free wave 中文意思是什麼
free wave
解釋
自由波-
Visar - measured wave profiles on the free surface of target were profiles with an initial velocity jump followed by a smoothly - rising front to the peak velocity amplitude, showing that quasi - isentropic loading has been successfully generated
Visar測試得到的是波陣面上升前沿被明顯展寬的準等熵壓縮波，最高的擊靶壓力達到了260gpa 。 -
No. 1 market share in japan for lead free soldering equipment as n2 / air reflow, n2 / air wave soldering system & spray fluxer. we also can provide soldering chemical materials
全日本銷售和佔有第一，無鉛製程設備如氮氣?空氣回焊爐，氮氣?空氣波峰焊爐等。我們也提供無鉛錫膏，電子化學材料等。 -
And this result is extended to the eigenfunction of maxwell ' s equations. then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes. as application, there are three examples : the emergent wave from planar waveguide to free space, the transverse and longitudinal coupling of waveguide and the measurement of scalar gratings
由於從一個空間到另外一個空間的光束傳播伴隨著界面上各個模式能量之間的耦合，作為應用，本文介紹了完備性在三個情況下的應用：平面波導出射光束的衍射性質、波導的橫向和縱向耦合以及標量光柵的測試。 -
D. j. mead. free wave propagation in periodically supported infinite beams. journal of sound and vibration 11, 1970 : 181 - 197
陳正翔，江松青，張維衡.無限長輸液管中結構振動波的傳播.華中理工大學學報， 1997 （ 11 ） -
Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume
推導給出計算域內以所有節點波勢函數和波面位置高度的時間增量為未知量的線性方程組，並同時考慮時間因素和空間變位對波面勢函數的影響，在預設的計算精度下，通過時步內的循環迭代逐一確定每個時步上的波面運動位置，從而建立了一種可適于求解強非線性波浪變形計算的數值模式。 -
By theory and practice simulation, the several types of constant envelope modulation techniques are analyzed and compared, including theirs modulation principle, phase path, the modulated wave envelope, power spectrums, error bit rate and the influence of its power spectrums of the band - limited and non - linear, etc. especially we have researched the ijf - oqpsk modulation technique, and the performance of its inter - symbol interference and time jitter free, and its strongly resisting of spectral spreading
結合理論和實驗模擬結果，分析討論了衛星通信中的各種恆包絡調制技術，對它們的調制原理，相位路徑，已調波包絡，功率譜密度，誤碼性能，以及帶限非線性通道對其功率譜的影響等方面都作了研究和比較。特別研究了ijf ? oqpsk在消除碼間干擾和定時抖動方面的性能及其優良的旁瓣特性和抑制頻譜擴展特性。 -
Water effects on shock wave delay in free fields
在開闊空間中水對爆炸沖擊波的削波作用 -
When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other
得到了以下結論： 1 ）樁的相互作用因子隨頻率呈周期性變化，在振動頻率比較低的情況下，樁的橫向相互作用因子也較低，當頻率趨近於零時，相互作用因子也趨近於零； 2 ）樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化，在= 0情況下幅值最大，且隨入射角度的增加，波動的周期明顯縮短； 3 ）樁的相互作用因子的幅值隨著樁與樁間距的增加而減小，至s d = 15時，樁的相互作用因子基本趨近於0 ； 4 ）在頻率比較低時，相互作用因子幅值隨樁土相對剛度比的增加而顯著增加； 5 ）樁頂固接可以有效地降低群樁的橫向地震響應幅值，由瑞利波產生的群樁效應可以忽略不計； 6 ）群樁中不同樁位的樁的橫向地震響應是不同的，每根樁所在的樁位對其橫向地震響應有很大的影響；刀樁數的增加並不能減小樁的橫向動力響應。 -
The effects of the atmospheric turbulence disturbance for free - space laser communication systems are analyzed in the paper, and the correction of low - order modes with adaptive optics system for wave - front error are also discussed
本論文分析和論述了大氣擾動對空間激光通信的影響以及利用自適應光學系統校正低階模式波前誤差理論。 -
Lead - free n2 / air reflow soldering machine ， automatic lead - free dual wave soldering machine ， semi - auto solder paste printer ， loader ， unloader ， buffer conveyor ， multi - function buffer loader, aoi
熱風迴流焊錫機，全自動無鉛雙波峰焊錫機，錫膏印刷機，送板機，收板機，緩沖輸送機，多功能暫存機， aoi等。 -
And then experiments of compensation for the aberrant wave front caused by fadw ' s free - vortex flow are studied using our 37 - elements adaptive optical system
利用實驗室現有的一套室內37單元自適應光學系統對fadw的輸出激光進行了初步的校正實驗，並進行了相應分析。 -
In the present dissertation, five commercial metallic materials ? tungsten alloy ( 93w ), oxygen free copper ( ofc ), titanium alloy ( tc - t ), pure aluminum ( al ) and magnesium alloy ( mb2 ) were chosen as the composite system of the flier - plate with graded wave impedance, and their acoustic and mechanical parameters were measured. the thickness of each material was controlled so that flier - plates with a parabolic or cubic wave impedance distribution were designed
