用数值方法研究了双稳随机动力系统的信号调制噪声效应。
We study numerically the effect of signal modulating noise in bistable stochastic dynamical systems.
研究了由乘性和加性噪声的线性组合作为调制噪声的线性系统的随机共振。
The technique of orthogonal narrowband noise modulation is based upon the classical formula of narrowband random signal.
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。
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...
正则表达式是使用各种构件构建的复杂模式规范，并且随着模式变得越来越复杂，它看起来就像是调制解调器的线路噪声。
Regular expressions are complex pattern specifications built using building blocks that end up looking more like modem line noise as the pattern gets more complex.
在强噪声背景下，针对BPSK调制信号，提出了一种新的频率估计技术。
A new frequency estimation technique for BPSK modulation signals embedded in strong noise is proposed.
结果表明，该方法用于噪声中调制信息检测是一种有效的手段。
The result indicates that the method is an effective way to extract the modulated information from radiated noise.
随机二相码调相PD（脉冲多普勒）引信，是一种较为新颖的噪声调制引信体制。
The random binary phase code phasing PD fuze is a novel modulated system of noise.
本文回顾了已知的正交场放大管（CFA）噪声性能的实际测量数据，并且讨论了脉冲调制的CFA在脉冲多普勒雷达中的有用特性。
The known actual measured noise characteristic data of CFAs are reviewed, and the usefulness of pulse-modulated CFAs in pulsed Doppler radars are discussed in this paper.
利用谱相关函数的这些性质可以识别出噪声中的调制信号。
These characteristics of spectral correlation can be used to classify modulated signals, even when the signals are buried in noise.
在调制信号前采用数据预编码，对接收信号进行相应译码，以消除信道中噪声引起的差错传播。
Error propagation caused by noise can be avoided by precoding the data at the transmitter prior to modulation and decoding operation of received signals.
在多媒体信号处理中，由于量化误差是输入信号的函数，使得语音信号产生信号失真和噪声调制。
In multimedia signal processing, quantization error is a function of input signal and it results in the audible distortion and noise modulation in the audio signals.
在解调型应答机中，解调的基带信号和伴随的噪声一起再调制和转发。
In demodulation type transponder the demodulated baseband signal accompanied by noise is used for further modulation and retransmission.
但HFC网络中同轴电缆网络上行信道中存在的噪声漏斗效应限制了上行信道调制技术的选择。
But the existence of noise funneling in the return path of cable network in HFC system restricts the selection of modulation techniques for the return path.
讨论了一种从辐射噪声中提取调制信息的联合方法。
A method for extracting modulated information from radiated noise was discussed.
同时加入了一种噪声调制以解决距离模糊和同类系统相互干扰，并加以建模分析。
While a noise modulation module used for canceling range ambiguity and mutual interference was proposed, modeled and analyzed.
结果表明，数字调制具有分辨率高、全数字化可编程、相位噪声低等特点。
The results show that digital modulation is with high resolution, total digitalization programmable, and low phase noise etc.
这使复杂的调制要建立如噪声叠加。
This permits complex modulations to be created such as noise superimposition.
随机脉宽调制技术可以使逆变器输出电压的谐波成分均匀地分布在一个较宽的频率范围内，达到抑制噪声和机械振动的目的。
Random pulse width modulation technique can be used to distribute voltage harmonics over a wide frequency range and to realize the reduction of acoustic noise and vibration.
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。
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.
同时还研究了在加性高斯白噪声(AWGN)信道中，跳时扩频脉位调制(TH PPM)的UWB系统中使用该窄脉冲的系统性能。
The performance of time hopping pulse position modulation (TH-PPM) UWB system using this wavelet monocycle was studied under additive white Gaussian noise (AWGN) channel.
载波相位噪声对QPS K调制解调的影响是不可忽略的，也是难以分析的。
The effect on modulation and demodulation of QPSK via carrier phase noise can not be ignored, and it is difficult to analyze.
实际干涉计量中各种干扰因素的存在，使得包裹相位图中可能存在噪声、低调制点或散斑等误差点。
Many factors, such as noise, speckles and low modulation in wrapped phase make the unwrapping procedure complicated and path-dependent.
本文提出了抑制大气噪声的强度调制激光束探测法。
In this paper, the soundex using laser bean modulated in intensity is advanced to suppress the atmospheric noise.
从气动声学理论出发，探讨了贯流式风机气动噪声机理及不等节距叶片频率调制降噪的机理。
Based on the theory of airacoutics, the mechanism of denoising of cross_flow fan and the modulation of unequal spaced blades is discussed.
本文以一类高斯型混合非高斯噪声双模噪声为背景噪声，详细分析了二进制数字调制系统的抗噪声性能。
The noise performance in binary digital modulation system is analysed in the presence of gaussian hybrid additive white bimodal noise.
首先讨论了舰船辐射噪声的产生机理、构成和频率特性，指出螺旋桨噪声的振幅存在周期性调制。
First, the generation mechanism, components and frequency characteristic of radiated noise of naval ships are studied. There exists periodical modulation for the amplitude of propeller noise.
根据GPS信号的结构和调制特点，加上环境噪声，模拟出GPS中频数字信号。
According to GPS signal structure and modulation characteristics, a GPS intermediate frequency digital signal is simulated under the condition of noise environment.
根据调制解调的频谱转移特性，提出了有效位移噪声是高斯窄带噪声。
According to frequency spectrum transfer characteristic of modulation and demodulation, we think the position measurement noise is Gaussian narrowband noise.
根据调制解调的频谱转移特性，提出了有效位移噪声是高斯窄带噪声。
According to frequency spectrum transfer characteristic of modulation and demodulation, we think the position measurement noise is Gaussian narrowband noise.
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