叙述了在密度加权相控阵上进行的随机馈相和波束置零实验。
Experiments of the phase control null and random phase quantization in density weighted phased arrays are described.
在六角形阵阵元数较多时,传统的频域相移求和波束形成方法要求的运算量很大。
While the amount of hexagonal array elements is high, the conventional phase shift-sum beamforming approach requires a heavy computational load.
研究表明,传统单脉冲和差比幅法实际上是一种搜索方位在和波束最大点附近的单目标的有效方法。
It is shown that sum-difference amplitude-comparison monopulse is in fact an effective search method for a single target with azimuth in the vicinity of the peak the sum beam.
数值结果表明,金属栅厚度对漏波天线波求方向影响较小,但对漏波天线的辐射效率和波束宽度有明显的影响。
Numerical results show that the effect of metallization thickness is smaller on the direction of main beam and very noticeable on the beamwidth and aperture efficiency.
基于提出的信道冲激响应矩阵算法,给出了天线信道mIM O系统和波束信道M IM O系统容量极限的分析算法。
On the proposed algorithm of the channel impulse response matrix, the analysis algorithms on the capacity limits of the antenna-channel MIMO system and the beam-channel MIMO system are presented.
一种基于数字波束的智能天线实现装置,包括:阵列分集天线、射频通道、波束形成单元、基带处理MODEM和波束控制器。
Equipment for implementing intelligent antenna includes: array diversity antenna, radio frequency channels, beam forming unit, baseband processing MODEM and beam controller.
为了改善低信噪比下波束形成的性能,从双稳态随机共振模型出发,提出了利用频率尺度变换,将随机共振和波束形成结合起来的算法。
To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance(SR)in a bistable model is investigated by using a frequency scale transformation method.
DOA-波束形成联合算法是在天线阵的阵列流型估计不准确时具有稳健性,并且DOA估计性能和波束形成性能优于已有波束形成算法。
The beamforming algorithm joint with DOA is robust to imprecise array manifold, and has better performances both in beamforming and DOA than existing beamforming algorithms.
DOA-波束形成联合算法是在天线阵的阵列流型估计不准确时具有稳健性,并且DOA估计性能和波束形成性能优于已有波束形成算法。
The beamforming algorithm joint with DOA is robust to imprecise array manifold, and has better performances both in beamforming and DOA than existing beamforming algorithms.
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