波型耦合作用 的英文怎麼說
中文拼音 [bōxíngǒugězuòyòng]
波型耦合作用
英文
mode coupled operation- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 耦 : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
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Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment
本文從緩變光纖波導的局部耦合模理論出發,推導出了單模光纖耦合器耦合分光在聲波作用下的變化規律,提出了以單模光纖耦合器的熔融區為傳感元件的傳感器在聲振動信號檢測中應用的新思想,並實驗論證了這種新型光纖傳感器應用於實際的可行性。Based on it, a new kind of helix slow - wave structure named elliptical helix slow - wave structure used in helix traveling wave tubes has been detailedly investigated. by studying the rf characteristics of this slow - wave structure, it ’ s found that higher operation frequency and interaction impedance will be obtained by increasing the eccentricity of helix or decreasing it of the shield. meanwhile, great potential of improving system bandwidth has also been found if the eccentricity of helix or shield or the two are properly choosed
本文對近幾十年大功率行波管的研究進展進行了簡單討論,並在此基礎上研究了一種可應用於螺旋線行波管的新型的螺旋線慢波結構,即橢圓螺旋線慢波結構,通過對該螺旋線高頻特性進行詳細分析,我們初步認為,選擇適當的螺旋線和屏蔽筒離心率,可以提高系統工作頻率,增加系統耦合阻抗,並且具有改善系統帶寬的潛力。By making use of the strong bound quantum dot model and neglecting the effects of impurity on electron wave function, this thesis is also reported how to use the spin of nuclear as the quantum bit
利用強束縛量子點模型,忽略雜質對于電子波函數的影響,我們還討論了如何利用核自旋構造量子位。我們計算了垂直耦合量子點中電子和核子的超精細相互作用。By use of coupling - of - modes model, this paper computers the characteristic impedance, then puts emphasis on the feedthrough effect which affects saw performance and some advice is given
本文就是順應軍用和民用技術需求進行的工作,通過耦合模模型求解了saw濾波器的特徵阻抗,由此重點研究了影響saw器件性能比較嚴重的電磁直通效應,並提出了改善措施。The oversimplified models can not reflect the mutual effect of hydraulic system and power system, and they may cause irrational conclusions when they are used in the studies on middle or long term stability, resynchronization of hydro turbine and generator and large - disturbance surge tank system that relate closely to the mutual effect of hydraulic system and power system or the auto governing
採用這種水或電的單方面簡化模型不能準確反映水力系統與電力系統的耦合作用,對于諸如電力系統中長期穩定、水輪發電機組再同步、調壓井系統大波動穩定等這些與水電耦合和自動調節作用密切相關的問題的研究,可能導致不合理的結論。After analyzing the characteristics of the lithium niobate crystal and the principle of electro - optic phase modulation & the coupling of single - mode fiber with optical waveguide, the fabrication of the single - mode lithium niobate bar waveguide and v - groove has been studied, the new project in which the lithium niobate v - groove is used for the coupling of the single - mode fiber with optical waveguide is put forward
在分析了鈮酸鋰晶體的相關特性、電光相位調制的基本原理以及單模光纖和光波導的對接耦合以後,研究了單模鈮酸鋰條形波導和鈮酸鋰v型槽的製作工藝,提出了使用鈮酸鋰v型槽實現單模光纖與波導耦合的方案。At the same time, we analyzed the basal theory of waveguide to microstrip probe transition. then, using hp ads software, we optimized and designed two filter - parallel coupled filter and interdigital filter
然後,我們利用hpads軟體分別模擬、設計和製作了微波頻段和毫米波頻段兩個濾波器?微帶抽頭式交指型帶通濾波器和平行耦合濾波器。And then, in the simulation of three - dimensional, the application of o - type grid and hybrid grid are used in two relatively complicated structures make the total amounts of grids and the time of grid generation reduced greatly. moreover the hexahedron grids are placed in most areas to provide higher precision. through the comparison between the results of two - dimensional and three - dimensional simulation, we knew two - dimensional calculating is not adequate
