直接数字式频率合成(DDS)技术是一种全数字频率合成技术，其特殊的原理和结构使它具有多种调制能力。
Direct digital synthesis (DDS) is an all digital frequency synthesis technique. Because of its special theory and construction, it has many kinds of modulation capability.
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。
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.
介绍了锁相环(PLL)技术和直接数字式频率合成(DDS)技术的基本工作原理，给出了一种提高DDS输出频率精度及减小其相位截断误差的方法。
This paper introduces the theory of the phase-locked loop (PLL) and the direct digital synthesis (DDS), a method to improve the precision of DDS and reduce its phase truncation error is also given.
这种直接数字式频率合成技术(DDS)具有频率值转换速度快、频率值分辨率高、控制频率的相位值连续等优点。
The technology of DDS has many values, such as the speed of hopping frequency is very high, the resolving power of frequency is also high.
分析比较了各种频率合成技术的优缺点，重点分析了直接数字式频率合成器的原理、结构、频谱以及特点。
Analyze and compare a variety of technologies of frequency synthesis, analyze the principle, structure, spectrum and characteristics of direct digital synthesis.
直接数字式频率合成(DDS)作为一种新的频率合成技术，它可以实现从信号参数到信号波形的转换。
Direct digital synthesizer (DDS) is a kind of new frequency synthesizer technique. With it signal parameter can be switched into signal wave.
直接数字式频率合成(DDS)作为一种新的频率合成技术，它可以实现从信号参数到信号波形的转换。
Direct digital synthesizer (DDS) is a kind of new frequency synthesizer technique. With it signal parameter can be switched into signal wave.
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