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- The SNRs of detected signal, interzone signal energy and the square of average interzone signal energy are compared. 如光纤泄漏检测法、负压波法、压力梯度法、实时模型法、质量平衡法、统计决策法、应力波法和声发射法“ 等等。
- S: 1 MEG demonstrated high redundancy in the original signal set. Most of the signal energy could be compressed in the first 30 principal components. 脑磁图信号有较高的冗余度,信号能量的绝大部分集中在前30个主成分中,从前30个主成分中抽取干扰源和诱发响应活动源。
- Signal energy is also lost when it leaks through the insulation of the cable and by impedance caused by defective connectors. 当它从缆线的绝缘漏出和因有缺陷的连接头所引起的阻抗，信号能量也会损失。
- A leak detection method with sequential energy percentage based on the square of average interzone signal energy is proposed. 这其中，负压波法由于只需要在管道两端安装压力变送器，因此具有施工量小、成本低、安装和维护方便的特点，得到了广泛应用。
- The main calculation of this toolkit music beat, along with the calculation music signal energy, pitch frequency and other functions. 这个工具包主要计算音乐拍子，里面还有计算音乐信号能量，基音频率等功能。
- The surface simplification is implemented through the control of maximum surface spacial frequency and minimum surface signal energy. 通过对目标表面的空间频率及信号能量进行控制，实现点采样表面的简化。
- For GIS with L-type and T-type structure, after the signal passing through these structures the signal energy attenuates remarkably. 对于L型及T型结构的GIS，在经过L型及T型结构后，信号能量衰减很大。
- Through signal processing, the necessity of moving average filter for SNR is demonstrated, and the method for characterizing leak signal with interzone signal energy is proposed. 不论从社会和经济的角度、还是从环保和能源节约的角度来考虑，管道泄漏的监测和定位都是非常必要的。管道泄漏检测技术发展至今，已经涌现出许多方法。
- By mapping a one-dimensional function of time(or frequency), the time-frequency representation can localize the signal energy in both the time and frequ ency directions. 通过对一个一维时间或频率信号进行变换，其时频表示能够在时间-频率平面上描述信号的能量分布。
- It is based on the observation that the signal energy of the transient voltage response to a given contingency rises asymptotically with the increasing power to its limit. 它的基础是认为在给定故障条件下,暂态电压响应的信号能量将随着功率增加而渐近增长,其渐近线对应于暂态稳定极限,从而建立信号能量与传输功率和稳定极限的解析函数关系。
- This algorithm utilizes the compactness property of signal energy on transform domain to reduce the searching range of codebook and speed up the quantization. 该算法利用图像信号在正交矢量空间中的能量集中性,有效地减小了码书的搜索范围,加快了矢量量化速度。
- The high time-frequency characteristic of wavelet packet analysis is utilized to decompose the vibration signal, and slag characteristic parameter is composed of signal energy in sub frequency bands. 首先，利用小波包分析的高时频分辨特性将振动信号分解到各个频带上，并以各频带信号的能量来构造用于下渣检测的特征参数。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
