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- Shadow Imaging for Bistatic Radar Based on Forward Scattering by Joint Time Frequency Analysis 基于时频分析的双基地前向散射雷达侧影成像
- Joint time frequency analysis 联合时频分析
- The novel hybrid MC/MC-DS CDMA structure, which exploits joint time and frequency domain spreading, is constructed in each subband. 在本文中,我们建构一种混合多载波/多载波-直序展频之分码多工系统于每一子频带中,此系统除了利用时域展频之外也用了频域展频。
- 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。
- 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。
- 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。
- The application of MATLAB is described in mechanical control engineering basis teaching using concrete examples of time analysis and frequency analysis in a contrasting way. 以时域分析和频域分析中的具体实例,通过对比的手法,说明了MATLAB在机械控制工程基础教学中的应用。
- The wavelet based wideband cross ambiguity function can be used for joint time d elay and Doppler stretch estimation. 基于小波的宽带互模糊函数可用来对宽带信号的时间延迟和多普勒伸缩进行联合估计,但它不能抑制相关高斯噪声。
- A Depth from Defocus Auto-Focusing Method Based on Frequency Analysis[J]. 引用该论文 裴锡宇;冯华君;李奇;徐之海.
- 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 .
- This paper introduces the analysis(time domain analysis,spectrum analysis,time frequency analysis,and artificial neural network analysis) method of surface EMG signal,application of surface EMG signal and its prospect are also included in the paper. 本文介绍了表面肌电的信号分析方法 (时域分析法、频域分析法、时频分析法及人工神经网络等方法 ) ,并介绍了表面肌电信号检测分析技术的应用状况和前景展望
- The conclusions are drawn that the BMA is useful to deal with the model uncertainty in frequency analysis. 贝叶斯模型综合能根据各线型的后验概率设置权重进行加权平均,以此减小线型选择的不确定性。
- A frequency analysis method is presented in this paper for measuring the flowrate of oilwater twophase liquid mixtures. 叙述了利用两相流体的混合不均匀性来测量流体流量的频率分析法。
- A method of frequency analysis is described for the simplification of a heat exchangerdynamic model. 通过频域分析,从理论上提出了一种建立管壳式换热器简化模型的方法。
- The main methods for calculating designed flood are probable maximum precipitation and hydrologic frequency analysis. 设计洪水计算方法主要是可能最大降雨和水文频率法。
- joint time delay Doppler estimation 联合时延多普勒估计
- Main published work included length frequency analysis, virtual population analysis, production models, and maximum sustainable yield of Qatari fishery. 主要研究成果包括体长分析,世代分析方法,产量模型和卡塔尔国渔业的最大持续产量。
- METHODS:Frequency analysis was performed on 472 ADR cases collected from 54 medical institutions by means of Microsoft Excel. 方法:对54所医疗机构收集到的472例ADR报告利用Microsoft Excel电子表格进行频数分析。
- This paper was focused on deriving the B nomogram of L-moments method,which was used to estimate the sampling errors in frequency analysis. 在设计洪水的抽样误差估计中,采用保证修正值系数B方法估计均方差简单易用。