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- Two cases of power spectral intensity function for the earthquake acceleration imput at the base rock are considered: the white noise spectrum and filter white noise spectrum. 计算结果表明,1)在基岩输入地震加速度的功率谱为白噪声谱的情况下,土层的最大期望反应均有别于过滤白噪声谱时的相应值;
- white noise spectrum 白噪声频谱
- W is a zero mean white noise source. W是一个零均值的白噪声源。
- White noise is a good masking agent. 白噪声是一种很好的掩蔽声。
- Spectrum analysis in output signal of bistable system can identify the frequency of weak sinusoidal signal concealed in the white noise. 对双稳态系统的输出信号作了频谱分析,辨识出了淹没在白噪声中的微弱正弦信号频率。
- In this paper, a power spectrum of discontinuous narrow band white noise is analysed, and an expression of the power spectrum is obtained. 对间断窄带白噪声的功率谱进行了分析,得到其功率谱的表达式。
- All I get is the white noise of refrigerators or fume hoods. 我只能听到冰箱和排风机发出的白噪声。
- Randomness in this case is modelled as a Gaussian white noise process. 模式中之随机性乃视为一高斯白噪音过程。
- However, the noise spectrum of the ash exhauster always centers at low frequency range. 排粉机噪声呈明显的低频特性。
- Another applied in filtering signal containing Gaussian white noise is computed directly by utilizing time-frequency spectrum of GST, which can enhance non-stationary signal and suppress noise. 后者直接应用广义S变换的时频谱实现,用于含高斯白噪声信号的滤波,达到了突出有效信号和压制噪声的效果。
- White noise on a radio receiver would interfere with all radio stations. 白噪音在无线电接收器将会干扰所有广播电台。
- Based on the calculation of intensity noise spectrum, comparative study of XPM and SRS induced crosstalk is performed analytically and numerically. 在计算强度噪声谱的基础上,研究了互相位调制和受激拉曼散射的相互耦合并用于密集波分复用系统的噪声分析。
- Noise that affects all transmission frequencies equally is called white noise. 杂讯同等地影响所有传输频率称为白噪音。
- At present,its main parameters are fundamental frequency,amplitude of vibration,perturbation(Jitter,Shimmer),noise spectrum(HNR,SNR,NNE),et al. 目前应用的主要参数有基频、振幅、微扰值(频率微扰、振幅微扰)、噪声谱(谐噪比、信噪比、标准化噪声能量)等。
- Self talk can also serve as " white noise," taking your mind off distracting stimuli7. 自言自语能起‘白噪音’的作用,使你不受外部影响分散注意。
- If you do not have time to socialize during the flight, invest in a good pair of headphones that have“ white noise. 如果你没有时间在飞机上进行一些交际活动,那就准备一份不错的有“白噪音”的耳机。
- We develop an auto-modulated scheme of a crucial parameter calculation by a noise spectrum estimation to ameliorate the issue of parameter setting in conventional adaptive threshold schemes. 本文针对传统语音活动侦测演算法中,需预先决定门槛值的方法作改良,并利用杂讯频谱自动计算于门槛值估测中所需之关键参数,改良过去演算法设定参数之方法。
- For example, many authors look at the signal they are able to measure and fail to note that the noise spectrum may provide information on fundamental processes that might limit detectability. 这是真正的气愤--审稿人会认为你在欺骗审稿过程,于是大斧来了。
- A wavelet threshold denoising algorithm is effective for denoising the white noise in image. 摘要小波阈值去噪算法是去除图像信号中白噪声的有效算法。
- Guinea pigs were exposed to either 110dB SPL white noise for 30min (ITS group )or 120 dB SPL for 150 nun (PTS group). 豚鼠分别暴露110dB SPL白噪声30min或120dB SPL白噪声150min。