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- When the initial power equals the critical power, a stabile spatial soliton is obtained, and generally the beam width takes periodical contraction or diffraction. 当初始功率等于临界功率时,可以得到一个稳定的空间孤子,而一般情形下,束宽则作周期的压缩或展宽变化。
- By applying "slit method",the beam width of THz wave was measured. 利用“狭缝法"测量了太赫兹光束的束宽。
- Compared with the conventional array receiver, optimal transmitting beam width decreases and transmitting power requirement is debased in the distributed array receiver. 与传统式阵列相比,分布式阵列可以采用更窄的发射光束宽度,降低对发射功率的要求。
- 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. 当光束初始功率小于临界功率时，光束束宽则按雅可比椭圆正弦函数和椭圆余弦函数作准周期展宽变化；
- In case of electronic scanning the beam width is broader by a factor of two . 电子扫描时，波束宽度展宽一倍。
- This lamp jendf out a powerful beam. 这种灯可发出强光。
- 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. 根据这些公式的计算结果表明;雨区回波功率与不考虑这些因素情况下的值相比较;可有-3至+6分贝的偏差;具体值取决于雷达离地高度、天线仰角、雷达波长、波束宽度、地表反射系数和粗糙度等.
- 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. 强非局域孤子的临界功率与非局域特征宽度的2次方成正比，与光束束宽的2次方成反比。
- 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，分析了孤子的传输特性，强非局域孤子的临界功率与非局域特征长度的4次方成正比，与光束束宽的4次方成反比。
- emission beam angle between half power points 半功率点间的发射束角
- It is important to eliminate or degrade the effect caused by the beam width of echo sounders and reflect the true seabed. 为提高海底地形的测量精度，应消除或减弱波束角效应影响。
- The searchlights projected powerful beams of light. 探照灯射出一道道强光。
- A measurement of the difference in cycles/sec between the limiting frequencies of a band in which the attenuation of any frequency, with respect to the central frequency, isless than a specified value(usually half power or three db). 一个频带的上下界频率之间差的一种度量，以周期/秒表示。在该频带中，任何一频率的衰减（对中心频率而言）小于一个特定的值（通常为半功率或3分贝）。
- With the help of statistic principle, the estimtion ormulas ofthe antenna gain loss, beam width and siedlobe level in sparse array are derived. 应用概率统计原理，导出了具有幅相误差、元失效时稀疏阵天线阵增益损失、束宽度、向、瓣电平的估计公式、得出一些有益结论。
- The machine directs a powerful beam at the affected part of the body. 这种机器将很强的射线对准身体感染部位。
- It depends on whether the crystal can emit a powerful beam of light. 这取决于晶体是否会发射出一束强光。
- 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. 该方法可用于任意单元构成的不均匀阵列天线;还可用于波束展宽及扇形波束的合成 In this paper; an effective method of multibeam smart antennas pattern synthesis for base station using digital beamforming technique is presented.
- The paper studies three key problem of base station array antenna for mobile communication, controlled radiation pattern, beam width and passive intermodulation. 本文研究移动通信基站天线中的三个关键问题，波束赋形、波瓣宽度、无源交调。
- Laser power beaming and propulsion, on the other hand, would require sustained average power output from lasers of megawatts to gigawatts. 而激光传能及推进则要求激光器的持续平均功率输出在兆瓦到千兆瓦之间。
- Am angle between half power points 半功率点间的发射束角
