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- Wave beam forming 波束形成
- The wave beam can be efficiently radiated from a conveniently short antenna. 波束可以从一根使用方便的短天线上有效地发射出去。
- The wave beam can be efficiently.radiated from a conveniently short antenna. 波束可以从一根使用方便的短天线上有效地发射出去。
- 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。
- Axicon's diffraction mode for spherical wave beam with eccentricity[J]. 引用该论文 王中宇;张朵;李萌;高晓颖.
- A high performance digital beam forming (DBF) processor is designed and implemented by using ADSP-TS201S. 采用ADI公司的TigerSHARC系列第二代超高性能DSP芯片ADSP-TS201S设计制作了一个高性能的数字波束形成(DigitalBeamForming,DBF)处理器。
- Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems. 数字波束形成(DBF)技术是现代雷达和通信领域的研究热点。
- Digital beam forming (DBF) is a soaring technology in muti-subjects area in last twenty years. 数字波束形成技术是近二十年来发展起来的多学科交叉的新兴技术。
- It is possible that the incident spherical wave beam is tilted with the optical axis of the axicon in practical measurement. 在实际使用中,入射球面波很可能与圆锥透镜的光轴发生倾斜。
- 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。
- In the case of the main-lobe interference, we construct the preprocessing matrix, which cancels the main-lobe interference before adaptive beam forming. 特别针对主瓣内干扰情况下的宽带自适应波束形成,通过构造圆阵预处理矩阵,消除主瓣内干扰后再作自适应波束形成,解决了主瓣畸变的问题。
- A new digital beam forming (DBF) method is proposed. It combines the parallel delay LMS (PDLMS) algorithm and the field programmable gate array (FPGA). 采用高并行度的并行延时最小均方 (PDLMS)算法 ,用现场可编程门阵列 (FPGA)实现自适应数字波束形成模块。
- The affection of quantization error for SNR in digital beam forming (DBF) is analyzed on the perfect and normal conditions respectively. 摘要文章针对理想和非理想的不同条件，从理论上分析了量化误差对于数字波束合成(DBF)中输出信噪比SNR的影响。
- Using the microphone array system based on beam forming technology,the noise emission property of a motorcycle was investigated in detail. 利用基于波束成形的远场声阵列噪声源分析技术研究了摩托车辐射噪声的声源特性。
- In this paper, by analyzing the cause of high side lobe in inverse beam forming, a moving average method is used to suppress side lobes. 本文在分析逆波束形成算法高旁瓣起因的基础上，提出了用滑动平均抑制旁瓣的方法。
- Using spherical wave beam to illuminate an axicon will result in a beam with small central spot and large focal depth, which is useful for laser communication and long-distance measurement. 由于球面波入射圆锥透镜所产生的出射光束具有焦深长和中心光斑直径较小的特点,适合激光通信以及长距离测量。
- Furthermore,this paper discusses how to optimize the beam position by using the technology of Digital Beam Forming(DBF) in order to save time for scanning. 为了进一步节省扫描时间，还对如何利用数字波束形成（ D B F） 技术实现优化进行了探讨。
- A little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface,yet has to connect with its corresponding gliding irrotational waves. 离开固体表面稍远的区域,可以有平行于表面传播的纵波声束存在,但是需要与相应的滑行集散波相互衔接。
- With the development of signal processing technology, Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems. 随着信号处理技术的发展，数字波束形成(DBF)技术在现代雷达和通信系统中的应用越来越广泛。 它利用数字信号处理的方法形成多个独立的波束。
- Two examples of application are also introduced. One is used for Digital Beam Forming(DBF) processor; another is for linear frequency modulation pulse compression. 文中还分别介绍了如何利用该模块构成一个4波束的数字波束形成处理器,和一个可以同时对4个波束的回波信号进行线性调频信号脉冲压缩的实时雷达信号处理器。
