衰減模式 的英文怎麼說
中文拼音 [shuāijiǎnmóshì]
衰減模式
英文
decay pattern- 衰 : 衰動詞(衰弱) decline; wane
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
- 模式 : model; mode; pattern; type; schema
-
The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained
系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律;建立了相應的s - n關系,提出了縱向總應變、彈性模量的經驗公式,及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt
本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理,並設計製造了該測試系統,探索出了簡單方便可靠的測量方法,能夠準確客觀地反映蔭罩振動的各項參數(各振動模的振動頻率、振幅、衰減時間) ,實現了測試裝置的簡便化和測試過程的自動化,為cpt張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。Secondly, the formula of the shock front of the spherical wave in the air is extended to the model of circumrotated ellipse and the process of the shock front of in the water in term of the transmitting characteristic of the laser plasma shock wave in the air
其次,從空氣中激光等離子體沖擊波波前的傳輸特性出發,將空氣中點源爆炸球面沖擊波波前衰減傳播公式推廣到非中心完全對稱情況,提出旋轉橢球面沖擊波前傳播公式;建立水中的激光等離子體沖擊波波前衰減傳播模型。The paper has founded the model of laser transmission in launch process and the movement model of laser - powered vehicle, and has analyzed the influence on performance of launch system, which was raised by some factors, for instance, the performance of thruster, the attenuation in transmission, the height of mode - transform, the laser power, the air drag force, the launch height, and so on
本文研究了激光推進微小衛星發射系統的概念和性能。建立了發射過程激光傳輸和激光推進運載器運動模型,分析了推進系統性能、大氣傳輸衰減、模式轉換高度、激光器功率、大氣飛行阻力、發射點高度等因素對發射系統性能的影響。The vortices are caused by quantum - mechanical inference scatterers and are accentuated by evanescent states
渦流出現是量子相干散射造成的,並與衰減模式的存在有重要關系。Using the dsd models and forward scattering amplitude computed by the least squares fitting method, the specific attenuations at l - 400ghz have been computed and analyzed, the parameters of " power law " relation between specific attenuation and rainfall rate are obtained. the specific attenuations in qingdao, guangzhou and xinxiang are compared with itu - r specific rain attenuation models
利用平均雨滴尺寸分佈和點匹配法計算的雨滴的前向散射數據計算和分析了青島、廣州和新鄉地區1 ? 400ghz特徵雨衰減特性,得到了特徵雨衰減與降雨率的指數關系參數,並與itu - r ( internationaltelecommunicationunion - radiocommunication )特徵雨衰減模式進行了系統的比較研究。The analytic specific attenuation model for rain for use in prediction methods are developed, the specific rain attenuations calculated by the analytic model are in high agreement with those by the parameters tabulated in itu - r model, this model has presented to itu - r as a proposed revision to current itu - r model
基於itu - r特徵雨衰減模式的列表參數,提出了特徵雨衰減的解析模式,該模式計算的特徵雨衰減與itu - r模式列表參數計算結果間有很好的一致性,並提交itu - r作為國際標準審議。Modification factors were given according to the relationship between elastic modulus reduction and tensile stress. the empirical elementarily formulas of damage evolution in tensile loading were given quantitatively, and verified by experiments
通過彈性模量衰減與應力變化的關系,確定了二維編織、三維編織c sic復合材料拉伸損傷的修正系數,初步定量給出了該材料拉伸損傷演化方程的經驗公式並通過實驗驗證。The electric field, magnetic field, critical frequency, surface current, power transmission and attenuation, as well as te and tm modes in waveguides are discussed
給出計算等效矩形截面波導的te模和tm模、電磁場、臨界頻率、波導壁電流、功率傳輸和衰減的公式。The proposed fuzzy sliding mode controller does not require any knowledge of a nonlinear system and attempts to improve both transient and stability margins
建議的模糊滑動模式控制器是針對非線性系統在未知參數變化與結構下的強健追蹤控制,其設計包含補償器、衰減技術、模糊邏輯近似法。Professor elsayed has been involved in accelerated life testing since 1987 when he developed a reliability prediction model. during the last four years, he has extended his work to the degradation modeling area. members of the press and interested parties are welcome to attend
