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- It detects slide face with 3 judgment methods such as time domain signal analysis,frequency dispersion curve and wave velocit. 运用面波技术对渝邻路的大湾滑坡进行了勘察,通过时域信号分析、频散曲线和波速云图3种判定方法查明了滑坡的滑动面。
- Multi-channel Independent Source Bio-impedance Measurement and Signal Analysis. 多路独立人体阻抗测量和信号分析。
- Wavelet transform is of good localization property in signal analysis. 小波变换在信号分析中具有良好的局部化特性。
- Heisenberg Uncertainty Principle in time frequency analysis plays a very important role in signal analysis, which shows the close relationship between time and frequency in Time frequency analysis . 时频分析中的Heisenberg不确定原理在信号分析中具有重要作用和地位 ;它表明了在时频分析中时间与频率之间密不可分的关系 .
- In this paper a new measureis deduced, which shows better character than Heisenberg Uncertainty Principle in limited compact distretized signal analysis and less restriction in Time frequency plane. 本文推导出一个新的测度 ,经过分析认为这个测度在对有限紧支离散信号的分析中表现出优于Heisenberg不确定原理的特性 ,并在时频平面上有较少的约束
- The method of wavelet packets decompositions originating from wavelet transform is more accurate in signal analysis, with the predominance of analyzing details information of high frequency. 摘要小波包分解是从小波变换延伸而来的一种更精细的信号分析算法,具有分析高频特征信息的优势。
- The readout principle and test method of high frequency signal of CD are introduced. 介绍了CD光盘的高频(HF)信号的读取原理和测试方法。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配选通门提高低频信号频率测量精度。
- The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed. 常用超低频信号发生器的输出只有几种固定的波形,不能更改。
- Wavelet analysis because of its good retractility has become an advantaged tool in signal analysis field. 而小波分析则突破了传统的傅立叶分析方法,利用其在时域和频域上同时具有的良好的局部性,成为信号分析的一个有利的工具。
- High quality REC of video frequency signal and big area communion of video frequency resources are the important parts of Instruction Multimedia Resources. 其中,视频信号的高质量录制、视频资源的大范围共享,是多媒体教学资源建设的重要组成部分,成为教育界所关注的重点。
- Abstract: The basic theory of wavelet analysis that applied to vibrational signal analysis is presented. 文摘:介绍用于振动信号分析的小波分析基本理论。
- The DFT phase detection method can take out frequency, phase and magnitude of the base frequency signal from a random synchronization signal. 离散傅里叶变换可以从任意信号中抽取基准频率倍频次信号的相位、频率和幅值,可以解决谐波对外同步信号的影响,从而实现周期控制锁相环对谐波的识别。
- The theory of wavelet packet transform and the method of voltage signal analysis with wavelet packet was presented. 简述了小波包变换的基本原理及利用小波包对电压信号进行分解的方法。
- Can control audio frequency signals remotely,the volume can be modulated. 可对各路音频信号进行远程操控,音量可调;
- Conclusion The system is useful in HRV signal analysis and cardiovascular research. 结论 该分析系统对心率变异的研究有重要应用价值。
- It is during these hours when the transmitter was implanted, and when, I awoke I had a searing high frequency signal at about 100 db in my skull. 在这几小时的时间里,芯片在那时被植入,并且在那我醒过来的时候,在我的头骨里,有一种大约在100分贝的灼热的高频信号。
- The modal parameters of the sub-soiling shovel were identified by signal analysis software. 用信号分析软件进行深松铲的模态参数识别。
- Operating in the heavy congested SW band, HF radars use a quasi-random step frequency signal to avoid the interference bands. 高频雷达工作在电磁环境十分恶劣的短波段,为避开干扰严重的频段,采用一种准随机跳频信号。
- The basic theory of wavelet analysis that applied to vibrational signal analysis is presented. 介绍用于振动信号分析的小波分析基本理论。