modulation noise
英 [ˌmɒdjʊˈleɪʃən nɔɪz]
美 [ˌmɑdʒəˈleɪʃən nɔɪz]
网络 调变噪音; 调变噪讯; 调制噪声
双语例句
- The Polarization of Reflected Light and Refracted Light and the Amount of the Polarization; Effects of time period modulation of the noise correlation intensity and bias signal modulation of the noise on stochastic resonance of a single-mode laser
反射光及折射光的偏振状态和偏振度偏置信号调制下噪声关联的周期调制对单模激光随机共振的影响 - Subsets of noise are AC power-related hum and buzz, electronic crackling, vinyl record clicks and pops, between-station radio noises, tape modulation noise, and the triboelectric cable effect.
噪音可分为交流电源产生的嗡嗡声、电器开关弹开声、塑胶磁带咔哒声、台间无线电噪音、调制磁带时的噪音、摩擦电效应噪音等几个不同的组。 - Frequency modulation noise level on carrier
载波的调频噪声电平 - Our fifth concern is with modulation noise.
我们要讨论的第五个问题是调制噪声。 - You're unlikely to notice tape modulation noise outside of a recording studio because it's specific to analog tape recorders, which are fast becoming obsolete, and usually hidden by the music itself.
录音室外的人不大可能听到调制磁带时的噪音，这种噪音是那些很快就过了时的模拟式录音机所特有的，并且这些噪音常常被磁带内容所掩盖。 - A loss-noise model of single-mode laser driven by coloured pump noise with single modulation and the quantum noise with cross-correlation between real and imaginary parts are used to describe a single-mode laser system.
应用信号调制色泵噪声和实虚部间关联量子噪声驱动的单模激光损失模型描述了单模激光系统。 - The experimental results prove that this technique is one of the best modulation techniques of narrow noise, and that this technique may be conveniently applied to engineering.
经过试验证明，该技术是一种最佳的窄带噪声调制技术，并且可以方便地实现工程化。 - Study on phase modulation for interferometric noise suppression in optical fiber CATV transmission system
光纤CATV中调相法抑制相位干涉噪声的研究 - Circuit modeling of quantum well semiconductor lasers for modulation response and noise
量子阱半导体激光器调制特性和噪声的电路模拟 - Respond of petroleum log data to modulation noise
石油测井数据对调制噪声的响应 - In this paper, we describe how thde modulation signal to noise ratio ( SNR) affects the measurement accuracy of sinusoidal phase modulating ( SPM) interferometer.
本文讨论了调制信噪比是如何影响正弦位相调制（SPM）干涉仪精度的。 - The modulation of discontinuous noise in digital communication by Cantor Muster is summarized and the error code rate is primary discussed.
系统地介绍了Cantor集对于数字通信中间断性噪声干扰的模拟，并对误码率问题进行了探讨。 - A method of automatic detection of line-spectrum in DEMON ( Detection of Envelope Modulation on Noise) spectra is given.
给出了一种自动检测解调谱线谱的方法。 - This paper mainly analyzes some effective factors on the transmission capacity of WDM systems, such as optical fiber dispersions, the pulse with original chirps, the phase modulation noise of lasers, optical fiber dispersion with non linear effects.
本文主要分析光纤色散以及有初始啁啾的脉冲、激光器的相位调制噪声、有非线性效应时光纤色散对WDM系统传输容量的影响。 - Application of modulation noise to data acquisition of petroleum logging
调制噪声在石油测井数据采集中的应用 - Measures to reduce the birefringence modulation noise are discussed.
最后，根据这些结果，对消除双折射调制噪声对系统性能影响的方法进行了讨论。 - According to equivalent external cavity approximation model, the influence of external cavity length on characteristics of optical fiber Bragg grating external cavity semiconductor laser ( FBG-ECL) such as modulation response, intensity noise and linewidth is discussed.
