lead beam 中文意思是什麼

lead beam 解釋
引導光束
  • lead : n 1 鉛，鉛製品。2 【航海】測鉛，測深錘，水砣。3 〈pl 〉（鋪屋頂的）鉛皮；鉛皮屋頂；【印刷】插鉛，...
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  1. In order to obtain the maximum conversion efficiency we always hope the pump source is operated at the maximum level, thus to raise the input pump energy, we have to apply the galilean telescope to input the pump beam, but it will lead to the bad pump beam quality and the large output beam linewidth

    為了獲得最大轉換效率總希望使泵浦源運轉在可達到的最高水平，因此不得不採用伽利略壓縮望遠鏡輸人泵浦光以提高輸人泵浦光的能量，但是這同時使泵浦光質量變壞，使得輸出線寬變大。
  2. While simulating the resonant circuits, we finished a microstrip resonance, which has high q - factor and fits to design w - band low phase noise oscillators. select beam lead hyperabrupt junction varactor and gunn die made in china as vco ’ s frequency turning component and minus resistance

    此外，文中還對w頻段微帶結構直流偏置網路、微帶波導過渡等外圍電路進行了模擬優化，設計方法和結論對毫米波微帶電路設計具有通用的參考價值。
  3. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方法，導出了大位移彈塑性梁單元剛度矩陣的顯式表達式，在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響，剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響，是因為本文認為，保持平衡所需的所有應力，它們各自的二階效應會相互抵消，因此忽略其中的任何一項都可能導致不正確的結果。
  4. 4, single focuse the single head : is single for single laser head that panasonic lead off to adopt to focuse the double the laser beam for focusing ordering the project, he adopting the special whole synthesizing lens, passing lens in the center part ofly the focusing of formation cd the point, and pass the anastigmatic laser beam of part edge the formation the focusing of dvd the point, this kind of construction because of have no the machining to spread to move, and also can t produce the mechanical trouble, therefore increased to recognize the dish the speed, and however and also lowered the cost. but adoption this project of generation is with part of the next generation dvd nonsupports cdr

    4單聚焦單鏡頭：為panasonic率先採用的單激光頭單聚焦鏡雙聚焦點方案，他採用特別的全息綜合透鏡，通過透鏡中間部分的激光束形成cd的聚焦點，通過透鏡邊緣部分的激光束形成dvd的聚焦點，這種結構由於沒有機械傳動，也不會產生機械故障，所以提高了認盤速度，不過同時也降低了成本。但採用此方案的第一代和部分第二代dvd不支持cdr 。
  5. Chip, beam - lead

    梁形引線晶元
  6. It is shown that the effects of the stiffness and inertia of the piezoelectric element that lead to higher first natural frequency on the natural frequencies of the beam are significant, and that of the elastic modulus of the bonding layer is small

    研究表明，壓電元件的剛度和慣量對梁的頻率影響很大，變截面智能壓電梁的一階固有頻率總是高於等截面梁的固有頻率。
  7. The numerical results of the dispersion relation show some nonlinear effects : for a fixed geometry of a waveguid, beam parameters and plasma density, the increment of the modulation parameter may lead to a slight increment of the operating frequency, however, as the modulation parameter increases further, saturation may occur and the dispersion relations are hard to be separated, it is due to the overmodulation of the microwave power, this phenomenon itself belongs to the nonlinear effects

    對於一定的波導、電子注參量和等離子體密度值，等離子體調制系數的增加，使工作頻率略微升高。但是，隨著等離子體調制系數的進一步增加，色散曲線變得彼此之間不可分辨，可以認為是等離子體的過調制導致了柵的飽和。這一現象是非線性的，可見，等離子體柵和調制場中文摘要是非線性關系，等離子體柵是非線性j 。
  8. The following principles are proved : increasing cfp adhesive length will release the concentrating of shear stress near the cutoff point, this will lead to the increment of loading - bear capacity of concrete beams ; increasing the thickness of cfp will improve the transition of load from concrete beam to cfp, this is useful to exert the potential of cfp ; in creasing the anti - shear modulus of adhesive will result enhance the concentrating of shear stress, this is harmful to the effect of cfp reinforced concrete beams