本文用簡單、方便的二維模型作為數值計算的起點,使用耦合隱式演算法以及先進的v2f湍流模型進行求解,成功地捕捉到了激波,觀察到主氣流從壁面的分離、切換、再附壁等現象,並對計算結果進行了細致的分析,得出一些有意義的結論;在此基礎上,本文在國內外首次對超音速射流雙穩閥的三維流場進行了計算。The experiments showed us : firstly, mediums with different magnetic and dielectric properties had different influence on the microwave - absorbing properties of spinel ferrite ; secondly, magnetic texture treatment greatly affected the microwave - absorbing properties of the spinel ferrite - based mixed material which contained single - domain particles of hexagonal ferrite, changing the matching thickness, the density of area and the position of absorption peaks and increasing the absorption quantity and the 10db bandwidth ; thirdly, the coupling effect between different layers affected the microwave - absorbing properties of the double - layer spinel ferrite - based mixed material, decreasing its matching thickness and density of area and increasing the position of absorption peaks
實驗發現: ( 1 )不同磁性與電性的介質對尖晶石型鐵氧體吸波特性的影響不同; ( 2 )磁織構化處理對含有六角晶系鐵氧體單疇顆粒的尖晶石型鐵氧體基混合吸波材料的性能影響很大,可以改變匹配厚度、面密度與吸收峰峰位,提高吸收量與10db帶寬; ( 3 )對于雙層材料,層間耦合作用會影響其吸波性能,降低匹配厚度與面密度,提高吸收峰峰位。Based on the model of for the first time, the coupled model of csbcs and soil considering the interaction between them was established in this paper, in which csbcs was simplified into the arch structure with fixed support and problem of plane strain
本文按照耶梅里楊諾夫模型的思路,首次建立了波紋鋼板橋涵和土的耦合作用模型,將波紋鋼板橋涵簡化為固支拱結構,按平面應變問題進行計算。In the present paper, according to the characteristics of the dynamic running of the thermoelectric refrigerating devices and its components for the refrigerator is analyzed and the independent components " models are established. the entire model describing the working procedure of the refrigerating system is set up with the method of parameters coupling to combine the models of the refrigerating system, load, cabinet and air in the cabinet. the running characteristics of thermoelectric refrigerators on the effects of received current, load and ambient temperature are investigated using small - signal linearization method
本文根據熱電製冷系統動態運行的特點,分析了電冰箱製冷系統及各個部件的熱物理過程,運用參數耦合的方法把製冷系統、負載、箱體及箱內空氣模型有機地結合在一起,建立了完整的製冷系統工作過程模型,用小階躍信號線性化法分析了電流、負載功率和環境溫度波動共同作用下的熱電製冷器工作特性。On the basis of fbg " working mechanism which is expounded on the approach of mode - coupled theory, the paper analyzes and compares the characteristics of some typical demodulation mechanisms. a novel demodulation mechanism for fbg with a cantilever beam to linearly tunable filtering is designed, and the theoretical and experimental analysis on this demodulation mechanism is explained. although the experiment conditions restrict it, the analysis of the measured data show the mechanism has great effect on the practical applicationjiot only in optical communication and sensor systems
在使用模式耦合理論詳盡地闡述了光纖光柵工作原理的基礎上,本論文分析比較了幾種典型的傳感解調方案的特點,然後設計了一套新穎的基於懸臂梁線性調諧濾波的光纖光柵解調系統,並對這套系統進行了理論和實驗研究。盡管由於實驗條件所限,最後的實驗結果與實際值稍有差距,仍得到了許多有益的結論。In fact, the constitutive models employed in both methods could not re - produce the dynamic behaviour of soil to non - proportional cyclic loading, such as waves loading. to simulate dynamic responses of elastic, visco - elastic and elasto - plastic sea beds, linear and / or non - linear numerical models based on generalized biot ' s theory are developed together with stable and effective algorithm. the difficulty in numerical computation made the generalized biot ' s theory be difficult to be put into practice in the field of geotechnical engineering
