| 1. | Signal ' s decomposition and composition based on matlab
的信号分解与合成 |
| 2. | A low bit - rate video - coding scheme based on matching pursuit is built in this section
建立一个基于匹配跟踪信号分解技术的低速率视频编码器框架。 |
| 3. | After that , a new method based on the noise to generate a random number sequence is put forward
然后,提出了利用小波(包)进行信号分解的方式产生随机序列。 |
| 4. | Super resolution pitch detection based on band - partitioning spectral entropy and signal decomposition in dct domain
分带谱熵与信号分解的高精度基音检测算法 |
| 5. | The mfl signal was analyzed by using the multi - resolution analysis and wavelet packet analysis . the mfl signal of different frequency ranges was analyzed in detail
利用多分辨率分析和小波包分析将漏磁信号分解，对不同空间频率区段的漏磁信号做了深入研究。 |
| 6. | 4 . emd can decompose signal in different scale components , an effective algorithm of multiscale technique for detecting edges in sar images is proposed based on the character of emd
利用emd方法能将信号分解为不同尺度的成分，利用emd方法的这个特性，研究基于emd方法sar图像多尺度边缘提取方法。 |
| 7. | Wavelet - transform has the special ability to express the signal portion characters in time region and frequency region simultaneously . and the theories of signal decompose , character summarize and signal de - noise based on wavelet - transform have put into engineering region successfully
小波变换在时域和频域同时具有良好的表征信号局部特征的能力，基于小波理论的信号分解，特征提取，消噪等技术成熟。 |
| 8. | The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train . the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network
利用小波包分析，将摆式车体试验台上采集到的振动加速度信号分解在相互独立的频带之p内，各频带内的能量值形成一个向量，将其作为神经网络的输入特征向量， 。 |
| 9. | Therefore , research on improving the image resolution of sar and isar continuously has been a hot as well important topic . time series echo signal can be decomposed to imfs ( intrinsic mode function ) by emd ( empirical mode decomposition ) algorithm , which is distributed following frequency
经验模态分解( emd : empiricalmodedecomposition )方法能够把时间序列信号分解成有限数目的本征模态函数( imf : instrinsicmodefunction ) ,分解结果按频率高低分布。 |
| 10. | The wavelet packet analysis applied in fault diagnosis system is studied in this thesis . using simulation fault data , uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies . to picked - up the eigenvectors reflecting different fault of sodium pump with availability , simulation results have shown its satisfaction in the identification
对小波包分析应用于故障诊断进行了研究，利用仿真出来的故障数据，将快堆钠泵非平稳时变振动信号分解到不同层次和不同频带上，有效地提取出反映钠泵不同故障(状态)的特征向量，在识别中得到了满意的结果。 |
