English translation for "数字频率合成器"

dfs digital frequency synthesizer
frequency synthesizer

Example Sentences:

	1.	Dfs digital frequency synthesizer 数字频率合成器
	2.	Luo bin ( optics engineering ) directed by yu xuecai , zong derong based on the laser mode locking principle , this paper focuses on the study of dds acousto - optic mode locker 本文根据锁模激光原理，进行了dds （直接数字频率合成器）声光锁模器的研制。
	3.	At first , this paper described the basic structure , working principle , sources of spurious signals and characteristics of output spectrum , of direct digital frequency synthesizer ( dds ) 首先分析直接数字频率合成器( dds )的基本结构、工作原理、杂散来源、输出频谱特性。
	4.	Direct digital frequency synthesizer ( dds ) is an apparatus to generate wave on the required frequency . it provides high frequency resolution , rapid frequency transforma - tion and other superiority 直接数字频率合成器是现代频率合成的主要工具,它有频率分辨率高,频率转化快等众多优点。
	5.	This paper also discusses direct digital synthesis ( dds ) and digital signal process ( dsp ) in detail , because the application of digital technology is involved in software radio 本课题由于在软件无线电中还涉及了数字技术的应用，因此对其中的关键部分直接数字频率合成器( dds )和高速数字信号处理器( dsp )也进行了详细地讨论。
	6.	Then according to the emphasis of the design , went deeply into the theory of pll frequency synthesizers widely used , described pll ’ s working principle , structure and several types in detail , and made research and analysis of pll frequency synthesizers ’ phase noise , including the effect of the active loop filter on the phase noise , and give some methods to make improvement as well , such as changing loop filter form , reducing divide number , and increase phase detector frequency , etc . then paper introduced the principle character and phase noise analysis of direct digital frequency synthesizer ( dds ) and injection phase lock circuit , which are also important circuits in the design 论文首先对几十年频率合成器的发展进行概述,而后针对本次设计的重点,对应用较为广泛的锁相频率合成理论进行了深入的探讨,详细介绍了锁相环的工作原理、组成结构和锁相类型,并对锁相频率合成器的相噪特性进行了研究分析,包括有源环路滤波器对于相噪的影响,提出了改善相位噪声的几点措施:改善环路形式、降低分频数、增大鉴相频率等。接着介绍了直接数字频率合成器( dds )和注入锁相电路的原理特点以及相噪分析,它们也是本次设计的重要电路。
	7.	The direct digital frequency synthesizer is a kind of fully digitized frequency synthesizer , which consists of the phase accumulator , the sine look - up table , the digital to analog converter and the low band filter . it is of high frequency resolution , fast frequency switching speed , low phase noise , the ability to switch frequencies while maintaining constant phase , and the ability to producing arbitrary waveforms 直接数字频率合成器是一种全数字化的频率合成器，由相位累加器、波形rom 、 d a转换器和低通滤波器构成， dds技术具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低和可以产生任意波形等优点。

Similar Words：

"数字频率" English translation, "数字频率表" English translation, "数字频率调制器" English translation, "数字频率分格器" English translation, "数字频率分析器" English translation, "数字频率计" English translation, "数字频率计数字式频率计" English translation, "数字频率监视器" English translation, "数字频率接收器" English translation, "数字频率显示" English translation