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directivity造句

"directivity"是什么意思   

例句與造句

  1. Study on sar satellite beam directivity of antenna jitter
    衛(wèi)星天線擾動(dòng)對(duì)波束中心指向的影響
  2. Directivity index of microphone
    傳聲器指向性指數(shù)
  3. Antenna element directivity
    天線單元方向性
  4. Horizontal directivity pattern
    水平方向性圖
  5. Vertical directivity pattern
    垂直方向性圖
  6. It's difficult to find directivity in a sentence. 用directivity造句挺難的
  7. The research of directivity of the sound field through mechanism of laser - induced liquid breakdown
    液體中光擊穿所激發(fā)聲場(chǎng)的方向性
  8. The directivity fibers on the surface , could prevent run down of the suspended solid
    由于表面有方向性植毛,可有效阻止污泥的流失。
  9. Noise directivity of impinging jet from a small diameter axis ymmetric convergent nozzle on a large flat plate
    低速?zèng)_擊載荷下加筋板彈塑動(dòng)力響應(yīng)分析
  10. These are important for developing new antennas with a high directivity and a high workability
    這些結(jié)果對(duì)發(fā)展高方向性、可實(shí)用化的新型天線具有重要意義。
  11. The directivity , sensitivity and gain of the extended hydrophone are researched based on the model
    以此模型為基礎(chǔ),計(jì)算分析了成組光纖水聽(tīng)器的指向性和靈敏度。
  12. The directivity of the array consisting of extended fiber optic hydrophone is computed based on bridge multiple theory
    推導(dǎo)得到了這種線陣列在相關(guān)噪聲下的增益表達(dá)式。
  13. Moreover , taking on the rayleigh integral the far field acoustic pressure and the directivity formula is obtained
    并對(duì)其聲場(chǎng)遠(yuǎn)場(chǎng)采用瑞利積分推導(dǎo)了一般表達(dá)式和指向性公式。
  14. The hydrophone is the bigger enough compared to the wavelength of the sound , the directivity is the more distinctness
    成組光纖水聽(tīng)器尺寸越大,接收信號(hào)波長(zhǎng)越短,其指向性越明顯。
  15. If have no a definite train of thought have no a directivity can follow deeply , so get turn over and lose
    如果沒(méi)有一個(gè)確切的思路,沒(méi)有一個(gè)指向性的深出可循,那么,得到的反而就少了。
  16. Its band structure is analyzed . after the working frequency is selected , the meta - material cover increases the patch antenna ' s directivity by 9 . 14db
    在選定的工作頻率,異向介質(zhì)覆層將貼片天線的方向性系數(shù)提高了9 . 14db 。
  17. 更多例句:  下一頁(yè)

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