Utilizing the benefits of varactor and bowtie and fractal structures , some interesting characteristics of these elements were found 该结构单元为设计宽频带、动态方向图扫描的阵列反射天线奠定了基础。
Analysis of near - field distribution and cross - polarization radiation pattern cavity - backed microstrip patch antenna on a uniaxial substrate 单轴各向异性背腔式微带贴片天线的表面缝隙场分布及交叉极化方向图分析
Secondly , through the electromagnetic simulation , the impedance and radiation properties of the circular monopole antenna are thoroughly analyzed 其次,本课题着重分析了圆盘单极超宽带天线的阻抗以及方向图特性。
An adaptive algorithm is applied to pattern synthesis of linear arrays with mutual coupling , which is of great practical significance 应用一种自适应算法进行天线阵方向图综合，把阵元间的互耦考虑在内，具有很强的实际意义。
The text introduces the theory of the radar antenna " s scan wave by adopting the method of using wave width to describe antenna radiate direction fig 本文介绍了雷达天线的扫描波束理论，采用了用波束宽度描述天线辐射方向图的方法。
Proposes a new algorithm for estimating the vector channel and the optimum beamforming weights . studies its tracking performance under realistic channel conditions 通过分析和天线方向图仿真，证明新算法在收敛速率和复杂度上有较大改善。
Just as nb antenna array the pattern of uwb tem - horn antenna array is concern with the number and distance of elements at which the pattern lie in 阵列某一面方向图仅与这一面的单元个数及单元间距有关与其它面的阵列单元个数和单元间距无关。
Each pixel in the orientation image stands for the local ridge orientation of a fingerprint . it is the intrinsic characteristics of the fingerprint image 方向图中的每一点反映了指纹图像中局部纹线的方向，他是指纹图像中最本质的特征之一。
This dissertation has modeled for radar signal environment , such as radar pulse model , antenna direction chart model , antenna scanning model 在此基础上研究建立了雷达信号环境的各类仿真模型:雷达脉冲信号模型、天线方向图模型、天线扫描模型等。
Finally , the information process model of the low frequency uwb - sar is given , and antenna pattern and the impulse response function of the system are discussed 最后研究了低频uwb - sar系统信息处理模型。利用该模型分析了天线方向图和系统的冲击响应函数。
