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- By applying "slit method",the beam width of THz wave was measured. 利用「狹縫法"測量了太赫茲光束的束寬。
- In case of electronic scanning the beam width is broader by a factor of two . 電子掃描時，波束寬度展寬一倍。
- It is important to eliminate or degrade the effect caused by the beam width of echo sounders and reflect the true seabed. 為提高海底地形的測量精度，應消除或減弱波束角效應影響。
- Lastly, The jamming effectiveness is emphatically analyzed in the presence of bit error, bit width error and carrier frequency error. 最後分析了干擾信號在存在誤碼、元寬度誤差以及載頻誤差情況下的干擾效果。
- With the help of statistic principle, the estimtion ormulas ofthe antenna gain loss, beam width and siedlobe level in sparse array are derived. 應用概率統計原理，導出了具有幅相誤差、元失效時稀疏陣天線陣增益損失、束寬度、向、瓣電平的估計公式、得出一些有益結論。
- When the initial power equals the critical power, a stabile spatial soliton is obtained, and generally the beam width takes periodical contraction or diffraction. 當初始功率等於臨界功率時,可以得到一個穩定的空間孤子,而一般情形下,束寬則作周期的壓縮或展寬變化。
- Results are satisfactory. this method can be applied to multibeam synthesis for arbitrary set of nonuniform elements, as well as beam width stretch and sector shaped beamforming. 該方法可用於任意單元構成的不均勻陣列天線;還可用于波束展寬及扇形波束的合成 In this paper; an effective method of multibeam smart antennas pattern synthesis for base station using digital beamforming technique is presented.
- The influence of random zone position error,width error,interdiffusion and roughness on the efficiency of X-ray zone plates(ZP) was analyzed by summing up the wavelets of every pair of rings. 使用振幅矢量疊加法,通過疊加X射線波帶片每一對環帶對焦點的貢獻,計算和分析了隨機環帶位置誤差、寬度誤差、擴散和粗糙度對波帶片的效率的影響。
- The paper studies three key problem of base station array antenna for mobile communication, controlled radiation pattern, beam width and passive intermodulation. 本文研究移動通信基站天線中的三個關鍵問題，波束賦形、波瓣寬度、無源交調。
- Compared with the conventional array receiver, optimal transmitting beam width decreases and transmitting power requirement is debased in the distributed array receiver. 與傳統式陣列相比,分散式陣列可以採用更窄的發射光束寬度,降低對發射功率的要求。
- When the input power is smaller than the critical power, the beam width takes quasi-periodical diffraction with the Jacobian elliptic sine and elliptic cosine functions. 當光束初始功率小於臨界功率時，光束束寬則按雅可比橢圓正弦函數和橢圓餘弦函數作準周期展寬變化；
- The estimation results based on these equations show that the rain echo power may deviate from its normal value by a factor of -3 to +6 db depending on the radar height, antenna elevation, wave length, beam width, surface reflectivity and roughness. 根據這些公式的計算結果表明;雨區回波功率與不考慮這些因素情況下的值相比較;可有-3至+6分貝的偏差;具體值取決於雷達離地高度、天線仰角、雷達波長、波束寬度、地表反射係數和粗糙度等.
- Technical specifications are all satisfied within required wide frequency range, which include VSWR, main beam width, sidelobe level, gain, and the mutual relation of sum and difference patterns, etc. 在較寬的頻帶內，對於駐波比，主瓣寬度，旁瓣電平，增益，和 與差方向圖對應關係等都得到了滿足。
- Due to the frequency selectivity, non-stationary and multipath effect of the ionosphere, it is difficult to measure the beam width of OTHR antenna in azimuth of this kind of radar. 摘要由於傳輸通道電離層存在頻率選擇性、非平穩性和多徑效應，對天波超視距雷達的方位波束寬度性能進行測試存在著相當的困難。
- The critical power ofthe strongly nonlocal soliton is proportion to the 2th power of the characteristic lengthof the response function and in inverse proportion to the 2th power of beam width. 強非局域孤子的臨界功率與非局域特徵寬度的2次方成正比，與光束束寬的2次方成反比。
- The relative errors of the beam width and far-field divergence angle introduced by the spherical aberration increase with increasing spherical aberration coefficient and decreasing beam order. 束寬和遠場發散角的相對誤差隨球差係數絕對值的增加和光束階數的減小而增加；
- The critical power of the strongly nonlocal soliton is proportion to the 4th power of thecharacteristic length of the response function and in inverse proportion to the 4th powerof beam width. 另外，分析了孤子的傳輸特性，強非局域孤子的臨界功率與非局域特徵長度的4次方成正比，與光束束寬的4次方成反比。
- He overlooked a spelling error on the first page. 他沒有看出第一頁中有個拼寫錯誤。
- The encircled-power method is introduced to define the beam width and real focal plane of focused sinh-Gaussian beams, thus their focal shift can be determined. 使用環圍功率法定義束寬和實際焦面，由此可以決定聚焦雙曲正弦高斯光束的焦移。
- He learned technical skills by trial and error. 他通過不斷摸索掌握技能。
