The work in this paper shows the DDS technique has excellent apply fortune in signal generator design.
工作表明，DDS技术在信号源设计领域有广阔的应用前景。
DDS technique is applied in this paper to design and carry out the piezoelectric crystal admittance circle measurement machine.
采用DDS技术设计并实现了压电晶体导纳圆测量仪。
The paper presents the realization method of acoustic simulator for SL-6000 logging system acoustic instruments based on the DDS technique.
本文提出了基于DDS技术的针对SL-6000型测井系统声波井下仪的声波模拟器的实现方案。
A complex structure signal simulator designed by DDS technique is introduced. It can simulate several kinds of strata echo waves or complex structure signals.
介绍了一种利用DDS技术设计的复杂结构信号模拟器，它可以模拟多种地层回声或复杂结构的信号。
The DDS technique is mainly described, and the basic principle and the composition of the signal simulator are introduced with a complex structure strata echo signal.
同时重点介绍了DDS技术，并以结构复杂的地层回声信号为例介绍了信号模拟器的基本原理及构成。
Based on DDS technique, the signal generator can create two signals, i. e. the sinewave and the square wave signals, and its amplitude, frequency and phase can be continuously adjusted.
采用直接数字合成（DDS）技术构建双路正弦波及同步方波发生器，实现幅值、频率、相位等连续调节；
DDS is an advanced technique on frequency synthesis, whose primary advantages are controlling facility, continuous phase and fine frequency resolution.
DDS技术是一种先进的频率合成技术，其主要优点是易于程控，相位连续，输出频率稳定度高，分辨率高。
DDS is digital synthesizer technique.
DDS是一种数字合成技术。
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(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。
This paper introduces the application of direct digital synthesizers (DDS) technique in laser phase distance measurement.
本文介绍了直接数字合成（DDS）技术在激光相位测距仪中的应用。
The system USES direct digital synthesize (DDS) and parallel processing technique, improves the performance and speed of the processing, and reduces the hardware delay mostly.
该系统采用了直接数字频率合成技术(DDS)和并发处理技术，提高了系统的性能和处理速度，较大程度地减少了硬件延时。
DDS (direct digital synthesis) is a sort of frequency synthesis technique, which has advantages such as short frequency conversion time, high resolution in frequencies, programmability and so on.
直接数字频率合成(DDS)技术是目前广为应用的一项频率合成技术，它具有频率转换时间短、频率分辨率高、可编程等特点。
Using DDS (Direct Digital Synthesizer) technique under control of single-chip computer, electronic-tunable wavelength scanning is realized.
系统采用计算机控制下的直接数字频率合成(DDS)技术，实现电调谐波长扫描。
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。
Direct digital synthesis is a kind of advanced technique on frequency synthesis, in this paper, the design and realized technique of DDS is given.
直接数字合成是先进的频率合成技术，给出了直接数字合成器的设计方法和实现技术。
Based on the principle of phase laser range finder, a new method of utilizing Direct Digital Synthesizes (DDS) technique and Digital Signal Process (DSP) technique is proposed in this paper.
本文在传统的相位法激光测距原理的基础上，提出了一种把直接数字频率合成(DDS)技术和数字信号处理(dsp)技术相结合的新的相位激光测距方法。
This thesis mainly discusses the Direct Digital Frequency Synthesis (DDS) technique and its applications.
本文主要讨论了数字频率直接合成(DDS)技术特点及其应用。
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。
The technique of direct digital synthesis(DDS)is a novel frequency synthesis technique.
直接数字频率合成（DDS）是一种新型的频率合成技术。
The technique of direct digital synthesis(DDS)is a novel frequency synthesis technique.
直接数字频率合成（DDS）是一种新型的频率合成技术。
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