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- 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。
- Based on Reily-integration, the sound pressure distribution and directivity formula of hexagonal piston's radiant far field are calculated out.And the directivity formula is simulated. 摘要利用瑞利積分，計算了六邊形活塞聲源輻射遠場(chǎng)的聲壓分布以及指向性公式，并對指向性公式進(jìn)行仿真研究。
- This specification covers the minimum requirements for field pressure testing of piping, fired heater tube assemblies and exchangers. 本技術(shù)條件涵蓋了對管道、火焰加熱器加熱管組件及換熱器現場(chǎng)試壓的最低要求。
- 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 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。
- 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。
- 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。
- Under the condition of far field, pseudorandom diffusers have good diffusion characteristics. 摘要在遠場(chǎng)條件下，偽隨機序列擴散體具有良好的擴散特性。
- Far field spatial intensity structures are result from the diffraction of sharing gratings. 遠場(chǎng)光強的空間結構是由共享光柵組合衍射引起的。
- According to AE testing data of more than 500 pressure vessels, the characteristics of acoustic emission sources are listed and analyzed which could be encountered during field pressure vessel test. 通過(guò)對多臺報廢壓力容器進(jìn)行超壓試驗的聲發(fā)射檢測和對 5 0 0多臺壓力容器現場(chǎng)聲發(fā)射檢驗數據的分析 ,給出了現場(chǎng)壓力容器檢驗可能遇到的多種聲發(fā)射源的特性。
- For high intensity laser beam with center obscuration, beam quality far field measurement method is used presently. 目前對于較強的帶遮攔光束采用光束質(zhì)量遠場(chǎng)測試法。
- The larger truncation ratio, the larger relative increment of peak energy of beam in far field. 切斷比越大,強度峰值的相對增量也越大。
- The far field shows the radiation of a single small electric dipole for groups of straight currents in a small region. 小型直線(xiàn)電流群在遠場(chǎng)呈現單一電偶極之輻射。直線(xiàn)電流之沿線(xiàn)方向無(wú)輻射。
- Reconstruction Method of Far Field Laser Energy Measured with Calorimetric Array[J]. 引用該論文 劉峰;吳振森;謝永杰;王立君.
- Verification of differences of characteristics of electromagnetic field image and radiation pattern in the near and far field are demonstrated. 驗證電磁場(chǎng)影像及場(chǎng)型特性在近場(chǎng)與遠場(chǎng)中之差異。
- The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line. 傳輸線(xiàn)上脈波電流頻譜中各頻率成份在遠近場(chǎng)區中場(chǎng)型之比較。
- Application to the inducted and radiated field patterns from near to far field of line currents of arbitrary shape are demonstrated. 并應用于顯示任意線(xiàn)電流源之感應及輻射場(chǎng)強由近場(chǎng)至遠場(chǎng)之變化。
- At the same time,the far field conditions of infinite plate and far field and edges conditions of SSSS plate is given for using the method. 同時(shí)給出了利用此方法的無(wú)限板上的遠場(chǎng)條件和周邊簡(jiǎn)支板的遠場(chǎng)條件和邊界條件。
- 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。
- Abstract: By using the Fourier optics, a theoretical model based on the far field is put forward for the coherent addition of multi-ultrashort pulses. 摘 要： 利用傅里葉光學(xué)方法，建立了一個(gè)基于遠場(chǎng)的多束超短脈沖相干合成的理論模型。
