波形波導管 的英文怎麼說
中文拼音 [bōxíngbōdǎoguǎn]
波形波導管
英文
corrugated waveguide- 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
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 波形 : [物理學] wave form; shape; wave pattern; wave profile
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The computational method of integration for solid angle on cross section of the elliptic waveguide
橢圓形波導管中對空間立體角積分的計算方法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In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style
本文對脈動射流的型式及其對激波、管內流動及冷效應的影響進行了較系統的理論和實驗研究,主要包括:探討了脈動射流的型式對形成管內激波形成及激波強度的影響,給出了不同脈動射流的型式下振蕩管開口端初始間斷的類型,對初始間斷進行了分解,導出了包含進氣、排氣參數及工質物性參數的管內入射激波馬赫數mj的表達式,給出了管內激波形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。Hollow metallic waveguides ; square waveguides, dimensions
金屬中空波導管.方形波導管.尺寸Copper and copper alloys - rectangular and square waveguide tube
矩形和方形銅及桐合金波導管Hollow metallic waveguides ; circular waveguides, dimensions
空心金屬波導管.圓形波導管尺寸Hollow metallic waveguides ; rectangular waveguides, dimensions
空心金屬波導管.矩形波導管尺寸Copper and copper alloys - circular waveguide tube
圓形銅合金波導管Hollow metallic waveguides. part 3 : relevant specifications for flat rectangular waveguides
空腔金屬波導管.第3部分:扁矩形波導的有關規范Hollow metallic waveguides. part 2 : relevant specifications for ordinary rectangular waveguides
空腔金屬波導管.第2部分:普通矩形波導的有關規范In industrial times the improvement of science and technology resulted in further development of productive force, which caused the change of human existence. technology has now become the dominant power and means which we use to deprive and conquer the nature. thus man ' s dependence upon others has been replaced by upon machinery and technology
此時,典型的企業形態出現,它以盈利為最大目標,組織嚴密化,分工專業化,但卻表現出發展的不可持續性,而一味追求科學、有效性的科學型管理更是推波助瀾,導致企業的短見和人的發展的進一步的片面化。In the synchronous " model, based on the idea of polygonal flux linkage locus, by means of constructing the switch state period table of three phrase voltage inverter is required. in the brushless model, the igbt ( isolated gate bipolar transistor ) switch state period table is gained by gal ( generic array logic ) which analyzes the signal of position feed - back
在同步方式下,基於多邊形磁鏈軌跡法的思想,用作圖法求得三相電壓型逆變器的pwm波形序列;在無刷直流方式下,用gal對位置反饋信號進行邏輯綜合,得到開關管的導通規律。Due to its advantages of high power capacity, weak dispersion, easier fabrication and low ohmic losses, the folded rectangular groove guide would be an excellent slow - wave structure in millimeter and submillimeter wave twts
曲折矩形槽波導結合了曲折波導散熱能力強、色散特性好、容易加工和矩形槽波導單模工作、低損耗、大尺寸等優點,因此這種新型的慢波系統有可能在毫米波及亞毫米波段的行波管中具有較好的發展前景。Standard specification for seamless copper and copper - alloy rectangular waveguide tube
無縫銅及銅合金矩形波導管標準規范The measurement of charge and current on wall and electromagnetic wave in rectangular waveguide
矩形波導管的管壁電荷電流及管內電磁波檢測Methods of measurement for waveguides - reflection coefficient at rectangular waveguide interfaces
波導管測量方法.矩形波導管介面反射系數Methods of measurement for waveguides - part 9 : reflection coefficient at rectangular waveguide interfaces
波導管測量方法.第9部分:矩形波導管界面的反射系數Y - junction y
形接頭波導管Detail specification for circular rigid waveguide tubing - standard wall thickness - general application category
圓形剛性波導管詳細規范.標準壁厚.一般應用范圍This means that the dielectric property changes with height and allows a slight increase in the speed of a radio wave as we move upwards through the atmosphere. this in turn means that if a radio wave moves away from the earth at an angle less than 90 degrees, then the upper part of the wave travels faster than the lower part. therefore even under normal conditions this can in effect bend, or refract, the wave back down to earth
其中一種顯著的現象是:在一定的氣象條件下,在大氣邊界層尤其是在近地層中傳播的電磁波,受大氣折射的影響,其傳播軌跡彎向地面,當曲率超過地球表面曲率時,電磁波會部分地被陷獲在一定厚度的大氣薄層內,就好像電磁波在金屬波導管中傳播一樣,稱為大氣波導傳播,形成波導傳播的大氣薄層稱為大氣波導層。分享友人