1) amplitude-quantization spur
幅度量化杂散
1.
The frequency spectra of the amplitude-quantization spurious signals in the absence of phase-accumulator truncation errors are emphatically analyzed by DFT, and several important conclusions are drawn.
文中对两类DDS幅度量化杂散信号的特性进行了分析和对比,在此基础上着重对无相位截断杂散时的幅度量化杂散信号进行了DFT分析和波形分析,得到几个关于其频谱特征和功率水平的重要结论,并通过计算机仿真考查了各种DDS参数对信杂比的影响。
2) amplitude quantization
幅度量化
1.
The spurious signals of DDS generated by phase truncation, amplitude quantization, (D/A) conversion and reference clock are analyzed.
研究利用直接数字合成(DDS)技术产生正弦信号源的方法,对DDS中由相位截断、幅度量化、数模转换和参考时钟引入的杂散信号进行了分析,并用M atlab对相位截断误差和幅度量化误差进行了仿真,仿真结果与理论计算值吻合。
2.
The basic operation principle of the multiple-bit amplitude quantization DRFMs was discussed, and then the general technique of Simulink modelling & simulation for multiple-bit DRFMs was proposed.
数字射频存储器(DRFM)是相干干扰机的关键部件,主要用作干扰信号源;讨论了幅度量化DRFM的工作原理与流程,给出了幅度量化DRFM的Simulink仿真模型建立与仿真实验研究的一般方法;在此基础上研究了多比特幅度量化DRFM的寄生信号性能与量化电平的关系,建立了多比特幅度量化DRFM的采样量化编码以及恢复的Simulink模型,并对多比特幅度量化DRFM的采样率与量化电平的关系进行了仿真实验,分析了实验结果,给出了结论,分析结果同时也表明了理论研究的正确性。
3.
Its characteristics and advantages are discussed on the basis of a comparison of this method with the classical DRFM based on amplitude quantization and phase quantizatio
通过将幅相量化DRFM与传统的幅度量化和相位量化DRFM的性能进行比较,分析其特点与优势。
3) amplitude quantizing
幅度量化
1.
A new method of DRFM useing amplitude-phase quantizing is presented, based on classical amplitude quantizing DRFM and phase quantizing DRFM.
在传统的幅度量化DRFM和相位量化DRFM的基础上，提出了一种基于幅相量化的数字储频系统。
5) amplitude quantization error
幅度量化误差
1.
The spectrum characteristics of the phase truncation error and amplitude quantization error are analyzed by the method of Fourier series.
介绍了直接数字频率合成技术以及分析其杂散误差,对相位截断误差和幅度量化误差进行了傅立叶级数分析研究。
6) quantized amplitude weights
量化幅度加权
补充资料：散杂
1.松散杂乱。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条