1) Plane wave spectrum
平面波谱
1.
In order to obtain the maximum of power transmit rate and the minimum of phase distortion of the electromagnetic wave through the radome, the influence of radome on the electrornagnetic performance of antenna is analyzed by means of the plane wave spectrum method.
天线罩是用来保护无线电系统免受外界影响的一种装置，为了保证在天线扫描角范围内电磁波通过天线罩时得到最大的功率传输系数和最小的相位畸变，运用平面波谱法分析天线罩对天线电磁性能的影响，采用数值积分法求得远区方向图，结合优化方法求解出瞄准误差。
2.
An improved expression of Gaussian beam and its plane wave spectrum expansion were presented respectively.
得出了高斯波束场的改进型表达式及其平面波谱展开,发现波束的等效传播常数ke不等于波动方程中的传播常数k,但随着传播距离的增加,等效传播常数迅速地接近于k,从工程应用的角度给出了等效传播常数的取值范围,表明文献结果是本文结果的一个特例;仿真发现高斯波束在近区传播时,其强度剧烈地随空间变化,传播波数对能量有显著的影响。
3) Plane wave spectrum (PWS)
平面波谱
1.
According to Plane Wave Spectrum (PWS) theory, distribution of extraneous waves in angular domain will be obtained by making inverse Fourier transform to test zone field, which provides the guidance for eliminating them.
根据平面波谱理论,对静区空间场做反傅里叶变换,可以在角度域反演出干扰波分布规律,从而为排除干扰源提供理论依据。
4) Plane wave spectrum
平面波谱法
1.
First, the Gauss Integration is combined with the plane wave spectrum-surface integration method (PWS-SI) to analyze the electromagnetic properties of the radome.
在计算了口径天线的差波谱以求解带罩天线差方向图的基础上，将高斯积分应用到由罩外表面切向场求远区场中，提高了平面波谱法的计算精度，并且通过具体算例表明了该方法的有效性。
5) Plane Wave Spectral Decomposition Method
平面波谱(PWS)分解
6) PWS theory
平面波谱展开
1.
And through the comparisons of results, we analyzed the effects of sampling plane to far field, demonstrated the applicability of PWS theory to high and low directivity antennas , so that we can further researchthe error analysis and correction.
利用平面波谱展开理论和时域有限差分法对几种典型天线的远场方向图建模计算 ,分析和比较了不同采样平面对远场的影响 ,以及平面波谱理论对强、弱方向性天线的适用性 ,为进一步误差分析修正奠定了基础。
补充资料：ER200-D-SRL10／12型电子顺磁共振波谱仪
ER200-D-SRL10／12型电子顺磁共振波谱仪
ERZ()() DSR孟1()/1艺型电子顺磁共振波谱仪
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条