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digital beam scanner 数字式波束扫探器
The flashlight's beam scanned every corner of the room. 手电筒的光束扫遍屋内各个角落。
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。
As the electron beam scans the image, variations of light inten. 当电子束扫描图像时,图像的光强度变化变成了电强度变化。
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。
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。
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。
The results show that the surface temperature of melt pool is affected intensively by melting parameters such as melting rate,melting power,electron beam scanning pattern and scan frequency,etc. 结果表明,结果表明,熔炼工艺参数如熔化速度、熔炼功率、电子束扫描方式和扫描频率都会对熔池表面温度产生剧烈影响。
The beam scans a circular area in the forms of a sector which sweeps around and around. 这波束周而复始地呈扇形扫视一个园形区域。
The beam scans a circular area in the form of a sector which sweeps around and around. 这波束周而复始地呈扇形扫视一个园形区域。
Equipted with it,phased array radar could have Adaptive beam, lower Side-lobe beam and beam scanning. 相控阵天线通过它可以实现自适应波束、低旁瓣波束，并通过对移相器、衰减器的控制实现波束扫描。
For subarray level beam scanning, the proposed approach could reduce sidelobe of array pattern to certain extent. 该方法可在一定程度上抑制子阵级波束扫描后的阵列方向图旁瓣。
Parameters such as laser power, beam scanning speed and so on had fairsized effec... 激光功率和光束扫描速度等参数对固化过程有较大的影响;