far-field相关论文
This paper presents an effective two-stage MUSIC (T-MUSIC) algorithm based on second order statics for multiple near-fie......
基于扁椭球面坐标系下非傍轴高斯光束的电场分布表达式, 给出非傍轴LG10模高斯光束的远场电场振幅分布表达式; 分析了非傍轴LG00模......
提出了一种基于空谱干涉和远场的分步式短脉冲激光同步探测方法,先利用空谱干涉捕捉时间同步的大范围,再利用远场实现同步的高精度......
Laser beam alignment is very important for high-power laser facility. Long laser path and large-aperture lens for alignm......
利用衍射光栅方程,分析可见光谱区标准光源的特征谱线的多级衍射特征,对标准光源的多级衍射进行计算机模拟计算,确定其多级衍射光......
满足夫琅和费远场条件的两个物体,z值大的物体将被环数少的菲涅耳波带板扫描,具有小而平直的孪生像噪声振幅;当物体满足近场条件时,......
We consider an inverse source problem of determining a source term in the Helmholtz equation from multi-frequency fa......
Synthesisofaccelerationsofthe1976Tangshanearthquake(MS7.8)innearandfarfieldbyusingsemiempiricalmethodQIFENGLUO1)(罗奇峰)YU?..
Synthesisofaccelerationsofthe1976Tangshanearthquake (MS7.8) innear andfar fieldbyusingsemi ......
The measurement of the far-field radiation pattern is an important factor in describing the character-istics of the ante......
The September 16, 2015Mw 8.3 Illapel, Chile Earthquake:characteristics of tsunami wave from near-fie
On September 16, 2015, an earthquake with magnitude of M_w 8.3 occurred 46 km offshore from Illapel, Chile,generating a ......
Estimation of the far-field centre is carried out in beam auto-alignment. In this paper, the features of the far-field o......
Effects of hanging wall and forward directivity in the 1999 Chi-Chi earthquake on inelastic displace
本文通过对荣华二采区10...
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
目的探讨希氏束起搏电极远场心房感知大小及其与心室感知和心房颤动(下称房颤)的关系。方法选择2016年1月至2017年5月温州医科大学......
利用傅里叶变换及坐标变换的方法推导了处于空间任意位置的半导体激光器远场模场表达式,在此基础上对半导体激光器相对于原点发生......
提出了一种球面波照射下获得飞行器类目标远场RCS的变换算法。根据ISAR成像中目标反射率空间分布特性不随测试状态改变,建立了多散......
The motion of a bubble near the free surface is solved by the boundary element method based on the linear wave equation,......
液体轴对称抛撒在研制云雾爆轰武器中有着重要的实际应用背景和学术研究价值.由于过去这方面大量的工作集中在野外场地中进行,对液......
介绍了18GHz材料屏蔽效能同轴测试装置的设计,通过选用不同的介质支撑子优化同轴测试装置的性能,所设计制作的宽频带同轴法屏蔽效能......
根据菲涅耳-基尔霍夫衍射积分公式,采用数值方法,详细研究了高斯光束经圆形孔径后的远场传输特性.......
变压器为变电站内最主要的噪声源之一,变压器远场噪声预测对于新建变电站的噪声控制和在运超标变电站的噪声治理都具有重要意义。......
结构的无弹性的反应的特征影响了 byhanging 墙,在 1999 假装聪明的地震的前面的择向性被调查。为运动由这些近地的效果影响了的地......
Most of the direction of arrival (DOA) estimation methods often need the exact array manifold, but in actual application......
利用矢量角谱法和稳相法,研究了涡旋洛伦兹-高斯光束的远场矢量结构特征,导出了横电项(TE项)和横磁项(TM项)远场电磁场和相应能流的解......
Spherical Near-Field - Far-Field Transformation for Quasi-Planar Antennas from Irregularly Spaced Da
An effective near-field - far-field (NF - FF) transformation with spherical scanning for quasi-planar antennas from irre......
Waveguide Design Optimization for Long Wavelength Semiconductor Lasers with Low Threshold Current an
Long wavelength GaSb-based quantum well lasers have been optimized for high coupling efficiency into an optical system. ......
The problem of diffraction of a plane acoustic wave by a finite soft (rigid) cone is investigated. This one is formulate......
HALF-SPACE GREENS’S FUNCTION DUE TO A SPATIALLY HARMONIC LINE LOAD AND SCATTERED FIELDS IN THE FAR F
Half-space Green’s function due to a spatially harmonic line load has been expressed asa sum of the full-space Green’s......