耦合縫 的英文怎麼說
中文拼音 [ǒugěféng]
耦合縫
英文
coupling slit-
The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator
基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁,由於每排金屬孔孔間距遠小於波長,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的矩形波導,所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現,比如功分器、濾波器、天線、耦合器、振蕩器等。Abstract : from the point of theoretical analysis, this dissertation provides the coupling calculation on the hot gas temperature field and ablation in the cavity between stress release boot and insulation of solid motors. through the calculation, some law of the ablation of the stress release boot is found
文摘:從理論分析的角度出發,通過對人工脫粘層和絕熱層所構成的槽縫燃氣溫度場與燒蝕的耦合計算,得出了人工脫粘層的燒蝕規律。The former is calculated by mom. special attention is paid to the evaluation of the admittance matrix elements, which involve the internal and external mutual coupling. the latter is solved using po
矩量法用於波導縫隙陣列的模式項散射的計算,著重分析了包含外部耦合和內部耦合的矩陣元素的求值。A convergence acceleration technique, boundary element method ( bem ), spectrum of two - dimension solutions ( s2ds ) method are used separately in solving dyadic green function of the three domain. next, waveguide narrow - wall slots array ' s is introduced in this paper
對外部空間,與縫隙腔體區域一樣認為場量與z無關,對所有場量做z方向的fourier變換,得到譜域上的一系列去耦合的二維方程。Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on
與普通矩形波導相比,脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點,使其得到了越來越多的應用,例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。So, in this paper, a new feeding method is proposed. it is a combination of aperture coupling from a slotted waveguide and coplanar feeding using series - fed microstrip line
因此,在本文中提出一種對微帶貼片天線陣饋電的新方法,它是由波導縫隙的口徑耦合饋電和微帶線串饋的平面饋電共同完成的。3. after the parameters of the array structure are got, simulation software, such as cst microwave studio, cts design studio and ansoft hfss, are used to design the power dividers for the radiation units in the horizontally polarized direction of the array. these power dividers adopt structure of coupling slots in the narrow side of main rectangular waveguides, in which the narrow side of the main waveguide and the broadside of secondary waveguides are crossed at locations of each slot
3 .在得到滿足指標要求的陣列結構參數后,採用cstmicrowavestudio 、 ctsdesignstudio和ansofthfss等電磁模擬軟體對陣列在水平極化方向的行饋功分器進行模擬設計,該陣列的行饋功分器採用波導窄邊單縫耦合饋電結構。Flow through fissured reservoir with deformable media
裂縫性油藏流固耦合滲流The impedance matching criterion that the sum of all the radiating slot normalized conductances is equal to 2 for the inner feed, and also the sum of all the coupling slot normalized impedances for the series - shunt inner feeder is equal to 2 are verified by using microwave network theory
採用微波網路理論,在內部饋電情況下,分別對一條輻射波導上輻射裂縫的歸一化導納和為2的匹配設計準則,以及對串並形式饋電裝置,對耦合裂縫的歸一化阻抗和為2的匹配設計準則進行了證明。In the case of thin slot, taking the effect of wall thickness into account, the coupler is analyzed with the slots replaced by equivalence magnetic current using the equivalence principle. the integral equation system is fonned and calculated by the moment method
對于細長縫隙的情況,考慮了波導壁厚,利用等效原理將縫隙等效為磁流源在主波導和耦合波導中的作用,根據電磁場連續性條件建立積分方程,並用矩量法求解,進而求出耦合器的散射參數。This paper uses an optically modulated scatterer system to measure microwave field with minimal disturbance. this method is especially adapt to measure magnitude and phase of microwave field close to conductor and microwave field with complex path between source and field. so it can be used to measure radiation antenna ’ s near - field and microwave into slots
光調制散射器的測量方法最大限度地減少了測量裝置對被測場的擾動,特別適合於測量導體附近和具有復雜路徑場的幅值和相位分佈,可以用於對輻射天線近場的測試以及孔縫耦合中場的測量,可為天線的設計,微波孔縫耦合效應的研究提供較精確的實驗數據。It realized the spatial interpolation software grounded on geostatistics seamlesslly integrated with the system using the way of oop and the technology of ole / activex based on com. using vector - grid spatial - overlap analysis to solve the limitation of the grid and general vector data structure in the course of creating prescription, it made fertilizer prescription founded on the main factor of soil nutrient and yield - target. also it effectively integrated comgis with exper t system using the technique of loose coupling
以面向對象的設計方法為基礎,利用「組件對象模型」基礎上ole / activex技術實現基於地統計學的空間插值軟體實現及與施肥處方系統的無縫集成;應用基於矢量網格的空間疊加分析方法解決柵格和常規矢量數據結構在處方生成中的局限,生成了基於土壤養分和目標產量為主要因素的施肥處方;利用鬆散耦合技術將comgis與施肥專家系統進行有效集成;充分考慮施肥機對施肥處方數據結構要求,在wgs - 84坐標系下採用具有柵格單元的矢量施肥處方。Once switches prices descend to a acceptable level in the future, this network can be easily transited to full duplex network through replacing the star coupler with fiber switch, only need upgrading driver
今後一旦交換機的價格下降到可接受的水平,直接用光纖交換機替代該網路的星形耦合器,並升級驅動程序,即可無縫的過渡到全雙工交換式網路。By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated
根據我國干線鐵路軌道譜,採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數;根據秦沈客運專線高速試驗段軌檢車資料,採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數;在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波;用隨機變量描述道床橫向剛度,並進行了隨機模擬;將振動理論和穩定理論結合建立系統的分析模型和運動方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序,進行了無縫線路隨機動力響應分析,通過試驗對計算模型、計算方法進行了驗證。According to this method, a new matching criterion of coupling slots is derived for the series - series feeder and the shunt - series feeder
按照同樣方法,對串串、並串形式的饋電裝置,導出了新的耦合裂縫匹配設計準則。Fault fracture zones often form in active fault zones and appear as long extension with stable trending, they are jointly controlled by active faulting, underground water concentration and freezing expansion
斷層裂縫沿斷層破碎帶定向分佈,產狀穩定,成群產出,與斷層活動、地下水運移、不均勻凍脹存在密切的關系,是構造變形與融凍變形聯合、內外動力耦合產生的復合成因地裂縫。The position and conductivity of internal metal block have little influence on the coupling of microwave into the slot of the cavity. 4
內置金屬塊的位置變化及內置金屬塊電導率變化對微波與帶縫腔體耦合的影響很小。Waveguide is a kind of low loss transmission line. energy can be coupled by slots in the waveguide ’ s walls
在波導上開縫隙就能將能量從波導中通過縫隙耦合出去。Basing on the theories of finite element method, analysed computer simulation of high frequency structure in resonator ; 3. compared effects to resonate frequency and fields caused by coupling slots of buncher in different azimuth ; 4
從有限元理論的角度出發,對計算機模擬計算諧振腔內高頻場結構進行了分析探討; 3比較了調制腔部分耦合縫的位置變化對諧振頻率及腔內場的影響; 4Analysed effects to coupling efficiency and fields in resonator caused by size change of coupling slots, and lots of simulation involved also
分析了第一腔中耦合縫的尺寸變化對耦合效果,腔內場結構的影響,並作了大量模擬計算和分析比對;分享友人