調制效應導致的啁啾解析表達式.利用數值解法模擬了非克爾光纖正常色散區啁啾演變過程.研究結果表明:當非克爾光纖的飽和非線性增強時,凈啁啾不斷減小,而且,越來越平緩,脈沖中心附近區域凈啁啾接近零
  19. The company was founded in 1995 with 10 million rmb yuan of investment and an area of 34000 sqm, 18800 sqm of workhouse, more than 50 sets of plastic injection machine and the biggest is 850 tons, and established molding shop and own one set of cnc machine, electrical pulse machine, lathe, drilling machine, milling machine and 25 technicians

    公司創建於1995年,總投資1000萬人民幣,佔地面積34000m2 ,擁有廠房18800m2 ,各種型號注塑機50餘臺,其最大的為850噸;並成立模具部,且備有加工一臺及相應電線切割車床鉆床銑床等設備,擁有專業技術人員25名。
  20. If the condition of resonant is well satisfied, the electric field generated by a single microwave pulse is enhanced rapidly to the maximum value in the middle of the slot, then the value of the electric field attenuates slowly

    當共振條件滿足時,單入射情況下孔縫電場很快增加到最大值,而後呈慢衰減趨勢,多波入射下,電場經幾次疊加才到達最大值。
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