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A DBF array consists of antenna elements,N receiving modules,A/D convertors,a digital beamformer and controller. 数字波束形成(DBF)阵列由天线阵元、N 路接收组件、A/D 变换器、数字波束形成器及控制器组成。
DBF array consists of antenna elements,N receiving modules,A/D convertors,a digital beamformer and controller. 数字波束形成(DBF)阵列由天线阵元、N路接收组件、A/D变换器、数字波束形成器及控制器组成。
Digital beamformer design: The advance of medical ultrasonic imaging system technologies is closely linked to the advance in electronic technologies. D.;数位成像技术：医学超音波影像系统之技术演进和电子技术之快速进步有著密不可分的关系。
Digital Beamforming technology is very important in DBF Radar. 数字波束形成是DBF雷达实现的关键技术。
This paper introduces the basic principle of the digital beamforming technique and it's key techniques. Then the digital IF signal, digital quadroture demodulator, the beamformer and the beam controller is primarily discussed. 介绍数字波束形成技术的基本原理、关键技术。着重讨论中频数字化及正交解调器、波束运算器和波束控制器。
The digital beamforming (DBF) of the phased array antenna is a key technology of the smart antenna. 阵列天线的数字多波束形成技术是智能天线中的一项重要技术。
Chapter 2 discusses digital beamforming (DBF) of phased array radar and the amplitude and phase errors. 第二章介绍了相控阵雷达的数字波束形成，并对接收机的幅相误差进行了分析。
The application of wide-band digital beamforming(DBF) to radar EW systems is introduced. 探讨了应用于雷达电子战系统的宽带DBF技术。
The experimental results show the effectiveness of the digital beamforming and the validity of SDMA as weIl. 实验结果说明研制的数字波束形成阵列是有效的,同时也实现了空分多址的思想。
The digital beamforming(DBF) and multitarget tracking of plane array are researched based on mathematical analysis and computerized simulation. 用计算机仿真研究面阵天线数字波束形成(DBF)和对多目标跟踪。
This paper discusses Digital Beamforming(DBF) in detail for engineering application on radar system,introduces circuit design and beam design of DBF. 本文对数字波束形成技术在雷达系统中的应用进行深入讨论,介绍了数字波束形成的电路设计和波束设计。
The algorithm implements stretch processing and narrowband filtering, and achieves digital beamforming by weighting inter-subarrays. 该方法首先对接收信号拉伸处理和低通滤波，然后在子阵间加权实现宽带子阵数字波束形成。
This paper presents a new wideband digital beamforming method using subarrays and Linear Frequency Modulation (LFM) signal. 该文在基于子阵和发射为线性调频信号的前提下，提出一种宽带子阵数字波束形成方法。
ZHU H, HAN T, SHI W K, Identifying multiple SAW tags based on digital beamforming[J].Piezoelectrics & Acousto optics, 2008,30(2):127-129,132. 朱华，韩韬，施文康.;基于数字波束形成的多声表面波标签识别[J]
Radio frequency (RF) beamforming algorithms are impractical to achieve digital beamforming (DBF) directly by digital signal processing (DSP) techniques in real time. 射频 (RF)波束形成算法 ;难以直接采用数字信号处理 (DSP)技术 ;实时完成数字波束形成 (DBF)计算 .
The algorithm, which implements the stretch processing and narrowband filtering technique, achieves digital beamforming by weighting inter-subarrays in the time domain. 该方法先对接收信号拉伸处理和低通滤波，然后在子阵间时域相位加权实现宽带数字波束形成。
Design and Implementation of Digital Beamformer for Wideband Constant Beamwidth 一种宽带恒定束宽数字波束形成器的设计
Researches about pattern synthesis, adaptive nulling and multibeam digital beamforming for multibeam antennas array are also covered in the dissertation. 本文针对多波束阵列天线的方向图赋形、自适应调零以及多波来数字波束形成等方面进行了探讨。
In order to effectively suppress the fast follower jammer from up-link in frequency-hopping satellite communication systems,a novel jamming suppression technique (AJDBFFH) of combining digital beamforming(DBF) with frequency-hopping(FH) is presented. 为了有效地抑制来自跳频卫星通信系统上行链路的快速跟踪干扰 ;本文提出了一种数字波束形成与跳频相结合的新型干扰抑制技术 (AJDBFFH) .
Based on digital beamforming (DBF) system, this paper presents a new side lobe cancellation scheme on the receiving direction of DBF, by which the active jamming can be effectively rejected without reducing signal detection and measurement acccuracy. 提出了一种基于数字波束形成 (DBF)技术进行副瓣对消的新方法。与传统的天线副瓣对消相比 ,该方法采用的对消函数与副瓣拟合得较好 ,因而对消剩余较小 ,而且无需大量的计算即可自适应地形成零点 ,能很好地抑制从副瓣进入雷达系统的干扰。