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- One-source BSE algorithms are directly usable to blind beam forming. 單源盲分離算法可以直接用于盲波束形成。
- 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設計制作了一個(gè)高性能的數字波束形成(DigitalBeamForming,DBF)處理器。
- Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems. 數字波束形成(DBF)技術(shù)是現代雷達和通信領(lǐng)域的研究熱點(diǎn)。
- Digital beam forming (DBF) is a soaring technology in muti-subjects area in last twenty years. 數字波束形成技術(shù)是近二十年來(lái)發(fā)展起來(lái)的多學(xué)科交叉的新興技術(shù)。
- This article introduces many kinds of ultrasonic transducers, transducer focus, and digital beam forming technology. 概述了各種超聲醫學(xué)成像換能器現狀,以及換能器聚焦和數字波束成像技術(shù)。
- In the case of the main-lobe interference, we construct the preprocessing matrix, which cancels the main-lobe interference before adaptive beam forming. 特別針對主瓣內干擾情況下的寬帶自適應波束形成,通過(guò)構造圓陣預處理矩陣,消除主瓣內干擾后再作自適應波束形成,解決了主瓣畸變的問(wèn)題。
- 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時(shí)最小均方 (PDLMS)算法 ,用現場(chǎng)可編程門(mén)陣列 (FPGA)實(shí)現自適應數字波束形成模塊。
- The affection of quantization error for SNR in digital beam forming (DBF) is analyzed on the perfect and normal conditions respectively. 摘要文章針對理想和非理想的不同條件,從理論上分析了量化誤差對于數字波束合成(DBF)中輸出信噪比SNR的影響。
- 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遠場(chǎng)聲陣列噪聲源分析技術(shù)研究了摩托車(chē)輻射噪聲的聲源特性。
- 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礎上,提出了用滑動(dòng)平均抑制旁瓣的方法。
- 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. 為了進(jìn)一步節省掃描時(shí)間,還對如何利用數字波束形成( D B F) 技術(shù)實(shí)現優(yōu)化進(jìn)行了探討。
- With the development of signal processing technology, Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems. 隨著(zhù)信號處理技術(shù)的發(fā)展,數字波束形成(DBF)技術(shù)在現代雷達和通信系統中的應用越來(lái)越廣泛。 它利用數字信號處理的方法形成多個(gè)獨立的波束。
- Most people's faces are asymmetrical. 多數人的臉并不對稱(chēng)。
- Two examples of application are also introduced. One is used for Digital Beam Forming(DBF) processor; another is for linear frequency modulation pulse compression. 文中還分別介紹了如何利用該模塊構成一個(gè)4波束的數字波束形成處理器,和一個(gè)可以同時(shí)對4個(gè)波束的回波信號進(jìn)行線(xiàn)性調頻信號脈沖壓縮的實(shí)時(shí)雷達信號處理器。
- A self-contained LO distribution system allows the TU-6401 to be used for beam forming and DF systems, as well as for a wide range of other ELINT and EW applications. 獨立的LO分布式系統允許TU-6401用于波束形成和DF系統,也可用于各種其他的電子情報和電子戰場(chǎng)合。
- The influences of laser on plasma arc beam form,width and depth of molten pool in the high temperature alloy powder deposition were investigated. 研究了等離子激光復合熔積高溫合金粉末過(guò)程中激光對等離子弧柱形態(tài)、熔積時(shí)熔深和熔寬等的影響。
- 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. 利用自適應數字波束形成法來(lái)降低相控陣雷達在探測低空掠海飛行小目標時(shí)多路徑效應的影響。
- 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. 摘要數字波束合成(DBF)數據基帶系統設計中,為了實(shí)現實(shí)時(shí)數據傳輸和處理功能,需要合理利用各種現代電子開(kāi)發(fā)工具。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常優(yōu)美。
- 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. 雷達接收通道間的幅相不一致與通道帶內頻率特性失配對DBF(數字波束形成)的副瓣電平及輸出信噪比有很大影響。