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multiple frequency synthesizer 多频合成器
Frequency synthesizer is the hardcore of a electronic system. 频率合成器是电子系统的核心部件。
The work presents the frequency synthesizer based on PLLs. 所以在频率合成器的设计，可分为两个主题。
A new advanced method to constitute a multiple point frequency synthesizer by using large scale PLL frequency IC controlled by single chipmicrocomputer is presented. 用单片机控制大规模集成锁相环频率合成电路来构成多频点频率合成器，使大规模集成锁相环频率合成电路的功能得到充分发挥。
The frequency synthesizer designed with this technology can generate sine/square wave of any frequency (0.023 Hz to 35 MHz) with multiple modes (FM, DM and AM) according to preset parameters. 该频率合成器能够根据外部的参数设置完成任意频率(频率范围0.;023Hz-35MHz)、多种模式(调频、调相及调幅等)的正弦波以及方波等波形输出。
PLL frequency synthesizer with DDS reference will adapt to local oscillator of modern radio. 采用DDS输出作为参考的PLL频率合成器非常适合用做现代电台的本振。
A Quadrature Direct Digital Frequency Synthesizer (QDDS) based on CORDIC algorithm is presented. 设计了一种基于CORDIC算法的正交输出直接数学频率合成器(QDDS);并在ALTERA FLEX10K 系列FPGA上予以实现.
The fast frequency synthesizer used in the CNI system is discussed in this thesis. 本课题对该系统所需的快速跳频频率合成器进行了初步的研究。
In this paper, the design scheme of an agile microwave frequency synthesizer which adopts DDS+PLL is discussed. 本文讨论采用DDS+PLL的捷变微波频率合成器的设计方案。
A new-style audio remote tripper is presented,which adopts DTMF (Dual Tone Multiple Frequency)technology. 提出了一种新型的、用双音频编码实现的音频远方跳闸装置。
Therefore,high performance PFD and CP is the necessity and guarantee for high performance frequency synthesizer. 所以,一个好的鉴相器和电荷泵是设计高性能频率合成器必要和保证。
In this paper, a solution to fractional frequency dividing frequency synthesizer is introduced. 文中介绍了一种小数分频频率合成器的设计方案。
A way to measuring the vector miss distance using echo signal from Multiple Frequency CW-Tracking Radar is described in this paper. 本文详细介绍了利用多频连续波测量雷达回波信号进行脱靶量测量的方法。
A responsive multiple frequency ranging system is designed by utilizing digital phase discrimination,based on FFT,and phase double principle. 利用基于FFT的数字鉴相方法和自乘倍相原理设计了一种应答式侧音测距系统。
The purpose of this thesis introduces the analysis frequency synthesizer and the actual design process of the frequency synthesizer. 本论文的目的在于介绍频率合成器的理论分析和实际频率合成器的设计过程。
An underwater acoustic communication scheme using time delay and multiple frequency modula-tion technique is presented in this paper. 研究了一种采用脉冲时延差和多频码元组合编码的水声通信技术。
A realization technique of high speed arbitrary wave generator based on dual DDS(direct digital frequency synthesizer) is presented. 提出了一种基于双DDS(Direct Digital Frequency Synthesizer)的高速任意波发生器实现技术。
In a transmit-receive sharing digital frequency synthesizer, how fast speed we identify whether frequency is aimed at, this is a key subject in ECM. 在收发共用的数字式频率综合器中;如何快速判别频率是否瞄准;也就成为电子对抗战中的一个关键课题.
In this paper, a design approach of 10cm microwave total coherent agile ra- dar frequency synthesizer, developed by our instiute is introduced. 较详细地介绍了航空航天部二院二零三所研制的10cm全相参捷变雷达频率合成器的设计方案。
Multiple frequency CW radar has the virtues of high velocity and range accuracy,with the developoment of measureing radar in shooting range,it is paid more attetion to recently. 多频连续波雷达具有测速、测距精度高等优点,近年来随着靶场测量雷达改进和发展的需要,其研究又逐步受到人们的重视。