數值傳輸線 的英文怎麼說
中文拼音 [shǔzhízhuànshūxiàn]
數值傳輸線
英文
number transfer bus- 數 : 數副詞(屢次) frequently; repeatedly
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 線 : 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...
- 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
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To select a cylindrical plane cathode ; to design proper focus electrodes in order to control the formation of beam in methods of solving equations, electrobath and simulation aided by computer. to correct effects of anode hole and work out curves of designing guns ; to discuss plasma cathode guns at last
選用圓形平面陰極;設計恰當的聚束極形狀以控制電子束的成形,並使用解析法、電解槽法和數值方法三種方法進行設計;考慮陽孔效應對電子束傳輸的影響,修正陽孔效應,給出電子槍設計曲線;最後討論一下等離子體陰極電子槍。The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be
編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序,實現了對固體浸沒透鏡光存儲系統的數值模擬;著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性;分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。After elaborating the principle of an 802. lib key modulation scheme - complementary code keying ( cck ), this paper proposes and realizes a hardware circuit solution of 802. 11b pcmcia wlan interface card, which can reliably offer a maximal 11mbps data rate and freely switch within 14 working channels in 2. 4ghz frequency band
接著在詳細闡述了802 . 11b協議核心調制技術?互補碼鍵控( cck )的原理的基礎上,本文提出並實現了一種峰值傳輸速率為11mbps的802 . 11bpcmcia高速無線網卡的硬體電路設計方案,在2 . 4ghz頻段該網卡可在14個工作通道上自動切換,實現高速突發數據的可靠傳輸。Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range
因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無線信號傳輸半徑的關系等,得出了其解析描述。Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered
文摘:根據縫隙口面切向場的連續條件,採用解析數值法矩量法,對扇面波導寬壁上窄的斜縫進行了計算,解得了磁流系數及其分佈,並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸,在x波段計算了散射參量和歸一化等效串聯阻抗,給出計算結果,為縫隙天線和縫隙陣列設計提供了依據The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation
本論文以mnls孤子作為光纖飛秒孤子的模型,通過新近建立的mnls孤子直接微擾理論,研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移,以及通過頻率濾波對自頻移的抑制。為此,首先給出描述mnls孤子的各物理量,然後用mnls孤子直接微擾理論,解析地得到這些問題絕熱近似下的孤子參數演化,並由此選擇頻率濾波的參數,最後用分步傅里葉方法,在對非線性項微商的演算法做出了適合於mnls孤子的改善後,對拉曼效應及頻率濾波進行了直接數值模擬,其中頻率濾波參數用微擾理論確定。The propagation and control of soliton in nonlinear kerr optical lattice with harmonic modulation of refractive index are investigated analytically and numerically in this paper. and some innovative research results have been worked out. the forming conditions of lattice soliton from gauss beam and the two modes of its stable propagation are obtained for the first time
本文利用解析和數值方法研究了在具有橫向折射率周期性調制的克爾型非線性光學格子中孤子的傳輸和控制,做出了一些創新性的研究結果:首次得出了高斯光束形成格子孤子的條件和兩種穩定傳輸形式。And then, the error matrixes of location and kinemics of the end point, and the on - line error compensation method are given based on robot ' s dynamics. finally based on puma robot, three simulation examples are given respectively ; the first is about the location error and on - line location error compensation, the second is about the kinetic error and on - line kinetic error compensation, the third is about location and kinetic errors causing by robot ' s dynamics and the on - line error compensations. the simulation results show that : a ) location error of the end point based on elastic deformation of the sensor will be about millimeter ' s degree under the permitting load, b ) the on - line error compensation methods given are available
第三章首先概括了目前機器人連桿慣性參數識別的四種方法,總結這些方法的優、缺點;指出這些方法存在的問題是:或者需將機器人解體,不能在線進行參數識別,或者不能給出機器人連桿獨立的慣性參數值,只能獲得慣性參數的組合值,而這些方法的共同問題是:不能考慮機器人連桿的關節特性;本章提出了一種基於腕力傳感器的機器人末端連桿慣性參數在線識別方法,給出了該方法的理論計算和推導;研究提出了以腕力傳感器輸出為前提的、基於newton - euler動力學的機器人動力學正向、逆向遞推公式;針對機器人負載參數辨識必須在線、實時的特點提出了基於腕力傳感器的負載參數在線識別方法,給出了負載參數識別的步驟。Transient response analysis of transmission line by a of numerical solutions
傳輸線暫態響應的一種數值演算法It is capable to lower the insertion loss by using high conductivity electrode material and increasing the electrode thickness and quality factor of bst capacitor. at the same time increasing the tunability of the dielectric constant and the length of the transmission line can increase the phase shift
通過使用高電導率的電極材料、增加電極的厚度、提高bst薄膜電容的q值可以實現器件插損的降低;增大薄膜的介電系數變化率和傳輸線長度可以增加移相度。In data communication, the addition of equipment to a leased voice - grade channel to provide minimum values of line characteristics required for data transmission
