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- We analyze the pattern function of DBF in subarray under the ideal condition and with channel mismatch, and give the pattern functions of sum and difference beam. 基于恢复理想信号频谱的逆滤波原理,利用通道均衡法对接收通道的失配进行了校正。
- On the basis of predefined waveguide parameters, we use the finite difference beam propagation method to analyze the effect of the parameters on the device. 最后根据所确定的器件结构参数，用有限差分光束传输法分析了器件结构参数对器件性能的影响。
- The alternate-direction implicit finite difference beam propagation method (FD-BPM) is used to analyze the two-dimensional (2D) symmetrical multimode interference (MMI) couplers. 交替方向隐式有限差分波束传输法被用来分析二维限制对称多模波导干涉耦合器。
- The stress distribution and effective refractive index of waveguide fabricated by this approach are calculated using finite element and finite difference beam propagation method, respectively. 采用有限元法和有限差分束传播法分别计算了存在这一矽层时的波导应力分布和有效折射率。
- The various states of the switches were simulated and analyzed using the finite difference beam propagation method (FD-BPM),the structure parameters of the switch were also designed and optimized. 用FD-BPM方法对其各个状态进行了模拟和分析,并对器件的结构参数进行了优化设计。
- The annealed proton-exchanged LiNbO3 Y-branch optical waveguide with a tapered transitional section is simulated by the three-dimensional finite difference beam propagation method. 利用三维有限差分光束传播法，对具有锥形过渡波导的退火质子交换铌酸锂Y分支光波导进行了数值模拟。
- The beam uniformity obtained by different beam homogenizer is compared by using CCD laser beam analyzer. 平顶因子则描述了整个光斑能量分布范围内的均匀性问题。
- It is shown that the threshold ratio of the laser power to the beam spot diameter P/d for penetration welding is consistent with different beam spots. 结果表明,以激光功率与光斑直径之比作为深熔焊接阈值的表征参量,深熔焊接阈值与光斑大小无关;
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- Rings of LED light with different beam angles. According to measurement necessary, switch independently dispart 16 sections. 环形二极管，带有不同的光束角度，可根据工件需要分16个区域独立开合。
- They differ in size but not in kind. 这些东西的区别只是大小不同而实质一样。
- For the phased array radar system at subarray level employing monopulse technique, it requires to suppress sidelobe of sum beam and different beam simultaneously. 对于采用单脉冲技术的子阵级相控阵雷达系统，需要同时对和、差波束的旁瓣进行抑制。
- separated angle of difference beam 差波束分离角
- finite difference beam propagation method 有限差分光束传播法
- Each and every difference contains contradiction. 每一个差异中无不包含矛盾。
- sum beam and difference beam of monopulse antenna 单脉冲天线和波束与差波束
- They are the property of sum and difference beams, the errors of the elements and channels and different pulse repeating frequency(PRF). 这些因素包括和差波束的特性、阵元和通道的误差、不同的脉冲重复频率(PRF)。
- The difference contrast is notable. 差别对比是显著的。
- What is the difference between this and that? 这个和那个之间的区别是什么？
- On this question I differ from you in toto. 在这个问题上我跟你的意见完全不同。
