波導式相位計 的英文怎麼說
中文拼音 [bōdǎoshìxiāngwèijì]
波導式相位計
英文
waveguide type phase meter- 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...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 波導 : [物理學] (用在微波波段傳輸電磁波的裝置) waveguide; duct
- 相位 : phase position; phase
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As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results
通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因,推導了波動電流、阻尼系數的計算公式,並通過實驗展示了被動式電磁阻尼器的阻尼效應。Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms
針對某一典型平臺結構,建立了海洋平臺結構阻尼隔振體系簡化計算模型,進行了波浪荷載工況和地震工況的數值模擬,研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果,運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題,獲得了結構響應的解析解。The hybrid method can simulate accurately both the imaging and polarization - dependent diffraction characteristics of a concave grating. to meet the growing need for flattened passband in a practical wdmsystem, three design methods, namely, the tapered output waveguide structure with air - slots, the three - focal - point method and the analytical method of spatial phase modulation, are introduced to achieve a passband - flattened diffraction grating device
針對實際光通信應用中對通帶帶寬的需求,本文提出了「結合空氣槽的漸變輸出波導結構方法」 、 「三焦點方法」及「顯式公式空間相位調製法」三種使平面集成型衍射光柵波分復用器件獲得平頂型頻譜響應的優化設計方法。This paper describes the application of finite element method for obtaining the cutoff wavelength, field pattern and bandwidth in ridged waveguide of ridge on the short side, gives the specific equation of related parameter to the subject
摘要提出用有限元方法分析位於窄邊的脊波導主模的截止波長和場結構圖以及單模帶寬特性,推導出用有限元法計算相關參數的計算公式。As far as input coupling devices concerned, we design a feasible taper coupler by means of the theory of waveguide coupling and outside cavity waveguide laser and make decision of the sizes of the lens and the taper coupler, and the relative distance of them. the focus of the lens is 65mm and the radius is 5mm. the length of the taper coupler is 15mm, and the radiuses of the input and output ends separately are 17mm and 0. 65mm
在輸入耦合器方面,藉助于波導耦合和外腔式波導激光器的相關理論,設計了工藝上可行的錐型耦合器,確定了透鏡、耦合器的尺寸以及耦合器與透鏡的相對位置:耦合透鏡的焦距為65mm ,直徑為srnm ,耦合器的長度為15mm ,輸入端直徑為17mm ,輸出端直徑為0The calculating formula of yield surface for special - shaped column and the correspondent program are given in this paper. thereafter, the position and order about the beam column plastic hinge are drawn ; it is considered that the r. c. frame structure with special - shaped column reveals the typical characteristic of " strong column and weak beam "
推導了異形柱屈服面計算公式;選取了24條地震波,以場地類別作為劃分依據,編制了相應的程序,計算並繪制了樑柱塑性鉸出鉸位置和順序圖,認為鋼筋混凝土異形柱框架結構表現出典型的「強柱弱梁」特性。As the most widely used type of slot antennas, waveguide slots arrays have the advantage of tight structure, easily controlled aperture distribution, and wide band for the nonresonant waveguide slots antennas, which make it be one of the preferred form in antenna domain of high efficiency and low side - lobe
縫隙天線在現代天線設計中有著重要的地位,而波導縫隙天線又是縫隙天線中應用最為廣泛的天線形式。波導縫隙天線有結構緊湊、口徑幅度相位分佈容易控制和頻帶較寬(行波式縫隙天線)的特點,成為了高效率、低副瓣天線的優選方案之一。分享友人