束間射線 的英文怎麼說

中文拼音 [shùjiānshèxiàn]
束間射線 英文
interfascicular rays
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position

    首先,用基於幾何結構的單次反圓模型和cost - 207模型,對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時進行約,將傳統的解無約的非性最小二乘定位問題或近似性最小二乘定位問題轉化為解不等式約的非性最小二乘定位問題;然後,用內點罰函數法估計移動臺的位置。
  2. With the experiment part, the errors of sk - 21 nc machine tool have been measured, and a serial of data is gotten which lead to the error discrimination. ( 3 ) based on the kinematical theory of mbs, the calculation methods for the ideal center envelop curve of grinding wheel on cam grinding, the practical cutter track, inverse contour of cam, ideal nc instructions, precision nc instructions, the inner / outer normal and the fitting criterion of curve have been all discussed in detail in this paper

    ( 3 )通過精密加工的約條件方程,探討理想刀具路、逆變數控指令與實際刀具軌跡之的映關系,解決誤差補償技術提高加工精度的核心問題? ?當要求數控磨床的砂輪中心準確到達給定的理想點時,精密數控指令值究竟該是多少,如何能夠通過計算,獲得這樣的數控指令值,給出經修正的數控指令計算方法。
  3. In the section of fabricating technology, i first discuss the ion beam technology. through the analysis of the effects of each parameter on the surface smoothness, profile fidelity and linewidth resolution in the process of ion etching, the suitable angle of incident ion beam, ion energy, density of ion beam and time of etching are selected combining the actual status of the mask

    在製作工藝的研究方面,首先研究了離子刻蝕技術,通過對離子刻蝕過程中各個參數對刻蝕元件的表面光潔度、輪廓保真度和寬分辨的影響分析,結合掩膜的實際情況選擇出了合適的離子角、離子能量、流密度和刻蝕時等參數。
  4. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻腔中預群聚電子產生輻的自洽方程,同時對性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單隙、多注多隙、單注多隙和多注多隙速調管輸出迴路的諧振頻率、隙阻抗實部和外觀品質因數等特性參數。
  5. The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location

    在無移動通信系統中採用智能天技術,實際上是通過數字信號處理,使天陣為每個用戶自適應地進行波賦形,相當于為每個用戶形成了一個可跟蹤它的高增益天,從而即可以進行全方位通信,也可以用較小的發功率覆蓋相同的范圍以及提高系統容量和業務質量、降低用戶的碼干擾和多址干擾。
  6. With compensation of signal ’ s time delay from different radiating element by phase shifters, phased - array antenna can control array beam easily. because there are no mechanical devices for rotating beam, the phased - array antenna system can scan everywhere in beam covered areas in millisecand by stepping the phase shifters. it improves the tracking velocity of antenna towards the object, and becomes the development trends of weapon system antennas

    相控陣天利用移相器補償信號到達輻單元時的差異,從而控制波方向;天沒有機械旋轉問題,只需改變移相器的設定值,波便可以在毫秒級內掃描其覆蓋空域內的任何地方,提高了天對目標的跟蹤速度,是目前武器系統天的發展方向。
  7. And it should be linear polarization in s direction by analyzing the relations between the reflection, absorption loss of optical thin film at oblique incidence and the polarization state, and at this time the brewster window made of very low - absorption material can be used

    通過對斜入高反鏡反率、吸收損耗與光偏振特性的關系進行分析,表明諧振腔內的本徵振蕩最好應為s方向的偏振光,這樣光輸出窗口還可採用布儒斯特窗。
  8. Advanced mathematical technologies, especially the newly developed wavelet transform and the frame theory, provide a solid foundation for such an effort. the ray - theory based beam - summation method, such as the complex source - generated beam and the gaussian beam methods, and the local phase - space domain ( beamlet domain ) wave field extrapolation methods employing windowed fourier transform ( wft ) or wavelet transform are proposed consequently

    基於理論的高頻漸近(復、高斯)疊加方法,以窗口富里葉變換( wft )以及小波變換為基礎的局部相位-空域(小波域)波場外推方法等相繼產生。
  9. ( 3 ) we explore photorefractive screening solitons and characters of beam transmission in sbn : 61 : cr crystals. the dependence of beam diameter at the crystal output face on applied field is presented. and influences of the limiting space charge field of the crystals on the experimental results are analyzed

    ( 3 )初步研究了兩塊不同摻cr濃度的sbn 61 cr晶體中的屏蔽型空孤子效應,以及不同外加直流電場作用下光在晶體中的傳輸,給出了晶體出表面處光斑直徑隨外電場的變化曲,並分析了晶體中空電荷場的飽和效應對實驗結果的影響。
  10. During these processes, diffraction, self - phase modulation, cross - phase modulation and physical distance between the beam centers all have important effects on the beams and the pulse beams propagation

