那艘帆船还是等在外面，在观察回答的信号究竟对不对，不久，它就静悄悄地驶近了，只见白朦朦的一片，象是一个幽灵似的，在离岸一箭路以外抛了锚。
The boat that now arrived, assured by the answering signal that all was well, soon came in sight, white and silent as a phantom, and cast anchor within a cable's length of shore.
白念珠菌(真菌)关闭绿脓杆菌(细菌)的感应信号，欺骗他们削减其军备生产之一——一种叫做绿脓菌素的反应性化学物质，它可以使真菌极其难受。
The yeast fires off signals that trick the bacterium into slashing production of one of its armaments - a reactive chemical called pyocyanin, which makes life particularly uncomfortable for the yeast.
在某些实际的场合，所得到的是被附加的白噪声污染的信号。
In some practical situations, the signal is corrupted by the additional white noise.
根据推导结果设计了一种从白噪声中检测周期性信号的算法。
We design the algorithm to detect periodic signal from white noise by the derivation.
在分析小波变换物理本质和奇异性检测原理的基础上，研究了小波基和白噪声对信号奇异性检测性能的影响。
Based on analyzing the physical essence and the principle of singularity detection, this paper discusses the effect of wavelet bases and white noise on signal singularity detection.
该方法还可以用于其它信号处理领域高斯白噪声的估计。
This method can also be used in other signal processing field to estimate white Gaussian noise.
伪随机噪声在数字信号处理中具有重要的实用价值，白噪声是产生具有指定概率分布的伪随机噪声的基础。
The pseudo-random data are widely applied in digital signal processing. White noise data is the basis of generating random data, which has the expected probability distribution.
右声道水印信号为幅度限制在可听门限的白噪声，用来控制检测门限。
Watermark signal of the right channel whose magnitude is limited below the audible threshold, is used to control the detection threshold.
该文提出了一种新的检测白噪声中微弱信号的方法。
To detect the weak signals buried in noises is a fundamental and important problem.
传统的信号检测和估计方法一般是建立在背景噪声是白噪声这一假设基础之上。
Traditional methods of signal detection and estimation were based on the assumption that the background noise is white.
实验结果表明，这种电路能产生典型的冲击干扰、白噪声以及在信号处理研究中很有实用价值的混和噪声。
The experimental results show that the circuit can generate typical impulse noise, white noise and mixed noise that has wide applying value in the study of signal processing.
本文介绍一种典型探测电路，并论述了在白噪声中探测脉冲信号时如何确定信噪比和鉴幅阈值。
This paper introduces a typical detecting circuit and discusses how to determine the SNR and the threshold of discrimination range when the laser pulse signals in the white noise are detected.
研究含有高斯白噪声的周期脉冲信号，通过阈值系统后的随机共振特性。
It is investigated that the characteristics of stochastic resonance of the periodic pulse signal added Gaussian white noise through a threshold system.
在输入模拟信号中加入白噪声，即抖动，可以降低量化噪声。
Dithering, which adds white noise to the input analog signals, may be used to reduce quantization noise.
通过双阈值系统中的随机共振特性，研究含有高斯白噪声的信号。
It is investigated the characteristics of stochastic resonance of the signal added Gaussian white noise in a bi-threshold system.
给出了该方案的OFDM系统仿真结果，验证了OFDM信号的白噪声特性和OFDM通信系统较强的抗频率选择性衰落特性。
Finally the simulating result is presented, which validates white noise characteristic of the OFDM signal and the characteristic of anti-attenuation of frequency-selected of OFDM communication system.
分别推导了分形信号和白噪声的小波系数统计量的公式，在此基础上用最大似然法进行参数估计。
We have derived the formulas for wavelet coefficients of the fractal signal and white noise separately on the basis of which the maximum likelihood method is used to estimate the fractal parameter.
首次研究白高斯噪声（AWGN）信道下超宽带无线电通信系统中单个数据包单元发射信号能量的优化。
In this paper, the optimization of the transmitted signal energy for a data packet unit in UWB radio communications in additive white Gaussian noise(AWGN) channel is firstly investigated.
白噪声反卷积问题在石油地震勘探、通信和信号处理领域有重要应用背景。
White noise deconvolution problem has important application backgrounds in oil seismic exploration, communication, and signal processing.
尤其针对采集信号中的白噪声随机干扰效果明显。
This method aims at the white noise and random disturb in collection signal especially and the effect is obvious.
序列信号可以模拟白噪声，广泛应用于扩频通信、数字加密、数字系统测试等领域。
The M-sequences signal can simulate the white noise, which has been widely applied in the fields of spread spectrum communication, digital cryptography, digital system test and so on.
在国内某电厂的300MW机组锅炉上，利用炉墙上的观火孔，分别用扫频信号、白噪声信号和正弦信号进行了冷态下的声学测温试验。
Experiment on acoustic pyrometry is done using the chirp signal, white noise and sine wave respectively in a 300MW boiler in one domestic power plant, through fire hole on furnace wall.
本文研究在白噪声输入情况下，时滞系统随机输出信号的线性滤波估计问题。
This paper considers a linear optimal estimation problem for a stochastic process viewed as the output signal of the time delay stochastic systems driven by a white noise input.
在仿真试验中，比较了给定功率阶跃扰动信号、白噪声信号及伪随机信号分别作为输入信号进行辨识的结果。
In simulation experiment, results of identifying models using step disturbance of given power signal, white noise signal, and pseudorandom signal as input signals have been compared.
根据信号的循环平稳特性，本文提出一种加性高斯白噪声信道中基于循环频率估计的PS K信号存在性检测算法。
A presence detection algorithm based on the estimation of cyclic frequency for Phase Shift-Keying (PSK) signals in additive white Gaussian noise (AWGN) is proposed in this paper.
采用白噪声信号作为标准声源的输入信号，在常温无气流条件下对消声器实物模型进行了静态放声试验。
After a white noise signal has been taken as the input of a standard sound source, a static acoustic test is conducted for a prototype silencer without air flow and at the normal temperature.
因此，利用简单混沌数学模型迭代产生的信号具有随机性，其统计特性类似白噪声。
So the signal generated by iteration of simple chaos mathematical model get the feature of randomness and owns the statistical characteristics similar to white noise.
因此，利用简单混沌数学模型迭代产生的信号具有随机性，其统计特性类似白噪声。
So the signal generated by iteration of simple chaos mathematical model get the feature of randomness and owns the statistical characteristics similar to white noise.
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