光束质量(Beam Quality) 光束(Light Beams) 光的偏振(Polarization of Light) 光谱仪(Spectrometers) 光谱分析仪(Optical Spectrum Analyzers) 光谱合束(Spectral Beam Combining) 光谱线(Spectral Lines) 光谱(Optical Spectrum) 光通量(Fluence) 光速(Velocity Of Light) 光量测定法(Actinometry) ...
这里按照第一种理解,先设定好beam数,一般num_beams不会太大,比如等于2(即有2个beam),可以用搜索树(search tree)节点的选择来理解beam search的过程,即随着token的生成过程每个beam都在变长(始终是2个beam),beam长度为已生成的token个数(或节点个数或搜索树高度),每个beam在生成新token时都会找出概率最大的2个...
10.Study on the Singular Value Decomposition on Laser Beam Quality Measure激光光束质量参数测量中的奇异值分解 11.The influence of thermal effects in a beam control system and spherical aberration on the laser beam quality光束控制系统热效应与球差对激光光束质量的影响 12.The application of Hartmann-Sha...
The beam quality of vectorial nonparaxial Hermite-Laguerre-Gaussian beams [J]. Acta Phys. Sin. ( 康小平,何仲,吕百达. 矢量非傍轴厄米-拉 盖尔-高斯光束的... XP Kang,Z He,BD Lu - 《Acta Physica Sinica》 被引量: 20发表: 2006年 Characterization of Nonparaxial Truncated Cosine-Gaussian Beams an...
We demonstrate a comprehensive quantitative analysis of vector beam states (VBSs) by using a vector field reconstruction (VFR) technique integrating interferometry and imaging polarimetry, where the analysis is given by a cylindrically polarized Laguerre–Gaussian (LG) mode expansion of VBSs. From test...
The beam quality of vectorial nonparaxial Hermite-Laguerre-Gaussian beams矢量非傍轴厄米-拉盖尔-高斯光束的光束质量 Kang Xiao-Ping,He Zhong,Lü Bai-Da,康小平,何仲,吕百达 Keywords: vectorial nonparaxial Hermite-Laguerre-Gaussian (HLG) beam,vectorial Rayleigh-Sommerfeld diffraction integrals,power in the ...
Minimizing the output array variance is another performance measure to identify optimum weight vector and the corresponding algorithm is traditionally known as MVDR beamformer [17], [18]. This technique tries to minimize the uninterested signals' variance at the output of the array subject to a ...
beam quality by the power in the bucket (PIB) in the paraxial and nonparaxial regimes are investigated.The PIB of the vector-vortex BG beams depend on the ratio of the waist width to wavelength and the polarization order.The analyses show that vector-vortex BG beams with low polari...
It is therefore an object of this present invention to address the aforementioned requirement and provide a quantitative beam quality measure for vector beams. SUMMARY OF THE INVENTION According to a first aspect of the invention, there is provided a method for determining a beam quality factor (...
A reasonable set of image quality (IQ) parameters includes resolution, peak sidelobe levels, a measure of additive noise (primarily from thermal noise in the radar receiver), a measure of multiplicative noise, and geometric distortion. Resolution refers to the −3-dB width of the mainlobe of...