查询词典 signals

We proposed a scheme that processes the discrete time signals by two-pass filter and digital integrator.Thirdly, we study the energy operator systematically and successfully use it in two important diagnosis methods (resonance demodulation and spike energy) as an envelope algorithm.

最后，系统研究了能量算子方法，将其作为一种包络算法应用于共振解调和尖峰能量法两种重要的故障诊断方法之中，其中用能量算子方法成功取代了gSE法中的峰峰值检波电路。

Based on the energy operator Teager of the wavelet coefficients,the energy of the decomposed magnetic memory signals was increased.Using the signal singularity detection theory of the wavelet transform,combining the observation on the multidimensional transform results and the in Russia patented technique,the selfadaptive wavelet noise suppression of the signal was realized and the characteristic gradient of the magnetic memory was extracted.

基于小波系数的"Teager"能量算子，增强了分解后的磁记忆信号能量；从小波变换的信号奇异性检测理论出发，把多尺度变换结果观测与俄罗斯专利技术相结合，能准确判断异常应力集中区，实现了信号自适应小波消噪，提取了磁记忆的特征量梯度。

First, we divide the input signal into four non-uniform subbands via discrete wavelet transform. In addition, a nonlinear Teager energy operator is then utilized into each subband signals. We show that the TEO can decrease the influence of noise on subbands significantly. Besides, the other advantage is suitable for the result of subband auto-correlation function.

首先，离散小波转换将输入讯号分成四个不均匀大小的子频带，而在每个子频带上采用一种非线性的Teager能量运算(Teager Energy Operator， TEO)以有效抑制噪音在各子频带的影响，而另一优点就是有助於子频带自我相关函示(spectral auto-correlation function， SACF)之结果。

It has also been alleged that the HAARP, or "High Altitude Active Auroral Research Project", which can use the ionosphere as a giant antenna for broadcasting signals, may be used to entrain various mind/body states in large areas of the planet.

也有人指称haarp ，或"高频率活跃极光研究计划"，可利用电离层作为一个广播信号巨型天线，可用于在地球的大范围诱导大脑/身体状态。

This use of electromagnetic signals to induce a mind/body state on a target is called brain entrainment.

使用电磁波信号诱导一个目标者的精神/身体状态被称为"大脑诱导作用"。

The optimal parameters of this subsystem can be gotten by computer computation. The Raman scattering signals can be splitted when entrance angle is about 36o and separation angles of every two prisms are about 106o.

应用计算机对分光系统进行了模拟计算，以实现分光系统参数的最佳匹配：在入射角约为36o，棱镜间的夹角约为106o时，该分光系统可完全分开O2、N2、H2O拉曼信号。

Using 3-channel bipolar ECG signals simultaneously recorded from different positions of ventricular epicardium, the inversion of VF dynamical model is explored.

利用从心室肌表面不同位置同时记录到的三通道双极性电信号反演VF动力学模型。

After analyzing the characteristic of the rigid plane motion and the shortcomings of classical digital image correlation algorithms, the phase-angle position of the rigid body in the 2D image was characterized by 1D sequence signals using the method of equiangular sampling feature extraction based on circle windows. Then the generalized correlation algorithm for estimation of time delay based on wavelet transform was used to acquire the angular displacement. Finally the ultrasonic radiation force acted on the micro-component was determined by the relation between force and motion.

在研究检测对象刚体平面运动特点和分析传统数字图像相关算法局限性的基础上，采用基于圆周窗口等分角采样的特征提取方法，将二维图像中刚体的相角位置信息表征为一维采样时序信号，并通过基于小波变换的广义相关算法来估计位移前后特征序列的时延，得到刚体的旋转角位移，从而利用力与运动量的相互关系确定出作用于微构件的超声辐射力。

During the sessions, torque and position signals on the ergometer were recorded bilaterally and 6 clinical tests were performed.

用肌电值记录患侧屈伸肌肉收缩变化情况。我们运用SIAS 评价表，MMT及Asworth 评定和关节活动度评定。

The flux imbalance of the output transformer is induced by the accumulation of the truncation error, and the digital control algorithm is modified with real time bias correction signals.

研究并解决数字控制的时间量化和数值量化对基于数字信号处理器的逆变电源系统性能的不良影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。