Amplitude-quantization spurs in direct digital frequency synthesizers in absence of phase truncation;
无相位截断情况下DDS的幅度量化杂散特性分析
Analysis and Design of the Spurs in the Multiple-loop Small Step Size Synthesizer;
多环小步进频综杂散分析与设计
The spur for traditional compensationless and ΣΔ modulated fractional-N frequency synthesizers was analyzed theoretically to make the spur components more explicit.
杂散是影响分数N频率综合器性能的重要指标。
Then,a new DDS structure for eliminating spurious signal caused by phase truncation error is introduced.
分析了直接数字频率合成技术(Direct Digital Synthesizer,DDS)的工作原理及其频谱特点,在此基础上介绍一种可降低相位截断误差引起的杂散的DDS新结构,并给出MATLAB对设计方法进行仿真的结果。
Precise Analysis of the Spurious Spectrum of DDS in the Presence of Phase Truncation;
直接数字频率合成器相位截断杂散谱的精确分析
The Influence of DDS Spurious Effects on Stepped-Frequency Radar s Performance;
定性分析DDS杂散对步进频率雷达性能的影响
During RF and microwave measurement, especially spurious signal spectrum test, some spurious signal maybe caused bythe spectrum analyzer itself, and displayed on the screen.
在射频和微波测试中,特别是杂散信号频谱测量过程中,由于测试系统及频谱仪自身原因可能产生伪信号,即频谱仪读出不属于被测设备发出的信号,本文主要阐述此类信号产生原因及判别方法。
This paper introduces a frequency source with low phase-noise and low spurs and the performance of the system.
本文介绍了一种低相噪低杂散频率源的设计方法，并给出了最终测试所得的系统性能指标。
This paper illuminates theory, structure, spectrum distribution, merits and defects, especially spurs of Direct Digital Synthesis(DDS), and it then introduces Phase Locked Loop (PLL) theory.
对DDS的结构、优缺点、频谱分布，特别是杂散性能进行了详细的阐述。
Simulating first order stray light of FY-2 VISSR using templates;
基于模板的FY-2一级杂散光模拟
Data structure of stray light analysis in systems including diffraction components and ghosts analysis;
衍射光学元件杂散光分析的数据结构及鬼像分析
Detecting the sensitivity and stray light of spectrophotometer;
分光光度计灵敏度、杂散光的测定
Corrosion reasons of stray current during metal anode electrolyzers running;
金属阳极电解槽运行中杂散电流的腐蚀原因
Research on distribution rule of the stray current in the pits;
煤矿井下杂散电流分布规律的研究
Design of reducing corrosion to electrolysis system by reduction in stray current;
电解系统降低杂散电流腐蚀的设计