    在這些過程中,衍、自相位調制、交叉相位調制、光距等都對光和脈沖光在非性介質中的傳輸產生重要的影響。
  11. On the design of the system, the thickness measure system of mems chip is built based on lbu and pump - probe technology. on the analysis of data, the reflectivity curve is analyzed using the law of reflectivity change induced by ultrasound, and the thickness is calculated using the system designed by the article, to aluminum film the size of about 20nm can be measured, when the film be measured is single layer, the relative error of the system is less than 2 %, when the film be measured is double layer, the relative error of the system is less than 10 %

    在基礎理論方面研究了激光(特別是超短脈沖激光)超聲的激勵機理,探討了激光調制技術以提高系統信噪比,闡述了泵探針技術及相關實驗設置;在系統設計上,以激光超聲為基本原理,以泵探針技術為系統設計方案完成了mems基片厚度測量系統的設計;在數據分析方法上,利用聲致光反率變化的一般規律對測得的光反率曲進行分析,確定超聲回波在薄膜兩界面來回傳播的時,以計算薄膜的厚度。
  12. The authors established an initial velocity model based on the first break time of the actual data, then realized the forward calculation with the improved shortest path ray tracing algorithm, and applied the improved constrained damped simultaneous iterative reconstruction technique ( cdsirt ) to solve large - scale and sparse equations for inversing the near - surface velocity field

    根據實際地震數據的初至波時建立初始速度模型;採用改進的最短路徑追蹤演算法進行正演;利用改進的約帶阻尼聯合迭代重建技術( cdsirt )求解大型、稀疏的方程組來反演近地表的速度場。
  13. In the primary experimental study, the microwave power, the microwave frequency, and the mode are measured, hie relations among the microwave radiation, the intensity of the magnetic field, the position of the magnetic coil, the amplitude of the beam current, and the a - k gap are investigated

    在初步的微波實驗中,測試了微波的功率、頻率和模式,測試了磁場強度和圈位置對微波輻輸出的影響,測試了流大小和陰陽極距對微波輻輸出的影響。實驗結果發現微波的功率和模式基本與模擬結果吻合,器件工作穩定,重復性良好。
  14. In the section 1, we have introduced the background and the recent advance of the flattened gaussian beam ; in the section 2, for the first time, we have calculated the type - i and type - ii shg conversion efficiency and simulated curves versus the crystal length, the pumping light polarization rate, the order of the flattened gaussian beam and the pumped power intensity, we obtain ed that the highest efficiency was influenced by the order and the polarization rate of the pumped flattened gaussian beam

    從三波耦合方程及clbo晶體的光學特性出發,討論了以平頂高斯光時穩態的三波耦合方程的大信號倍頻解(包括類及類相位匹配的倍頻解) 。計算了其在clbo晶體上的倍頻轉換效率與晶體長度,基波偏振分量比,基波階數及泵浦波強度之的相互影響關系曲。得出影響平頂高斯光的最高轉換效率的因素是基波的階數n和泵浦波的偏振分量比d 。
  15. The results show that linear spatial chirp upsets the balance between diffraction and nonlinearity, leading to radiation and thus destroying the condition for the formation of soliton, although it doesn ’ t affect the central

    結果表明:性空啁啾雖然對光傳輸的中心位置沒有任何影響,但它打破了衍與非性效應的平衡,導致光發散,從而破壞了孤子形成的條件。
  16. The gauss - ray tracing have the dynamic and geometric character. it can compose the record by calculating the high frequency wave in transverse anisotropic medium, avoiding getting the accurate ray path. it is a very steady and effective method with little calculation time and a good precision

    高斯正演包括地震波運動學特徵和動力學特徵,能有效的計算橫向上不均勻介質中高頻體波的合成紀錄,避開了精確求取兩點路徑,大大減少了計算的時,同時又具有較高的精度,是一個很穩健有效的方法。
  17. Numerical results show that if appropriate delay times of sources are exerted on elements of phased array, direction of acoustic beam radiated from the phased array can be steered so that the refracted compressional wave and the refracted shear wave can be excited effectively

    結果表明,只要在相控陣的各陣元之施加合適延遲時的激勵信號,就可以調整輻器的輻的方向,以有利於激發滑行縱波和滑行橫波;只要採用相對較低的頻率或使用加權相控陣,就可以增大相控陣的輻主瓣角寬,以利於在任意地層有效激勵滑行縱波。
  18. The whole - body gamma knife system is a kind of non - invasive medical instrument by using co - 60 as the gamma ray source. according to geometrically focusing theory, the gamma knife system can precisely focus in spirals 30 beams of gamma rays from different directions to a target through a collimator. by the collimator s direction, the predetermined lesion will be under radiation in heavy dose and subsequently be destroyed completely

    體部伽瑪刀是利用能產生伽瑪的鈷60作為放源,根據幾何聚焦原理,將30伽瑪從不同方向和位置通過準直后經一個固定的軸旋轉聚焦到焦點,形成品質優良的劑量區,將腫瘤組織置於該高劑量區中,即可在預定時內將病變組織摧毀,體表和焦點以外的正常組織僅受到瞬時照而基本上不受損傷。
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