spurious noise
英 [ˈspjʊəriəs nɔɪz]
美 [ˈspjʊriəs nɔɪz]
网络 寄生噪声; 杂散噪声
双语例句
- Eliminate spurious errors and other "noise" in the logs
消除日志中虚假的错误和其他干扰信息 - Shielding is required because high impedance circuitry is susceptible to pickup of spurious radiated noise.
由于高阻电路容易拾取杂散的辐射噪声，所以需要采取屏蔽措施。 - This paper fully analysed the noise sources, mainly discussed two extra sources – Spurious Charge and Excess Noise Factor, and calculated the SNR of EMCCD.
详细分析了其噪声来源，重点讨论EMCCD相比普通科学级CCD特有的乱真电荷和噪声因子，计算信噪比。 - It is defined as the difference in dB between receiver noise and the level of two equal spurious signals whose intermodulation products are equal to the receiver noise.
无杂散动态范围被定义为用dB表示的，接收机噪声和两个相等杂散信号的电平的差，这两个杂散信号的互调产物与接收机噪声相等。 - Signal Filter: Signal filters can be useful in a number of circumstances, such as when spurious noise is inadvertently added to the signal as it travels through the switch.
信号滤波：在许多的环境下，信号滤波是非常有用的，例如当信号通过开关时会加入寄生噪声时。 - A fast agile frequency synthesis source of low spurious and low phase noise is presented in the article.
文中介绍一种低杂散、低相噪、快速捷变频频综源的实现途径。 - By use of the spectral analysis technique, the transverse sensitivity and the unsteady frequency or the spurious frequency of the geophones can be exactly determined from the geophone noise.
利用谱分析技术可以准确地从检波器噪声中检测出检波器的横向灵敏度和失稳频率，即检波器假频。 - This paper introduces a DTMF software synthesizer based on DDS and its implementation and analyzes the effect of phase noise, spurious noise and phase truncation error on output wave form.
介绍了一种基于DDS的DTMF软件合成器之工作原理及其实现，分析了时钟相位噪声、杂散噪声、相位截断误差对输出波形的影响。 - An Improved Direct Digital Synthesizer with Reduced Spurious Noise
一种减少杂散的直接数字频率合成器改进结构 - Realization of Computational DDS and Its Spurious Noise Performance Analysis
噪声的危害与控制计算法DDS的实现及杂散性能分析 - This paper introduces the component and the operation principle of the jammer using DRFM, and analyzes the emergence of frequency spot error and spurious signal, and their influence on the jamming noise.
介绍了DRFM干扰机的组成和工作原理，并分析了瞄频误差和寄生信号的产生以及它们对干扰噪声的影响。 - The scheme of external clock frequency multiplying and measures for preventing clock leakage are adopted in DDS signal generator, thus featuring better spurious and noise characteristic.
该设计在DDS信号产生部分运用外部时钟倍乘方式和防止时钟泄漏等措施，获得了更好的杂散与噪声特性； - Distortion in digital phase/ frequency detectors is one of the main factor in causing instability, spurious signals, and excessive phase noise in phaselocked loops ( PLLS).
数字式鉴相器的相位失真是导致产生寄生信号和额外相位噪声并使锁相环路不稳定的主要因素之一。 - The simulation results show that the sample-and-hold element can greatly reduce phase noise and spurious noise in the loop.
仿真结果表明，使用采样保持单元后可以显著降低环路中的相位噪声和杂散噪声。 - The paper presents a fast agile frequency synthesizer of low spurious, low phase noise.
系统地介绍了一种低杂散、低相位噪声、快速捷变频频率合成器的实现途径。 - As we know, spurious noise of a DDS resulted from phase truncation degrades its spectral characteristics.
由于相位舍位会导致直接数字频率合成器（DDS）的输出产生杂散，使其频谱特性恶化。 - In this paper, the parameters of the stepped-frequency synthesizer which will affect the radar performance are analyzed, including the amplitude fluctuation, frequency error, spurious signal level, phase noise, frequency switching time and the phase difference of the transmit-receive signal.
本文分别对频率源的幅度波动、频率误差、杂波电平、相位噪声、频率切换时间以及收发相位差等参数对雷达系统的影响进行了量化分析。 - Spurious and phase noise, determines the system of the choice of performance and sensitivity, small-step increases the channel capacity, has always been the focus of the design and difficulty.
杂散，相位噪声决定了系统的选择性能和灵敏度，小步进增大了信道的容量，一直以来都是设计的重点和难点。 - This paper provides frequency synthesizer based on the research and analysis of the low spurious suppression and low phase noise.
本论文正是基于低杂散和低相位噪声对捷变频频率合成器技术进行了研究和分析。 - Direct digital frequency synthesis have low output frequency limit, large in-band spurious, but has such advantages as fast frequency switching speed, high frequency resolution and low phase noise.
直接数字频率合成技术输出频率上限低，带内杂散大，但是具备频率切换速度快，高频率分辨率及相位噪声低等优点。 - The test signal output is analysis for its accuracy, spurious and noise.
针对测试的信号输出，作者对信号的精确度、杂散、噪声进行了分析，并在探讨影响测量精度的原因后进行了适当的电路改进。 - Bearing this in mind, first this article discusses the Delta-Sigma theory thoroughly, does model simulation of phase noise and spurious performance in ADS, analyses the influence of loop bandwidth, and discusses the contradiction between optimizing phase noise and improving fractional-N frequency spurious.
针对这一点，本文首先对Delta-Sigma理论进行了深入探究和讨论，并分析了环路带宽的影响以及相位噪声的优化与改善小数分频的杂散之间的矛盾。