依據實現準等熵壓縮和超高速發射對梯度飛片體系的理論要求，論文首先在一個較寬的波阻抗變化范圍內，確定鎢合金（ 93w ） 、無氧銅（ ofc ） 、鈦合金（ tc _ 4 ） 、工業純鋁（ al ）和鎂合金（ mb _ 2 ）五種綜合性能良好的金屬和合金材料作為波阻抗梯度飛片的復合體系，並測量了材料的相關聲學和力學參量。 -
Aiming at the medium thickness slab caster in anshan isco, numerical simulations concerning fluid flow and free surface wave process of liquid steel in mold were conducted by using the cfx4. 4, a commercial software package for fluid flow analysis, in which the metallurgical functions of a submerged nozzle, specially the submerged nozzle with three holes, were investigated emphatically
摘要以鞍鋼中薄板坯連鑄機為對象，在商業軟體cfx4 . 4的平臺上對結晶器內鋼水流動和液面波動過程進行了數值模擬，重點研究了其所獨有的3孔浸入式水口的冶金功能。 -
Because of radio wave propagating along the ducts with enhanced fields on the order of the free - space field, the problems of the co - channel interference are more complicate for communication systems with the results of intersystem interference and the formation of other system, and therefore affecting the determination of the coordination distances or the optimization of the distribution and separation of delay, and for surveillance system such as radar system the problems can be radar holes or the extensions of detect range
對于通信電路，它使系統間的相互干擾問題變得復雜，既可能幹擾其他系統又可能形成另外的系統，從而影響系統的有關參數如中繼電路的最佳組合（分佈、間隔）和協調距離，對于探測系統產生的則是雷達空洞、超視距探測等問題。這些問題對相關無線電系統特別是軍事應用系統可能是致命的，因而以波導傳播為代表的反常傳播特性研究受到極大重視。 -
Pervasive computing ( also known as ubiquitous computing ) is a new wave of computing paradigm. its main ideas include 1 ) the fusion of cyberspace and physical space, 2 ) the distraction - free computing
普適計算（ pervasive / ubiquitouscomputing ）是繼主機計算、桌面計算之後發展起來的一種新的計算模式，其本質特徵是信息空間與物理空間融合和計算對人透明。 -
Shenzhen dongyongxing electronic equipment co., ltd. was established in 1994, develop, design, manufacturing and manage market a lead - free computer wave solderiag system and reflow oven, smt application equipment, and product line. etc. professionally, by way of electronic plant product outfit
深圳市東永興電子設備有限公司成立於1994年，本公司專業開發、設計、生產製造和經營環保型自動無鉛波峰焊及無鉛迴流焊系列設備、 smt周邊設備、生產線等電子廠家全套生產設備。 -
How to deal with the free surface has been a difficulty if the wave is highly nonlinear
與實驗方法和現場觀測相比，它有著成本低、可以避免比尺效應、工況選擇靈活等極為突出的優點。 -
The sign shows an excellent picture that the sun shines above on the waveness lake surface “ fishing under the setting sun " symbolizing elegant and free culture ； perspective effect of english font is like a fish, s and g are fused together with outline of ellipse, which represent philosophic theory of circulation and vigor of life ; the right and left strokes is like a young fry or water wave, which shows character of product
標志突出一種意境，陽光投射在平靜的湖面， 「夕陽鏡中閑垂釣」 ? ?一種高雅休閑的品牌文化；英文字體的透視效果猶如魚形， s ， g的筆畫與橢圓外形巧妙融合，一種循環衍生的哲理；左右兩筆點綴，似波紋又似戲水的魚苗，生動了整個畫面，也進一步點明了產品特性。 -
Lead - free n2 / air reflow soldering machine ， automatic lead - free dual wave soldering machine ， semi - auto solder paste printer ， loader ， unloader ， buffer conveyor ， ng / ok buffer loader
熱風迴流焊錫機，全自動無鉛雙波峰焊錫機。錫膏印刷機，上板機，下板機，緩沖輸送機， ng / ok暫存機等。 -
The whole processing procedure consists of three steps, i. e., inputting the noisy ap signal to a low - pass filter, constructing a corresponding square wave according to the output of the low - pass filter and then applying it to the wave forming filter to get noise free ap signal
利用矩形波重建方法，將帶噪聲動作電位信號通過低通濾波器建立相應的矩形波，然後再採用計算機輔助設計法設計一個波形形成數字濾波器，使矩形波通過此濾波器后重建出純凈的細胞動作電位。
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