Chinese translation for "分量信号"
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- component signal
Related Translations:
光谱分量: spectral components 物理分量: physical components 方位分量: direction component 射频分量: radio frequency component 向量分量: component of a vectorvector component 水平分量: component, horizontalhorizontal component
- Example Sentences:
| 1. | When the echoes have multi - components there are much cross - components in the time - frequency distribution ( tfd ) , so it is not suitable for the feature extraction of the echoes
当回波信号为多分量信号时，时频分布中含有大量的交叉项。交叉项的存在，一方面对信号处理的结果产生干扰，不利于回波信号的特征提取。 | | 2. | The main work and originality in this paper can be summarized as below : 1 . studies on the cross - components in the wigner - ville distribution of multi - component signals . we present adaptive gaussian kernel time - frequency distribution according to the feature of cross - components in the ambiguity domain
系统的研究了多分量信号wigner - ville分布中的交叉项，根据交叉项在模糊域的特点，提出了基于信号的自适应高斯核时频分布。 | | 3. | Then a pulse compression system based on frequency - domain means is presented . finally , after discussing time - frequency analysis theory in general , wigner - ville distribution for lfm signals are presented , the effect of matching filtering and doppler shift are demonstrated . the cross item appearing in the condition of multi - component is investigated also
最后在简要介绍了时频分析的基本概念后，采用wigner - ville分布对线性调频信号作了仿真分析，讨论了匹配滤波的过程和多普勒频移的影响，对多分量信号时出现的交叉项问题作了探讨。 | | 4. | Some of them have set about this work . this article discusses the principles of digital tv studio technology according to the present situation and developing tendency of current tv systems , including the features of digital studio , the coding standards of digital signal , the compressing technology of video and audio signals and the utilization of computers multimedia technology in editing tv programs . it elaborates the designing methods , principles and puts forward several concrete disposition examples
本文仅根据目前高校电视节目制作系统的发展现状及趋势着重论述了数字电视中心的技术原理，包括数字演播室的特点、数字分量信号的编码标准、视音频信号的压缩技术以及计算机多媒体技术在电视节目制作中的应用等内容，阐述了高校电视节目制作系统数字化的设计思路及设计原则，提出了具体的设备配置方案。 | | 5. | Based on the method , this dissertation deals with several kinds of signals including cosine wave ( cw ) , linear frequency modulated ( lfm ) and multi - component signal , furthermore the systematic comparison of estimation effect among cwt and several other usual methods as well cramer - rao bound ( crb ) is given
基于上述方法，文中分别对单频矩形脉冲信号、线性调频脉冲信号以及多分量信号进行了瞬时频率估计，并与其他几种常用瞬时频率估计方法的性能以及crb进行了系统比较。 | | 6. | During the instantaneous frequency estimation of lfm , there exists some error in the edge , so in the dissertation , a fitting method is proposed to modify it . from the computer simulation , the following result is obtained : for cw , the method based on cwt is most effective , and with the snr rising , the error curve of it is more and more closer to crb . for lfm , the method based on wvd gives the best result , and the effects of cwt and stft are similar for multi - component signal , compared to stft and wvd , cwt is a better choice
通过仿真发现，在单频回波的瞬时频率估计中，基于cwt的方法最为有效，随着信噪比的提高，其均方误差曲线越来越接近克拉美?罗界；在线性调频回波的瞬时频率估计中， wvd法得到的效果最好，而cwt与stft法的估计效果比较接近；在多分量信号的瞬时频率估计中，相对于stft和wvd法， cwt法是一个更好的选择。 | | 7. | The paper discusses mainly the essential theory of time - frequency analysis method and two important tools : wigner - ville distribution , radon - wigner transform that applies to the time - frequency analysis method . and it validates that they can applies to the semic signals processing . the processing result indicates that wigner - ville distribution has well time - frequency collective feature for single component signal , it applies to single component signal processing
处理结果表明，对于单分量信号维格纳-威利分布具有良好的时-频聚集性，因此它对于单分量信号的处理具有很好的效果；而对于多分量信号由于交叉项的存在使得维格纳-威利分布不再很有效，有时甚至会由于交叉项的严重干扰使得信号项变得完全无法分辨。 |
- Similar Words：
- "分量视频电缆" Chinese translation, "分量视频信号" Chinese translation, "分量随机性检验" Chinese translation, "分量搪杆" Chinese translation, "分量条形图" Chinese translation, "分量应力" Chinese translation, "分量域" Chinese translation, "分量正确" Chinese translation, "分量质子磁力仪" Chinese translation, "分量质子旋进式磁力仪" Chinese translation
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