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- Simulation result shows that by the method useful signal can be gotten primely from the noise background that is similar to the measured signal. 仿真结果表明利用这种方法能在和被测对象相似的噪声背景中很好地提取有用信号。
- The method of nonlinear wavelet threshold denoising can estimate the useful signal from the noisy so as to improve the resolving power and signal-to-noise ratio. 用非线性小波阈值的方法去除噪声，使有用信号能从噪声中检测出来，提高信号的分辨率、信噪比。
- Wavelet analysis bas become a useful signal time-frequent tool after Fourier transform, it also has time-frequent localizing and multi-resolution analysis ability. 小波分析是继傅立叶变换之后又一个实用的信号时频分析方法,具有时频局部化能力和多分辨分析能力。
- US Signals Flexibility With Moscow on Missile Defense. 美在导弹防御问题上显示灵活性。
- The job of a stockmarket is to provide useful signals to help allocate capital. 股市的职责是提供有用的信号，以帮助配置资本。
- Wavelet transfer (WT) is a powerful technique in signal separation.It is very easy for WT to separate random noise from useful signals, and to increase signal to noise ratio. 小波变换具有很强的信号分离能力，很容易把随机噪音从信号中分离出来，从而提高信号的信噪比。
- Simulation results show that the methods based on wavelet transform is practicable for getting usefulness signal, setting out noise and break signal. 仿真结果表明，基于小波变换的消噪方法是一种提取有用信号、展示噪声和突变信号的实用方法。
- Not only expected useful signals, butbackground noise, room reverberant and far-end echoes are included in acquiredsignals. 在被采集到的信号中不仅含有我们希望得到的有用信号,还包含了背景噪声,室内混响,以及远端回声。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- Multi-fold technology is widely applied in seismic exploration as a method of enhancing useful signals and suppressing noise interference to greatly increase the signal to noise ratio (S/N). 多次覆盖技术作为一种增强信号、压制干扰的方法,广泛用于地震勘探工作中,可以大大提高有用信号的信噪比。
- The interference by 50-Hz noise arising from the power supply cables is common in PC-based application system, often considerably affecting the detection of useful signals. 工频干扰是各类基于PC应用系统中最常见的一种干扰信号,对有用信号的检测起着极大的妨碍作用。
- Will you partake of a drink with us? 和我们一同喝一杯好吗？
- He cut off a bunch of grapes to entertain us. 他剪下一串葡萄招待我们。
- It irks us to wait for people who are late. 等候迟到的人使我们厌烦。
- She made us all laugh with her zany tricks. 她那些滑稽的恶作剧逗得我们都大笑起来。
- The bandits subject us to all sort of indignity. 强盗们对我们加以各种侮辱。
- Kindly send us two samples of each class quote for. 报价时，请对每一个等级的各寄两个样品。
- One of the fishing boats sank down astern of us. 有一艘渔船在我们后面沉没了。
- Each of the components is useful in its degree. 每一个元件都各有程度不同的用处。
- His years of study were useful in his job. 他多年的学习有助于他的工作。