在數據通信中,在租用的音頻通道上增加設備以提供數據傳輸所要求的線路特性的最小值。So, when we get the dates of stress and distortion of wing ' s model structure, which have been calculated by computer, we can simulate the dates of the real wing ' s structure, which we will get through stress sensors and distortion sensors. when we transmit those dates to the center computer through remote wireless transmission devices, the computer will analyze those dates according as scientific fault criterion. so we can carry out the remote real - time health monitoring for wing ' s structure
這樣,我們讀取計算出的機翼結構模型在受力時的應力、變形值就可以模擬出在採用實體機翼作為研究對象時應力、變形傳感器傳回的數據,把這些數據通過遠程無線數據傳輸設備傳到數據處理計算機上採用科學的故障判據對這些數據進行處理就可以實現對機翼結構的實時遠程健康監控。Numerical calculation of voltage distribution on pulse transformer ' s conical windings based on multi - conductor transmission line theory
基於多導體傳輸線理論的脈沖變壓器錐形繞組電壓分佈數值分析The writer synthesize the technology of computer, wireless data communication, automatic control, ect., based in the cosideration of update communication technology according with the traditional industrial, implement a data transmission channel using gsm short message platform, which can meet the requirements of monitoring, dispersing and non - watching of the monitoring collection points, it is also a monitoring collection system with the features of wide covering by net, non - schedueld and unfixed monitoring, and it has the strong points of low investment and low management cost as well. this system has advantages compared with other systems that should meet the requirements as dispered locations of monitoring collection, wide covering, unfixing monitoring, non - strict demand for real - time
基於將最新通訊技術融合到傳統產業中的考慮,綜合計算機、無線數據通訊、自動化控制等技術,作者成功實現了以gsm短消息平臺作為一種數據傳輸通道,適合監控採集點移動、分散、無人值守,具有網路覆蓋面大、可不定時動態監控特點的無線監控與數據採集系統,該系統具有用戶投資小、運營費用少的優點,對于解決監控採集點分散、覆蓋面廣、監控點移動、實時性要求較低的監控與數據採集任務具有無可比擬的優勢。In order to improve reliability and simplify the hardware design, many new i2c bus elements were used to realize binary input, logic output, clock functions and storing settings and reports. by simulating i2c bus data transfer, the mcu realized writing and reading data from each element the whole hardware system ' s structure is compact and reasonable, and the device has high reliability, stability and immunity to disturbance
從提高可靠性和簡化電路的角度出發,設計硬體電路板時使用了許多新型i ~ 2c串列介面器件, mcu用普通i / o口模擬i ~ 2c總線介面,由軟體模擬i ~ 2c總線數據傳輸過程,實現了開入開出、定值存儲、報告存儲和時鐘對時等功能。The main idea in this paper is to design greenhouse computer distributed auto - control system. the system is a kind of principal and subordinate structure made up of one pc and several microcontrollers, principal can bus communication network and crc validated algorithms to ensure data transmitted correctly. the local operation in greenhouse can be obtained by monitoring environment parameters and warning information can be read into pc
本文的主要設計思想是構建溫室計算機分散式自動控制系統,由一臺pc機與多個微電腦控制裝置組成主從式分佈結構,採用總線式can通信網路和crc校驗的通信演算法進行數據傳輸,通過讀取實時和歷史存儲的環境參數值和報警信息來監測溫室的運行情況。A new similarity method in fem is presented for researching of the problems about the nonuniform and irregular region, such as micromachined microwave coplanar waveguide. by using this method, we calculate the characteristic impedances of mems waveguide and analyse the change with its different dimensions. with the use of a recurrence relation, this new method not only use much less computer ' s memory than the conventional fem, but also simplify the post - process
對低阻硅襯底上實現v型槽mems共平面波導進行了詳細深入的研究,提出並採用混合相似剖分有限元方法對不規則結構傳輸線的特性阻抗進行數值分析,在驗證了方法的正確性基礎上,進行了大量計算,並總結了常用50 、 120等阻抗傳輸線的結構參數。Secondly, we present the set of nonlinear partial differential equations that describes the wave - particle interaction, by analyzing the output power spectrum, the limit cycle and chaotic oscillation of the radiation field in the traveling wave tube ( twt ) amplifier and the magnetically insulated transmission line oscillator ( milo ) are studied numerically, respectively
接著,在論文的第三章和第四章我們從導出了一組用於描述場和電子相互作用的非線性偏微分耦合方程組開始,利用頻譜分析法,以行波管( twt )放大器和磁絕緣傳輸線振蕩器( milo )為例,數值研究了o型器件和m型器件中場的極限環振蕩和混沌行為。The non uniform variation along the line of the input impedance calculated from phasor voltage to current ratio is conformed with that calculated from the phasor ratio of one plus the reflection and one minus reflection along the line
數值驗證,由駐波電壓與駐波電流之相量比及由沿傳輸線一加反射與一減反射相量比計算所得之輸入阻抗,沿傳輸線之不均勻變化是一致的。This paper implements differential formation of quasilinear differential equations, furthermore lumped equivalent circuit mode at boundary and constraints between voltage and current have been incorporated to find boundary conditions. because partial differential equations can transform into ordinary differential equations, it transforms telegraph equations into ordinary differential equations
本文根據偏微分數值解理論應用一階擬線性方程的差分格式,並根據電壓、電流在始端、終端上的約束關系,運用傳輸線集中參數的等效模型確定邊界條件;最後模擬計算得到響應波形。分享友人