spurious signal
英 [ˈspjʊəriəs ˈsɪɡnəl]
美 [ˈspjʊriəs ˈsɪɡnəl]
网络 伪信号; 杂散信号; 寄生信号; 乱真信号; 假信号
双语例句
- Without proper shielding of the switches, interconnecting cables, and test fixturing, spurious signals ( offsets) may be generated that will compromise the signal being measured.
若开关、互连电缆和测试夹具没有合适的屏蔽，所产生的杂散信号（偏移）将威胁到被测信号。 - Due to additive relative motion between ground jamming emitters and SAR, the spurious phase modulation of transmission signal is produced.
地面干扰发射机和SAR之间的附加相对运动，产生了传输发射信号的寄生相位调制。 - In pulse code modulation, a spurious signal formed from beats between the signal frequency and the sample frequency.
在脉冲编码调制中，信号频率和取样频率之间的差拍所引起的伪信号。 - In the UAV telemetry& control system, it is required that the numerical control oscillator ( NCO) having high frequency resolution and small spurious signal.
无人机的测控系统要求数控振荡器（NCO）的频率分辨率高、相位噪声低、杂散小。 - 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。 - Analysis of Spurious Signal in DDS
直接数字频率合成的杂散信号分析 - Spurious Signal Analysis of Amplitude and/ or Phase Quantization DRFM
幅度和相位量化数字储频寄生信号分析 - In the process of design, the structure feature of DDS and the distribution of spurious signal are considered. A 9th-order elliptic low-pass filter with cliffy cut-off character is adopted.
在设计过程中，考虑DDS的结构特点及其杂散信号的分布，采用了截止特性陡峭的9阶椭圆函数低通滤波器。 - This paper analyses the spurious signal generating by phase truncation in DDS, compares several methods of spur-reducing and provides results of computer simulations.
本文在分析相位截断误差的基础上，分析、比较了几种抑制相位截断杂散信号的方法并给出了仿真结果，从而为软件实现DDS提供了理论基础。 - Distinguish and Analyze Spurious and Distortion Signal
失真及杂散伪信号的鉴别和分析 - 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。 - For the study of these occasions, we can construct a circuit model of voltage controlled Buck converter coupling with spurious signal.
为了研究这种情况，可以构造包含耦合寄生干扰的电路模型。 - It introduces the principle and spurious performance of DDS. For practical use, it gives many kinds of signal generator with high performance.
本文介绍了DDS原理和杂散性能，并从实际应用出发，设计出高性能的多种信号源。 - The results show that a-C algorithm based on Newton iteration can eliminated the spurious higher-frequency vibration signal arose by experimental errors.
模拟结果表明：隐式算法α-C方法可以较好地消除因累积误差而激励的结构伪高频振动分量； - Analysis of Spurious Signal in DDS Due to the Phase Truncation
DDS的相位截断及相应的杂散信号分析 - Some principal error sources of delay between channels are discussed, including the signal frequency errors, the harmonic distortion of sampling serials, the noise and the spurious distortion, the jitter of the signal periods in sampling serials, the calculation errors of software and some others.
讨论了几个主要的不确定度来源，包括信号源误差、采集序列的谐波失真、噪声及非谐波失真、抖动、软件拟合运算误差等。 - The circuit principle of a adjacent channel TV modulator which processed by RF is analysed, and the spurious out-of-band component suppression technology and the appliance of SAWF, which fit to adjacent channel TV signal transmitting, are expounded.
分析了一种射频处理邻频电视调制器的电路原理，阐述了为满足邻频电视信号传输要求而采取的带外寄生分量抑制技术及SAWF的应用。 - 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。 - Based on the spectrum analysis, except for some spurious sources because of phase truncation and amplitude truncation in theoretical analysis, spurs come from the DDS, and the beat frequency of the output signal, its harmonics and clock leakage.
通过对DDS实际频谱曲线的分析，发现产生了在理论分析中相位截断误差及幅度量化误差产生的杂散之外的其它杂散来源，特别是时钟泄露与输出信号及它的谐波的差拍产生的杂散。 - Currently the essential limitation factor of the DDS is the poor performance of the spurious suppression especially in the condition that bandwidth of the output signal is wide.
目前，制约DDS应用的最大因素是其杂散抑制特性差，特别是在输出信号带宽较宽的情况下更是如此。