    本文的理論分析結果可以表明：增加碳纖維板的粘結長度可以緩解碳纖維板端部界面上的剪應力集中，改善混凝土梁結構的加固效果；增大碳纖維板的粘結厚度可以增大界面上的剪應力，改善混凝土樑上載荷向碳纖維板的傳遞效果，有利於充分發揮碳纖維布的潛能；如果粘結膠層的抗剪模量過大會加劇剪應力的集中，從而對碳纖維加固的效果不利。
  9. Being the fact that pin switch tends to handle higher power and beam lead pin diode has bad thermo diffuse properties, a power substitution method is proposed to verify pin switch designs

    鑒于pin開關有承受更大的射頻功率傾向和梁式引線pin二極體散熱較差的事實，本文提出了一種替代法進行功率驗證。
  10. For single lens, the change of beam quality lead to the varity of dimension and positions of spot of focused nd : yag laser. a telescopic system can produce constant dimension and position of beam waist

    激光光束質量的變化導致了單透鏡的聚焦光束的束腰大小和束腰位置都發生變化，採用望遠鏡耦合系統可以得到大小和位置都不變的像方束腰。
  11. This kind of switch use the unilateral fin - line as the basic transmission line, the beam lead pin diode of alpha co. ltd is the control element, there is two diodes in each channel and they are welded in circuit in parallel connection

    本課題主要研究的是毫米波鰭線pin管單刀雙擲開關。該開關採用單側鰭線作為基本傳輸線，控制器件選用alpha公司的梁式引線pin二極體，每路使用兩只，採用並聯形式焊接在電路中。
  12. The performance of this material is affected by many parameters, five of which, including exposure power, beam ratio, grating periods, thickness of sample, composition ratio are analyzed in detail by experiments. the results illustrate that weak exposure power and a 1 : 1 beam ratio lead to the good performance

    用實驗方法詳細分析了實驗條件（包括記錄光強、記錄角度（可換算成光柵周期） 、束比）對材料全息存儲性能的影響，並分析了材料本身的參數（包括材料厚度和單體比例）對材料全息存儲性能的影響。
  13. Therefore, by exerting controllable atomic array and quantum states, it is possible for physical realization of a quantum computer and the communication of quantum states. it is shown that a negative detuning of the laser field from the atomic resonance will lead to nonzero light pressure forces and reduce velocities along the laser beam axis

    研究結果表明，當選擇負失諧時，原子將受到來自激光場的阻滯力，在它的作用下，原子沿激光束方向的運動速度大大減小，溫度降低，表現為冷卻效應。
  14. Base beam lead

    基極梁式引線
  15. The measurement and analysis of output factor of lead block fields for high energy electron beam of varian 2300 c d linear accelerator

    直線加速器高能電子束鉛擋野輸出因子的測定與分析
  16. Porras and fu et al proposed that slowly varying envelope approximation and the complex amplitude envelope do n ' t fit anymore for the ultrashort pulsed beam shorter than or even near to one oscillation optical period, because they lead to a spatial singularity

    結果表明，對于脈沖寬度較長（相對於一個光學周期）的超短無啁啾脈沖光束可以使用緩變包絡近似和復振幅包絡表達式。
  17. Influence of dynamic characteristics of lead - rubber bearing on seismic response of continuous beam bridge

    鉛芯橡膠支座動力特性對連續梁橋地震響應的影響
  18. Collector beam lead

    集電極梁式引線
  19. The synthesis of a single - crystal, ultra - long, uniform lead oxide nanowires were observed in a high vacuum chamber with the electron beam bombard in the tb doped pt thin films derived from sol - gel process

    在高真空環境中用高能量電子束對pt t薄膜進行蒸發這種全新的方法，制備出直徑在6 60nxn之間、長徑比高達100的筆直pbo單晶納米線。
  20. Beam lead integrated circuit

    梁式引線集成電路
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