| 1. | Effect of shensuyin on the expression of toll - like receptors and the downstream signaling components on raw 264 . 7 cells 样受体及其下游信号转导通路的影响 |
| 2. | Voice communications is highly sensitive to delays or irregularities in the transmission of voice signal components 话音通信是高度敏感的延误或违规传送声音信号元件 |
| 3. | Wavelet transform has the ability of denoting local signal characteristics , so it is fit to analyzing instantaneous and fantastic phenomena and can lay out signal components 小波变换具有表征信号局部特征的能力,适于分析信号中的瞬态和奇异现象,并可展示其成份。 |
| 4. | The scientists concluded : the study indicates that during laboratory exposure to 884 mhz wireless signals components of sleep believed to be important for recovery from daily wear and tear are adversely affected 研究人员得出结论: “该研究表明,当研究对象受到实验室884兆赫无线信号的辐射后,对恢复白天损伤十分重要的睡眠结构便受到了不利的影响。 ” |
| 5. | Cross - components suppression is always the intractability in the studies of tfd and the difficulty in signal processing we should overcome . on the other hand , the cross - components have much information of two ( or more ) signal components , so it is suitable for signal detection 因此,抑制交叉项一直是时频分析研究领域一个十分棘手的问题,同时也是时频分析得以更广泛应用于各信号处理领域所要克服的网难之一。 |
| 6. | For those biological signals like echo of bat or whale , as well as man - made system signals like radar or sonar signal , the instantaneous frequency of signal component contains important information and could be used for signal model parameters extraction . so that the proper choose of transformed domain and signal characteristic extraction method is of crucial important . the ridge extraction method used for signal characterization was first proposed in the 1990s , it ' s based on the study of the phase of the wavelet ( or other linear ) transform 对于许多实际的信号,如蝙蝠发出的超声波、鲸鱼的叫声等生物信号,以及雷达、声呐等人造系统产生的信号而言,信号瞬时频率的变化规律反映了信号重要的特征,并且也是信号模型中关键的参数,因此选择合适的变换域提取信号的瞬时频率信息,并选择合适的方法对信号进行重建是很重要的问题。 |
| 7. | The glint suppression using high resolution range profile under conical angle measurement is studied , the angle information in signal components of scatters are extracted and averaged to suppress the glint . nonlinear kalman filtering methods under near spherical coordinate are analyzed and used to get more accurate tracking 研究了圆锥扫描测角体制下基于距离高分辨的角闪烁抑制方法,利用距离维高分辨像,提取强散射中心反射信号分量,在此基础上估计出各个强散射中心的角度测量值,采用平均方法减少角闪烁对测角的影响。 |
| 8. | But it is not suitable for online implementation or for tracking signal components with characteristic that change with time , a new modified algorithm is present based on the adaptive short - time kernel . simulations show that adaptive short - time kernel time - frequency distribution has better performance than anyother time - frequency distribution not only in the time - frequency resolution but also in the cross - components suppression 通过对仿真信号计算其自适应短时高斯核时频分布,仿真结果表明,无论从改善信号的时频分辨率还是抑制交叉项方面,自适应短时核时频分布均表现出了较好的特性。 |