Method for a linear array beam focusing in the near field based on amplitude weighting
基于幅度加权的均匀线阵近场波束聚焦方法
Based on amplitude weighting, an approaching to function method for one-dimensional uniform linear array beam focusing in near field is proposed.
该方法易推广到面阵和阵元辐射具有不同偏振方向的横波或纵波近场空间波束聚焦计算中。
By applying the numerical simulation technology,it makes the optimization process for light beam heating parameters more efficient and economic.
采用数值模拟技术 ,可以使聚焦光束处理参数的优化过程更加经济、高效。
The technology of acquiring precise modified layer on construction material surface by light beam cladding was investigated and its effect on cladding layer quality was revealed.
研究了采用聚焦光束熔覆方法在结构材料表面获得精密改性层的工艺及其对熔覆层质量的影响。
In simulation of focused beam propagation with arbitrary focal length, the traditional beam propagation algorithm based on Fast Fourier Transform will fail to give right results due to the limitation of the sampling theorem.
由于取样定理的限制 ,常规的基于快速傅里叶变换 (FFT)光束传输模拟算法不能进行任意焦距聚焦光束的传输过程的模拟。
Optimum parameters for focusing of optical beams in self-defocusing nonlinear media;
自散焦介质中光束聚焦的最佳参数选择
A discussion is given about the focusing of optical beams due to the cross phase modulation in three dimensional self defocusing nonlinear media.
对三维自散焦介质中由交叉相位调制效应诱导的光束聚焦过程进行了系统研究 ,讨论了抽运光振幅、抽运光信号光初始偏移和抽运光信号光波长比三个参量对信号光聚焦过程的影响。
The preliminary understanding is obtained about the focusing of optical beams induced by cross phase modulation in three dimensional self defocusing nonlinear media.
初步研究了三维自散焦介质中由交叉相位调制效应引发的光束聚焦 ,详细分析了信号光在不同抽运光输入振幅时的演化过程。
Method for a linear array beam focusing in the near field based on amplitude weighting
基于幅度加权的均匀线阵近场波束聚焦方法
Research on near field focus beam-forming and beam null-forming
近场声聚焦波束形成与波束零陷研究
For a wiggly-line trace, the beam is focused on the scope face at a point.
对于波形道,光束在荧光屏面的一点上聚焦。
The near field focused beamforming method for ship rediated noise
舰船噪声源近场聚焦波束形成定位方法
Transmission of foil-focused relativistic annular electron beam in coaxial cylindrical waveguide
箔聚焦强流相对论环形束在同轴波导中的传输
Diffraction Aberration of Focusing Atom Beam of Metastable Helium in Laser Standing Wave
亚稳态氦原子束在激光驻波场中聚焦的衍射像差研究
Enhancement of Third-order Harmonic Generated by Noncollinear Focused Dual Intense Laser Pulses in N_2;
氮气中非共线聚焦双光束三次谐波增强的实验研究
Focal switch effect of focused Bessel-Gaussian beams
聚焦贝塞尔-高斯光束的焦开关效应
Effective Fresnel Number and Focal Shifts of Focused Cylindrical Light Beams;
聚焦柱面光束的等效菲涅耳数及焦移
Performance Analysis of the Elliptic Beam Ring-focus Antenna with a Variable Focal Distance
椭圆波束变焦距环焦天线的性能分析
Focusing Properties of Beams: Focal Shift, Focal Switch and Phase Shift;
光束的聚焦特性研究:焦移,焦开关和相移
Parabolic dishes have the advantage that they point their beams to a single point at their focus, creating a clear and strong signal.
抛物面碟面的优点是能将波束在它的焦点处汇聚到一个单一的点,产生一个清晰、力的信号。
Numerical Research on Induced Focusing of Optical Beams in Self-defocusing Media;
自散焦介质中光束诱导聚焦的数值研究
The energy source for laser beam machining is a highly concentrated beam of light.
激光切削的能量来源于一束高聚焦光。
Design of electrostatic foc using system of the space electron beam gun
空间用电子束焊枪电聚焦问题的研究
Study on the Transport of Foil-Focused Radial Intense Relativistic Electron Beam;
箔聚焦径向强流相对论电子束的研究
Non-paraxial Vector Theory for Self-focusing of Intens e Laser Beams;
强光束传输的非旁轴矢量自聚焦理论
Micro-/Nano-Fabrication Using Focused Ion Beam Technology
微米/纳米加工中的聚焦离子束技术
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