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- First, On the basis of the characteristic of surface wave location, the far field of wedge shape ultrasonic transducer can be explored. 本文根據定位的特點(diǎn),對常用的楔形表面波探頭的遠場(chǎng)做了分析和計算。
- Shell Selecting by Ultrasonic Surface Wave. 殼體的超聲表面波分選。短句來(lái)源。
- The acoustic wave impedance coefficient is recovered from the incomplete data of the far field pattern. 對于系數反問(wèn)題進(jìn)行了研究,利用遠場(chǎng)模式的不完全數據反演聲波阻尼系數。
- The wave polarization and impedance characteristics in the far field of combinations of an electric and a magnetic Hertz dipoles. 赫芝電偶極與同向赫芝磁偶極混合源遠場(chǎng)之極向與波阻抗特性。
- The far field eddy current testing system for trial was developed. 建立了試驗遠場(chǎng)渦流檢測系統。
- Aim To recover the impedance coefficient from the far field pattern of the scattered wave of the acoustic scattering problem with impedance boundary condition. 目的從阻尼邊界條件聲波散射問(wèn)題的散射場(chǎng)的遠場(chǎng)模式出發(fā)去反演阻尼系數。
- At present, we have several methods to remove surface wave in the field data acquisition, such as geophone combination, multiple coverage, 3D exploration etc. 目前野外施工所采用方法有檢波器組合、多次覆蓋、三維勘探;室內處理消除面波的方法更多,并且也很有效,成本更低。
- The AE sensor calibration system based on pulsed surface wave sound field was built, several commercial and self-made AE sensors had been calibrated on it. 建立了基于脈沖表面波聲場(chǎng)的聲發(fā)射傳感器標定系統,對商用和自制的幾種聲發(fā)射傳感器進(jìn)行了標定。
- Nike grinds down old shoes to use as athletic field surfacing. 他說(shuō),公司主要把廢掉的鞋子磨碎用于制作運動(dòng)場(chǎng)地的鋪面。
- Surface wave velocity image has a contrast effect on detecting karst body. 以及面波速度映像成圖對巖溶體探測起到了全面追溯和對比作用,進(jìn)行了分析研究。
- This instrument can detect weak surface waves. 這個(gè)儀器可以檢測到微弱的地波。
- Nike grinds down old shoes to use as athletic field surfacing. 他說(shuō),公司主要把廢掉的鞋子磨碎用于制作運動(dòng)場(chǎng)地的鋪面。
- The conclusion is valuable for liquid surface wave detecting and application. 這一結果對液體表面波的檢測和應用是有價(jià)值的。
- This period the integral ambry special subject that roll out, will take you to appreciate ambry market from square field surface. 其實(shí)對于消費者來(lái)說(shuō),廠(chǎng)家的形象是需要通過(guò)每個(gè)環(huán)節的細致、認真來(lái)樹(shù)立的?!?/li>
- The near and far field properties of line current of arbitrary shape is demonstrated in this example. 本例以赫芝電偶極電磁場(chǎng)合成之近似結果,驗證偶極天線(xiàn)遠場(chǎng)及近場(chǎng)之特性。
- Contemporary urbanite busies everyday the square field surface at the life, heavy life pressure makes they favore simple thing. 現代的都市人天天忙碌于生活的方方面面,繁重的生活壓力使他們偏愛(ài)簡(jiǎn)單的事物。
- The pattern and/or image of electric and/or magnetic field of an electric Hertzian dipole in the near and far field. 赫芝電偶極在遠近場(chǎng)區中之電場(chǎng)與磁場(chǎng)之場(chǎng)型及影像。
- Slower surface waves travel along the surface of the earth. 較慢的面波沿地球表面傳播。
- In computer graphics, a depth map which encodes the information of height field surface may be used to displace original geometry surface. 然而,一個(gè)三維場(chǎng)景中包含許多三維模型,如果每一個(gè)模型都使用大量的三角片,那麼即使是最新、最快的圖形處理器也無(wú)法維持一定的顯像速度。
- The Eelctromagnetic Field and Power Density Vectors on Spheres in Near to Far Field from Time Harmonic Currents. 弦變電流源在近場(chǎng)至遠場(chǎng)球面上之向量電磁場(chǎng)及向量功率密度。