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direct digital synthesizer中文什么意思

發(fā)音:   用"direct digital synthesizer"造句
  • 直接數(shù)字式頻率合成器
  • direct:    adj. 1.筆直的,一直線的;正面的。 2.直接的。 ...
  • digital:    adj. 1.手指的;指狀的。 2.數(shù)字的,數(shù)據(jù)的。 n ...
  • synthesizer:    n. 合成者,合成物;〔尤指〕【電學(xué)】合成器,綜合器。
  • dds direct digital synthesizer:    直接數(shù)字合成器
  • direct digital frequency synthesizer:    直接式數(shù)字頻率合成器
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例句與用法

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  1. Design of bessel low pass filter in direct digital synthesizer
    直接數(shù)字合成器中貝塞爾低通濾波器設(shè)計(jì)
  2. Through the research of direct digital synthesizer ( dds ) used as a divider in phase lock loop ( pll ) , a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized
    摘要通過對直接數(shù)字合成器在鎖相環(huán)路中作為分頻器應(yīng)用的研究,使頻率合成器可以在實(shí)現(xiàn)超細(xì)頻率分辨率的同時(shí)達(dá)到高的頻譜純度。
  3. This paper studies the system and hardware design of the arbitrary waveform generator based direct digital synthesizer in detail . and a theoretical analysis of the system performance is also given
    本文主要研究了基于直接數(shù)字合成( directdigitalsynthesizer )技術(shù)的任意波形發(fā)生器( arbitrarywaveformgenerator )的整體方案和核心部分的硬件設(shè)計(jì)。
  4. The developed module are the arbitrary waveform generator based on dos ( direct digital synthesizer ) technology as a signal source of testing system and the common testing device such as virtual spectrum analyzer - , virtual digital storage oscilloscopes virtual frequency counter etc
    所開發(fā)的模塊有,采用dds技術(shù)實(shí)現(xiàn)的任意波形發(fā)生器作為測試系統(tǒng)中的信號(hào)源,以及常見的信號(hào)測量設(shè)備,如虛擬頻譜分析儀,虛擬數(shù)字存儲(chǔ)示波器,虛擬頻率計(jì)數(shù)器等虛擬儀器。
  5. This paper deals with fundamental principles and characters of direct digital synthesizer ( dds ) , analyzes the principle of dds in modulation , also presents various basic schemes to implement gmsic 4dqpsk and qam , and makes an initial analysis on their performances
    本文介紹了直接數(shù)字頻率合成( directdigitalsynthesizer , dds )的基本原理及特性,分析了dds用于調(diào)制的原理,并給出了實(shí)現(xiàn)gmsk 、 / 4dqpsk和qam等調(diào)制的多種方案,同時(shí)對其性能進(jìn)行初步分析。

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