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digital multi - beam forming 数字多波束形成
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。
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。
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。
Study on Digital Multi - beam Transmit Antenna 发射数字多波束天线技术研究
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。
This paper introduces two methods about the transmit digital multi beaming and obtains the result of computer simulation. 文中主要讨论了两种发射数字多波束的形成方法,并通过计算机仿真试验验证该方法的可行性。
There are many reports about the receive digital multi beaming process, but the report about transmit digital multi beaming is very few. 关于接收数字多波束形成处理技术国内外相关文献报导较多,而对于发射数字多波束形成技术报导较少。
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。
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。
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。
This paper adopts adaptive digital beam forming(ADBF) method to reduce the influence of multi-path effects when the phased array radar detects the small skimming targets. 利用自适应数字波束形成法来降低相控阵雷达在探测低空掠海飞行小目标时多路径效应的影响。
The company is specialized in the development and production of digitalized multi media information distribution and display system. 它们可运行于多种系统平台上，可以灵活配置、安装简便、功能强大、接口友好、高速、易管理、安全可靠、可以根据需要任意扩展。
In the design process of digital beam forming (DBF) system, all kinds of modern electronic develop tools should be used in order to make the system operates in real time. 摘要数字波束合成(DBF)数据基带系统设计中，为了实现实时数据传输和处理功能，需要合理利用各种现代电子开发工具。
DMSD Digital Multi Standard Decoder 数字多标准译码器
Unbalance of amplitude phase in radar receiving channels and mismatch of frequency characteristic within channel band may affect the sidelobc level and output signal-to-noise(SN)ratio of digital beam forming(DBF)seriously. 雷达接收通道间的幅相不一致与通道带内频率特性失配对DBF(数字波束形成)的副瓣电平及输出信噪比有很大影响。
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。