directivity造句
造句與例句
手機(jī)版
- 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 - Directivity index of microphone
傳聲器指向性指數(shù) - Antenna element directivity
天線單元方向性 - Horizontal directivity pattern
水平方向性圖 - Vertical directivity pattern
垂直方向性圖 - 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 - 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。 - 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 - 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。 - 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。 - It's difficult to see directivity in a sentence. 用directivity造句挺難的
- 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。 - 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。 - 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。 - 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。 - 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 。 - And there was a spatial distribution rule that was obviously regional concentration and the directivity of main roads
湖北省縣域經(jīng)濟(jì)發(fā)展水平由高到低呈金字塔狀，且空間差異明顯，其分布具有明顯的地域集中性和沿交通干線指向性。 - By uses of relay ' s integrate , the pressure distribution of radiate sound field by ring plunger was derived , the directivity of wave steering also was discussed
畫(huà)出了聲壓分布圖，并對(duì)其指向性進(jìn)行了研究，畫(huà)出了指向性圖。 - Audio directional loudspeaker is a novel loudspeaker which can generate an audio signal with high directivity by utilizing the parametric array principle
摘要聲頻定向揚(yáng)聲器是利用參量陣原理，產(chǎn)生高指向性聲頻信號(hào)的新一代揚(yáng)聲器。 - Homogenization temperature and salinity of ore - forming fluid show some regularity at space , this indicates that ore - forming fluid flow has directivity
成礦流體的均一溫度和鹽度在空間上都有一定的變化規(guī)律，表明成礦演化具有定向性。 - When the signal frequency is 4688hz , the width of the main lobe of the directivity is 28 degrees and the theoretical value is 26 degrees
指向性測(cè)試結(jié)果顯示,最大值方向和第一對(duì)最低點(diǎn)寬度與理論值吻合,主瓣寬度實(shí)測(cè)28度,而理論值為26度。
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