上述兩種方法採用的土體本構模型都不能再現砂土在暴風浪等非比例加載條件下的動力特性,本文基於廣義biot理論提出了波浪作用下海床線性或非線性動力響應的耦合計算模型與穩定、高效數值演算法,分別針對土的彈性、粘彈性與彈塑性本構關系,對海床的動力響應進行了有限元數值模擬與分析。Since the concept of superlattice was proposed, vertical transport in superlattice has been investigated widely. the electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena. such kind of oscillation can be uesd to make tunable microwave oscillaors. in this thesis, low temperature transport problem, especially the formation of field domain and the condition of current self - oscillations in doped gaas / alas superlattice with weak coupling are investigated thoroughly and also by combining the macroscopic model with the microscopic one., the voltage - current characteristic and the current oscillation are simulated. the calculated result is nearly consistent with the experimental data
由超晶格中子能級之間的順序多阱共振隧穿引起的電場疇及電流自維持振蕩現象是其中的一個非常有意義的分支,該現象可用來製作電壓調諧微波振蕩器。本論文對弱耦合摻雜gaaa alas超晶格中的縱向輸運特別是針對低溫下的場疇的形成和固定偏壓下電流自維持振蕩產生的條件進行了深入的探討,並結合宏觀模型和微觀模型對超晶格在時變電壓作用下的電壓-電流特性以及固定偏壓作用下的電流特性進行了模擬計算。Basing on dalian specialized ore terminal engineering, through physical model experiment, the function of vessel under the action of wave, tide and wind to wharf structures is tested, variation law of vessel ' s motion when berthing and mooring at different angles of wave and tide and cable ' s tensile force are given
以大連礦石專用碼頭工程為背景,通過物理模型試驗,系統測量了波浪、潮流、風等動力要素耦合作用下的船舶對碼頭結構、系纜設施及護舷的作用;給出了波浪和潮流不同夾角時船舶系靠泊狀態下的運動量及纜繩拉力的變化規律。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。Through studying the interaction between a two - level atom and a single mode emission field in rotating - wave approximations of jaynes - cummings model, the atom and the field are in a coupled superposition state - entangled state. the expectation value of atom dipole moment is always zero, but the fluctuation of dipole moment is a non - zero constant
通過對旋波近似下j - c模型中的二能級原子和單模場相互作用體系的研究,得到激發態原子可演化為場和原子的耦合疊加態- - -糾纏態。Lithium niobate phase modulator has been widely used in the fiber communication, fiber sensing and some other areas. in fabricating of the device, some key technologies including the waveguide, v - groove, coupling, packing and the reliability of the device are very important in improving the performance of the device
鈮酸鋰相位調制器已經廣泛應用於光纖通信、光纖傳感等眾多領域,而在器件的生產過程中,波導製作、 v型槽製作、器件耦合封裝及可靠性等幾項關鍵技術對器件整體性能的提高至關重要。So we adopt an radial basic function neural network and a three - order volterra series filter to construct two prediction model which are used to predict the eeg signal. in this paper, we improve the radial basic function neural network and breach the two - order limited by using product - coupling to realize the three - order volterra series filter. wavelet transform is an analytical method that unites the time and frequency domain
因此,本文採用徑向基函數神經網路和三階volterra級數濾波器分別構造腦電信號的兩個預測模型;對通常的徑向基函數預測網路作了改進,並且採用乘積耦合近似實現三階volterra級數濾波器,突破了常規上只能用二階volterra級數濾波器的限制。The device is a synthetical applicating example of phase modulator, intensity modulator and directional coupler theory. the characters and fabricating process of linbo _ 3 optical waveguide, electrodes design principle, the influence of sio _ 2 dielectric buffer layer on the performance of the device and design principle of tapped power ( ratio ) are analyzed
該器件是相位調制、強度調制和定向耦合器理論綜合應用的典型,文章從理論上分析了linbo _ 3光波導的特點、製作工藝、電極設計原理、 sio _ 2介質緩沖層對器件性能的影響和抽頭功率的設計原理等。分享友人