Direct Digital frequency synthesis (DDS) technology has always been the hotspot of study on frequency synthesis technology, since it was introduced in 1971 firstly.
自1971年第一次被引入以来，直接数字频率合成(DDS)技术一直是频率合成技术研究的热点。
Applications of decimal Fraction frequency divider in the area such as direct digital frequency synthesis technology and stepper motor drive speed controller a re introduced.
在此基础上，介绍了小数分频器在直接数字频率合成技术和步进电机驱动速度控制中的两种常见应用。
Direct digital synthesis (DDS) is an advanced all digital frequency synthesis technology, based on the PM function of DDS, this paper gives the design scheme of a DDS digital phase shifter.
直接数字式频率合成技术(DDS)是一种先进的全数字频率合成技术，本文基于DDS的相位调制功能，给出了一种DDS数字移相器的设计方案。
The technology of frequency synthesis is important in latter-day communication system. It's widely used in wireless communication and electron system.
频率合成技术是近代通信系统的重要组成部分，在无线电通信与电子系统的各个领域中得到了广泛的应用。
First of all, this thesis introduces the features of Direct Digital Frequency Synthesis (DDS) technique and gives a new structure of the Arbitrary Waveform Generators (AWG) base on DDS technology.
首先，本文对数字频率直接合成(DDS)技术的特点进行介绍，提出一种基于DDS技术的任意波形发生器(AWG)的改进结构。
Network analyzer adopt these new technology such as frequency synthesis, sampling technique, broad-band sweeping and computer-assisted testing.
网络分析仪结合了频率合成技术、采样技术、宽带扫频技术、计算机辅助测量等新技术。
The design method of normal frequency standard signal source, which utilizes program control digital wave synthesis technology and achieved by microcontroller was given.
采用程控数字波形合成技术，通过单片微型计算机系统实现了工频标准信号源。
The technology of frequency division phase-locked frequency synthesis is introduced.
介绍分频锁相频率合成技术。
So the technology of frequency synthesis is very important.
所以频率合成技术十分重要。
Using PLL synthesis technology such as frequency multiplication and frequency division, may obtain the multi-frequencies, the high stable oscillator signal output.
利用锁相环的倍频、分频等频率合成技术，可以获得多频率、高稳定的振荡信号输出。
Therefore, how to design a new frequency synthesizer to produce a great deal of high resolution, high stabilization frequency signal has become the key technology of synthesis.
因此，如何设计一种新的频率合成器来产生大量高精度、高稳定度的频率信号成为了合成技术的关键。
The technology of frequency synthesis has been called many electronic systems heart .
频率合成器被喻为众多电子系统的“心脏”。
The technology of frequency synthesis has been called many electronic systems heart .
频率合成器被喻为众多电子系统的“心脏”。
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