Well , phased array antennas is composed of thousands of elements . if the mutual coupling between each radiating unit is taken into account , it ’ s absolutely hard to de this work by single computer 相控阵天线是由成百上千个阵元组成,如果研究阵中所有阵元的互耦效应势必单台计算机难以完成。
Based on the questions above , firstly two examples of array antennas have been emulated , which validates the correctness of the commercial software ansoft hfss 针对上述问题,本文首先通过阵列天线的实例仿真,验证了ansofthfss的准确性,接着运用该软件通过s参数分析,提出了一种新型的阵列天线模型。
Waveguide aperture phased array antenna is analyzed using the transparent source technique and the auxiliary fields fdtd . a method to calculate triangular lattice array is put forward 有源结构中以波导口径相控阵天线为例,将透明源技术与辅助场fdtd结合起来,并提出了一种分析三角形栅格阵列的方法。
Along with the electronic warfare demand and the requirement of probing and tracking outer - space objects , phased array antennas have become developmental mainstream of the applied radar antennas 随着电子对抗技术的发展和外空间目标探测、控制的需要,相控阵天线已经成为当今实用雷达天线发展的主流。
As an example , an off - loading equipment for 10 meter deployable panel array antenna is described in detail , including system design , active function and key components developing 最后以10米平面阵式可展开天线的零重力展”开设备研制为例,详细介绍了系统的总体设计、系统组成、工作原理及关键设备的研制。
The object functions for synthesis of array antennas usually have the characteristics of multi - parameters , non - differentiable even discontinuities . the optimization of pattern function is non - linear problem 阵列天线的综合问题大多呈现多参数、不可微、甚至不连续的特性,其方向图参数的最优化是一种非线性优化问题。
" with the developme1lt of the phased array antenna system , it is very important to research on various phase shifters , particularly on a duai - mode latching reciprojal ferrite phase shifter 随着相控阵雷达技术的应用发展,各类移相器的研制工作越来越重要,其中双模互易铁氧体移相器由于其独特的优点而得到广泛应用。
Optical fiber communication is the foundation of optically controlling phased array antennas , so the performance of optical fiber communication influences the development of optically controlling phased array 光纤通信技术是光控相控阵理论得以实现的载体。光纤通信技术的发展状况,直接影响光控相控阵技术的发展水平。
In this paper , based on a linear mathematic model a new method in measuring phased array antenna quickly is described . the pattern and gain in any disposing - phase status can be expressed by this model 此方法产生的基础是线性数学模型,基于此模型,移相器在任何配相状态下的方向图及增益等特性都可用此模型表示出来。
Array signal processing is widely used in some areas such as radar and communication , including beamforming and parameter estimation . the spatial - temporal snapshots are obtained from the received data of array antenna 阵列信号处理广泛应用于雷达、通信等领域,其主要研究内容有波束形成和以高分辨波达方向为代表的参数估计。