1987年, professorelsayed創立了一套可靠性預測模式,自此,他一直參與壽命加速測試的研究工作,在過去四年,他把工作范疇擴展至可靠性衰減模式的建立。Corresponding to the correct water hammer mathematic model ( 3 ), the character difference equation is by comparing the new mathematic model with the old mathematic model, the last calculative part of paper argues the falseness of the current water hammer mathematic model, makes use of the improved character line method to analyze the correct mathematic model ( 3 ), studies all kinds of facts " impact on water hammer pressure value and water hammer phenomenon attenuation, points out that, in the long pipeline system, the subarea calculation of head loss along with flow rather influences the calculative results of water hammer pressure, advices to take the subarea calculation of head loss along with flow into account in the water hammer calculation of the long pipeline system
對應于正確的水擊數學模型( 3 )的特徵差分方程形式如下c ,弓+吼川一c ,唱一幾弓扮幾rv另卜川= o幾代+吼川一幾唱一吼嶸{一c :腳丸}唱} ? 「本論文在最後的計算部分,通過對新老數學模型的數值計算比較,進一步論證了當前水擊數學模型的不正確性。並且應用改善了的特徵線法對正確的數學模型( 3 )進行了計算分析,研究了各種因素對水擊壓強值和水擊現象衰減的影響,指出在長管道系統中,沿程水頭損失的分區計算對水擊壓強的計算結果影響較大,建議在長管道系統的水擊計算中應按分區進行沿程水頭損失的計算。When frequency much higher than cutoff, using classical formulation method it is to know that tunnel wall wet make attenuation of electromagnetic wave increase in rectangular tunnel and make attenuation of other electromagnetic wave mode increase but te mode with tunnel wall permittivity
當頻率遠高於截止頻率時,利用傳統公式法可知:矩形隧道中隧道壁濕潤引起衰減增大;圓形隧道中e模式衰減率因電容率的增大而減小,其他各模式則因電容率的增大而增大。Fibre optic interconnecting devices and passive components - basic test and measurement procedures - tests - screen testing of attenuation of single - mode tuned non - angled optical fibre connectors
光纖互聯裝置和無源部件.基本試驗和測量程序.試驗.單模式調諧無角度光纖連接器衰減篩析試驗Second, the mode fields of a strip waveguide and some slab waveguides have been simulated by applying finite - difference time - domain ( fdtd ) method. the curvature radius ; vicinity coupling ; transition loss and power attenuation of a s - shape bend waveguide have been analysed numerically by employing wide angle finite - difference beam propagation method ( fd - bpm ), as well as the coupling loss of optical fiber and waveguide. in addition, the framework of the s - shape waveguide laser has been
其次,應用時域有限差分法,結合波導模式理論對條形與平面波導進行了模場模擬;應用廣角有限差分光束傳播法,對s形彎曲波導的曲率半徑、鄰近耦合、過渡損耗、功率衰減以及波導與光纖的各種耦合損耗進行了數值分析,並在此基礎上,對s形波導激光器的結構作了初步設計。According to the research of the medium - voltage power line transmission characteristics and frequency - domain modeling of bottom up mode that is to accquire characteristic parameters by theoretical calculation, the characteristic modeling of medium - voltage power line is established, and the suitable parameters which can restrain the signal attenuation is gained
本文首先通過對中壓電力線傳輸特性的研究,利用從下往上的頻域研究模式,即通過理論計算獲得特徵參數,建立了中壓電力線傳輸通道特性模型,推出了符合中壓電力線傳輸函數變化的參數,可以有效地抑制信號衰減。2 vibration : while vibration levels obviously diminish in proportion to distance, they are also significantly affected by soil type and the structural characteristics of support columns
( 2 )振動部分:捷運列車所造成之地表振動傳播,其隨距離地衰減的趨勢是很明顯,而衰減之程度則隨著土壤性質的不同及高架路軌樑柱之特性,而產生不同衰減變化模式。Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 2 - 40 : tests ; screen testing of attenuation of single - mode tuned angled optical connectors
光纖互聯裝置和無源部件.基本試驗和測量步驟.第2 - 40部分:試驗.單模式調諧有角度光纖互聯器的衰減篩分試驗Traces of dyes indicate that the stable length increases with an augment of h, and the relations between spatial attenuation rates of disturbance and wavenumbers are correspondent with theoretical results by the analysis of spatial mode
染色線觀測顯示h值增大使擾動失穩距離增加,擾動衰減率與波數的關系同空間模式穩定性分析的理論結果定性一致。Corrigendum 1 - fibre optic interconnecting devices and passive components performance standard - part 051 - 3 : single - mode fibre, plug - style fixed attenuators for category u - uncontrolled environment
勘誤1 .纖維光學互連器件和無源元件性能標準.第051 - 3部分: u類單模纖維插入式固定衰減器.非受控環境分享友人