Digital Beam Forming is a important part of modern radar.
数字波束形成系统是现代雷达一个重要的组成部分。
One-source BSE algorithms are directly usable to blind beam forming.
单源盲分离算法可以直接用于盲波束形成。
The project of digital beam forming in antenna arrays was suggested based on DSP.
提出了一种利用DSP实现基于阵列天线的数字波束形成的方案，对数字波束形成原理作了简单介绍。
It is of great importance to study digital beam forming so as to overcome these problems.
针对上述问题，本文重点讨论数字波束形成的原理和实现的方法。
The system module has functions of real-time and wideband multi-beam forming and channel adjusting.
该系统模块具有实时宽带多波束形成以及通道校正功能。
At last, the questions about beam forming network and coupling in multi-beam antennas are described.
最后讨论了多波束中波束形成网络及波束之间的耦合问题。
The receiving channel calibration is an important link to ensure the performance of receiver beam forming.
接收通道校正是保证接收波束形成性能的重要环节。
The beam forming technique is used in the UHF radio for improving antenna gain and system anti-interception.
提出了将波束成形技术应用于超短波电台，以提高天线增益和系统抗侦收能力。
The transmitting beam steering and receiving Digital beam Forming (DBF) is the key technology of Digital Radar.
发射波控和接收数字波束形成(DBF)技术是数字化雷达的关键。
A new type of dual circular polarization ultra-wide-band 8 ports beam forming network is proposed in this paper.
提出了一种新型宽带8路双圆极化和差波束形成网络，推导了网络的基本原理并给出了设计实例。
This article introduces many kinds of ultrasonic transducers, transducer focus, and digital beam forming technology.
概述了各种超声医学成像换能器现状，以及换能器聚焦和数字波束成像技术。
The digital beam forming technique can improve the contrast, lateral and axial resolution of ultrasound imaging equipment.
数字声束形成技术可以提高超声成像设备的对比分辨力、横向和纵向分辨力。
This paper analyzes the effect of amplitude phase errors on sidelobe level and beam direction in digital beam forming system.
针对旁瓣电平、波束指向等指标分析了幅相误差对数字波束形成系统的影响。
To enhance the tracking technology of satellitic antenna controller, the article introduces a improving method based on electronic beam forming.
为改进卫星天线控制器的跟踪技术，提出一种基于电子波束成形的跟踪子系统改进方法。
So far, many kinds of dereverberation methods have been developed, such as complex cepstrum filtering, inverse filtering, beam forming and so on.
目前国内外声混响消减方法很多，如复倒谱法、逆滤波法、波束形成等。
The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.
和差网络输出的和差信号相位差会影响单通道信号的调制度，进而降低跟踪精度。
The paper studies a new kind of beam forming system based on injection-locking technique, which has the merits of low cost, high integration and high efficiency.
研究了利用注频锁相技术实现低成本、高集成度、高效率的发射波束形成系统。
The ultrasound diagnostic equipment using the technologies of digital scan conversion and digital beam forming is defined as the digital ultrasound diagnostic equipment.
采用数字扫描变换技术和数字声束形成技术的超声诊断设备被称为全数字超声诊断设备。
This paper introduces a method to implement the algorithm of digital multi beam forming in high performance DSP SHARC processor, and the parallel processing is discussed.
文中介绍了一种采用高性能DSP处理器SHARC实现实时数字多波束形成的处理方案，着重于其中的并行处理。
The antenna patterns of beam forming are measured. The result demonstrates that the beam forming technique can be used in the VHF radio with wide application in the future.
并对样机的发射波束成形方向图进行了测试，结果表明超短波电台能够采用波束成形技术，并具有很广的应用前景。
However, far field model can not satisfy all the needs in practical application. Therefore, the beam forming method research based on near-field become more and more important.
在实际应用中，远场假设并不能满足所有需要，因此对近场情况下的波束形成方法进行研究就显得尤为重要。
Comparing the results between common beam forming and MVDR method, it shows MVDR method has higher resolution and can identify the complex noise distribution of the moving heavy d.
对重型商用车声源识别结果说明，利用最小方差无畸变响应估计能较常规波束成形更好地识别出噪声源。
When the downlink beam forming is applied in the wireless cellular network, the signals received by all mobile users must reach the provided signal to interference plus noise ratio.
在无线蜂窝系统中，当采用下行波束赋形技术时，所有用户所接收到的信号必须满足给定的信噪干扰比。
During radar tracking target in low elevation, the measuring error of tracked target was removed or reduced with array antenna beam forming technique that can reduce the multi-path error.
当雷达在低仰角跟踪时，降低多径误差的阵列天线波束的形成技术，可消除或降低低仰角跟踪目标时的测量误差。
There are two disadvantages in adaptive beam forming in the presence of main lobe interference, one is heightening of side-lobe level, the other is distortion and peak offset of main beam.
在自适应波束形成技术抑制干扰问题中，当存在主瓣干扰时，便暴露出两个缺陷：一是副瓣电平增高；
We have carried out full computer simulation on XEA gun for the beam forming region, main lens, and etc. The reasons for its excellent performance is analyzed and investigated in this paper.
本文对XEA电子枪电子束形成区、主透镜等进行了计算机模拟，对该枪优异性能的内在原因进行了分析和研究。
Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, and beam forming plays an important role.
现代声纳系统普遍采用水听器基阵和一定的信号处理来提高对目标的检测和定位能力，而基阵的波束形成则在其中起着核心作用。
This thesis places emphasis on one of the key techniques of smart antenna - adaptive digital beam forming (DBF) algorithm and its applications in the DS-CDMA mobile telecommunications systems.
本文重点研究智能天线系统的关键技术之一——自适应数字波束形成(DBF)算法在DS - CD MA移动通信系统中的应用。
In this paper, the specialized techniques of electron gun for large screen CPTs are discussed. The beam forming region, main lens, convergence lens system and dynamic focusing method are analyzed.
对近年来大屏幕彩色显像管电子枪专有技术进行了讨论，系统分析了电子束形成区、主透镜、会聚透镜系统及动态聚焦方式等。
In this paper, the specialized techniques of electron gun for large screen CPTs are discussed. The beam forming region, main lens, convergence lens system and dynamic focusing method are analyzed.
对近年来大屏幕彩色显像管电子枪专有技术进行了讨论，系统分析了电子束形成区、主透镜、会聚透镜系统及动态聚焦方式等。
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