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- It detects slide face with 3 judgment methods such as time domain signal analysis,frequency dispersion curve and wave velocit. 運用面波技術(shù)對渝鄰路的大灣滑坡進(jìn)行了勘察,通過(guò)時(shí)域信號分析、頻散曲線(xiàn)和波速云圖3種判定方法查明了滑坡的滑動(dòng)面。
- Multi-channel Independent Source Bio-impedance Measurement and Signal Analysis. 多路獨立人體阻抗測量和信號分析。
- Wavelet transform is of good localization property in signal analysis. 小波變換在信號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 . 時(shí)頻分析中的Heisenberg不確定原理在信號分析中具有重要作用和地位 ;它表明了在時(shí)頻分析中時(shí)間與頻率之間密不可分的關(guān)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. 本文推導出一個(gè)新的測度 ,經(jīng)過(guò)分析認為這個(gè)測度在對有限緊支離散信號的分析中表現出優(yōu)于Heisenberg不確定原理的特性 ,并在時(shí)頻平面上有較少的約束
- 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. 摘要小波包分解是從小波變換延伸而來(lái)的一種更精細的信號分析算法，具有分析高頻特征信息的優(yōu)勢。
- The readout principle and test method of high frequency signal of CD are introduced. 介紹了CD光盤(pán)的高頻(HF)信號的讀取原理和測試方法。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配選通門(mén)提高低頻信號頻率測量精度。
- The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed. 常用超低頻信號發(fā)生器的輸出只有幾種固定的波形,不能更改。
- Wavelet analysis because of its good retractility has become an advantaged tool in signal analysis field. 而小波分析則突破了傳統的傅立葉分析方法，利用其在時(shí)域和頻域上同時(shí)具有的良好的局部性，成為信號分析的一個(gè)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,視頻信號的高質(zhì)量錄制、視頻資源的大范圍共享,是多媒體教學(xué)資源建設的重要組成部分,成為教育界所關(guān)注的重點(diǎn)。
- Abstract: The basic theory of wavelet analysis that applied to vibrational signal analysis is presented. 文摘:介紹用于振動(dòng)信號分析的小波分析基本理論。
- The DFT phase detection method can take out frequency, phase and magnitude of the base frequency signal from a random synchronization signal. 離散傅里葉變換可以從任意信號中抽取基準頻率倍頻次信號的相位、頻率和幅值,可以解決諧波對外同步信號的影響,從而實(shí)現周期控制鎖相環(huán)對諧波的識別。
- The theory of wavelet packet transform and the method of voltage signal analysis with wavelet packet was presented. 簡(jiǎn)述了小波包變換的基本原理及利用小波包對電壓信號進(jìn)行分解的方法。
- Can control audio frequency signals remotely，the volume can be modulated. 可對各路音頻信號進(jìn)行遠程操控，音量可調；
- Conclusion The system is useful in HRV signal analysis and cardiovascular research. 結論 該分析系統對心率變異的研究有重要應用價(jià)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. 在這幾小時(shí)的時(shí)間里，芯片在那時(shí)被植入，并且在那我醒過(guò)來(lái)的時(shí)候，在我的頭骨里，有一種大約在100分貝的灼熱的高頻信號。
- The modal parameters of the sub-soiling shovel were identified by signal analysis software. 用信號分析軟件進(jìn)行深松鏟的模態(tài)參數識別。
- Operating in the heavy congested SW band, HF radars use a quasi-random step frequency signal to avoid the interference bands. 高頻雷達工作在電磁環(huán)境十分惡劣的短波段,為避開(kāi)干擾嚴重的頻段,采用一種準隨機跳頻信號。
- The basic theory of wavelet analysis that applied to vibrational signal analysis is presented. 介紹用于振動(dòng)信號分析的小波分析基本理論。
