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- Digital beam controller 数字波束控制器
- 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。
- 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。
- In this paper, the laser thermal effects, produced in the transmitting channel of a beam control system, are numerically analyzed. 通过仿真计算分析了激光在光束控制系统通道内传输所产生的热效应及其对远场光束质量的影响。
- 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 PERO antenna systems are most effective in large apertures and are characterized by minimal weight and cost if compared to other antennas with electronic beam control. 在大口径相控阵天线中有较好的效费比。
- 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。
- A four-dimension simulation code is developed,which enables us to study the thermal effect of high-power lasers propagating through a beam control system. 编制了四维仿真程序,用以研究光束控制系统中的热效应对强激光传输的影响。
- The flight demonstration hardware includes the beam control system;weapon system consoles, which display high-resolution imagery and enable the tracking of targets;and sensors. 飞行验证硬件包括光束控制系统、武器系统控制台(显示高解析度图像并允许跟踪目标)以及传感器。
- 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。
- 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。
- 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。
- Based on beam control technology of one-dimension phased-array fuze, the paper deduced the optimal burst angle and burst delay algorithm and researched an improved Kalman algorithm. 基于一维相控阵引信的波束控制技术,推导了最佳起爆角和起爆延时算法,并研究了一种改进卡尔曼滤波方法在此算法中的应用。
- 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。
- The fundamental principle of digital beam forming(DBF)is introduced briefly. The modeling and simulation of DBF system based on System Generator(SG)are carried out and the simulation result is given. 简要介绍数字波束形成的基本原理,在此基础上,利用System Gcnerator(SG)进行数字波束形成系统的建模和仿真,并给出仿真结果。