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- High frequency sequence of lacustrine basin in Biyang fault-depression was formed by palaeoclimatical cycle transformation which is caused by Milankovitch orbit cycle. 研究结果显示，泌阳断陷湖盆的高频层序是由地球轨道旋回所驱动的古气候周期性变迁所形成的。
- It is possible that the computer is of low grade, and the time frequency is too low, please change for a new computer. 有可能是主机档次太低,时钟频率过低,请更换主机。
- This paper proposes a new method based on time frequency analysis to detect spikes automatically. 本研究提出了一种基于时频分析的癫痫脑电棘波检测方法。
- Secondly, to the nonstationarity of diesel engine noise, this paper focuses on the extraction of time frequency feature using wavelet scalogram. 其次针对噪声信号的非平稳性，研究基于小波尺度谱噪声分量的时频特征分析。
- M. Akay, "Time Frequency and Wavelets in Biomedical Signal Processing," Endorsed by IEEE Engineering in Medicine and Biology Society, pp.211-420, 1998. 翁国正，“应用小波系数临界法于消除助听器背景噪音之技术”，国立成功大学电机工程学系硕士论文，民国九十二年。
- Taking Time Frequency Distribution (TFD) of the radar signal as an image, the method uses image processing algorithm for extracting its singular value. 该方法把雷达信号的时频分布作为一幅图像进行处理，利用图像处理算法提取其奇异值特征。
- As planetary healers, we must become aware of the galactic time frequency and learn how to use the natural harmonics of time to our advantage. 身为行星的治疗者，我们必须意识星际时间频率，学习如何使用自然和谐的时间，成为我们的优势。
- It shows that since 1999 the seismic activity mainly belongs to the tectonic event based on a seismic spectral and time frequency analysis. 火山地震的频谱分析和时频分析结果表明，自1999年以来发生的火山地震主要为构造型火山地震。
- The time frequency analysis remedies the defect that short Fourier translation (SFT) has the same time resolution and frequency resolution to different frequency ranges. 该方法克服了SFT（短时Fourier变换）分析对高、低频段具有相同的时间分辨率和频率分辨率的缺点，弥补了小波变换只能粗糙地模拟基底膜带通滤波器特性的不足。
- The Study of Hop Frequency Sequence in Bluetooth 关于Bluetooth跳频序列的研究
- Using computer simulation, the results show that fluctuating wind synthesis with time frequency nonstationarity can reflect normal characteristic of fluctuating wind. 通过计算机仿真分析，结果表明小波重构合成的脉动风具有良好的时频非平稳性，能够反映脉动风特性；
- double frequency sequence sinalling syst 双频顺序信号制
- Combined with the basic principle and method of the radar multitarget resolving,the application of time frequency analysis is discussed for nonrigid multitarget resolving. 从雷达多目标分辨的基本原理和方法出发,探讨了时频分析在雷达非刚性多目标分辨中的应用问题。
- double frequency sequence signalling system 双频顺序信令制
- double frequency sequence signaling system 双频顺序信令制
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- By means of the principle,method and technology of sequence stratigraphy,The dynamic characteristics of filling and evolution of Huangxian Eogene fault basin are studied,based on the classification of high frequency sequences. 运用层序地层学原理和方法 ,在黄县盆地进行高频层序地层划分的基础上 ,对黄县早第三纪断陷盆地充填演化的动力学特征进行研究。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨，他还是会准时来的。