根据光纤光栅外腔半导体激光器（FBG-ECL）的等效腔模型，讨论了外腔长度对FBG-ECL的调制特性、线宽以及强度噪声的影响。 - Detection of Envelope Modulation on Noise of Passive Sonar Signal Based on Wavelet Analysis
基于小波分析的被动声纳信号宽带噪声包络调制分析 - The arithmetic formulas for sine wave, linear frequency modulation signal, V-style frequency modulation signal, white noise signal, reverberation signal and echo signal are given by their definition.
根据信号类型的定义，给出了正弦信号、线性调频信号、V型调频信号、白噪声、混响和回波信号的合成公式。 - This paper discuss the types of active noise jamming and the feature of radio noise jamming, noise amplitude modulation jamming, noise frequency modulation jamming. The influence of active noise jamming on digital receiver performance is also illustrated.
讨论了有源噪声干扰信号的形式，压制性有源干扰中射频噪声干扰、噪声调幅干扰和噪声调频干扰的主要特性，以及有源噪声干扰对数字接收系统的性能影响。 - This paper presents computer simulation models of amplitude modulation ( AM) noise of radar transmitter leakage and phase modulation ( PM) noise of clutter in main lobe, it gives a analysis of the effect of LO AM/ PM noise to the capability of radar detector.
分析了本振调相、调幅噪声对相参雷达系统探测性能的影响，给出了主杂波环境下雷达发射机调相噪声以及发射机泄漏的调幅噪声的数字仿真模型。 - First, we use wavelet transform to extract the dynamic modulation of radiated noise, then a FFT transform of fourth-order cumulants 'diagonal slices is used to analyze harmonic features of this process.
首先利用子波变换提取辐射噪声的动态调制分量，然后应用四阶累量对角切片的傅立叶变换（21/2维谱）分析该动态调制的谐波特性。 - Its effectiveness in extracting pulse signal with linear frequency modulation from noise has been verified by a simulation example. For EW application, this technique will improve the sensitivity of receiver by 7dB~ 10dB.
经仿真验证，该技术可以从被噪声湮没的数据中有效地提取出压缩后的脉冲信号，如果将其用于电子战侦察接收机，可以将线性调频脉冲信号的灵敏度提高近7dB～10dB。 - Residual Amplitude Modulation Noise Limitation in Voltage Modulation Spectroscopy
电压调制光谱中的残余幅度噪声的研究 - The factors that influence the performance of the amplitude modulated broad-band signal detection are analyzed by deriving a formula for the output signal to noise ratio of DEMON ( Detection of Envelope Modulation on Noise) processing.
通过推导宽带解调处理的输出信噪比公式，系统地分析了影响幅度调制的宽带信号检测的各种因素。 - An application to identify digital modulation signals from noise is presented, the identification performance can be improved by this algorithm.
并给出了该算法的一个应用实例&从噪声中识别数字调制信号，能够对ASK、FSK、PSK等信号的调制类型进行识别，改善了信号识别的性能。 - Simulation results have proved the conclusion. ( 4) A parasitic amplitude modulation and phase noise effects on radar performances are analyzed and discussed.
研究了寄生调幅和相位噪声的影响。 - Least-square characteristic of noise modulation was studied, so knowing its parameter estimation was biased parameter estimation. Modulation noise was processed by the generalized noise model, then we propose modulation generalized least squares algorithm to get the unbiased estimation of system. 3.
研究其噪声的调制最小二乘特性，知其参数估计是有偏参数估计，利用广义噪声模型处理调制噪声，提出调制广义最小二乘算法获得了系统参数的无偏估计。 - The phenomenon of random mode hopping debases the stability of ultra-narrow line-width erbium-doped fiber ring laser ( UNLW-EDFRL), which restricts the practical application of the light source with advantages of high coherence, fast modulation and low noise.
随机跳模现象降低了超窄线宽掺铒光纤环形腔激光器（UNLW-EDFRL）的稳定性，从而制约着这一具有高相干、快速调谐及低噪声等优良特性的光源进一步走向实用。